draft working

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/widgets/workspace-explorer@167630 82a268e6-3cf1-43bd-a215-b396298e98cf

.classpath

@@ -28,5 +28,7 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
+	<classpathentry kind="con" path="com.gwtplugins.gwt.eclipse.core.GWT_CONTAINER/gwt-2.7.0"/>
+	<classpathentry kind="lib" path="/Users/massi/portal/liferay-portal-6.2-ce-ga6/gCube/lib/_fws/common-scope-maps-1.0.7-SNAPSHOT.jar"/>
 	<classpathentry kind="output" path="target/classes"/>
 </classpath>

pom.xml

@@ -10,7 +10,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.gcube.portlets.widgets</groupId>
 	<artifactId>workspace-explorer</artifactId>
-	<version>1.8.0-SNAPSHOT</version>
+	<version>2.0.0-SNAPSHOT</version>
 	<name>gCube Workspace Explorer</name>
 	<description>
 		gCube Workspace Explorer widget allows to navigate (gCube) Workspace
@@ -23,12 +23,12 @@
 	</scm>
 	<properties>
 		<!-- Convenience property to set the GWT version -->
-		<gwtVersion>2.6.1</gwtVersion>
+		<gwtVersion>2.7.0</gwtVersion>
 		<distroDirectory>distro</distroDirectory>
 		<!-- GWT needs at least java 1.6 -->
 		<maven.compiler.source>1.7</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
-		<additionalparam>-Xdoclint:none</additionalparam>
+		
 
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
@@ -53,7 +53,11 @@
 	</dependencyManagement>
 
 	<dependencies>
-
+<dependency>
+			<groupId>org.gcube.common</groupId>
+			<artifactId>storagehub-client-library</artifactId>
+			<version>[1.0.0-SNAPSHOT,)</version>
+		</dependency>
 		<!-- Google Web Toolkit (GWT) -->
 		<dependency>
 			<groupId>com.google.gwt</groupId>
@@ -87,22 +91,7 @@
 			<scope>provided</scope>
 		</dependency>
 
-		<!-- HOME LIBRARY -->
+		
-		<dependency>
-			<groupId>org.gcube.common</groupId>
-			<artifactId>home-library-model</artifactId>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.gcube.common</groupId>
-			<artifactId>home-library-jcr</artifactId>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.gcube.common</groupId>
-			<artifactId>home-library</artifactId>
-			<scope>provided</scope>
-		</dependency>
 
 		<dependency>
 			<groupId>org.gcube.dvos</groupId>

src/main/java/org/gcube/portlets/widgets/wsexplorer/WorkspaceExplorer.gwt.xml

@@ -16,7 +16,7 @@
 	<inherits name="com.github.gwtbootstrap.Bootstrap" />
 
 	<!-- Specify the app entry point class. -->
-<!-- 	<entry-point class='org.gcube.portlets.widgets.wsexplorer.client.WorkspaceExplorerEntryPoint'/> -->
+	<entry-point class='org.gcube.portlets.widgets.wsexplorer.client.WorkspaceExplorerEntryPoint'/>
 
 	<!-- Specify the paths for translatable code -->
 	<source path='client' />

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/Util.java

@@ -4,7 +4,7 @@
 package org.gcube.portlets.widgets.wsexplorer.client;
 
 import org.gcube.portlets.widgets.wsexplorer.client.resources.old.WorkspaceLightTreeResources;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
 
 import com.google.gwt.core.shared.GWT;
@@ -67,7 +67,7 @@ public class Util {
 	 * @param type the item type.
 	 * @return the image.
 	 */
-	public static ImageResource getImage(Item item)
+	public static ImageResource getImage(ItemDTO item)
 	{
 		if(item==null)
 			return null;

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/WorkspaceExplorerController.java

@@ -27,7 +27,7 @@ import org.gcube.portlets.widgets.wsexplorer.client.view.CreateFolderForm;
 import org.gcube.portlets.widgets.wsexplorer.client.view.Navigation;
 import org.gcube.portlets.widgets.wsexplorer.client.view.WorkspaceExplorer;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemCategory;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
 
@@ -70,7 +70,7 @@ public class WorkspaceExplorerController implements EventHandler {
 		bindEvents();
 		//As default all items are showable and selectable
 		wsExplorer = new WorkspaceExplorer(eventBus, ItemType.values(), ItemType.values());
-		wsExplorer.initTable(new ListDataProvider<Item>());
+		wsExplorer.initTable(new ListDataProvider<ItemDTO>());
 		initExplorerPanel(heightPanel);
 	}
 
@@ -86,7 +86,7 @@ public class WorkspaceExplorerController implements EventHandler {
 		bindEvents();
 		//As default all items are showable and selectable
 		wsExplorer = new WorkspaceExplorer(eventBus, filterCriteria, ItemType.values(), ItemType.values(), null, false, null);
-		wsExplorer.initTable(new ListDataProvider<Item>());
+		wsExplorer.initTable(new ListDataProvider<ItemDTO>());
 		initExplorerPanel(heightPanel);
 	}
 
@@ -105,7 +105,7 @@ public class WorkspaceExplorerController implements EventHandler {
 		bindEvents();
 		//As default all items are showable and selectable
 		wsExplorer = new WorkspaceExplorer(eventBus, filterCriteria, ItemType.values(), ItemType.values(), showProperties, false, null);
-		wsExplorer.initTable(new ListDataProvider<Item>());
+		wsExplorer.initTable(new ListDataProvider<ItemDTO>());
 		initExplorerPanel(heightPanel);
 	}
 
@@ -133,8 +133,8 @@ public class WorkspaceExplorerController implements EventHandler {
 
 				if(loadFolderEvent.getTargetItem()!=null){
 
-					if(loadFolderEvent.getTargetItem() instanceof Item){
+					if(loadFolderEvent.getTargetItem() instanceof ItemDTO){
-						Item item = (Item) loadFolderEvent.getTargetItem();
+						ItemDTO item = (ItemDTO) loadFolderEvent.getTargetItem();
 
 						if(item.isFolder()){
 							try {
@@ -168,7 +168,7 @@ public class WorkspaceExplorerController implements EventHandler {
 
 			@Override
 			public void onBreadcrumbClick(BreadcrumbClickEvent breadcrumbClickEvent) {
-				eventBus.fireEvent(new LoadFolderEvent<Item>(breadcrumbClickEvent.getTargetItem()));
+				eventBus.fireEvent(new LoadFolderEvent<ItemDTO>(breadcrumbClickEvent.getTargetItem()));
 			}
 		});
 
@@ -178,7 +178,7 @@ public class WorkspaceExplorerController implements EventHandler {
 			public void onLoadRoot(LoadRootEvent loadRootEvent) {
 				wsExplorer.loadRoot();
 
-				WorkspaceExplorerConstants.workspaceNavigatorService.getItemByCategory(ItemCategory.HOME, new AsyncCallback<Item>() {
+				WorkspaceExplorerConstants.workspaceNavigatorService.getItemByCategory(ItemCategory.HOME, new AsyncCallback<ItemDTO>() {
 
 					@Override
 					public void onFailure(Throwable caught) {
@@ -188,7 +188,7 @@ public class WorkspaceExplorerController implements EventHandler {
 					}
 
 					@Override
-					public void onSuccess(Item result) {
+					public void onSuccess(ItemDTO result) {
 						result.setName(WorkspaceExplorerConstants.HOME_LABEL); //FORCE SET NAME LIKE "HOME_LABEL"
 						breadcrumbs.init(result);
 						navigation.setVisibleNewFolderFacility(true);
@@ -212,8 +212,8 @@ public class WorkspaceExplorerController implements EventHandler {
 			public <T> void onClick(final ClickItemEvent<T> clickItemEvent) {
 
 				if(clickItemEvent.getItem()!=null){
-					if (clickItemEvent.getItem() instanceof Item) {
+					if (clickItemEvent.getItem() instanceof ItemDTO) {
-						Item item = (Item) clickItemEvent.getItem();
+						ItemDTO item = (ItemDTO) clickItemEvent.getItem();
 						updateMoreInfo(item);
 					}
 				}
@@ -226,7 +226,7 @@ public class WorkspaceExplorerController implements EventHandler {
 			public void onLoadMySpecialFolder(LoadMySpecialFolderEvent loadMySpecialFolderEvent) {
 				wsExplorer.loadMySpecialFolder();
 
-				WorkspaceExplorerConstants.workspaceNavigatorService.getItemByCategory(ItemCategory.VRE_FOLDER, new AsyncCallback<Item>() {
+				WorkspaceExplorerConstants.workspaceNavigatorService.getItemByCategory(ItemCategory.VRE_FOLDER, new AsyncCallback<ItemDTO>() {
 
 					@Override
 					public void onFailure(Throwable caught) {
@@ -235,7 +235,7 @@ public class WorkspaceExplorerController implements EventHandler {
 					}
 
 					@Override
-					public void onSuccess(Item result) {
+					public void onSuccess(ItemDTO result) {
 						breadcrumbs.init(result);
 						navigation.setVisibleNewFolderFacility(false);
 						clearMoreInfo();
@@ -256,7 +256,7 @@ public class WorkspaceExplorerController implements EventHandler {
 
 						showMessage(AlertType.INFO, "Creating folder \""+folderName+"\"");
 
-						WorkspaceExplorerConstants.workspaceNavigatorService.createFolder(folderName, "", breadcrumbs.getLastParent().getId(), new AsyncCallback<Item>() {
+						WorkspaceExplorerConstants.workspaceNavigatorService.createFolder(folderName, "", breadcrumbs.getLastParent().getId(), new AsyncCallback<ItemDTO>() {
 
 							@Override
 							public void onFailure(Throwable caught) {
@@ -267,7 +267,7 @@ public class WorkspaceExplorerController implements EventHandler {
 							}
 
 							@Override
-							public void onSuccess(Item result) {
+							public void onSuccess(ItemDTO result) {
 								hideMessage();
 								if(result!=null){
 									wsExplorer.addItemToExplorer(result);
@@ -300,7 +300,7 @@ public class WorkspaceExplorerController implements EventHandler {
 
 		GWT.log("Reload Parent Breadcrumb: [Item id: "+itemIdentifier+"]");
 
-		WorkspaceExplorerConstants.workspaceNavigatorService.getBreadcrumbsByItemIdentifier(itemIdentifier, includeItemAsParent, new AsyncCallback<List<Item>>() {
+		WorkspaceExplorerConstants.workspaceNavigatorService.getBreadcrumbsByItemIdentifier(itemIdentifier, includeItemAsParent, new AsyncCallback<List<ItemDTO>>() {
 
 			@Override
 			public void onFailure(Throwable caught) {
@@ -309,7 +309,7 @@ public class WorkspaceExplorerController implements EventHandler {
 			}
 
 			@Override
-			public void onSuccess(List<Item> result) {
+			public void onSuccess(List<ItemDTO> result) {
 				if(result!=null){
 					breadcrumbs.setPath(result);
 					clearMoreInfo();
@@ -330,7 +330,7 @@ public class WorkspaceExplorerController implements EventHandler {
 	 *
 	 * @param item the item
 	 */
-	private void updateMoreInfo(Item item){
+	private void updateMoreInfo(ItemDTO item){
 
 		if(item!=null){
 			workspaceExplorerPanel.getSouthPanel().clear();
@@ -469,7 +469,7 @@ public class WorkspaceExplorerController implements EventHandler {
 	 * @param item the item
 	 * @return true, if successful
 	 */
-	public boolean itemIsSelectable(Item item){
+	public boolean itemIsSelectable(ItemDTO item){
 		GWT.log("Selectable type: "+wsExplorer.getSelectableTypes());
 		GWT.log("item: "+item);
 		if (item!=null){

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/WorkspaceExplorerEntryPoint.java

@@ -1,53 +1,53 @@
-//package org.gcube.portlets.widgets.wsexplorer.client;
+package org.gcube.portlets.widgets.wsexplorer.client;
-//
+
-//import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
+import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
-//import org.gcube.portlets.widgets.wsexplorer.client.select.WorkspaceExplorerSelectDialog;
+import org.gcube.portlets.widgets.wsexplorer.client.select.WorkspaceExplorerSelectDialog;
-//import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
-//
+
-//import com.google.gwt.core.client.EntryPoint;
+import com.google.gwt.core.client.EntryPoint;
-//import com.google.gwt.core.shared.GWT;
+import com.google.gwt.core.shared.GWT;
-//
+
-//
+
-///**
+/**
-// * Entry point classes define <code>onModuleLoad()</code>.
+ * Entry point classes define <code>onModuleLoad()</code>.
-// */
+ */
-//public class WorkspaceExplorerEntryPoint implements EntryPoint {
+public class WorkspaceExplorerEntryPoint implements EntryPoint {
-//
+
-//	/**
+	/**
-//	 * This is the entry point method.
+	 * This is the entry point method.
-//	 */
+	 */
-//	public void onModuleLoad() {
+	public void onModuleLoad() {
-//
+
-//		final WorkspaceExplorerSelectDialog navigator = new WorkspaceExplorerSelectDialog("WorkpspaceExplorer", false);
+		final WorkspaceExplorerSelectDialog navigator = new WorkspaceExplorerSelectDialog("WorkpspaceExplorer", false);
-//
+
-//		WorskpaceExplorerSelectNotificationListener  listener = new WorskpaceExplorerSelectNotificationListener() {
+		WorskpaceExplorerSelectNotificationListener  listener = new WorskpaceExplorerSelectNotificationListener() {
-//
+
-//			@Override
+			@Override
-//			public void onSelectedItem(Item item) {
+			public void onSelectedItem(ItemDTO item) {
-//				GWT.log("onSelectedItem: "+item);
+				GWT.log("onSelectedItem: "+item);
-//				navigator.hide();
+				navigator.hide();
-//			}
+			}
-//
+
-//			@Override
+			@Override
-//			public void onFailed(Throwable throwable) {
+			public void onFailed(Throwable throwable) {
-//				GWT.log("onFailed..");
+				GWT.log("onFailed..");
-//
+
-//			}
+			}
-//
+
-//			@Override
+			@Override
-//			public void onAborted() {
+			public void onAborted() {
-//				GWT.log("onAborted..");
+				GWT.log("onAborted..");
-//
+
-//			}
+			}
-//
+
-//			@Override
+			@Override
-//			public void onNotValidSelection() {
+			public void onNotValidSelection() {
-//				GWT.log("onNotValidSelection..");
+				GWT.log("onNotValidSelection..");
-//
+
-//			}
+			}
-//		};
+		};
-//
+
-//		navigator.addWorkspaceExplorerSelectNotificationListener(listener);
+		navigator.addWorkspaceExplorerSelectNotificationListener(listener);
-//		navigator.show();
+		navigator.show();
-//	}
+	}
-//}
+}

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/event/BreadcrumbClickEvent.java

@@ -1,6 +1,6 @@
 package org.gcube.portlets.widgets.wsexplorer.client.event;
 
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 
 import com.google.gwt.event.shared.GwtEvent;
 
@@ -13,7 +13,7 @@ import com.google.gwt.event.shared.GwtEvent;
  */
 public class BreadcrumbClickEvent extends GwtEvent<BreadcrumbClickEventHandler> {
 	public static Type<BreadcrumbClickEventHandler> TYPE = new Type<BreadcrumbClickEventHandler>();
-	private Item targetItem;
+	private ItemDTO targetItem;
 
 	
 	/**
@@ -21,7 +21,7 @@ public class BreadcrumbClickEvent extends GwtEvent<BreadcrumbClickEventHandler>
 	 *
 	 * @param target the target
 	 */
-	public BreadcrumbClickEvent(Item target) {
+	public BreadcrumbClickEvent(ItemDTO target) {
 		this.targetItem = target;
 	}
 
@@ -46,7 +46,7 @@ public class BreadcrumbClickEvent extends GwtEvent<BreadcrumbClickEventHandler>
 	 *
 	 * @return the targetItem
 	 */
-	public Item getTargetItem() {
+	public ItemDTO getTargetItem() {
 		return targetItem;
 	}
 
@@ -55,7 +55,7 @@ public class BreadcrumbClickEvent extends GwtEvent<BreadcrumbClickEventHandler>
 	 *
 	 * @param targetItem the targetItem to set
 	 */
-	public void setTargetItem(Item targetItem) {
+	public void setTargetItem(ItemDTO targetItem) {
 		this.targetItem = targetItem;
 	}
 }

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/event/BreadcrumbInitEvent.java

@@ -1,6 +1,6 @@
 package org.gcube.portlets.widgets.wsexplorer.client.event;
 
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 
 import com.google.gwt.event.shared.GwtEvent;
 
@@ -13,7 +13,7 @@ import com.google.gwt.event.shared.GwtEvent;
  */
 public class BreadcrumbInitEvent extends GwtEvent<BreadcrumbInitEventHandler> {
 	public static Type<BreadcrumbInitEventHandler> TYPE = new Type<BreadcrumbInitEventHandler>();
-	private Item targetItem;
+	private ItemDTO targetItem;
 
 
 	/**
@@ -21,7 +21,7 @@ public class BreadcrumbInitEvent extends GwtEvent<BreadcrumbInitEventHandler> {
 	 *
 	 * @param target the target
 	 */
-	public BreadcrumbInitEvent(Item target) {
+	public BreadcrumbInitEvent(ItemDTO target) {
 		this.targetItem = target;
 	}
 
@@ -46,7 +46,7 @@ public class BreadcrumbInitEvent extends GwtEvent<BreadcrumbInitEventHandler> {
 	 *
 	 * @return the targetItem
 	 */
-	public Item getTargetItem() {
+	public ItemDTO getTargetItem() {
 		return targetItem;
 	}
 
@@ -55,7 +55,7 @@ public class BreadcrumbInitEvent extends GwtEvent<BreadcrumbInitEventHandler> {
 	 *
 	 * @param targetItem the targetItem to set
 	 */
-	public void setTargetItem(Item targetItem) {
+	public void setTargetItem(ItemDTO targetItem) {
 		this.targetItem = targetItem;
 	}
 }

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/event/RootLoadedEvent.java

@@ -1,6 +1,6 @@
 package org.gcube.portlets.widgets.wsexplorer.client.event;
 
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 
 import com.google.gwt.event.shared.GwtEvent;
 
@@ -13,9 +13,9 @@ import com.google.gwt.event.shared.GwtEvent;
 public class RootLoadedEvent extends GwtEvent<RootLoadedEventHandler> {
 	
 	public static Type<RootLoadedEventHandler> TYPE = new Type<RootLoadedEventHandler>();
-	private Item root;
+	private ItemDTO root;
 
-	public RootLoadedEvent(Item root) {
+	public RootLoadedEvent(ItemDTO root) {
 		this.root  = root;
 	}
 
@@ -38,7 +38,7 @@ public class RootLoadedEvent extends GwtEvent<RootLoadedEventHandler> {
 	/**
 	 * @return the root
 	 */
-	public Item getRoot() {
+	public ItemDTO getRoot() {
 		return root;
 	}
 	

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/explore/WorkspaceResourcesBExplorerPanel.java

@@ -20,7 +20,7 @@ import org.gcube.portlets.widgets.wsexplorer.client.view.Breadcrumbs;
 import org.gcube.portlets.widgets.wsexplorer.client.view.WorkspaceExplorer;
 import org.gcube.portlets.widgets.wsexplorer.client.view.grid.ItemsTable.DISPLAY_FIELD;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
 
 import com.github.gwtbootstrap.client.ui.constants.AlertType;
@@ -241,8 +241,8 @@ public class WorkspaceResourcesBExplorerPanel extends DockPanel implements HasWo
 		setParameters(folderId, folderName, showProperties, filter);
 		bindEvents();
 		wsExplorer = new WorkspaceExplorer(eventBus, filter, showableTypes, selectableTypes, showProperties, showGcubeInfo, sortByColumn, new DISPLAY_FIELD[]{DISPLAY_FIELD.ICON, DISPLAY_FIELD.NAME,DISPLAY_FIELD.CREATION_DATE});
-		wsExplorer.initTable(new ListDataProvider<Item>());
+		wsExplorer.initTable(new ListDataProvider<ItemDTO>());
-		Item item = new Item(folderId, folderName, true);
+		ItemDTO item = new ItemDTO(folderId, folderName, true);
 		wsExplorer.loadFolder(item, true, -1, -1, false);
 		initPanel("");
 	}
@@ -274,7 +274,7 @@ public class WorkspaceResourcesBExplorerPanel extends DockPanel implements HasWo
 			@Override
 			public <T> void onClick(final ClickItemEvent<T> clickItemEvent) {
 				isSelect = false;
-				Item item = wsExplorer.getItemSelected();
+				ItemDTO item = wsExplorer.getItemSelected();
 
 				//Return if item is not selectable
 				if(!itemIsSelectable(item)){
@@ -294,8 +294,8 @@ public class WorkspaceResourcesBExplorerPanel extends DockPanel implements HasWo
 
 				if(loadFolderEvent.getTargetItem()!=null){
 
-					if(loadFolderEvent.getTargetItem() instanceof Item){
+					if(loadFolderEvent.getTargetItem() instanceof ItemDTO){
-						Item item = (Item) loadFolderEvent.getTargetItem();
+						ItemDTO item = (ItemDTO) loadFolderEvent.getTargetItem();
 						if(item.isFolder()){
 							try {
 								wsExplorer.loadFolder(item, true, ITEM_START_INDEX, ITEMS_PER_PAGE, true);
@@ -315,7 +315,7 @@ public class WorkspaceResourcesBExplorerPanel extends DockPanel implements HasWo
 
 			@Override
 			public void onBreadcrumbClick(BreadcrumbClickEvent breadcrumbClickEvent) {
-				eventBus.fireEvent(new LoadFolderEvent<Item>(breadcrumbClickEvent.getTargetItem()));
+				eventBus.fireEvent(new LoadFolderEvent<ItemDTO>(breadcrumbClickEvent.getTargetItem()));
 			}
 		});
 	}
@@ -331,7 +331,7 @@ public class WorkspaceResourcesBExplorerPanel extends DockPanel implements HasWo
 
 		GWT.log("Reload Parent Breadcrumb: [Item id: "+itemIdentifier+"]");
 
-		WorkspaceExplorerConstants.workspaceNavigatorService.getBreadcrumbsByItemIdentifierToParentLimit(itemIdentifier, folderId, includeItemAsParent,  new AsyncCallback<List<Item>>() {
+		WorkspaceExplorerConstants.workspaceNavigatorService.getBreadcrumbsByItemIdentifierToParentLimit(itemIdentifier, folderId, includeItemAsParent,  new AsyncCallback<List<ItemDTO>>() {
 
 			@Override
 			public void onFailure(Throwable caught) {
@@ -340,7 +340,7 @@ public class WorkspaceResourcesBExplorerPanel extends DockPanel implements HasWo
 			}
 
 			@Override
-			public void onSuccess(List<Item> result) {
+			public void onSuccess(List<ItemDTO> result) {
 				if(result!=null){
 					notifyOnBreadcrumbChanged(result.get(result.size()-1));
 					breadcrumbs.setPath(result);
@@ -355,8 +355,8 @@ public class WorkspaceResourcesBExplorerPanel extends DockPanel implements HasWo
 	 * Refresh root folder view.
 	 */
 	public void refreshRootFolderView(){
-		Item item = new Item(folderId, folderName, true);
+		ItemDTO item = new ItemDTO(folderId, folderName, true);
-		eventBus.fireEvent(new LoadFolderEvent<Item>(item));
+		eventBus.fireEvent(new LoadFolderEvent<ItemDTO>(item));
 	}
 
 	/**
@@ -395,7 +395,7 @@ public class WorkspaceResourcesBExplorerPanel extends DockPanel implements HasWo
 	 *
 	 * @param selected the selected
 	 */
-	protected void notifySelectedItem(Item selected){
+	protected void notifySelectedItem(ItemDTO selected){
 
 		for (WorskpaceExplorerSelectBNotificationListener worskpaceExplorerNotificationListener : listeners) {
 			worskpaceExplorerNotificationListener.onSelectedItem(selected);
@@ -408,7 +408,7 @@ public class WorkspaceResourcesBExplorerPanel extends DockPanel implements HasWo
 	 *
 	 * @param selected the selected
 	 */
-	protected void notifyOnBreadcrumbChanged(Item selected){
+	protected void notifyOnBreadcrumbChanged(ItemDTO selected){
 
 		for (WorskpaceExplorerSelectBNotificationListener worskpaceExplorerNotificationListener : listeners) {
 			worskpaceExplorerNotificationListener.onBreadcrumbChanged(selected);
@@ -495,7 +495,7 @@ public class WorkspaceResourcesBExplorerPanel extends DockPanel implements HasWo
 	 * @param item the item
 	 * @return true, if successful
 	 */
-	public boolean itemIsSelectable(Item item){
+	public boolean itemIsSelectable(ItemDTO item){
 		//GWT.log("Selectable type: "+wsExplorer.getSelectableTypes());
 		//GWT.log("item: "+item);
 		if (item!=null){

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/explore/WorkspaceResourcesExplorerPanel.java

@@ -20,7 +20,7 @@ import org.gcube.portlets.widgets.wsexplorer.client.view.Breadcrumbs;
 import org.gcube.portlets.widgets.wsexplorer.client.view.WorkspaceExplorer;
 import org.gcube.portlets.widgets.wsexplorer.client.view.grid.ItemsTable.DISPLAY_FIELD;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
 
 import com.github.gwtbootstrap.client.ui.constants.AlertType;
@@ -212,8 +212,8 @@ public class WorkspaceResourcesExplorerPanel extends DockPanel implements HasWor
 		setParameters(folderId, folderName, showProperties, filter);
 		bindEvents();
 		wsExplorer = new WorkspaceExplorer(eventBus, filter, showableTypes, selectableTypes, showProperties, showGcubeInfo, sortByColumn, new DISPLAY_FIELD[]{DISPLAY_FIELD.ICON, DISPLAY_FIELD.NAME,DISPLAY_FIELD.CREATION_DATE});
-		wsExplorer.initTable(new ListDataProvider<Item>());
+		wsExplorer.initTable(new ListDataProvider<ItemDTO>());
-		Item item = new Item(folderId, folderName, true);
+		ItemDTO item = new ItemDTO(folderId, folderName, true);
 		wsExplorer.loadFolder(item, true, -1, -1, false);
 		initPanel("");
 	}
@@ -245,7 +245,7 @@ public class WorkspaceResourcesExplorerPanel extends DockPanel implements HasWor
 			@Override
 			public <T> void onClick(final ClickItemEvent<T> clickItemEvent) {
 				isSelect = false;
-				Item item = wsExplorer.getItemSelected();
+				ItemDTO item = wsExplorer.getItemSelected();
 
 				//Return if item is not selectable
 				if(!itemIsSelectable(item)){
@@ -265,8 +265,8 @@ public class WorkspaceResourcesExplorerPanel extends DockPanel implements HasWor
 
 				if(loadFolderEvent.getTargetItem()!=null){
 
-					if(loadFolderEvent.getTargetItem() instanceof Item){
+					if(loadFolderEvent.getTargetItem() instanceof ItemDTO){
-						Item item = (Item) loadFolderEvent.getTargetItem();
+						ItemDTO item = (ItemDTO) loadFolderEvent.getTargetItem();
 						if(item.isFolder()){
 							try {
 								wsExplorer.loadFolder(item, true, ITEM_START_INDEX, ITEMS_PER_PAGE, true);
@@ -286,7 +286,7 @@ public class WorkspaceResourcesExplorerPanel extends DockPanel implements HasWor
 
 			@Override
 			public void onBreadcrumbClick(BreadcrumbClickEvent breadcrumbClickEvent) {
-				eventBus.fireEvent(new LoadFolderEvent<Item>(breadcrumbClickEvent.getTargetItem()));
+				eventBus.fireEvent(new LoadFolderEvent<ItemDTO>(breadcrumbClickEvent.getTargetItem()));
 			}
 		});
 	}
@@ -302,7 +302,7 @@ public class WorkspaceResourcesExplorerPanel extends DockPanel implements HasWor
 
 		GWT.log("Reload Parent Breadcrumb: [Item id: "+itemIdentifier+"]");
 
-		WorkspaceExplorerConstants.workspaceNavigatorService.getBreadcrumbsByItemIdentifierToParentLimit(itemIdentifier, folderId, includeItemAsParent,  new AsyncCallback<List<Item>>() {
+		WorkspaceExplorerConstants.workspaceNavigatorService.getBreadcrumbsByItemIdentifierToParentLimit(itemIdentifier, folderId, includeItemAsParent,  new AsyncCallback<List<ItemDTO>>() {
 
 			@Override
 			public void onFailure(Throwable caught) {
@@ -311,7 +311,7 @@ public class WorkspaceResourcesExplorerPanel extends DockPanel implements HasWor
 			}
 
 			@Override
-			public void onSuccess(List<Item> result) {
+			public void onSuccess(List<ItemDTO> result) {
 				if(result!=null){
 					breadcrumbs.setPath(result);
 					clearMoreInfo();
@@ -325,8 +325,8 @@ public class WorkspaceResourcesExplorerPanel extends DockPanel implements HasWor
 	 * Refresh root folder view.
 	 */
 	public void refreshRootFolderView(){
-		Item item = new Item(folderId, folderName, true);
+		ItemDTO item = new ItemDTO(folderId, folderName, true);
-		eventBus.fireEvent(new LoadFolderEvent<Item>(item));
+		eventBus.fireEvent(new LoadFolderEvent<ItemDTO>(item));
 	}
 
 	/**
@@ -365,7 +365,7 @@ public class WorkspaceResourcesExplorerPanel extends DockPanel implements HasWor
 	 *
 	 * @param selected the selected
 	 */
-	protected void notifySelectedItem(Item selected){
+	protected void notifySelectedItem(ItemDTO selected){
 
 		for (WorskpaceExplorerSelectNotificationListener worskpaceExplorerNotificationListener : listeners) {
 			worskpaceExplorerNotificationListener.onSelectedItem(selected);
@@ -451,7 +451,7 @@ public class WorkspaceResourcesExplorerPanel extends DockPanel implements HasWor
 	 * @param item the item
 	 * @return true, if successful
 	 */
-	public boolean itemIsSelectable(Item item){
+	public boolean itemIsSelectable(ItemDTO item){
 		//GWT.log("Selectable type: "+wsExplorer.getSelectableTypes());
 		//GWT.log("item: "+item);
 		if (item!=null){

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/explore/WorkspaceResourcesExplorerPanelPaginated.java

@@ -15,7 +15,7 @@ import org.gcube.portlets.widgets.wsexplorer.client.event.LoadFolderEventHandler
 import org.gcube.portlets.widgets.wsexplorer.client.view.WorkspaceExplorerPaginated;
 import org.gcube.portlets.widgets.wsexplorer.client.view.grid.ItemsTable.DISPLAY_FIELD;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
 
 import com.google.gwt.core.shared.GWT;
@@ -125,7 +125,7 @@ public class WorkspaceResourcesExplorerPanelPaginated extends WorkspaceResources
 		wsExplorerPaginated = new WorkspaceExplorerPaginated(eventBus, filter, showableTypes, selectableTypes, showProperties, showGcubeInfo, sortByColumn, new DISPLAY_FIELD[]{DISPLAY_FIELD.ICON, DISPLAY_FIELD.NAME, DISPLAY_FIELD.CREATION_DATE});
 		wsExplorerPaginated.initPagination(ITEMS_PER_PAGE);
 		//wsExplorer.initTable(dataProvider);
-		Item item = new Item(folderId, folderName, true);
+		ItemDTO item = new ItemDTO(folderId, folderName, true);
 		wsExplorerPaginated.loadFolder(item, true, ITEM_START_INDEX, ITEMS_PER_PAGE, true);
 		initPanel("");
 		super.wsExplorer = wsExplorerPaginated;
@@ -159,7 +159,7 @@ public class WorkspaceResourcesExplorerPanelPaginated extends WorkspaceResources
 			@Override
 			public <T> void onClick(final ClickItemEvent<T> clickItemEvent) {
 				isSelect = false;
-				Item item = wsExplorerPaginated.getItemSelected();
+				ItemDTO item = wsExplorerPaginated.getItemSelected();
 				//Return if item is not selectable
 				if(!itemIsSelectable(item)){
 					notifyNotValidSelection();
@@ -178,8 +178,8 @@ public class WorkspaceResourcesExplorerPanelPaginated extends WorkspaceResources
 
 				if(loadFolderEvent.getTargetItem()!=null){
 
-					if(loadFolderEvent.getTargetItem() instanceof Item){
+					if(loadFolderEvent.getTargetItem() instanceof ItemDTO){
-						Item item = (Item) loadFolderEvent.getTargetItem();
+						ItemDTO item = (ItemDTO) loadFolderEvent.getTargetItem();
 						if(item.isFolder()){
 							try {
 								wsExplorerPaginated.loadFolder(item, true, ITEM_START_INDEX, ITEMS_PER_PAGE, true);
@@ -199,7 +199,7 @@ public class WorkspaceResourcesExplorerPanelPaginated extends WorkspaceResources
 
 			@Override
 			public void onBreadcrumbClick(BreadcrumbClickEvent breadcrumbClickEvent) {
-				eventBus.fireEvent(new LoadFolderEvent<Item>(breadcrumbClickEvent.getTargetItem()));
+				eventBus.fireEvent(new LoadFolderEvent<ItemDTO>(breadcrumbClickEvent.getTargetItem()));
 			}
 		});
 	}

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/notification/WorkspaceExplorerSaveNotification.java

@@ -3,7 +3,7 @@
  */
 package org.gcube.portlets.widgets.wsexplorer.client.notification;
 
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 
 
 /**
@@ -33,7 +33,7 @@ public class WorkspaceExplorerSaveNotification {
 		 * @param parent the parent
 		 * @param fileName the file name
 		 */
-		void onSaving(Item parent,String fileName);
+		void onSaving(ItemDTO parent,String fileName);
 
 		/**
 		 * On aborted.

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/notification/WorkspaceExplorerSelectBNotification.java

@@ -3,7 +3,7 @@
  */
 package org.gcube.portlets.widgets.wsexplorer.client.notification;
 
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 
 
 /**
@@ -34,7 +34,7 @@ public class WorkspaceExplorerSelectBNotification {
 		 *
 		 * @param item the item
 		 */
-		void onSelectedItem(Item item);
+		void onSelectedItem(ItemDTO item);
 
 		
 		/**
@@ -62,7 +62,7 @@ public class WorkspaceExplorerSelectBNotification {
 		 *
 		 * @param item the item
 		 */
-		void onBreadcrumbChanged(Item item);
+		void onBreadcrumbChanged(ItemDTO item);
 	}
 
 

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/notification/WorkspaceExplorerSelectNotification.java

@@ -3,7 +3,7 @@
  */
 package org.gcube.portlets.widgets.wsexplorer.client.notification;
 
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 
 
 /**
@@ -34,7 +34,7 @@ public class WorkspaceExplorerSelectNotification {
 		 *
 		 * @param item the item
 		 */
-		void onSelectedItem(Item item);
+		void onSelectedItem(ItemDTO item);
 
 		
 		/**

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/rpc/WorkspaceExplorerService.java

@@ -5,7 +5,7 @@ import java.util.List;
 import java.util.Map;
 
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemCategory;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemInterface;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
@@ -34,7 +34,7 @@ public interface WorkspaceExplorerService extends RemoteService {
 	 * @throws Exception
 	 *             the exception
 	 */
-	List<Item> getBreadcrumbsByItemIdentifier(
+	List<ItemDTO> getBreadcrumbsByItemIdentifier(
 		String itemIdentifier, boolean includeItemAsParent)
 		throws Exception;
 
@@ -61,7 +61,7 @@ public interface WorkspaceExplorerService extends RemoteService {
 	 * @return the folder
 	 * @throws WorkspaceNavigatorServiceException             the workspace navigator service exception
 	 */
-	Item getFolder(
+	ItemDTO getFolder(
 		ItemInterface item, List<ItemType> showableTypes,
 		boolean purgeEmpyFolders, FilterCriteria filterCriteria,
 		boolean loadGcubeProperties)
@@ -80,7 +80,7 @@ public interface WorkspaceExplorerService extends RemoteService {
 	 * @throws WorkspaceNavigatorServiceException
 	 *             the workspace navigator service exception
 	 */
-	Item getRoot(
+	ItemDTO getRoot(
 		List<ItemType> showableTypes, boolean purgeEmpyFolders,
 		FilterCriteria filterCriteria)
 		throws WorkspaceNavigatorServiceException;
@@ -98,7 +98,7 @@ public interface WorkspaceExplorerService extends RemoteService {
 	 * @throws WorkspaceNavigatorServiceException
 	 *             the workspace navigator service exception
 	 */
-	Item getMySpecialFolder(
+	ItemDTO getMySpecialFolder(
 		List<ItemType> showableTypes, boolean purgeEmpyFolders,
 		FilterCriteria filterCriteria)
 		throws WorkspaceNavigatorServiceException;
@@ -112,7 +112,7 @@ public interface WorkspaceExplorerService extends RemoteService {
 	 * @throws WorkspaceNavigatorServiceException
 	 *             the workspace navigator service exception
 	 */
-	Item getItemByCategory(ItemCategory category)
+	ItemDTO getItemByCategory(ItemCategory category)
 		throws WorkspaceNavigatorServiceException;
 
 	/**
@@ -172,7 +172,7 @@ public interface WorkspaceExplorerService extends RemoteService {
 	 * @return the breadcrumbs by item identifier to parent limit
 	 * @throws Exception the exception
 	 */
-	List<Item> getBreadcrumbsByItemIdentifierToParentLimit(
+	List<ItemDTO> getBreadcrumbsByItemIdentifierToParentLimit(
 		String itemIdentifier, String parentLimit, boolean includeItemAsParent)
 		throws Exception;
 
@@ -185,7 +185,7 @@ public interface WorkspaceExplorerService extends RemoteService {
 	 * @return the item
 	 * @throws Exception the exception
 	 */
-	Item createFolder(String nameFolder, String description, String parentId)
+	ItemDTO createFolder(String nameFolder, String description, String parentId)
 		throws Exception;
 
 
@@ -215,7 +215,7 @@ public interface WorkspaceExplorerService extends RemoteService {
 	 * @throws WorkspaceNavigatorServiceException the workspace navigator service exception
 	 */
 	SearchedFolder getFolder(
-		Item item, List<ItemType> showableTypesParam, boolean purgeEmpyFolders,
+		ItemDTO item, List<ItemType> showableTypesParam, boolean purgeEmpyFolders,
 		FilterCriteria filterCriteria, boolean loadGcubeProperties,
 		int startIndex, int limit, int serverStartIndex) throws WorkspaceNavigatorServiceException;
 
@@ -226,6 +226,6 @@ public interface WorkspaceExplorerService extends RemoteService {
 	 * @return the folder children count
 	 * @throws WorkspaceNavigatorServiceException the workspace navigator service exception
 	 */
-	int getFolderChildrenCount(Item item) throws WorkspaceNavigatorServiceException;
+	int getFolderChildrenCount(ItemDTO item) throws WorkspaceNavigatorServiceException;
 
 }

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/rpc/WorkspaceExplorerServiceAsync.java

@@ -8,7 +8,7 @@ import java.util.List;
 import java.util.Map;
 
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemCategory;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemInterface;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
@@ -38,7 +38,7 @@ public interface WorkspaceExplorerServiceAsync {
 	 */
 	public void getRoot(
 		List<ItemType> showableTypes, boolean purgeEmpyFolders,
-		FilterCriteria filterCriteria, AsyncCallback<Item> callback);
+		FilterCriteria filterCriteria, AsyncCallback<ItemDTO> callback);
 
 	/**
 	 * Check name.
@@ -64,7 +64,7 @@ public interface WorkspaceExplorerServiceAsync {
 	void getFolder(
 		ItemInterface item, List<ItemType> showableTypes,
 		boolean purgeEmpyFolders, FilterCriteria filterCriteria,
-		boolean loadGcubeProperties, AsyncCallback<Item> callback);
+		boolean loadGcubeProperties, AsyncCallback<ItemDTO> callback);
 
 	/**
 	 * Gets the breadcrumbs by item identifier.
@@ -79,7 +79,7 @@ public interface WorkspaceExplorerServiceAsync {
 	 */
 	public void getBreadcrumbsByItemIdentifier(
 		String itemIdentifier, boolean includeItemAsParent,
-		AsyncCallback<List<Item>> asyncCallback);
+		AsyncCallback<List<ItemDTO>> asyncCallback);
 
 	/**
 	 * Gets the my special folder.
@@ -96,7 +96,7 @@ public interface WorkspaceExplorerServiceAsync {
 	 */
 	public void getMySpecialFolder(
 		List<ItemType> showableTypes, boolean purgeEmpyFolders,
-		FilterCriteria filterCriteria, AsyncCallback<Item> asyncCallback);
+		FilterCriteria filterCriteria, AsyncCallback<ItemDTO> asyncCallback);
 
 	/**
 	 * Gets the item by category.
@@ -108,7 +108,7 @@ public interface WorkspaceExplorerServiceAsync {
 	 * @return the item by category
 	 */
 	public void getItemByCategory(
-		ItemCategory category, AsyncCallback<Item> asyncCallback);
+		ItemCategory category, AsyncCallback<ItemDTO> asyncCallback);
 
 	/**
 	 * Gets the size by item id.
@@ -171,7 +171,7 @@ public interface WorkspaceExplorerServiceAsync {
 	 */
 	void getBreadcrumbsByItemIdentifierToParentLimit(
 		String itemIdentifier, String parentLimit, boolean includeItemAsParent,
-		AsyncCallback<List<Item>> callback);
+		AsyncCallback<List<ItemDTO>> callback);
 
 	/**
 	 * Creates the folder.
@@ -187,7 +187,7 @@ public interface WorkspaceExplorerServiceAsync {
 	 */
 	void createFolder(
 		String nameFolder, String description, String parentId,
-		AsyncCallback<Item> callback);
+		AsyncCallback<ItemDTO> callback);
 
 
 	/**
@@ -216,7 +216,7 @@ public interface WorkspaceExplorerServiceAsync {
 	 * @return the folder
 	 */
 	void getFolder(
-		Item item, List<ItemType> showableTypesParam, boolean purgeEmpyFolders,
+		ItemDTO item, List<ItemType> showableTypesParam, boolean purgeEmpyFolders,
 		FilterCriteria filterCriteria, boolean loadGcubeProperties,
 		int startIndex, int limit, int serverStartIndex, AsyncCallback<SearchedFolder> asyncCallback);
 
@@ -227,6 +227,6 @@ public interface WorkspaceExplorerServiceAsync {
 	 * @param asyncCallback the async callback
 	 * @return the folder children count
 	 */
-	public void getFolderChildrenCount(Item item, AsyncCallback<Integer> asyncCallback);
+	public void getFolderChildrenCount(ItemDTO item, AsyncCallback<Integer> asyncCallback);
 
 }

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/save/WorkspaceExplorerSaveDialog.java

@@ -11,7 +11,7 @@ import org.gcube.portlets.widgets.wsexplorer.client.event.LoadRootEvent;
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSaveNotification.HasWorskpaceExplorerSaveNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSaveNotification.WorskpaceExplorerSaveNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
 
 import com.github.gwtbootstrap.client.ui.Button;
@@ -195,7 +195,7 @@ public class WorkspaceExplorerSaveDialog extends Modal implements HasWorskpaceEx
 			public void onClick(ClickEvent event) {
 				isSave = false;
 
-				Item item = controller.getWsExplorer().getItemSelected();
+				ItemDTO item = controller.getWsExplorer().getItemSelected();
 
 				//A FOLDER IS SELECTED
 				if (item != null && item.isFolder()) {
@@ -222,7 +222,7 @@ public class WorkspaceExplorerSaveDialog extends Modal implements HasWorskpaceEx
 						return;
 					}
 
-					Item itemB = controller.getBreadcrumbs().getLastParent();
+					ItemDTO itemB = controller.getBreadcrumbs().getLastParent();
 					GWT.log("last parent: "+itemB);
 					if (itemB != null) {
 						if(itemB.isSpecialFolder()){
@@ -262,8 +262,8 @@ public class WorkspaceExplorerSaveDialog extends Modal implements HasWorskpaceEx
 			public <T> void onClick(final ClickItemEvent<T> clickItemEvent) {
 
 				if(clickItemEvent.getItem()!=null){
-					if (clickItemEvent.getItem() instanceof Item) {
+					if (clickItemEvent.getItem() instanceof ItemDTO) {
-						Item item = (Item) clickItemEvent.getItem();
+						ItemDTO item = (ItemDTO) clickItemEvent.getItem();
 						if(item!=null && !item.isFolder())
 							setFileName("New_"+item.getName());
 					}
@@ -318,7 +318,7 @@ public class WorkspaceExplorerSaveDialog extends Modal implements HasWorskpaceEx
 	 * @param parent the parent
 	 * @param fileName the file name
 	 */
-	private void notifySaving(Item parent, String fileName) {
+	private void notifySaving(ItemDTO parent, String fileName) {
 
 		for (WorskpaceExplorerSaveNotificationListener worskpaceExplorerNotificationListener : listeners) {
 			worskpaceExplorerNotificationListener.onSaving(parent, fileName);

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/save/WorkspaceExplorerSavePanel.java

@@ -15,7 +15,7 @@ import org.gcube.portlets.widgets.wsexplorer.client.event.LoadRootEvent;
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSaveNotification.HasWorskpaceExplorerSaveNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSaveNotification.WorskpaceExplorerSaveNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
 
 import com.github.gwtbootstrap.client.ui.Button;
@@ -161,7 +161,7 @@ public class WorkspaceExplorerSavePanel extends ScrollPanel implements HasWorskp
 			public void onClick(ClickEvent event) {
 				isSave = false;
 
-				Item item = controller.getWsExplorer().getItemSelected();
+				ItemDTO item = controller.getWsExplorer().getItemSelected();
 
 				if (item != null && item.isFolder()) {
 
@@ -186,7 +186,7 @@ public class WorkspaceExplorerSavePanel extends ScrollPanel implements HasWorskp
 						return;
 					}
 
-					Item itemB = controller.getBreadcrumbs().getLastParent();
+					ItemDTO itemB = controller.getBreadcrumbs().getLastParent();
 					GWT.log("last parent: "+itemB);
 					if (itemB != null) {
 						if(itemB.isSpecialFolder()){
@@ -231,8 +231,8 @@ public class WorkspaceExplorerSavePanel extends ScrollPanel implements HasWorskp
 			public <T> void onClick(final ClickItemEvent<T> clickItemEvent) {
 
 				if(clickItemEvent.getItem()!=null){
-					if (clickItemEvent.getItem() instanceof Item) {
+					if (clickItemEvent.getItem() instanceof ItemDTO) {
-						Item item = (Item) clickItemEvent.getItem();
+						ItemDTO item = (ItemDTO) clickItemEvent.getItem();
 						if(item!=null && !item.isFolder())
 							setFileName("New_"+item.getName());
 					}
@@ -276,7 +276,7 @@ public class WorkspaceExplorerSavePanel extends ScrollPanel implements HasWorskp
 	 * @param parent the parent
 	 * @param fileName the file name
 	 */
-	private void notifySaving(Item parent, String fileName) {
+	private void notifySaving(ItemDTO parent, String fileName) {
 
 		for (WorskpaceExplorerSaveNotificationListener worskpaceExplorerNotificationListener : listeners) {
 			worskpaceExplorerNotificationListener.onSaving(parent, fileName);

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/select/WorkspaceExplorerSelectDialog.java

@@ -13,7 +13,7 @@ import org.gcube.portlets.widgets.wsexplorer.client.event.LoadRootEvent;
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.HasWorskpaceExplorerSelectNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
 
 import com.github.gwtbootstrap.client.ui.Alert;
@@ -180,8 +180,8 @@ public class WorkspaceExplorerSelectDialog extends Modal implements HasWorskpace
 		if(folderId==null || folderId.isEmpty())
 			controller.getEventBus().fireEvent(new LoadRootEvent());
 		else{
-			Item item = new Item(folderId, "", true);
+			ItemDTO item = new ItemDTO(folderId, "", true);
-			controller.getEventBus().fireEvent(new LoadFolderEvent<Item>(item));
+			controller.getEventBus().fireEvent(new LoadFolderEvent<ItemDTO>(item));
 		}
 		initDialog(captionTxt);
 	}
@@ -217,7 +217,7 @@ public class WorkspaceExplorerSelectDialog extends Modal implements HasWorskpace
 			@Override
 			public void onClick(ClickEvent event) {
 				isSelect = false;
-				Item item = controller.getWsExplorer().getItemSelected();
+				ItemDTO item = controller.getWsExplorer().getItemSelected();
 				boolean isSelectable = controller.itemIsSelectable(item);
 				GWT.log("Item is selectable? "+isSelectable);
 				if(item!=null && isSelectable){
@@ -225,7 +225,7 @@ public class WorkspaceExplorerSelectDialog extends Modal implements HasWorskpace
 					INSTANCE.hide();
 					notifySelectedItem(item);
 				}else if(item==null){ //IGNORING ITEM SELECT, CAN USE BREADCRUMBS?
-					Item itemB = controller.getBreadcrumbs().getLastParent();
+					ItemDTO itemB = controller.getBreadcrumbs().getLastParent();
 					if(itemB!=null){
 						isSelectable = controller.itemIsSelectable(itemB); //BREADCRUMB IS SELECTABLE?
 						if(isSelectable)
@@ -247,7 +247,7 @@ public class WorkspaceExplorerSelectDialog extends Modal implements HasWorskpace
 	 * @param show the show
 	 * @param item the item
 	 */
-	private void setAlertConfirm(String html, boolean show, final Item item){
+	private void setAlertConfirm(String html, boolean show, final ItemDTO item){
 		try{
 			footer.remove(alertConfirm);
 		}catch(Exception e){
@@ -292,7 +292,7 @@ public class WorkspaceExplorerSelectDialog extends Modal implements HasWorskpace
 	 *
 	 * @param selected the selected
 	 */
-	private void notifySelectedItem(Item selected){
+	private void notifySelectedItem(ItemDTO selected){
 
 		for (WorskpaceExplorerSelectNotificationListener worskpaceExplorerNotificationListener : listeners) {
 			worskpaceExplorerNotificationListener.onSelectedItem(selected);

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/select/WorkspaceExplorerSelectPanel.java

@@ -22,7 +22,7 @@ import org.gcube.portlets.widgets.wsexplorer.client.event.RootLoadedEventHandler
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.HasWorskpaceExplorerSelectNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
 
 import com.github.gwtbootstrap.client.ui.Alert;
@@ -172,7 +172,7 @@ public class WorkspaceExplorerSelectPanel extends ScrollPanel implements HasWors
 			@Override
 			public void onClick(final ClickItemEvent clickItemEvent) {
 				isSelect = false;
-				Item item = controller.getWsExplorer().getItemSelected();
+				ItemDTO item = controller.getWsExplorer().getItemSelected();
 
 				//Return if item is not selectable
 				if(!controller.itemIsSelectable(item)){
@@ -190,7 +190,7 @@ public class WorkspaceExplorerSelectPanel extends ScrollPanel implements HasWors
 			@Override
 			public void onBreadcrumbClick(BreadcrumbClickEvent breadcrumbClickEvent) {
 				isSelect = false;
-				Item item = breadcrumbClickEvent.getTargetItem();
+				ItemDTO item = breadcrumbClickEvent.getTargetItem();
 				GWT.log("BreadcrumbClickEvent: "+item);
 
 				//Return if item is not selectable
@@ -278,8 +278,8 @@ public class WorkspaceExplorerSelectPanel extends ScrollPanel implements HasWors
 		if(folderId==null || folderId.isEmpty())
 			controller.getEventBus().fireEvent(new LoadRootEvent());
 		else{
-			Item item = new Item(folderId, "", true);
+			ItemDTO item = new ItemDTO(folderId, "", true);
-			controller.getEventBus().fireEvent(new LoadFolderEvent<Item>(item));
+			controller.getEventBus().fireEvent(new LoadFolderEvent<ItemDTO>(item));
 		}
 		bindEvents();
 		initPanel(captionTxt);
@@ -312,7 +312,7 @@ public class WorkspaceExplorerSelectPanel extends ScrollPanel implements HasWors
 	 * @param show the show
 	 * @param item the item
 	 */
-	private void setAlertConfirm(String html, boolean show, final Item item){
+	private void setAlertConfirm(String html, boolean show, final ItemDTO item){
 		try{
 			footerHP.remove(alertConfirm);
 		}catch(Exception e){
@@ -356,7 +356,7 @@ public class WorkspaceExplorerSelectPanel extends ScrollPanel implements HasWors
 	 *
 	 * @param selected the selected
 	 */
-	private void notifySelectedItem(Item selected){
+	private void notifySelectedItem(ItemDTO selected){
 
 		for (WorskpaceExplorerSelectNotificationListener worskpaceExplorerNotificationListener : listeners) {
 			worskpaceExplorerNotificationListener.onSelectedItem(selected);

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/view/Breadcrumbs.java

@@ -8,7 +8,7 @@ import java.util.List;
 
 import org.gcube.portlets.widgets.wsexplorer.client.event.BreadcrumbClickEvent;
 import org.gcube.portlets.widgets.wsexplorer.client.event.BreadcrumbInitEvent;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 
 import com.github.gwtbootstrap.client.ui.NavLink;
 import com.google.gwt.core.client.GWT;
@@ -28,8 +28,8 @@ import com.google.gwt.user.client.ui.Widget;
 public class Breadcrumbs extends Composite {
 
 	public static final String DIVIDER = "/";
-	private LinkedHashMap<String, Item> hashListItems = new LinkedHashMap<String, Item>();// Ordered-HashMap
+	private LinkedHashMap<String, ItemDTO> hashListItems = new LinkedHashMap<String, ItemDTO>();// Ordered-HashMap
-	private Item lastParent;
+	private ItemDTO lastParent;
 	private static BreadcrumbsUiBinder uiBinder = GWT.create(BreadcrumbsUiBinder.class);
 
 	@UiField
@@ -82,10 +82,10 @@ public class Breadcrumbs extends Composite {
 	 * @param parents
 	 *            the new path
 	 */
-	public void setPath(List<Item> parents) {
+	public void setPath(List<ItemDTO> parents) {
 		resetBreadcrumbs();
 		if (parents != null && parents.size() > 0) {
-			for (Item parent : parents) {
+			for (ItemDTO parent : parents) {
 				GWT.log("parent is: "+parent);
 				if(parent!=null){
 					addNavigationLink(parent);
@@ -102,7 +102,7 @@ public class Breadcrumbs extends Composite {
 	 * @param item the item
 	 * @return true, if is root or special folder
 	 */
-	private boolean isRootOrSpecialFolder(Item item){
+	private boolean isRootOrSpecialFolder(ItemDTO item){
 		GWT.log(item.getName() +" is root "+(item.getParent()==null));
 		GWT.log(item.getName() +" is special folder "+item.isSpecialFolder());
 		return item.getParent()==null || item.isSpecialFolder();
@@ -123,7 +123,7 @@ public class Breadcrumbs extends Composite {
 	 *
 	 * @param parent the parent
 	 */
-	private void addNavigationLink(Item parent) {
+	private void addNavigationLink(ItemDTO parent) {
 		if(parent==null)
 			return;
 
@@ -135,7 +135,7 @@ public class Breadcrumbs extends Composite {
 			@Override
 			public void onClick(ClickEvent event) {
 
-				Item target = hashListItems.get(navLink.getName());
+				ItemDTO target = hashListItems.get(navLink.getName());
 //				WorkspaceExplorerController.eventBus.fireEvent(new LoadFolderEvent(target));
 				eventBus.fireEvent(new BreadcrumbClickEvent(target));
 			}
@@ -160,7 +160,7 @@ public class Breadcrumbs extends Composite {
 	 *
 	 * @return the last parent
 	 */
-	public Item getLastParent() {
+	public ItemDTO getLastParent() {
 		return lastParent;
 	}
 
@@ -170,7 +170,7 @@ public class Breadcrumbs extends Composite {
 	 *
 	 * @param item the item
 	 */
-	public void init(Item item) {
+	public void init(ItemDTO item) {
 		resetBreadcrumbs();
 		addNavigationLink(item);
 		hashListItems.put(item.getId(), item);

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/view/FolderLoader.java

@@ -3,7 +3,7 @@
  */
 package org.gcube.portlets.widgets.wsexplorer.client.view;
 
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 
 
 /**
@@ -24,5 +24,5 @@ public interface FolderLoader {
 	 * @param resetStore the reset store.  Used for pagination
 	 * @throws Exception the exception
 	 */
-	public void loadFolder(final Item item, boolean loadGcubeProperties, int startIdx, int limit, boolean resetStore) throws Exception;
+	public void loadFolder(final ItemDTO item, boolean loadGcubeProperties, int startIdx, int limit, boolean resetStore) throws Exception;
 }

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/view/Navigation.java

@@ -8,7 +8,7 @@ import org.gcube.portlets.widgets.wsexplorer.client.event.CreateFolderClickEvent
 import org.gcube.portlets.widgets.wsexplorer.client.event.LoadMySpecialFolderEvent;
 import org.gcube.portlets.widgets.wsexplorer.client.event.LoadRootEvent;
 import org.gcube.portlets.widgets.wsexplorer.client.resources.WorkspaceExplorerResources;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemCategory;
 
 import com.github.gwtbootstrap.client.ui.NavWidget;
@@ -65,10 +65,10 @@ public class Navigation extends Composite{
 //		getElement().getStyle().setMarginLeft(5.0, Unit.PX);
 		home.setActive(true);
 
-		WorkspaceExplorerConstants.workspaceNavigatorService.getItemByCategory(ItemCategory.HOME, new AsyncCallback<Item>() {
+		WorkspaceExplorerConstants.workspaceNavigatorService.getItemByCategory(ItemCategory.HOME, new AsyncCallback<ItemDTO>() {
 
 			@Override
-			public void onSuccess(Item result) {
+			public void onSuccess(ItemDTO result) {
 				home.setText(result.getName());
 
 			}
@@ -93,10 +93,10 @@ public class Navigation extends Composite{
 		vre_folder.setActive(true);
 		vre_folder.setBaseIcon(WorkspaceExplorerResources.CustomIconType.vre_folder);
 
-		WorkspaceExplorerConstants.workspaceNavigatorService.getItemByCategory(ItemCategory.VRE_FOLDER, new AsyncCallback<Item>() {
+		WorkspaceExplorerConstants.workspaceNavigatorService.getItemByCategory(ItemCategory.VRE_FOLDER, new AsyncCallback<ItemDTO>() {
 
 			@Override
-			public void onSuccess(Item result) {
+			public void onSuccess(ItemDTO result) {
 				vre_folder.setText(result.getName());
 
 			}

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/view/WorkspaceExplorer.java

@@ -11,7 +11,7 @@ import org.gcube.portlets.widgets.wsexplorer.client.resources.WorkspaceExplorerR
 import org.gcube.portlets.widgets.wsexplorer.client.view.grid.ItemsTable;
 import org.gcube.portlets.widgets.wsexplorer.client.view.grid.ItemsTable.DISPLAY_FIELD;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
 
 import com.github.gwtbootstrap.client.ui.Alert;
@@ -55,16 +55,16 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 	protected FilterCriteria filterCriteria = null;
 	protected boolean showEmptyFolders = true;
 	protected ScrollPanel explorerPanel;
-	private ItemsTable<Item> itTables;
+	private ItemsTable<ItemDTO> itTables;
 	private DISPLAY_FIELD[] displayFields;
 	private DISPLAY_FIELD sortByColumn;
 	private HandlerManager eventBus;
 
-	private Item displayingFolderItem;
+	private ItemDTO displayingFolderItem;
 	private boolean showGcubeItemsInfo;
 	private List<String> displayProperties;
 
-	private AbstractDataProvider<Item> dataProvider;
+	private AbstractDataProvider<ItemDTO> dataProvider;
 
 	/**
 	 * Instantiates a new workspace explorer - This is the base constructor.
@@ -94,9 +94,9 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 	 *
 	 * @param dataProvider the new data provider table
 	 */
-	public void initTable(AbstractDataProvider<Item> dataProvider){
+	public void initTable(AbstractDataProvider<ItemDTO> dataProvider){
 		this.dataProvider = dataProvider;
-		this.itTables = new ItemsTable<Item>(eventBus, true, displayFields, displayProperties, showGcubeItemsInfo, sortByColumn);
+		this.itTables = new ItemsTable<ItemDTO>(eventBus, true, displayFields, displayProperties, showGcubeItemsInfo, sortByColumn);
 		this.itTables.initTable(null, null, dataProvider);
 	}
 
@@ -189,7 +189,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 
 		GWT.log("loading workspace tree from server");
 
-		WorkspaceExplorerConstants.workspaceNavigatorService.getRoot(showableTypesParam, purgeEmpyFolders, filterCriteria, new AsyncCallback<Item>() {
+		WorkspaceExplorerConstants.workspaceNavigatorService.getRoot(showableTypesParam, purgeEmpyFolders, filterCriteria, new AsyncCallback<ItemDTO>() {
 
 			public void onFailure(Throwable caught) {
 				Window.alert(caught.getMessage());
@@ -197,7 +197,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 				GWT.log("Error loading workspace tree from server",caught);
 			}
 
-			public void onSuccess(Item item) {
+			public void onSuccess(ItemDTO item) {
 				eventBus.fireEvent(new RootLoadedEvent(item));
 				updateExplorer(item.getChildren());
 
@@ -212,7 +212,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 	 *
 	 * @param item the new displaying folder item
 	 */
-	protected void setDisplayingFolderItem(Item item) {
+	protected void setDisplayingFolderItem(ItemDTO item) {
 		this.displayingFolderItem = item;
 	}
 
@@ -237,7 +237,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 //		FilterCriteria filterCriteria = new FilterCriteria(allowedMimeTypes,requiredProperties, allowedFileExtensions);
 
 		GWT.log("loading workspace tree from server");
-		WorkspaceExplorerConstants.workspaceNavigatorService.getMySpecialFolder(showableTypesParam, purgeEmpyFolders, filterCriteria, new AsyncCallback<Item>() {
+		WorkspaceExplorerConstants.workspaceNavigatorService.getMySpecialFolder(showableTypesParam, purgeEmpyFolders, filterCriteria, new AsyncCallback<ItemDTO>() {
 
 				@Override
 				public void onFailure(Throwable caught) {
@@ -247,7 +247,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 				}
 
 				@Override
-				public void onSuccess(Item item) {
+				public void onSuccess(ItemDTO item) {
 
 					updateExplorer(item.getChildren());
 					setDisplayingFolderItem(item);
@@ -261,7 +261,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 	 *
 	 * @param items the items
 	 */
-	protected void updateExplorer(ArrayList<Item> items){
+	protected void updateExplorer(ArrayList<ItemDTO> items){
 		GWT.log("workspace explorer updating..");
 		explorerPanel.clear();
 //		itTables = new ItemsTable(true, displayFields);
@@ -276,7 +276,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 	 *
 	 * @param item the item
 	 */
-	public void addItemToExplorer(Item item){
+	public void addItemToExplorer(ItemDTO item){
 		GWT.log("workspace explorer add item.."+item);
 //		itTables = new ItemsTable(true, displayFields);
 //		explorerPanel.clear();
@@ -321,7 +321,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 	 *
 	 * @return the itTables
 	 */
-	public ItemsTable<Item> getItTables() {
+	public ItemsTable<ItemDTO> getItTables() {
 		return itTables;
 	}
 
@@ -331,7 +331,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 	 *
 	 * @return the item selected
 	 */
-	public Item getItemSelected(){
+	public ItemDTO getItemSelected(){
 		return itTables.getSelectedItem();
 	}
 
@@ -392,7 +392,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 	 *
 	 * @return the displayingFolderItem
 	 */
-	public Item getDisplayingFolderItem() {
+	public ItemDTO getDisplayingFolderItem() {
 
 		return displayingFolderItem;
 	}
@@ -403,7 +403,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 	 *
 	 * @return the dataProvider
 	 */
-	public AbstractDataProvider<Item> getDataProvider() {
+	public AbstractDataProvider<ItemDTO> getDataProvider() {
 
 		return dataProvider;
 	}
@@ -426,7 +426,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 	 */
 	@Override
 	public void loadFolder(
-		final Item item, boolean loadGcubeProperties, int startIdx, int limit,
+		final ItemDTO item, boolean loadGcubeProperties, int startIdx, int limit,
 		boolean resetStore)
 		throws Exception {
 
@@ -452,7 +452,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 //			FilterCriteria filterCriteria = new FilterCriteria(allowedMimeTypes,requiredProperties, allowedFileExtensions);
 
 		GWT.log("loading workspace folder by item id from server: "+item.getId());
-		WorkspaceExplorerConstants.workspaceNavigatorService.getFolder(item, showableTypesParam, purgeEmpyFolders, filterCriteria, loadGcubeProperties, new AsyncCallback<Item>() {
+		WorkspaceExplorerConstants.workspaceNavigatorService.getFolder(item, showableTypesParam, purgeEmpyFolders, filterCriteria, loadGcubeProperties, new AsyncCallback<ItemDTO>() {
 
 			@Override
 			public void onFailure(Throwable caught) {
@@ -462,7 +462,7 @@ public class WorkspaceExplorer implements ShowableTypes, SelectableTypes, Folder
 			}
 
 			@Override
-			public void onSuccess(Item result) {
+			public void onSuccess(ItemDTO result) {
 				if(item.getName()==null || item.getName().isEmpty())
 					item.setName(result.getName());
 

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/view/WorkspaceExplorerPaginated.java

@@ -12,7 +12,7 @@ import org.gcube.portlets.widgets.wsexplorer.client.WorkspaceExplorerConstants;
 import org.gcube.portlets.widgets.wsexplorer.client.view.grid.ItemsTable.DISPLAY_FIELD;
 import org.gcube.portlets.widgets.wsexplorer.client.view.grid.SortedCellTable;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
 import org.gcube.portlets.widgets.wsexplorer.shared.SearchedFolder;
 
@@ -48,7 +48,7 @@ public class WorkspaceExplorerPaginated extends WorkspaceExplorer{
 
 	private Boolean newLoading = false;
 
-	private MyCustomDataProvider<Item> dataProvider = new MyCustomDataProvider<Item>();
+	private MyCustomDataProvider<ItemDTO> dataProvider = new MyCustomDataProvider<ItemDTO>();
 
 	protected boolean loadGcubeProperties = false;
 
@@ -87,8 +87,8 @@ public class WorkspaceExplorerPaginated extends WorkspaceExplorer{
 	 *
 	 * @return the asycn data provider
 	 */
-	public AsyncDataProvider<Item> getAsycnDataProvider(){
+	public AsyncDataProvider<ItemDTO> getAsycnDataProvider(){
-		return (AsyncDataProvider<Item>) getCellTable().getDataProvider();
+		return (AsyncDataProvider<ItemDTO>) getCellTable().getDataProvider();
 	}
 
 	/**
@@ -96,7 +96,7 @@ public class WorkspaceExplorerPaginated extends WorkspaceExplorer{
 	 *
 	 * @return the cell tale
 	 */
-	public SortedCellTable<Item> getCellTable(){
+	public SortedCellTable<ItemDTO> getCellTable(){
 		return  getItTables().getCellTable();
 	}
 
@@ -104,7 +104,7 @@ public class WorkspaceExplorerPaginated extends WorkspaceExplorer{
 	/* (non-Javadoc)
 	 * @see org.gcube.portlets.widgets.wsexplorer.client.view.WorkspaceExplorer#loadFolder(org.gcube.portlets.widgets.wsexplorer.shared.Item, boolean, int, int, boolean)
 	 */
-	public void loadFolder(final Item item, final boolean loadGcubeProperties, final int startIdx, final int limit, final boolean resetStore) throws Exception {
+	public void loadFolder(final ItemDTO item, final boolean loadGcubeProperties, final int startIdx, final int limit, final boolean resetStore) throws Exception {
 		newLoading = resetStore;
 		GWT.log("loading folder data for Item: "+item.getId()+" [startIdx: "+startIdx +", limit: "+limit+", resetStore:"+resetStore+"]");
 		//super.loadFolder(item, loadGcubeProperties);
@@ -182,7 +182,7 @@ public class WorkspaceExplorerPaginated extends WorkspaceExplorer{
 	 * @param purgeEmpyFolders the purge empy folders
 	 * @param showableTypesParam the showable types param
 	 */
-	private void perfomGetFolderChildren(final Item item, boolean loadGcubeProperties, final int startIdx, final int limit, final int serSI, boolean purgeEmpyFolders, List<ItemType> showableTypesParam){
+	private void perfomGetFolderChildren(final ItemDTO item, boolean loadGcubeProperties, final int startIdx, final int limit, final int serSI, boolean purgeEmpyFolders, List<ItemType> showableTypesParam){
 		GWT.log("loading workspace folder by item id from server: "+item.getId());
 
 		SearchedFolder page = getCachePage(item, startIdx, limit);
@@ -228,10 +228,10 @@ public class WorkspaceExplorerPaginated extends WorkspaceExplorer{
 			getCellTable().setVisibleRangeAndClearData(new Range(result.getClientStartIndex(), WorkspaceExplorerConstants.ITEMS_PER_PAGE), false);
 		}
 
-		SelectionModel<? super Item> sm = getCellTable().getSelectionModel();
+		SelectionModel<? super ItemDTO> sm = getCellTable().getSelectionModel();
 
 		if(sm instanceof SingleSelectionModel){
-			SingleSelectionModel<Item> ssm = (SingleSelectionModel<Item>) sm;
+			SingleSelectionModel<ItemDTO> ssm = (SingleSelectionModel<ItemDTO>) sm;
 			ssm.clear();
 		}
 
@@ -268,7 +268,7 @@ public class WorkspaceExplorerPaginated extends WorkspaceExplorer{
 	 * @param item the item
 	 * @param result the result
 	 */
-	private void setCachePage(Item item, SearchedFolder result){
+	private void setCachePage(ItemDTO item, SearchedFolder result){
 
 		String key = getCacheKey(item, result.getClientStartIndex(), result.getLimit());
 
@@ -287,7 +287,7 @@ public class WorkspaceExplorerPaginated extends WorkspaceExplorer{
 	 * @param limit the limit
 	 * @return the cache page
 	 */
-	private SearchedFolder getCachePage(Item item, int startIdx, int limit){
+	private SearchedFolder getCachePage(ItemDTO item, int startIdx, int limit){
 
 		String key = getCacheKey(item, startIdx, limit);
 
@@ -303,7 +303,7 @@ public class WorkspaceExplorerPaginated extends WorkspaceExplorer{
 	 * @param limit the limit
 	 * @return the cache key
 	 */
-	private String getCacheKey(Item item, int startIdx, int limit){
+	private String getCacheKey(ItemDTO item, int startIdx, int limit){
 
 		if(item==null || startIdx<0 || limit< 0)
 			return null;

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/view/gcubeitem/DialogShowGcubeItem.java

@@ -8,7 +8,7 @@ import java.util.Map;
 import org.gcube.portlets.widgets.wsexplorer.client.Util;
 import org.gcube.portlets.widgets.wsexplorer.client.WorkspaceExplorerConstants;
 import org.gcube.portlets.widgets.wsexplorer.client.resources.WorkspaceExplorerResources;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 
 import com.google.gwt.core.shared.GWT;
 import com.google.gwt.dom.client.Style.Unit;
@@ -54,7 +54,7 @@ public class DialogShowGcubeItem extends DialogBox implements ClickHandler {
 	 * @param item the worksapce item id
 	 * @param autoHide the auto hide
 	 */
-	public DialogShowGcubeItem(String caption, String text, Item item, boolean autoHide) {
+	public DialogShowGcubeItem(String caption, String text, ItemDTO item, boolean autoHide) {
 		getElement().setClassName("gwt-DialogBoxNew");
 		dock.setSpacing(4);
 		dock.setWidth("100%");

src/main/java/org/gcube/portlets/widgets/wsexplorer/client/view/grid/ItemsTable.java

@@ -15,7 +15,7 @@ import org.gcube.portlets.widgets.wsexplorer.client.WorkspaceExplorerConstants;
 import org.gcube.portlets.widgets.wsexplorer.client.resources.WorkspaceExplorerResources;
 import org.gcube.portlets.widgets.wsexplorer.client.view.SelectionItem;
 import org.gcube.portlets.widgets.wsexplorer.client.view.gcubeitem.DialogShowGcubeItem;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 
 import com.github.gwtbootstrap.client.ui.Pagination;
 import com.google.gwt.cell.client.ButtonCell;
@@ -49,7 +49,7 @@ import com.google.gwt.view.client.ListDataProvider;
  * Feb 19, 2015
  * @param <T> the generic type
  */
-public class ItemsTable<T extends Item> extends AbstractItemsCellTable<T> implements SelectionItem{
+public class ItemsTable<T extends ItemDTO> extends AbstractItemsCellTable<T> implements SelectionItem{
 
 	private Column<T, ImageResource> icon;
 	private TextColumn<T> name;
@@ -173,7 +173,7 @@ public class ItemsTable<T extends Item> extends AbstractItemsCellTable<T> implem
 				public String getValue(T object) {
 					if(object==null)
 						return "";
-					return ((Item) object).getName();
+					return ((ItemDTO) object).getName();
 				}
 
 				//ADDING TOOLTIP
@@ -181,7 +181,7 @@ public class ItemsTable<T extends Item> extends AbstractItemsCellTable<T> implem
 				public void render(com.google.gwt.cell.client.Cell.Context context, T object, SafeHtmlBuilder sb) {
 					if(object == null)
 						return;
-					sb.appendHtmlConstant("<div title=\""+((Item) object).getName()+"\">");
+					sb.appendHtmlConstant("<div title=\""+((ItemDTO) object).getName()+"\">");
 					super.render(context, object, sb);
 					sb.appendHtmlConstant("</div>");
 				};
@@ -193,7 +193,7 @@ public class ItemsTable<T extends Item> extends AbstractItemsCellTable<T> implem
 				Comparator<T> c = new Comparator<T>() {
 					@Override
 					public int compare(T o1, T o2) {
-						return ((Item) o1).getName().compareTo(((Item) o2).getName());
+						return ((ItemDTO) o1).getName().compareTo(((ItemDTO) o2).getName());
 					}
 				};
 
@@ -209,7 +209,7 @@ public class ItemsTable<T extends Item> extends AbstractItemsCellTable<T> implem
 				public String getValue(T object) {
 					if(object==null)
 						return "";
-					return ((Item) object).getOwner() != null ? ((Item) object).getOwner() : "";
+					return ((ItemDTO) object).getOwner() != null ? ((ItemDTO) object).getOwner() : "";
 				}
 			};
 
@@ -219,7 +219,7 @@ public class ItemsTable<T extends Item> extends AbstractItemsCellTable<T> implem
 				Comparator<T> c = new Comparator<T>() {
 					@Override
 					public int compare(T o1, T o2) {
-						return ((Item) o1).getOwner().compareTo(((Item) o2).getOwner());
+						return ((ItemDTO) o1).getOwner().compareTo(((ItemDTO) o2).getOwner());
 					}
 				};
 				sortedCellTable.setComparator(owner, c);
@@ -236,7 +236,7 @@ public class ItemsTable<T extends Item> extends AbstractItemsCellTable<T> implem
 				public Date getValue(T object) {
 					if(object==null)
 						return null;
-					return ((Item) object).getCreationDate();
+					return ((ItemDTO) object).getCreationDate();
 				}
 	    	};
 	    	sortedCellTable.addColumn(dateColumn, "Created", true);
@@ -251,8 +251,8 @@ public class ItemsTable<T extends Item> extends AbstractItemsCellTable<T> implem
 		    			if(o2 == null || o2.getCreationDate()==null)
 	 						return 1;
 
-		    			Date d1 = ((Item) o1).getCreationDate();
+		    			Date d1 = ((ItemDTO) o1).getCreationDate();
-		    			Date d2 = ((Item) o2).getCreationDate();
+		    			Date d2 = ((ItemDTO) o2).getCreationDate();
 
 	//	    			GWT.log(d1.toString() + "is after "+d2.toString() +" ? "+d2.after(d1));
 
@@ -276,9 +276,9 @@ public class ItemsTable<T extends Item> extends AbstractItemsCellTable<T> implem
 	    		 TextColumn<T> textColumn = new TextColumn<T>() {
 	 				@Override
 	 				public String getValue(T object) {
-	 					Item extensionItem;
+	 					ItemDTO extensionItem;
 	 					String value = null;
-	 					if(object instanceof Item){
+	 					if(object instanceof ItemDTO){
 	 						extensionItem = object;
 	 						value = extensionItem.getGcubeProperties().get(column);
 	 					}
@@ -292,14 +292,14 @@ public class ItemsTable<T extends Item> extends AbstractItemsCellTable<T> implem
 		 				@Override
 		 				public int compare(T o1, T o2) {
 
-		 					if(!(o1 instanceof Item))
+		 					if(!(o1 instanceof ItemDTO))
 		 						return -1;
 
-		 					if(!(o2 instanceof Item))
+		 					if(!(o2 instanceof ItemDTO))
 		 						return 1;
 
-		 					Item e1 = o1;
+		 					ItemDTO e1 = o1;
-		 					Item e2 = o2;
+		 					ItemDTO e2 = o2;
 		 					String v1 = e1.getGcubeProperties().get(column);
 		 					String v2 = e2.getGcubeProperties().get(column);
 
@@ -348,7 +348,7 @@ public class ItemsTable<T extends Item> extends AbstractItemsCellTable<T> implem
 					Context context, Element elem, T object, NativeEvent event) {
 				 	super.onBrowserEvent(context, elem, object, event);
 		            if ("click".equals(event.getType())) {
-		            	Item item = object;
+		            	ItemDTO item = object;
 		    	    	DialogShowGcubeItem dg = new DialogShowGcubeItem("Gcube Properties for: "+item.getName(), null, item, true);
 //		    	    	dg.setPopupPosition(event.getClientX()-Integer.parseInt(dg.getElement().getStyle().getWidth()), event.getClientY());
 		    	    	dg.center();

src/main/java/org/gcube/portlets/widgets/wsexplorer/server/ItemBuilder.java

@@ -10,17 +10,18 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 
-import org.gcube.common.homelibary.model.items.type.WorkspaceItemType;
+import org.gcube.common.storagehub.client.plugins.AbstractPlugin;
-import org.gcube.common.homelibrary.home.exceptions.InternalErrorException;
+import org.gcube.common.storagehub.client.proxies.ItemManagerClient;
-import org.gcube.common.homelibrary.home.workspace.WorkspaceFolder;
+import org.gcube.common.storagehub.model.items.AbstractFileItem;
-import org.gcube.common.homelibrary.home.workspace.WorkspaceItem;
+import org.gcube.common.storagehub.model.items.FolderItem;
-import org.gcube.common.homelibrary.home.workspace.WorkspaceSharedFolder;
+import org.gcube.common.storagehub.model.items.Item;
-import org.gcube.common.homelibrary.home.workspace.folder.FolderItem;
+import org.gcube.common.storagehub.model.items.SharedFolder;
-import org.gcube.common.homelibrary.home.workspace.folder.items.ExternalFile;
+import org.gcube.common.storagehub.model.items.VreFolder;
 import org.gcube.portlets.widgets.wsexplorer.client.Util;
 import org.gcube.portlets.widgets.wsexplorer.client.WorkspaceExplorerConstants;
+import org.gcube.portlets.widgets.wsexplorer.server.stohub.Whorespace;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -40,18 +41,18 @@ public class ItemBuilder {
 	 * @param item the item
 	 * @return the item
 	 */
-	public static Item purgeEmptyFolders(Item item)
+	public static ItemDTO purgeEmptyFolders(ItemDTO item)
 	{
 		//for (Item child:item.getChildren()) purgeEmptyFolders(child); ONLY FIRST LEVEL
 
-		List<Item> toRemoveList = new LinkedList<Item>();
+		List<ItemDTO> toRemoveList = new LinkedList<ItemDTO>();
-		for (Item child:item.getChildren()) {
+		for (ItemDTO child:item.getChildren()) {
 			boolean toRemove = isAnEmptyFolder(child);
 			if (toRemove) {
 				toRemoveList.add(child);
 			}
 		}
-		for (Item child:toRemoveList) {
+		for (ItemDTO child:toRemoveList) {
 			item.removeChild(child);
 		}
 
@@ -65,7 +66,7 @@ public class ItemBuilder {
 	 * @param item the item
 	 * @return true, if is an empty folder
 	 */
-	protected static boolean isAnEmptyFolder(Item item)
+	protected static boolean isAnEmptyFolder(ItemDTO item)
 	{
 		return Util.isFolder(item.getType()) && item.getChildren().size() == 0;
 	}
@@ -84,8 +85,9 @@ public class ItemBuilder {
 	 * @return the item
 	 * @throws InternalErrorException the internal error exception
 	 */
-	public static Item getItem(Item parent, WorkspaceItem workspaceItem, String workspaceItemPath, List<ItemType> showableTypes, FilterCriteria filterCriteria, boolean loadChildren, boolean loadGcubeProperties) throws InternalErrorException
+	public static ItemDTO getItem(ItemDTO parent, Item workspaceItem, String workspaceItemPath, 
-	{
+			List<ItemType> showableTypes, FilterCriteria filterCriteria, 
+			boolean loadChildren, boolean loadGcubeProperties) {
 
 		ItemType type = getItemType(workspaceItem);
 
@@ -96,30 +98,25 @@ public class ItemBuilder {
 			return null;
 		}
 
-//		//TODO ADD CONTROL ON THE PATH WHEN WILL BE MORE FAST
+		//		//TODO ADD CONTROL ON THE PATH WHEN WILL BE MORE FAST
-//		if (itemName.equals(WorkspaceExplorerConstants.SPECIAL_FOLDERS_LABEL))
+		//		if (itemName.equals(WorkspaceExplorerConstants.SPECIAL_FOLDERS_LABEL))
-//			itemName = WorkspaceExplorerConstants.VRE_FOLDERS_LABEL;
+		//			itemName = WorkspaceExplorerConstants.VRE_FOLDERS_LABEL;
 
-		boolean isFolder = type.equals(ItemType.FOLDER)?true:false;
+		boolean isFolder = type.equals(ItemType.PRIVATE_FOLDER)?true:false;
-		boolean isSharedFolder = workspaceItem.getType().equals(WorkspaceItemType.SHARED_FOLDER)?true:false;
+		boolean isSharedFolder = (type.equals(ItemType.SHARED_FOLDER) || type.equals(ItemType.VRE_FOLDER )) ? true : false;
 
 		String itemName =  workspaceItem.getName();
 
 		if(isSharedFolder){
-			logger.debug("Is shared folder: "+workspaceItem.getName());
+			logger.info("Is shared folder: "+workspaceItem.getTitle());
-			WorkspaceSharedFolder shared = (WorkspaceSharedFolder) workspaceItem;
+			SharedFolder shared = (SharedFolder) workspaceItem;
-			itemName = shared.isVreFolder()?shared.getDisplayName():workspaceItem.getName();
+			itemName = shared.isVreFolder()?shared.getDisplayName():workspaceItem.getTitle();
 		}
 
-//		_log.debug("Building Item for: "+itemName);
+		//		_log.debug("Building Item for: "+itemName);
-		Item item = null;
+		ItemDTO item = null;
 		try{
-			//THIS CALL IS VERY SLOW!!
+			item = new ItemDTO(parent, workspaceItem.getId(), itemName, type, workspaceItemPath, UserUtil.getUserFullName(workspaceItem.getOwner()), toDate(workspaceItem.getCreationTime()), isFolder, false);
-//			String storageID = null;
-//			if(workspaceItem instanceof FolderItem){
-//				storageID = workspaceItem.getStorageID();
-//			}
-			item = new Item(parent, workspaceItem.getId(), itemName, type, workspaceItemPath, UserUtil.getUserFullName(workspaceItem.getOwner().getPortalLogin()), toDate(workspaceItem.getCreationTime()), isFolder, false);
 			item.setSharedFolder(isSharedFolder);
 
 			if(loadGcubeProperties){
@@ -132,16 +129,14 @@ public class ItemBuilder {
 		}
 
 		if(loadChildren){
-			//TODO A PATCH TO AVOID A SLOW GETPATH
+			String itemId = item.getId();
-//			workspaceItemPath = workspaceItem.getPath();
+			ItemManagerClient client = AbstractPlugin.item().build();
-			for (WorkspaceItem child: workspaceItem.getChildren()){
+			List<? extends Item> theChildren = null;
+			theChildren = client.getChildren(itemId, Whorespace.ACCOUNTING_HL_NODE_NAME);
+			for (Item child : theChildren) {
 				String itemPath = workspaceItemPath+"/"+child.getName();
-//				if(child.isFolder())
+				ItemDTO itemChild = getItem(item, child, itemPath, showableTypes, filterCriteria, false, loadGcubeProperties);
-//				itemPath+="/"+child.getName();
+				logger.trace("Item: "+child.getName() +" converted!!!");
-
-//				_log.trace("\nConverting child item: "+child.getName());
-				Item itemChild = getItem(item, child, itemPath, showableTypes, filterCriteria, false, loadGcubeProperties);
-//				_log.trace("Item: "+child.getName() +" converted!!!");
 				if (itemChild!=null){
 					item.addChild(itemChild);
 				}
@@ -168,7 +163,9 @@ public class ItemBuilder {
 	 * @return the item
 	 * @throws InternalErrorException the internal error exception
 	 */
-	public static Item getItem(Item parent, WorkspaceItem workspaceItem, String workspaceItemPath, List<ItemType> showableTypes, FilterCriteria filterCriteria, boolean loadChildren, boolean loadGcubeProperties, int startIdx, int limit) throws InternalErrorException {
+	public static ItemDTO getItem(ItemDTO parent, Item workspaceItem, String workspaceItemPath, 
+			List<ItemType> showableTypes, FilterCriteria filterCriteria, 
+			boolean loadChildren, boolean loadGcubeProperties, int startIdx, int limit)  {
 
 		ItemType type = getItemType(workspaceItem);
 
@@ -178,31 +175,27 @@ public class ItemBuilder {
 		if (!filterItem(type, workspaceItem, filterCriteria)) {
 			return null;
 		}
-
+		boolean isFolder = type.equals(ItemType.PRIVATE_FOLDER)?true:false;
-//		//TODO ADD CONTROL ON THE PATH WHEN WILL BE MORE FAST
+		boolean isSharedFolder = (type.equals(ItemType.SHARED_FOLDER) || type.equals(ItemType.VRE_FOLDER )) ? true : false;
-//		if (itemName.equals(WorkspaceExplorerConstants.SPECIAL_FOLDERS_LABEL))
-//			itemName = WorkspaceExplorerConstants.VRE_FOLDERS_LABEL;
-
-		boolean isFolder = type.equals(ItemType.FOLDER)?true:false;
-		boolean isSharedFolder = workspaceItem.getType().equals(WorkspaceItemType.SHARED_FOLDER)?true:false;
 
 		String itemName =  workspaceItem.getName();
 
 		if(isSharedFolder){
-			logger.debug("Is shared folder: "+workspaceItem.getName());
+			logger.info("Is shared folder: "+workspaceItem.getTitle());
-			WorkspaceSharedFolder shared = (WorkspaceSharedFolder) workspaceItem;
+			SharedFolder shared = (SharedFolder) workspaceItem;
-			itemName = shared.isVreFolder()?shared.getDisplayName():workspaceItem.getName();
+			itemName = shared.isVreFolder()?shared.getDisplayName():workspaceItem.getTitle();
 		}
 
-//		_log.debug("Building Item for: "+itemName);
+
-		Item item = null;
+		//		_log.debug("Building Item for: "+itemName);
+		ItemDTO item = null;
 		try{
 			//THIS CALL IS VERY SLOW!!
-//			String storageID = null;
+			//			String storageID = null;
-//			if(workspaceItem instanceof FolderItem){
+			//			if(workspaceItem instanceof FolderItem){
-//				storageID = workspaceItem.getStorageID();
+			//				storageID = workspaceItem.getStorageID();
-//			}
+			//			}
-			item = new Item(parent, workspaceItem.getId(), itemName, type, workspaceItemPath, UserUtil.getUserFullName(workspaceItem.getOwner().getPortalLogin()), toDate(workspaceItem.getCreationTime()), isFolder, false);
+			item = new ItemDTO(parent, workspaceItem.getId(), itemName, type, workspaceItemPath, UserUtil.getUserFullName(workspaceItem.getOwner()), toDate(workspaceItem.getCreationTime()), isFolder, false);
 			item.setSharedFolder(isSharedFolder);
 
 			if(loadGcubeProperties){
@@ -215,10 +208,14 @@ public class ItemBuilder {
 		}
 
 		if(loadChildren){
-			WorkspaceFolder folder = (WorkspaceFolder) workspaceItem;
+			String itemId = item.getId();
-			for (WorkspaceItem child: folder.getChildren(limit, startIdx, false)){
+			ItemManagerClient client = AbstractPlugin.item().build();
+			List<? extends Item> theChildren = null;
+			theChildren = client.getChildren(itemId, Whorespace.ACCOUNTING_HL_NODE_NAME);
+			for (Item child : theChildren) {
 				String itemPath = workspaceItemPath+"/"+child.getName();
-				Item itemChild = getItem(item, child, itemPath, showableTypes, filterCriteria, false, loadGcubeProperties, startIdx, limit);
+				ItemDTO itemChild = getItem(item, child, itemPath, showableTypes, filterCriteria, false, loadGcubeProperties);
+				logger.trace("Item: "+child.getName() +" converted!!!");
 				if (itemChild!=null){
 					item.addChild(itemChild);
 				}
@@ -235,20 +232,16 @@ public class ItemBuilder {
 	 * @return the item type
 	 * @throws InternalErrorException the internal error exception
 	 */
-	protected static ItemType getItemType(WorkspaceItem item) throws InternalErrorException
+	protected static ItemType getItemType(Item item) {
-	{
+		if (item instanceof AbstractFileItem) {
-		switch(item.getType())
+			return ItemType.EXTERNAL_FILE;
-		{
-			case SHARED_FOLDER:
-			case FOLDER:{
-//				if (item.isRoot()) return ItemType.ROOT;
-				return ItemType.FOLDER;
-			}
-			case FOLDER_ITEM: return getFolderItemType((FolderItem) item);
-
-			default:
-				return null;
 		}
+		else if (item instanceof FolderItem) {
+			return getFolderItemType(item);
+		}
+		logger.warn("Item Type non found: ");
+		return ItemType.UNKNOWN_TYPE;
+
 	}
 
 	/**
@@ -257,14 +250,17 @@ public class ItemBuilder {
 	 * @param item the item
 	 * @return the folder item type
 	 */
-	protected static ItemType getFolderItemType(FolderItem item){
+	protected static ItemType getFolderItemType(Item item){
-
+		if (item instanceof SharedFolder || item instanceof VreFolder) {
-		try{
+			SharedFolder folder = (SharedFolder) item;
-			return ItemType.valueOf(item.getFolderItemType().toString());
+			if (folder.isVreFolder())
-		}catch (Exception e) {
+				return ItemType.VRE_FOLDER;
-			logger.warn("Item Type non found: ", e.getMessage());
+			return ItemType.SHARED_FOLDER;
-			return ItemType.UNKNOWN_TYPE;
+		} else if (item instanceof FolderItem) {
+			return ItemType.PRIVATE_FOLDER;
 		}
+		logger.warn("Item Type non found: ");
+		return ItemType.UNKNOWN_TYPE;
 	}
 
 
@@ -277,7 +273,7 @@ public class ItemBuilder {
 	 * @return true, if successful
 	 * @throws InternalErrorException the internal error exception
 	 */
-	protected static boolean filterItem(ItemType type, WorkspaceItem item, FilterCriteria filterCriteria) throws InternalErrorException {
+	protected static boolean filterItem(ItemType type, Item item, FilterCriteria filterCriteria) {
 		if(filterCriteria==null) {
 			return true;
 		}
@@ -304,14 +300,13 @@ public class ItemBuilder {
 	 * @param allowedMimeTypes the allowed mime types
 	 * @return true, if successful
 	 */
-	protected static boolean checkAllowedMimeTypes(ItemType type, WorkspaceItem item, List<String> allowedMimeTypes){
+	protected static boolean checkAllowedMimeTypes(ItemType type, Item item, List<String> allowedMimeTypes){
 		if (allowedMimeTypes==null || allowedMimeTypes.size()==0) {
 			return true;
 		}
 
-		if (type == ItemType.EXTERNAL_FILE || type == ItemType.EXTERNAL_IMAGE || type == ItemType.EXTERNAL_PDF_FILE) {
+		if (type == ItemType.EXTERNAL_FILE) {
-			ExternalFile externalFile = (ExternalFile)item;
+			String mimeType = "unknown"; //TODO
-			String mimeType = externalFile.getMimeType();
 			return allowedMimeTypes.contains(mimeType);
 		}
 		return true;
@@ -328,18 +323,18 @@ public class ItemBuilder {
 	 * @param allowedFileExtension the allowed mime types
 	 * @return true, if successful
 	 */
-	protected static boolean checkAllowedFileExtension(ItemType type, WorkspaceItem item, List<String> allowedFileExtension){
+	protected static boolean checkAllowedFileExtension(ItemType type, Item item, List<String> allowedFileExtension){
 		if (allowedFileExtension==null || allowedFileExtension.size()==0) {
 			return true;
 		}
 
 		try {
-			if (type != ItemType.FOLDER) {
+			if (item instanceof FolderItem) {
 				String name = item.getName();
 				return checkFileExtension(name, allowedFileExtension);
 			}
 			return true;
-		} catch (InternalErrorException e) {
+		} catch (Exception e) {
 			logger.error("checkAllowedFileExtension, InternalErrorException: ",e);
 			return false;
 		}
@@ -363,8 +358,8 @@ public class ItemBuilder {
 
 			String ext = fileName.substring(dot+1, fileName.length());
 			logger.trace("Extension found: "+ext +" for: "+fileName);
-//			if(ext.isEmpty())
+			//			if(ext.isEmpty())
-//				return false;
+			//				return false;
 			for (String fe : allowedFileExtension) {
 				if(ext.compareTo(fe)==0) {
 					return true;
@@ -385,9 +380,9 @@ public class ItemBuilder {
 	 * @return true, if successful
 	 * @throws InternalErrorException the internal error exception
 	 */
-	protected static boolean checkProperties(WorkspaceItem item, Map<String, String> requestedProperties) throws InternalErrorException
+	protected static boolean checkProperties(Item item, Map<String, String> requestedProperties)
 	{
-		if (requestedProperties==null || requestedProperties.size()==0 || item.getType()!=WorkspaceItemType.FOLDER_ITEM) {
+		if (requestedProperties==null || requestedProperties.size()==0 || (item instanceof FolderItem)) {
 			return true;
 		}
 
@@ -417,15 +412,16 @@ public class ItemBuilder {
 	 * @return the gcube properties for item
 	 * @throws InternalErrorException the internal error exception
 	 */
-	protected static Map<String,String> getGcubePropertiesForItem(WorkspaceItem item) throws InternalErrorException{
+	protected static Map<String,String> getGcubePropertiesForItem(Item item) {
-
+		return null;
-		try {
+		//TODO: see how to return this later
-			return item.getProperties().getProperties();
+		//		try {
-		}
+		//			return item.getProperties().getProperties();
-		catch (InternalErrorException e) {
+		//		}
-			logger.warn("An error occurred during get properties for item: "+item.getId()+", returning null");
+		//		catch (InternalErrorException e) {
-			return null;
+		//			logger.warn("An error occurred during get properties for item: "+item.getId()+", returning null");
-		}
+		//			return null;
+		//		}
 	}
 
 
@@ -438,19 +434,19 @@ public class ItemBuilder {
 	 * @return the item
 	 * @throws InternalErrorException the internal error exception
 	 */
-	public static Item buildFolderForBreadcrumbs(WorkspaceFolder wsFolder, Item parent) throws InternalErrorException {
+	public static ItemDTO buildFolderForBreadcrumbs(FolderItem wsFolder, ItemDTO parent){
 
 		String name = "";
 		boolean isSpecialFolder = false;
 		boolean isRoot = false;
 
-		if(wsFolder.isRoot()){ //IS ROOT
+		if(wsFolder.getParentId() == null){ //IS ROOT
 			name = WorkspaceExplorerConstants.HOME_LABEL;
 			isRoot = true;
-		}else if(wsFolder.isShared() && wsFolder.getType().equals(WorkspaceItemType.SHARED_FOLDER)){ 		//MANAGEMENT SHARED FOLDER NAME
+		}else if(wsFolder.isShared()){ 		//MANAGEMENT SHARED FOLDER NAME
-	    	WorkspaceSharedFolder shared = (WorkspaceSharedFolder) wsFolder;
+			SharedFolder shared = (SharedFolder) wsFolder;
-	    	name = shared.isVreFolder()?shared.getDisplayName():wsFolder.getName();
+			name = shared.isVreFolder()?shared.getDisplayName():shared.getTitle();
-	    	//MANAGEMENT SPECIAL FOLDER
+			//MANAGEMENT SPECIAL FOLDER
 		}else if(isSpecialFolder(wsFolder)){
 			name = WorkspaceExplorerConstants.VRE_FOLDERS_LABEL;
 			isSpecialFolder = true;
@@ -461,7 +457,7 @@ public class ItemBuilder {
 
 		//BUILDS A SIMPLE ITEM FOR BREADCRUMB
 		String path = null; //wsFolder.getPath(); FORCED TO NULL BECAUSE IS SLOW CALL
-		Item item = new Item(null, wsFolder.getId(), name, ItemType.FOLDER, path, null, null, true, isRoot);
+		ItemDTO item = new ItemDTO(null, wsFolder.getId(), name, ItemType.FOLDER, path, null, null, true, isRoot);
 		item.setSpecialFolder(isSpecialFolder);
 
 		logger.debug("breadcrumb returning: "+item);
@@ -474,14 +470,8 @@ public class ItemBuilder {
 	 * @param wsFolder the ws folder
 	 * @return true, if is special folder
 	 */
-	public static boolean isSpecialFolder(WorkspaceFolder wsFolder){
+	public static boolean isSpecialFolder(FolderItem wsFolder){
-
+		return (wsFolder.getName().compareTo("MySpecialFolder") == 0);
-		try {
-			return wsFolder.getName().compareTo(WorkspaceExplorerConstants.SPECIAL_FOLDERS_NAME)==0 && wsFolder.getParent()!=null && wsFolder.getParent().isRoot();
-		} catch (InternalErrorException e) {
-			logger.warn("isSpecialFolder exception, returning false");
-			return false;
-		}
 	}
 
 

src/main/java/org/gcube/portlets/widgets/wsexplorer/server/ItemComparator.java

@@ -7,20 +7,20 @@ import java.util.Comparator;
 
 import org.gcube.portlets.widgets.wsexplorer.client.Util;
 import org.gcube.portlets.widgets.wsexplorer.client.WorkspaceExplorerConstants;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 
 
 /**
  * A comparator that sorts the items first by type, folder up others down, the each group alphabetically on the item name. 
  * @author "Federico De Faveri defaveri@isti.cnr.it"
  */
-public class ItemComparator implements Comparator<Item> {
+public class ItemComparator implements Comparator<ItemDTO> {
 
 	/**
 	 * {@inheritDoc}
 	 */
 	@Override
-	public int compare(Item item1, Item item2) {
+	public int compare(ItemDTO item1, ItemDTO item2) {
 
 		//if one of the item is folder and the other one not, we move up the folder
 		boolean isItem1Folder = Util.isFolder(item1.getType());
@@ -36,7 +36,7 @@ public class ItemComparator implements Comparator<Item> {
 		return String.CASE_INSENSITIVE_ORDER.compare(item1.getName(), item2.getName());		
 	}
 
-	private boolean isSpecialFolder(Item item) {
+	private boolean isSpecialFolder(ItemDTO item) {
 //		return item.getName().equals(WorkspaceExplorerConstants.VRE_FOLDERS_LABEL) && item.getParent()!=null && item.getParent().isRoot();
 		return item.getName().equals(WorkspaceExplorerConstants.VRE_FOLDERS_LABEL) && item.isSpecialFolder();
 	}

src/main/java/org/gcube/portlets/widgets/wsexplorer/server/WorkspaceExplorerServiceImpl.java

@@ -3,30 +3,24 @@ package org.gcube.portlets.widgets.wsexplorer.server;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
-import org.gcube.common.homelibary.model.items.type.WorkspaceItemType;
+import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
-import org.gcube.common.homelibrary.home.HomeLibrary;
-import org.gcube.common.homelibrary.home.exceptions.HomeNotFoundException;
-import org.gcube.common.homelibrary.home.exceptions.InternalErrorException;
-import org.gcube.common.homelibrary.home.workspace.Workspace;
-import org.gcube.common.homelibrary.home.workspace.WorkspaceFolder;
-import org.gcube.common.homelibrary.home.workspace.WorkspaceItem;
-import org.gcube.common.homelibrary.home.workspace.WorkspaceSharedFolder;
-import org.gcube.common.homelibrary.home.workspace.exceptions.InsufficientPrivilegesException;
-import org.gcube.common.homelibrary.home.workspace.exceptions.ItemAlreadyExistException;
-import org.gcube.common.homelibrary.home.workspace.exceptions.WorkspaceFolderNotFoundException;
-import org.gcube.common.homelibrary.home.workspace.folder.FolderItem;
 import org.gcube.common.portal.PortalContext;
-import org.gcube.common.scope.api.ScopeProvider;
+import org.gcube.common.storagehub.client.plugins.AbstractPlugin;
+import org.gcube.common.storagehub.client.proxies.WorkspaceManagerClient;
+import org.gcube.common.storagehub.model.items.FolderItem;
+import org.gcube.common.storagehub.model.items.Item;
+import org.gcube.common.storagehub.model.items.SharedFolder;
+import org.gcube.common.storagehub.model.items.VreFolder;
 import org.gcube.portlets.widgets.wsexplorer.client.WorkspaceExplorerConstants;
 import org.gcube.portlets.widgets.wsexplorer.client.rpc.WorkspaceExplorerService;
+import org.gcube.portlets.widgets.wsexplorer.server.stohub.Whorespace;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemCategory;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemDTO;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemInterface;
 import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
 import org.gcube.portlets.widgets.wsexplorer.shared.SearchedFolder;
@@ -47,60 +41,31 @@ import com.google.gwt.user.server.rpc.RemoteServiceServlet;
 public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implements WorkspaceExplorerService {
 
 	public static final Logger logger = LoggerFactory.getLogger(WorkspaceExplorerServiceImpl.class);
-	//public static final String USERNAME_ATTRIBUTE = "username";
-	//public static final String TEST_USER = "test.user";
-	//public static final String TEST_SCOPE = "/gcube"; //DEV
-//	public static final String PRODUCTION_SCOPE = "/d4science.research-infrastructures.eu/gCubeApps"; //PRODUCTION
-
-	/**
-
-	/**
-	 * Gets the workspace.
-	 *
-	 * @return the workspace
-	 * @throws Exception the exception
-	 */
-	protected Workspace getWorkspace() throws Exception	{
-		PortalContext pContext = PortalContext.getConfiguration();
-		Workspace workspace;
-		try{
-			ScopeProvider.instance.set(pContext.getCurrentScope(getThreadLocalRequest()));
-			workspace = HomeLibrary.getUserWorkspace(pContext.getCurrentUser(getThreadLocalRequest()).getUsername());
-		}catch(InternalErrorException | HomeNotFoundException | WorkspaceFolderNotFoundException e){
-			String msg = "Sorry, an error occurred when retrieving workspace item, Refresh an try again";
-			logger.error("HL error: ",e);
-			throw new Exception(msg);
-		}
-		return workspace;
-	}
-
 	/**
 	 * {@inheritDoc}
 	 */
 	@Override
-	public Item getRoot(List<ItemType> showableTypes, boolean purgeEmpyFolders, FilterCriteria filterCriteria) throws WorkspaceNavigatorServiceException {
+	public ItemDTO getRoot(List<ItemType> showableTypes, boolean purgeEmpyFolders, FilterCriteria filterCriteria) throws WorkspaceNavigatorServiceException {
 		logger.trace("getRoot showableTypes: "+showableTypes+" purgeEmpyFolders: "+purgeEmpyFolders+" filterCriteria: "+ filterCriteria);
 
 		try {
+			PortalContext pContext = PortalContext.getConfiguration();
+			String userName = pContext.getCurrentUser(getThreadLocalRequest()).getUsername();
+			String scope = pContext.getCurrentScope(getThreadLocalRequest());
+			String authorizationToken = pContext.getCurrentUserToken(scope, userName);
+			SecurityTokenProvider.instance.set(authorizationToken);
 			
-			Workspace workspace = getWorkspace();
 			logger.trace("Start getRoot...");
-
+			Item root = Whorespace.getRoot(getThreadLocalRequest());
-			WorkspaceItem root = workspace.getRoot();
 
 			logger.trace("GetRoot  - Replyiing root");
 			long startTime = System.currentTimeMillis();
 			logger.trace("start time - " + startTime);
 
-			Item rootItem = ItemBuilder.getItem(null, root, root.getPath(), showableTypes, filterCriteria, true, false);
+			ItemDTO rootItem = ItemBuilder.getItem(null, root, root.getPath(), showableTypes, filterCriteria, true, false);
 			rootItem.setName(WorkspaceExplorerConstants.HOME_LABEL);
 			rootItem.setIsRoot(true);
 
-			/* SPECIAL FOLDERS
-			Item specialFolders = ItemBuilder.getItem(null, specials, showableTypes, filterCriteria, 2);
-			specialFolders.setShared(true);
-			rootItem.addChild(specialFolders);
-			 */
 			if (purgeEmpyFolders) {
 				rootItem = ItemBuilder.purgeEmptyFolders(rootItem);
 			}
@@ -124,20 +89,22 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	 * {@inheritDoc}
 	 */
 	@Override
-	public Item getFolder(ItemInterface item, List<ItemType> showableTypes, boolean purgeEmpyFolders, FilterCriteria filterCriteria, boolean loadGcubeProperties) throws WorkspaceNavigatorServiceException {
+	public ItemDTO getFolder(ItemInterface item, List<ItemType> showableTypes, boolean purgeEmpyFolders, FilterCriteria filterCriteria, boolean loadGcubeProperties) throws WorkspaceNavigatorServiceException {
 		logger.trace("getFolder folderId: "+item.getId()+" showableTypes: "+showableTypes+" purgeEmpyFolders: "+purgeEmpyFolders+" filterCriteria: "+filterCriteria);
 
 		try {
 
-			Workspace workspace = getWorkspace();
+			PortalContext pContext = PortalContext.getConfiguration();
-			WorkspaceItem folder = workspace.getItem(item.getId());
+			String userName = pContext.getCurrentUser(getThreadLocalRequest()).getUsername();
+			String scope = pContext.getCurrentScope(getThreadLocalRequest());
+			String authorizationToken = pContext.getCurrentUserToken(scope, userName);
+			SecurityTokenProvider.instance.set(authorizationToken);	
+			Item folder = Whorespace.getItem(getThreadLocalRequest(), item.getId());
 			logger.trace("GetFolder - Replying folder");
-			long startTime = System.currentTimeMillis();
-			logger.trace("start time - " + startTime);
 			
 			//TO AVOID SLOW CALL getPATH()
 			String folderPath = item.getPath()!=null && !item.getPath().isEmpty()?item.getPath():folder.getPath();
-			Item itemFolder = ItemBuilder.getItem(null, folder, folderPath, showableTypes, filterCriteria, true, loadGcubeProperties);
+			ItemDTO itemFolder = ItemBuilder.getItem(null, folder, folderPath, showableTypes, filterCriteria, true, loadGcubeProperties);
 //			_log.trace("Only showable types:");
 
 			if (purgeEmpyFolders) {
@@ -145,9 +112,6 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 			}
 
 			Collections.sort(itemFolder.getChildren(), new ItemComparator());
-
-			Long endTime = System.currentTimeMillis() - startTime;
-			logger.debug("end time - " + String.format("%d msc %d sec", endTime - startTime, TimeUnit.MILLISECONDS.toSeconds(endTime)));
 			logger.info("Returning children size: "+itemFolder.getChildren().size());
 
 			return itemFolder;
@@ -169,28 +133,34 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	 * @throws WorkspaceNavigatorServiceException the workspace navigator service exception
 	 */
 	@Override
-	public Item getItemByCategory(ItemCategory category) throws WorkspaceNavigatorServiceException{
+	public ItemDTO getItemByCategory(ItemCategory category) throws WorkspaceNavigatorServiceException{
 		logger.trace("GetItemByCategory category: "+category);
+		PortalContext pContext = PortalContext.getConfiguration();
+		String userName = pContext.getCurrentUser(getThreadLocalRequest()).getUsername();
+		String scope = pContext.getCurrentScope(getThreadLocalRequest());
+		String authorizationToken = pContext.getCurrentUserToken(scope, userName);
+		SecurityTokenProvider.instance.set(authorizationToken);
+
 		try {
-			Workspace workspace = getWorkspace();
+	
-			Item item = null;
+			ItemDTO item = null;
 
 			switch(category){
 				case HOME:{
-					WorkspaceItem root = workspace.getRoot();
+					Item root = Whorespace.getRoot(getThreadLocalRequest());
-					PortalContext pContext = PortalContext.getConfiguration();
 					String fullName = pContext.getCurrentUser(getThreadLocalRequest()).getFullname();
 					if(fullName.indexOf(" ")>0){
 						fullName = fullName.substring(0, fullName.indexOf(" "));
 					}else if(fullName.indexOf(".")>0){
 						fullName = fullName.substring(0, fullName.indexOf("."));
 					}
-					item = new Item(null, root.getId(), fullName+"'s", ItemType.FOLDER, root.getPath(), root.getOwner().getPortalLogin(), null, true, true);
+					item = new ItemDTO(null, root.getId(), fullName+"'s", ItemType.FOLDER, root.getPath(), root.getOwner(), null, true, true);
 					break;
 				}
 				case VRE_FOLDER:{
-					WorkspaceItem folder = workspace.getMySpecialFolders();
+					String vreFolderId = Whorespace.getVREFoldersId(getThreadLocalRequest());
-					item = new Item(null, folder.getId(), WorkspaceExplorerConstants.VRE_FOLDERS_LABEL, ItemType.FOLDER, folder.getPath(), folder.getOwner().getPortalLogin(), null, true, false);
+					Item folder = Whorespace.getItem(getThreadLocalRequest(), vreFolderId);
+					item = new ItemDTO(null, folder.getId(), WorkspaceExplorerConstants.VRE_FOLDERS_LABEL, ItemType.FOLDER, folder.getPath(), folder.getOwner(), null, true, false);
 					//SET SPECIAL FOLDER  /Workspace/MySpecialFolders
 					item.setSpecialFolder(true);
 					break;
@@ -207,18 +177,22 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	 * {@inheritDoc}
 	 */
 	@Override
-	public Item getMySpecialFolder(List<ItemType> showableTypes, boolean purgeEmpyFolders, FilterCriteria filterCriteria) throws WorkspaceNavigatorServiceException {
+	public ItemDTO getMySpecialFolder(List<ItemType> showableTypes, boolean purgeEmpyFolders, FilterCriteria filterCriteria) throws WorkspaceNavigatorServiceException {
 		logger.trace("GetMySpecialFolder showableTypes: "+showableTypes+" purgeEmpyFolders: "+purgeEmpyFolders+" filterCriteria: "+filterCriteria);
 
 		try {
-
+			PortalContext pContext = PortalContext.getConfiguration();
-			Workspace workspace = getWorkspace();
+			String userName = pContext.getCurrentUser(getThreadLocalRequest()).getUsername();
-			WorkspaceItem folder = workspace.getMySpecialFolders();
+			String scope = pContext.getCurrentScope(getThreadLocalRequest());
+			String authorizationToken = pContext.getCurrentUserToken(scope, userName);
+			SecurityTokenProvider.instance.set(authorizationToken);
+			String vreFolderId = Whorespace.getVREFoldersId(getThreadLocalRequest());
+			Item folder = Whorespace.getItem(getThreadLocalRequest(), vreFolderId);
 
 			long startTime = System.currentTimeMillis();
 			logger.trace("start time - " + startTime);
 
-			Item itemFolder = ItemBuilder.getItem(null, folder, folder.getPath(), showableTypes, filterCriteria, true, false);
+			ItemDTO itemFolder = ItemBuilder.getItem(null, folder, folder.getPath(), showableTypes, filterCriteria, true, false);
 			//OVERRIDING VRE FOLDERS NAME - SET SPECIAL FOLDER  /Workspace/MySpecialFolders
 			itemFolder.setName(WorkspaceExplorerConstants.VRE_FOLDERS_LABEL);
 			itemFolder.setSpecialFolder(true);
@@ -254,15 +228,8 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	 */
 	@Override
 	public boolean checkName(String name) throws WorkspaceNavigatorServiceException {
-		logger.trace("checkName name: "+name);
+		logger.warn("checkName name NOT IMPLEMENTED: "+name);
-		try {
+		return true; //TODO:
-			PortalContext pContext = PortalContext.getConfiguration();
-			Workspace workspace = HomeLibrary.getUserWorkspace(pContext.getCurrentUser(getThreadLocalRequest()).getUsername());
-			return workspace.isValidName(name);
-		} catch (Exception e) {
-			logger.error("Error during folder retrieving", e);
-			throw new WorkspaceNavigatorServiceException(e.getMessage());
-		}
 	}
 
 	/*protected void printName(String indentation, Item item)
@@ -282,38 +249,42 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	 * @throws Exception the exception
 	 */
 	@Override
-	public List<Item> getBreadcrumbsByItemIdentifier(String itemIdentifier, boolean includeItemAsParent) throws Exception {
+	public List<ItemDTO> getBreadcrumbsByItemIdentifier(String itemIdentifier, boolean includeItemAsParent) throws Exception {
 		logger.trace("ListParents By Item Identifier "+ itemIdentifier);
 		try {
 
-			Workspace workspace = getWorkspace();
+			Item wsItem = Whorespace.getItem(getThreadLocalRequest(), itemIdentifier);
-			WorkspaceItem wsItem = workspace.getItem(itemIdentifier);
 			logger.trace("workspace retrieve item name: "+wsItem.getName());
-			List<WorkspaceItem> parents = workspace.getParentsById(itemIdentifier);
+			List<Item> parents = new ArrayList<>();		
+			Item whileItem = wsItem;
+			while (whileItem.getParentId() != null) {
+				parents.add(whileItem);
+				whileItem = Whorespace.getItem(getThreadLocalRequest(), whileItem.getParentId());
+			}
+		//	List<Item> parents = workspace.getParentsById(itemIdentifier);
 			logger.trace("parents size: "+parents.size());
-			Item[] arrayParents;
+			ItemDTO[] arrayParents;			
-
+			if(includeItemAsParent==true && wsItem instanceof FolderItem){
-			if(includeItemAsParent==true && wsItem.isFolder()){
+				arrayParents = new ItemDTO[parents.size()];
-				arrayParents = new Item[parents.size()];
+				arrayParents[parents.size()-1] = ItemBuilder.buildFolderForBreadcrumbs((FolderItem) wsItem, null);
-				arrayParents[parents.size()-1] = ItemBuilder.buildFolderForBreadcrumbs((WorkspaceFolder) wsItem, null);
 			}
 			else {
-				arrayParents = new Item[parents.size()-1];
+				arrayParents = new ItemDTO[parents.size()-1];
 			}
 
 			/** HANDLE MY_SPECIAL_FOLDER TO AVOID COMPLETE PATH WORKSPACE/MY_SPECIAL_FOLDER
 			 * BUT RETURNING ONLY /MY_SPECIAL_FOLDER
 			 */
-			if(wsItem.isFolder()){
+			if(wsItem instanceof FolderItem){
-				if(ItemBuilder.isSpecialFolder((WorkspaceFolder) wsItem)){
+				if(ItemBuilder.isSpecialFolder((FolderItem) wsItem)){
-					return new ArrayList<Item>(Arrays.asList(arrayParents));
+					return new ArrayList<ItemDTO>(Arrays.asList(arrayParents));
 				}
 			}
 
 			//CONVERTING PATH
 			logger.trace("converting path from second-last..");
 			for (int i =  parents.size()-2; i >= 0; i--) {
-				WorkspaceFolder wsParentFolder = (WorkspaceFolder) parents.get(i);
+				FolderItem wsParentFolder = (FolderItem) parents.get(i);
 				arrayParents[i] = ItemBuilder.buildFolderForBreadcrumbs(wsParentFolder, null);
 				if(arrayParents[i].isSpecialFolder()){ //SKIP HOME PARENT FOR MY_SPECIAL_FOLDER
 					logger.info("arrayParents index "+i+" is special folder, exit");
@@ -325,21 +296,21 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 			logger.trace("setting parents..");
 			for(int i=0; i<arrayParents.length-1; i++){
 
-				Item parent = arrayParents[i];
+				ItemDTO parent = arrayParents[i];
-				Item fileModel = arrayParents[i+1];
+				ItemDTO fileModel = arrayParents[i+1];
 				fileModel.setParent(parent);
 			}
 
 			logger.trace("ListParents return size: "+arrayParents.length);
 			if(arrayParents[0]==null){ //EXIT BY BREAK IN CASE OF SPECIAL FOLDER
-				List<Item> breadcrumbs = new ArrayList<Item>(arrayParents.length-1);
+				List<ItemDTO> breadcrumbs = new ArrayList<ItemDTO>(arrayParents.length-1);
 				for (int i=1; i<arrayParents.length; i++) {
 					breadcrumbs.add(arrayParents[i]);
 				}
 				return breadcrumbs;
 			}
 			else {
-				return new ArrayList<Item>(Arrays.asList(arrayParents));
+				return new ArrayList<ItemDTO>(Arrays.asList(arrayParents));
 			}
 
 		} catch (Exception e) {
@@ -358,23 +329,29 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	 * @throws Exception             the exception
 	 */
 	@Override
-	public List<Item> getBreadcrumbsByItemIdentifierToParentLimit(String itemIdentifier, String parentLimit, boolean includeItemAsParent) throws Exception {
+	public List<ItemDTO> getBreadcrumbsByItemIdentifierToParentLimit(String itemIdentifier, String parentLimit, boolean includeItemAsParent) throws Exception {
 		logger.trace("getBreadcrumbsByItemIdentifierToParentLimit by Item Identifier " + itemIdentifier +" and limit: "+parentLimit);
 		try {
 
-			Workspace workspace = getWorkspace();
+			Item wsItem = Whorespace.getItem(getThreadLocalRequest(), itemIdentifier);
-			WorkspaceItem wsItem = workspace.getItem(itemIdentifier);
 			logger.trace("workspace retrieve item name: "+wsItem.getName());
-			List<WorkspaceItem> parents = workspace.getParentsById(itemIdentifier);
+			List<Item> parents = new ArrayList<>();		
+			Item whileItem = wsItem;
+			while (whileItem.getParentId() != null) {
+				parents.add(whileItem);
+				whileItem = Whorespace.getItem(getThreadLocalRequest(), whileItem.getParentId());
+			}
+			logger.trace("workspace retrieve item name: "+wsItem.getName());
+			//List<WorkspaceItem> parents = workspace.getParentsById(itemIdentifier);
 			logger.trace("parents size: "+parents.size());
-			Item[] arrayParents;
+			ItemDTO[] arrayParents;
 
-			if(includeItemAsParent==true && wsItem.isFolder()){
+			if(includeItemAsParent==true &&  wsItem instanceof FolderItem){
-				arrayParents = new Item[parents.size()];
+				arrayParents = new ItemDTO[parents.size()];
-				arrayParents[parents.size()-1] = ItemBuilder.buildFolderForBreadcrumbs((WorkspaceFolder) wsItem, null);
+				arrayParents[parents.size()-1] = ItemBuilder.buildFolderForBreadcrumbs((FolderItem) wsItem, null);
 			}
 			else {
-				arrayParents = new Item[parents.size()-1];
+				arrayParents = new ItemDTO[parents.size()-1];
 			}
 
 			parentLimit = parentLimit!=null?parentLimit:"";
@@ -382,15 +359,15 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 			/** HANDLE MY_SPECIAL_FOLDER TO AVOID COMPLETE PATH WORKSPACE/MY_SPECIAL_FOLDER
 			 * BUT RETURNING ONLY /MY_SPECIAL_FOLDER
 			 */
-			if(wsItem.isFolder()){
+			if( wsItem instanceof FolderItem){
-				if(ItemBuilder.isSpecialFolder((WorkspaceFolder) wsItem)){
+				if(ItemBuilder.isSpecialFolder((FolderItem) wsItem)){
 					logger.debug("item id is special folder, returning");
-					return new ArrayList<Item>(Arrays.asList(arrayParents));
+					return new ArrayList<ItemDTO>(Arrays.asList(arrayParents));
 				}
 
 				if(itemIdentifier.compareTo(parentLimit)==0){
 					logger.debug("item and parent limit are identical element, returning");
-					return new ArrayList<Item>(Arrays.asList(arrayParents));
+					return new ArrayList<ItemDTO>(Arrays.asList(arrayParents));
 				}
 
 			}
@@ -398,7 +375,7 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 			//CONVERTING PATH
 			logger.trace("converting path from second-last..");
 			for (int i =  parents.size()-2; i >= 0; i--) {
-				WorkspaceFolder wsParentFolder = (WorkspaceFolder) parents.get(i);
+				FolderItem wsParentFolder = (FolderItem) parents.get(i);
 				arrayParents[i] = ItemBuilder.buildFolderForBreadcrumbs(wsParentFolder, null);
 				if(arrayParents[i].isSpecialFolder()){ //SKIP HOME PARENT FOR MY_SPECIAL_FOLDER
 					logger.info("arrayParents index "+i+" is special folder, break");
@@ -413,8 +390,8 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 			logger.trace("setting parents..");
 			for(int i=0; i<arrayParents.length-1; i++){
 
-				Item parent = arrayParents[i];
+				ItemDTO parent = arrayParents[i];
-				Item fileModel = arrayParents[i+1];
+				ItemDTO fileModel = arrayParents[i+1];
 
 				if(fileModel!=null) {
 					fileModel.setParent(parent);
@@ -423,7 +400,7 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 
 			logger.trace("ListParents return size: "+arrayParents.length);
 			if(arrayParents[0]==null){ //EXIT BY BREAK IN CASE OF SPECIAL FOLDER OR REACHED PARENT LIMIT
-				List<Item> breadcrumbs = new ArrayList<Item>();
+				List<ItemDTO> breadcrumbs = new ArrayList<ItemDTO>();
 				for (int i=1; i<arrayParents.length; i++) {
 					if(arrayParents[i]!=null) {
 						breadcrumbs.add(arrayParents[i]);
@@ -432,7 +409,7 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 				return breadcrumbs;
 			}
 			else {
-				return new ArrayList<Item>(Arrays.asList(arrayParents));
+				return new ArrayList<ItemDTO>(Arrays.asList(arrayParents));
 			}
 
 		} catch (Exception e) {
@@ -453,31 +430,32 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	 */
 	@Override
 	public Long getSizeByItemId(String itemId) throws Exception {
-
+		//TODO: implementation missing
-		logger.info("get Size By ItemId "+ itemId);
+		return 0L;
-		try {
+//		logger.info("get Size By ItemId "+ itemId);
-
+//		try {
-			Workspace workspace = getWorkspace();
+//
-			WorkspaceItem wsItem = workspace.getItem(itemId);
+//			Workspace workspace = getWorkspace();
-			Long size = new Long(-1);
+//			WorkspaceItem wsItem = workspace.getItem(itemId);
-
+//			Long size = new Long(-1);
-			if(wsItem instanceof FolderItem){ //ITEM
+//
-				FolderItem folderItem = (FolderItem) wsItem;
+//			if(wsItem instanceof FolderItem){ //ITEM
-				size = new Long(folderItem.getLength());
+//				FolderItem folderItem = (FolderItem) wsItem;
-			} else if (wsItem instanceof WorkspaceFolder ){ //FOLDER
+//				size = new Long(folderItem.getLength());
-				WorkspaceFolder theFolder = (WorkspaceFolder) wsItem;
+//			} else if (wsItem instanceof WorkspaceFolder ){ //FOLDER
-				size = theFolder.getSize();
+//				WorkspaceFolder theFolder = (WorkspaceFolder) wsItem;
-			} else if (wsItem instanceof WorkspaceSharedFolder){ //SHARED FOLDER
+//				size = theFolder.getSize();
-				WorkspaceSharedFolder theFolder = (WorkspaceSharedFolder) wsItem;
+//			} else if (wsItem instanceof WorkspaceSharedFolder){ //SHARED FOLDER
-				size = theFolder.getSize();
+//				WorkspaceSharedFolder theFolder = (WorkspaceSharedFolder) wsItem;
-			}
+//				size = theFolder.getSize();
-			logger.info("returning size: " +size);
+//			}
-			return size;
+//			logger.info("returning size: " +size);
-
+//			return size;
-		} catch (Exception e) {
+//
-			logger.error("get Size By ItemId ", e);
+//		} catch (Exception e) {
-			throw new Exception(e.getMessage());
+//			logger.error("get Size By ItemId ", e);
-		}
+//			throw new Exception(e.getMessage());
+//		}
 	}
 
 	/* (non-Javadoc)
@@ -495,17 +473,17 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 
 		logger.info("get MimeType By ItemId "+ itemId);
 		try {
+			Item wsItem = Whorespace.getItem(getThreadLocalRequest(), itemId);
+			logger.trace("workspace retrieve item name: "+wsItem.getName());
 	
-			Workspace workspace = getWorkspace();
-			WorkspaceItem wsItem = workspace.getItem(itemId);
 
-			if(!wsItem.getType().equals(WorkspaceItemType.FOLDER_ITEM)) {
+			if(! (wsItem instanceof FolderItem)) {
 				return null;
 			}
 
 			FolderItem folderItem = (FolderItem) wsItem;
-
+			//TODO:folderItem.getMimeType(); 
-			return folderItem.getMimeType();
+			return "unknown";
 
 		} catch (Exception e) {
 			logger.error("get MimeType By ItemId ", e);
@@ -525,14 +503,14 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	public String getUserACLForFolderId(String folderId) throws Exception{
 		try {
 			logger.info("Get user ACL to FOLDER id: "+folderId);
-			Workspace workspace = getWorkspace();
+			Item wsItem = Whorespace.getItem(getThreadLocalRequest(), folderId);
-			WorkspaceItem wsItem = workspace.getItem(folderId);
+			logger.trace("workspace retrieve item name: "+wsItem.getName());
 
 			if(!isASharedFolder(wsItem, false)) {
 				return "OWNER";
 			}
 			else {
-				return wsItem.getACLUser().toString();
+				return "NOT IMPLEMENTED";//TODO
 			}
 		} catch (Exception e) {
 			logger.error("Error in server get UserACLForFolderId", e);
@@ -549,16 +527,15 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	 * @param asRoot the as root
 	 * @return true, if is a shared folder
 	 */
-	private boolean isASharedFolder(WorkspaceItem item, boolean asRoot){
+	private boolean isASharedFolder(Item item, boolean asRoot){
 		try {
-
+			if (item instanceof SharedFolder || item instanceof VreFolder) {
-			if(item!=null && item.isFolder() && item.isShared()){ //IS A SHARED SUB-FOLDER
+				SharedFolder folder = (SharedFolder) item;
-				if(asRoot)
+				if (folder.isVreFolder())
-				 {
+					return true;
-					return item.getType().equals(WorkspaceItemType.SHARED_FOLDER); //IS ROOT?
-				}
-
 				return true;
+			} else if (item instanceof FolderItem) {
+				return false;
 			}
 			return false;
 		}catch(Exception e){
@@ -601,61 +578,62 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	 * @throws Exception the exception
 	 */
 	@Override
-	public Item createFolder(String nameFolder, String description, String parentId) throws Exception {
+	public ItemDTO createFolder(String nameFolder, String description, String parentId) throws Exception {
 
 		logger.debug("creating folder: "+nameFolder +", parent id: "+parentId);
-
+		//TODO
-		try {
+		return null;
-
+//		try {
-			if(parentId==null || parentId.isEmpty())
+//
-				throw new Exception("Parent id is null or empty");
+//			if(parentId==null || parentId.isEmpty())
-
+//				throw new Exception("Parent id is null or empty");
-			if(nameFolder == null)
+//
-				nameFolder = "Empty Folder";
+//			if(nameFolder == null)
-
+//				nameFolder = "Empty Folder";
-			Workspace workspace = getWorkspace();
+//
-			WorkspaceFolder wsFolder = workspace.createFolder(nameFolder, description, parentId);
+//			Workspace workspace = getWorkspace();
-
+//			WorkspaceFolder wsFolder = workspace.createFolder(nameFolder, description, parentId);
-//			_log.info("Path returned by HL: "+wsFolder.getPath());
+//
-
+////			_log.info("Path returned by HL: "+wsFolder.getPath());
-			List<ItemType> allTypes = Arrays.asList(ItemType.values());
+//
-
+//			List<ItemType> allTypes = Arrays.asList(ItemType.values());
-			Item parent = null;
+//
-			try{
+//			ItemDTO parent = null;
-				String parentPath = wsFolder.getParent()!=null?wsFolder.getParent().getPath():"";
+//			try{
-				parent = ItemBuilder.getItem(null, wsFolder.getParent(), parentPath, allTypes, null, false, false);
+//				String parentPath = wsFolder.getParent()!=null?wsFolder.getParent().getPath():"";
-			}catch(Exception e){
+//				parent = ItemBuilder.getItem(null, wsFolder.getParent(), parentPath, allTypes, null, false, false);
-				logger.error("Get parent thown an exception, is it the root id? "+parentId);
+//			}catch(Exception e){
-			}
+//				logger.error("Get parent thown an exception, is it the root id? "+parentId);
-
+//			}
-			//TODO PATCH TO AVOID PROBLEM ON GETPATH. FOR EXAMPLE WHEN PARENT IS ROOT
+//
-			String itemPath = null;
+//			//TODO PATCH TO AVOID PROBLEM ON GETPATH. FOR EXAMPLE WHEN PARENT IS ROOT
-			try{
+//			String itemPath = null;
-				itemPath = wsFolder.getPath();
+//			try{
-				logger.info("itemPath: "+itemPath);
+//				itemPath = wsFolder.getPath();
-			}catch(Exception e){
+//				logger.info("itemPath: "+itemPath);
-				logger.error("Get path thrown an exception, for id: "+wsFolder.getId() +" name: "+wsFolder.getName(), e);
+//			}catch(Exception e){
-//				itemPath= wsFolder.isFolder()?workspace.getRoot().getPath()+"/"+wsFolder.getName():workspace.getRoot().getPath();
+//				logger.error("Get path thrown an exception, for id: "+wsFolder.getId() +" name: "+wsFolder.getName(), e);
-				//PATCH TO RETURN ABSOLUTE PATH
+////				itemPath= wsFolder.isFolder()?workspace.getRoot().getPath()+"/"+wsFolder.getName():workspace.getRoot().getPath();
-				itemPath= workspace.getRoot().getPath()+"/"+wsFolder.getName();
+//				//PATCH TO RETURN ABSOLUTE PATH
-				logger.warn("returning base path: "+itemPath);
+//				itemPath= workspace.getRoot().getPath()+"/"+wsFolder.getName();
-			}
+//				logger.warn("returning base path: "+itemPath);
-
+//			}
-			return ItemBuilder.getItem(parent, wsFolder, itemPath, allTypes, null, false, false);
+//
-
+//			return ItemBuilder.getItem(parent, wsFolder, itemPath, allTypes, null, false, false);
-		} catch(InsufficientPrivilegesException e){
+//
-			String error = "Insufficient Privileges to create the folder";
+//		} catch(InsufficientPrivilegesException e){
-			logger.error(error, e);
+//			String error = "Insufficient Privileges to create the folder";
-			throw new Exception(error);
+//			logger.error(error, e);
-		} catch (ItemAlreadyExistException e) {
+//			throw new Exception(error);
-			String error = "An error occurred on creating folder, "  +e.getMessage();
+//		} catch (ItemAlreadyExistException e) {
-			logger.error(error, e);
+//			String error = "An error occurred on creating folder, "  +e.getMessage();
-			throw new Exception(error);
+//			logger.error(error, e);
-		} catch (Exception e) {
+//			throw new Exception(error);
-			String error = "An error occurred on the sever during creating folder. Try again";
+//		} catch (Exception e) {
-			logger.error(error, e);
+//			String error = "An error occurred on the sever during creating folder. Try again";
-			throw new Exception(error);
+//			logger.error(error, e);
-		}
+//			throw new Exception(error);
+//		}
 
 	}
 
@@ -673,22 +651,24 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	@Override
 	public Map<String, String> getGcubePropertiesForWorspaceId(String id) throws Exception {
 		logger.trace("getGcubePropertiesForWorspaceId "+id);
-		try {
+		//TODO
-
+				return null;
-			if(id==null || id.isEmpty()){
+//		try {
-				logger.info(id +" is null or empty returing empty map as GcubeProperties");
+//
-				return new HashMap<String, String>(1);
+//			if(id==null || id.isEmpty()){
-			}
+//				logger.info(id +" is null or empty returing empty map as GcubeProperties");
-
+//				return new HashMap<String, String>(1);
-			Workspace workspace = getWorkspace();
+//			}
-			WorkspaceItem item = workspace.getItem(id);
+//
-
+//			Workspace workspace = getWorkspace();
-			return ItemBuilder.getGcubePropertiesForItem(item);
+//			WorkspaceItem item = workspace.getItem(id);
-
+//
-		} catch (Exception e) {
+//			return ItemBuilder.getGcubePropertiesForItem(item);
-			logger.error("Error during folder retrieving", e);
+//
-			throw new WorkspaceNavigatorServiceException("Sorry, an error occurred when performing get folder");
+//		} catch (Exception e) {
-		}
+//			logger.error("Error during folder retrieving", e);
+//			throw new WorkspaceNavigatorServiceException("Sorry, an error occurred when performing get folder");
+//		}
 	}
 
 	/* (non-Javadoc)
@@ -696,7 +676,7 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	 */
 	@Override
 	public SearchedFolder getFolder(
-		Item item, List<ItemType> showableTypes, boolean purgeEmpyFolders,
+		ItemDTO item, List<ItemType> showableTypes, boolean purgeEmpyFolders,
 		FilterCriteria filterCriteria, boolean loadGcubeProperties,
 		final int startIndex, final int limit, final int serverStartIndex) throws WorkspaceNavigatorServiceException {
 
@@ -704,8 +684,8 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 
 		try {
 
-			Workspace workspace = getWorkspace();
+			Item folder = Whorespace.getItem(getThreadLocalRequest(), item.getId());
-			WorkspaceItem folder = workspace.getItem(item.getId());
+			
 			int searchStartIndex = startIndex < serverStartIndex? serverStartIndex : startIndex;
 			//logger.trace("GetFolder - Replyiing folder");
 			logger.debug("MyLg getFolder searchIndex: "+searchStartIndex+", limit: "+limit);
@@ -714,14 +694,14 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 
 			//TO AVOID SLOW CALL getPATH()
 			String folderPath = item.getPath()!=null && !item.getPath().isEmpty()?item.getPath():folder.getPath();
-			Item itemFolderToReturn = ItemBuilder.getItem(null, folder, folderPath, showableTypes, filterCriteria, true, loadGcubeProperties, searchStartIndex, limit);
+			ItemDTO itemFolderToReturn = ItemBuilder.getItem(null, folder, folderPath, showableTypes, filterCriteria, true, loadGcubeProperties, searchStartIndex, limit);
 
 			SearchedFolder sf = new SearchedFolder(itemFolderToReturn, startIndex, limit, searchStartIndex, false);
 			int currentListCount = sf.getFolder().getChildren().size();
 			logger.debug("MyLg Total item returning is: "+currentListCount);
 
-			WorkspaceFolder hlFolder = (WorkspaceFolder) folder;
+			FolderItem hlFolder = (FolderItem) folder;
-			int folderChildrenCount = hlFolder.getChildrenCount(false);
+			int folderChildrenCount = Whorespace.getItemChildrenCount(getThreadLocalRequest(), hlFolder.getId());
 			logger.debug("MyLg Folder children count is: "+folderChildrenCount);
 
 			if(currentListCount == limit || folderChildrenCount==0){
@@ -733,7 +713,7 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 				return sf;
 			}
 
-			ArrayList<Item> childrenToReturn = new ArrayList<Item>(limit);
+			ArrayList<ItemDTO> childrenToReturn = new ArrayList<ItemDTO>(limit);
 			childrenToReturn.addAll(sf.getFolder().getChildren());
 
 			int offsetStartIndex = searchStartIndex;
@@ -748,7 +728,7 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 				if(newstartIndex < folderChildrenCount){
 					//newLimit = limit - childrenToReturn.size();
 					logger.debug("MyLg getting items with index start: "+newstartIndex + ", limit: "+limit);
-					Item newItemFolder = ItemBuilder.getItem(null, folder, folderPath, showableTypes, filterCriteria, true, loadGcubeProperties, newstartIndex, limit);
+					ItemDTO newItemFolder = ItemBuilder.getItem(null, folder, folderPath, showableTypes, filterCriteria, true, loadGcubeProperties, newstartIndex, limit);
 					int diff = limit - currentListCount; //How items are remaining
 					//int offset = 0;
 					logger.debug("MyLg new search start: "+newstartIndex + ", diff: "+diff+ ", retrieved: "+newItemFolder.getChildren().size());
@@ -800,31 +780,11 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 		}
 	}
 
-	/* (non-Javadoc)
+	
-	 * @see org.gcube.portlets.widgets.wsexplorer.client.rpc.WorkspaceExplorerService#getFolderChildrenCount(org.gcube.portlets.widgets.wsexplorer.shared.Item)
-	 */
 	@Override
-	public int getFolderChildrenCount(Item item) throws WorkspaceNavigatorServiceException {
+	public int getFolderChildrenCount(ItemDTO item){
-
+		return Whorespace.getItemChildrenCount(getThreadLocalRequest(), item.getId());
-		try {
-
-			Workspace workspace = getWorkspace();
-			WorkspaceItem wsItem = workspace.getItem(item.getId());
-
-			if(wsItem.isFolder()){
-				WorkspaceFolder folder = (WorkspaceFolder) wsItem;
-				 int count = folder.getChildrenCount(false);
-				//count = folder.getChildrenCount();
-				logger.debug("returning children count time - " + count);
-				//return count = 100;
-				return count;
-			}
-
-			return 0;
-
-		} catch (Exception e) {
-			logger.error("Error during folder retrieving", e);
-			throw new WorkspaceNavigatorServiceException("Sorry, an error occurred when performing get count on folder children");
-		}
 	}
+	
+	
 }

src/main/java/org/gcube/portlets/widgets/wsexplorer/server/stohub/AuthorizedUser.java

@@ -0,0 +1,45 @@
+package org.gcube.portlets.widgets.wsexplorer.server.stohub;
+
+import org.gcube.vomanagement.usermanagement.model.GCubeUser;
+
+public class AuthorizedUser {
+	private GCubeUser user;
+	private String token;
+	private String context;
+	public AuthorizedUser(GCubeUser user, String token, String context) {
+		super();
+		this.user = user;
+		this.token = token;
+		this.context = context;
+	}
+	public GCubeUser getUser() {
+		return user;
+	}
+	public void setUser(GCubeUser user) {
+		this.user = user;
+	}
+	public String getSecurityToken() {
+		return token;
+	}
+	public void setSecurityToken(String token) {
+		this.token = token;
+	}
+	public String getContext() {
+		return context;
+	}
+	public void setContext(String context) {
+		this.context = context;
+	}
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		builder.append("AuthorizedUser [user=");
+		builder.append(user);
+		builder.append(", token=");
+		builder.append(token);
+		builder.append(", context=");
+		builder.append(context);
+		builder.append("]");
+		return builder.toString();
+	}	
+}

src/main/java/org/gcube/portlets/widgets/wsexplorer/server/stohub/Whorespace.java

@@ -0,0 +1,88 @@
+package org.gcube.portlets.widgets.wsexplorer.server.stohub;
+
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
+import org.gcube.common.portal.PortalContext;
+import org.gcube.common.scope.api.ScopeProvider;
+import org.gcube.common.storagehub.client.plugins.AbstractPlugin;
+import org.gcube.common.storagehub.client.proxies.ItemManagerClient;
+import org.gcube.common.storagehub.client.proxies.WorkspaceManagerClient;
+import org.gcube.common.storagehub.model.items.Item;
+
+import com.liferay.portal.kernel.log.Log;
+import com.liferay.portal.kernel.log.LogFactoryUtil;
+
+
+public class Whorespace {
+	private static Log _log = LogFactoryUtil.getLog(Whorespace.class);
+	public static final String ACCOUNTING_HL_NODE_NAME = "hl:accounting";
+
+	public static Item getRoot(HttpServletRequest request) {
+		PortalContext pContext = PortalContext.getConfiguration();
+		String userName = pContext.getCurrentUser(request).getUsername();
+		String scope = pContext.getCurrentScope(request);
+		String authorizationToken = pContext.getCurrentUserToken(scope, userName);
+		ScopeProvider.instance.set(scope);
+		SecurityTokenProvider.instance.set(authorizationToken);
+		WorkspaceManagerClient client = AbstractPlugin.workspace().build();
+		Item itemRoot = client.getWorkspace(ACCOUNTING_HL_NODE_NAME);
+		return itemRoot;
+	}
+	
+	public static Item getItem(HttpServletRequest request, String itemId) {
+		PortalContext pContext = PortalContext.getConfiguration();
+		String userName = pContext.getCurrentUser(request).getUsername();
+		String scope = pContext.getCurrentScope(request);
+		String authorizationToken = pContext.getCurrentUserToken(scope, userName);
+		ScopeProvider.instance.set(scope);
+		SecurityTokenProvider.instance.set(authorizationToken);
+		ItemManagerClient client = AbstractPlugin.item().build();
+		Item toReturn = client.get(itemId, ACCOUNTING_HL_NODE_NAME);
+		return toReturn;
+	}
+	
+	/**
+	 * 
+	 * @param request
+	 * @return the VRE Folders Id
+	 */
+	public static String getVREFoldersId(HttpServletRequest request) {
+		PortalContext pContext = PortalContext.getConfiguration();
+		String userName = pContext.getCurrentUser(request).getUsername();
+		String scope = pContext.getCurrentScope(request);
+		String authorizationToken = pContext.getCurrentUserToken(scope, userName);
+		ScopeProvider.instance.set(scope);
+		SecurityTokenProvider.instance.set(authorizationToken);
+		String toReturn = "";
+		try {
+			WorkspaceManagerClient wsclient = AbstractPlugin.workspace().build();
+			try {
+				List<? extends Item> list = wsclient.getVreFolders("hl:accounting");
+				toReturn =list.iterator().next().getParentId();
+			} catch (Exception e) {
+				_log.info("This user has no VRE Folders", e);
+				return null;
+			}			
+		}catch (Exception e) {
+			e.printStackTrace();
+		}
+		return toReturn;
+	}
+	
+	/**
+	 * 
+	 */
+	public static int getItemChildrenCount(HttpServletRequest request, String itemId) {
+		PortalContext pContext = PortalContext.getConfiguration();
+		String userName = pContext.getCurrentUser(request).getUsername();
+		String scope = pContext.getCurrentScope(request);
+		String authorizationToken = pContext.getCurrentUserToken(scope, userName);
+		ScopeProvider.instance.set(scope);
+		SecurityTokenProvider.instance.set(authorizationToken);
+		ItemManagerClient client = AbstractPlugin.item().build();
+		return client.childrenCount(itemId);
+	}
+}

src/main/java/org/gcube/portlets/widgets/wsexplorer/shared/ItemDTO.java

@@ -16,15 +16,15 @@ import com.google.gwt.user.client.rpc.IsSerializable;
  * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
  * Dec 2, 2015
  */
-public class Item implements IsSerializable, ItemInterface{
+public class ItemDTO implements IsSerializable, ItemInterface{
 
-	protected Item parent;
+	protected ItemDTO parent;
 	protected String id;
 
 	protected String name;
 	protected ItemType type;
 	protected String path;
-	protected ArrayList<Item> children;
+	protected ArrayList<ItemDTO> children;
 	private String owner;
 	private boolean isFolder;
 	private boolean isSpecialFolder = false;
@@ -37,7 +37,7 @@ public class Item implements IsSerializable, ItemInterface{
 	/**
 	 * Instantiates a new item.
 	 */
-	public Item() {
+	public ItemDTO() {
 	}
 	/**
 	 * Instantiates a new item.
@@ -46,12 +46,12 @@ public class Item implements IsSerializable, ItemInterface{
 	 * @param name the name
 	 * @param isFolder the is folder
 	 */
-	public Item(String id, String name, boolean isFolder) {
+	public ItemDTO(String id, String name, boolean isFolder) {
 		this.id = id;
 		this.isFolder = isFolder;
 		this.name = name;
 		this.type = isFolder?ItemType.FOLDER:ItemType.UNKNOWN_TYPE;
-		this.children = new ArrayList<Item>();
+		this.children = new ArrayList<ItemDTO>();
 	}
 
 
@@ -68,7 +68,7 @@ public class Item implements IsSerializable, ItemInterface{
 	 * @param isFolder the is folder
 	 * @param isRoot the is root
 	 */
-	public Item(Item parent, String id, String name, ItemType type, String path, String owner, Date creationDate, boolean isFolder, boolean isRoot) {
+	public ItemDTO(ItemDTO parent, String id, String name, ItemType type, String path, String owner, Date creationDate, boolean isFolder, boolean isRoot) {
 		this(parent, id, name, type, path, owner, isFolder, isRoot);
 		this.creationDate = creationDate;
 	}
@@ -86,12 +86,12 @@ public class Item implements IsSerializable, ItemInterface{
 	 * @param isFolder the is folder
 	 * @param isRoot the is root
 	 */
-	public Item(Item parent, String id, String name, ItemType type, String path, String owner, boolean isFolder, boolean isRoot) {
+	public ItemDTO(ItemDTO parent, String id, String name, ItemType type, String path, String owner, boolean isFolder, boolean isRoot) {
 		this(id, name, isFolder);
 		this.parent = parent;
 		this.type = type;
 		this.path = path;
-		this.children = new ArrayList<Item>();
+		this.children = new ArrayList<ItemDTO>();
 		this.owner = owner;
 		this.isRoot = isRoot;
 	}
@@ -102,7 +102,7 @@ public class Item implements IsSerializable, ItemInterface{
 	 *
 	 * @param children the new children
 	 */
-	public void setChildren(ArrayList<Item> children) {
+	public void setChildren(ArrayList<ItemDTO> children) {
 
 		this.children = children;
 	}
@@ -177,7 +177,7 @@ public class Item implements IsSerializable, ItemInterface{
 	 *
 	 * @return the item parent.
 	 */
-	public Item getParent() {
+	public ItemDTO getParent() {
 		return parent;
 	}
 
@@ -213,7 +213,7 @@ public class Item implements IsSerializable, ItemInterface{
 	 *
 	 * @return the children.
 	 */
-	public ArrayList<Item> getChildren() {
+	public ArrayList<ItemDTO> getChildren() {
 		return children;
 	}
 
@@ -252,7 +252,7 @@ public class Item implements IsSerializable, ItemInterface{
 	 *            the index
 	 * @return the child at the specific position.
 	 */
-	public Item getChild(int index) {
+	public ItemDTO getChild(int index) {
 		return children.get(index);
 	}
 
@@ -262,7 +262,7 @@ public class Item implements IsSerializable, ItemInterface{
 	 * @param child
 	 *            the child to add.
 	 */
-	public void addChild(Item child) {
+	public void addChild(ItemDTO child) {
 		children.add(child);
 	}
 
@@ -272,7 +272,7 @@ public class Item implements IsSerializable, ItemInterface{
 	 * @param child
 	 *            the child
 	 */
-	public void removeChild(Item child) {
+	public void removeChild(ItemDTO child) {
 		children.remove(child);
 	}
 
@@ -328,7 +328,7 @@ public class Item implements IsSerializable, ItemInterface{
 		if (getClass() != obj.getClass()) {
 			return false;
 		}
-		Item other = (Item) obj;
+		ItemDTO other = (ItemDTO) obj;
 		if (id == null) {
 			if (other.id != null) {
 				return false;
@@ -375,7 +375,7 @@ public class Item implements IsSerializable, ItemInterface{
 	 * @param parent
 	 *            the new parent
 	 */
-	public void setParent(Item parent) {
+	public void setParent(ItemDTO parent) {
 		this.parent = parent;
 	}
 	/* (non-Javadoc)

src/main/java/org/gcube/portlets/widgets/wsexplorer/shared/ItemType.java

@@ -11,7 +11,9 @@ package org.gcube.portlets.widgets.wsexplorer.shared;
  * Jun 18, 2015
  */
 public enum ItemType {
-
+	PRIVATE_FOLDER, //MANDATORY
+	SHARED_FOLDER, 
+	VRE_FOLDER, 
 	FOLDER, //MANDATORY
 	EXTERNAL_IMAGE,
 	EXTERNAL_FILE,

src/main/java/org/gcube/portlets/widgets/wsexplorer/shared/SearchedFolder.java

@@ -15,7 +15,7 @@ import com.google.gwt.user.client.rpc.IsSerializable;
 public class SearchedFolder implements IsSerializable{
 
 
-	private Item folder;
+	private ItemDTO folder;
 	private int clientStartIndex = 0;
 	private int limit;
 	private int serverEndIndex = 0;
@@ -35,7 +35,7 @@ public class SearchedFolder implements IsSerializable{
 	 * @param serverEndIndex
 	 * @param isServerSearchFinished
 	 */
-	public SearchedFolder(Item folder, int clientStartIndex, int limit, int serverEndIndex, boolean isServerSearchFinished) {
+	public SearchedFolder(ItemDTO folder, int clientStartIndex, int limit, int serverEndIndex, boolean isServerSearchFinished) {
 
 		super();
 		this.folder = folder;
@@ -50,7 +50,7 @@ public class SearchedFolder implements IsSerializable{
 	/**
 	 * @return the folder
 	 */
-	public Item getFolder() {
+	public ItemDTO getFolder() {
 
 		return folder;
 	}
@@ -100,7 +100,7 @@ public class SearchedFolder implements IsSerializable{
 	/**
 	 * @param folder the folder to set
 	 */
-	public void setFolder(Item folder) {
+	public void setFolder(ItemDTO folder) {
 
 		this.folder = folder;
 	}

src/main/resources/clientlog4j.properties

@@ -0,0 +1,40 @@
+# gCube Portal custom log4j Logger
+#Author: Massimiliano Assante, ISTI-CNR
+
+log4j.rootLogger=INFO, CA
+
+log4j.appender.CA=org.apache.log4j.ConsoleAppender
+ 
+log4j.appender.CA.layout=org.apache.log4j.PatternLayout
+log4j.appender.CA.layout.ConversionPattern=[PORTAL] %-4r [%t] %-5p %c %x - %m%n
+
+# Display any warnings generated by our code
+#log4j.category.org.globus=WARN
+
+# Comment out the line below if you want to log every authorization 
+# decision the notification consumer makes.
+#log4j.category.org.globus.wsrf.impl.security.authorization.ServiceAuthorizationChain=ERROR
+
+log4j.logger.org.gcube=TRACE, GCUBE
+log4j.appender.GCUBE.threshold=DEBUG
+log4j.appender.GCUBE=org.apache.log4j.ConsoleAppender
+log4j.appender.GCUBE.layout=org.apache.log4j.PatternLayout
+log4j.appender.GCUBE.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} [%t,%M:%L] %
+m%n
+
+log4j.logger.org.apache.jasper.compiler.TldLocationsCache.level=ERROR, CA
+#AVOID LOGGING EHCACHE Hearbeat problem
+log4j.logger.net.sf.ehcache.distribution.PayloadUtil=OFF, CA
+
+log4j.logger.org.gcube.portal.notifications=INFO, CA
+log4j.logger.org.gcube.common.scope.impl=INFO, CA
+log4j.logger.org.gcube.common.core.utils.events=INFO, CA
+log4j.logger.org.gcube.portlets.user.homelibrary=INFO CA
+log4j.logger.org.gcube.common.resources.kxml=ERROR, CA
+log4j.logger.org.gcube.application.aquamaps.enhabling.Impl.ISCrawler=ERROR, CA
+log4j.logger.com.netflix.astyanax.connectionpool.impl=ERROR, CA
+log4j.logger.org.gcube.common.scope.impl=INFO, CA
+log4j.logger.com.couchbase.client=ERROR, CA
+log4j.logger.org.gcube.smartgears.handlers=INFO, CA
+log4j.logger.org.gcube.informationsystem.publisher=INFO, CA
+log4j.logger.org.gcube.application.framework.core.session=INFO, CA

src/test/java/org/gcube/portlets/widgets/wsexplorer/client/TestGetBreadcrumbs.java

@@ -1,228 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.widgets.wsexplorer.client;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
-import org.gcube.common.homelibrary.home.HomeLibrary;
-import org.gcube.common.homelibrary.home.exceptions.HomeNotFoundException;
-import org.gcube.common.homelibrary.home.exceptions.InternalErrorException;
-import org.gcube.common.homelibrary.home.exceptions.UserNotFoundException;
-import org.gcube.common.homelibrary.home.workspace.Workspace;
-import org.gcube.common.homelibrary.home.workspace.WorkspaceFolder;
-import org.gcube.common.homelibrary.home.workspace.WorkspaceItem;
-import org.gcube.common.homelibrary.home.workspace.exceptions.WorkspaceFolderNotFoundException;
-import org.gcube.common.scope.api.ScopeProvider;
-import org.gcube.common.scope.impl.ScopeBean;
-import org.gcube.portlets.widgets.wsexplorer.server.ItemBuilder;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
-import org.gcube.portlets.widgets.wsexplorer.shared.WorkspaceNavigatorServiceException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * 
- * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
- * Jul 6, 2015
- */
-public class TestGetBreadcrumbs {
-	public static final Logger _log = LoggerFactory.getLogger(TestGetBreadcrumbs.class);
-	static Workspace workspace;
-	
-	public static void main(String[] args) throws WorkspaceNavigatorServiceException {
-
-		ScopeBean scope = new ScopeBean("/gcube/devsec");
-		ScopeProvider.instance.set(scope.toString());
-		
-		try {
-			workspace = HomeLibrary
-					.getHomeManagerFactory()
-					.getHomeManager()
-					.getHome("francesco.mangiacrapa")
-					.getWorkspace();
-
-		System.out.println("Start get breadcrumb");
-		
-		String parentLimit = "bef9b6b6-8479-4077-9f30-8dda8ed99180";
-		
-//		47494ea7-a095-41a0-9037-2a62611c410b
-		List<Item> parents = getBreadcrumbsByItemIdentifierToParentLimit("47494ea7-a095-41a0-9037-2a62611c410b", parentLimit, true);
-		
-		for (Item item : parents) {
-//			System.out.println(item);
-			System.out.println(item.getId() +" "+item.getName());
-		}
-		
-		
-		} catch (WorkspaceFolderNotFoundException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		} catch (InternalErrorException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		} catch (HomeNotFoundException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		} catch (UserNotFoundException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		} catch (Exception e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		}
-		
-	}
-	
-
-	public static List<Item> getBreadcrumbsByItemIdentifier(String itemIdentifier, boolean includeItemAsParent) throws Exception {
-//		List<Item> listParents = new ArrayList<Item>();
-		_log.trace("ListParents By Item Identifier "+ itemIdentifier);
-		try {
-			
-			WorkspaceItem wsItem = workspace.getItem(itemIdentifier);
-			_log.trace("workspace retrieve item name: "+wsItem.getName());
-			List<WorkspaceItem> parents = workspace.getParentsById(itemIdentifier);	
-			_log.trace("parents size: "+parents.size());
-			Item[] arrayParents;
-
-			if(includeItemAsParent==true && wsItem.isFolder()){
-				arrayParents = new Item[parents.size()];
-				arrayParents[parents.size()-1] = ItemBuilder.buildFolderForBreadcrumbs((WorkspaceFolder) wsItem, null);
-			}else
-				arrayParents = new Item[parents.size()-1];
-			
-			/** HANDLE MY_SPECIAL_FOLDER TO AVOID COMPLETE PATH WORKSPACE/MY_SPECIAL_FOLDER 
-			 * BUT RETURNING ONLY /MY_SPECIAL_FOLDER
-			 */
-			if(wsItem.isFolder()){
-				if(ItemBuilder.isSpecialFolder((WorkspaceFolder) wsItem))
-					return new ArrayList<Item>(Arrays.asList(arrayParents));
-//					return listParents;
-			}
-			
-			//CONVERTING PATH
-			_log.trace("converting path from second-last..");
-			for (int i =  parents.size()-2; i >= 0; i--) {
-				WorkspaceFolder wsParentFolder = (WorkspaceFolder) parents.get(i);
-				arrayParents[i] = ItemBuilder.buildFolderForBreadcrumbs((WorkspaceFolder) wsParentFolder, null);
-				if(arrayParents[i].isSpecialFolder()){ //SKIP HOME PARENT FOR MY_SPECIAL_FOLDER
-					_log.info("arrayParents i-mo is special folder, exit");
-					break;
-				}
-//				wsItem = wsParentFolder;
-			}
-			
-			//SET PARENTS
-			_log.trace("setting parents..");
-			for(int i=0; i<arrayParents.length-1; i++){
-				
-				Item parent = arrayParents[i];
-				Item fileModel = arrayParents[i+1];
-				fileModel.setParent(parent);
-			}
-			
-			_log.trace("ListParents return size: "+arrayParents.length);
-			
-			if(arrayParents[0]==null){
-				List<Item> breadcrumbs = new ArrayList<Item>(arrayParents.length-1);
-				for (int i=1; i<arrayParents.length; i++) {
-					breadcrumbs.add(arrayParents[i]);
-				}
-				return breadcrumbs;
-			}else
-				return new ArrayList<Item>(Arrays.asList(arrayParents));
-			
-		} catch (Exception e) {
-			_log.error("Error in get List Parents By Item Identifier ", e);
-			throw new Exception("Sorry, an error occurred during path retrieving!");
-		}
-	}
-	
-	
-	/**
-	 * Gets the parents by item identifier to limit.
-	 *
-	 * @param itemIdentifier
-	 *            the item identifier
-	 * @param includeItemAsParent
-	 *            the include item as parent
-	 * @return the parents by item identifier to limit
-	 * @throws Exception
-	 *             the exception
-	 */
-	public static List<Item> getBreadcrumbsByItemIdentifierToParentLimit(String itemIdentifier, String parentLimit, boolean includeItemAsParent) throws Exception {
-		_log.trace("ListParents By Item Identifier " + itemIdentifier);
-		try {
-
-			WorkspaceItem wsItem = workspace.getItem(itemIdentifier);
-			_log.trace("workspace retrieve item name: "+wsItem.getName());
-			List<WorkspaceItem> parents = workspace.getParentsById(itemIdentifier);	
-			_log.trace("parents size: "+parents.size());
-			Item[] arrayParents;
-
-			if(includeItemAsParent==true && wsItem.isFolder()){
-				arrayParents = new Item[parents.size()];
-				arrayParents[parents.size()-1] = ItemBuilder.buildFolderForBreadcrumbs((WorkspaceFolder) wsItem, null);
-			}else
-				arrayParents = new Item[parents.size()-1];
-			
-			/** HANDLE MY_SPECIAL_FOLDER TO AVOID COMPLETE PATH WORKSPACE/MY_SPECIAL_FOLDER 
-			 * BUT RETURNING ONLY /MY_SPECIAL_FOLDER
-			 */
-			if(wsItem.isFolder()){
-				if(ItemBuilder.isSpecialFolder((WorkspaceFolder) wsItem))
-					return new ArrayList<Item>(Arrays.asList(arrayParents));
-//					return listParents;
-			}
-			
-			parentLimit = parentLimit!=null?parentLimit:"";
-			
-			//CONVERTING PATH
-			_log.trace("converting path from second-last..");
-			for (int i =  parents.size()-2; i >= 0; i--) {
-				WorkspaceFolder wsParentFolder = (WorkspaceFolder) parents.get(i);
-				arrayParents[i] = ItemBuilder.buildFolderForBreadcrumbs((WorkspaceFolder) wsParentFolder, null);
-				if(arrayParents[i].isSpecialFolder()){ //SKIP HOME PARENT FOR MY_SPECIAL_FOLDER
-					_log.info("arrayParents index "+i+" is special folder, break");
-					break;
-				}else if(parentLimit.compareTo(arrayParents[i].getId())==0){
-					_log.info("reached parent limit "+parentLimit+", break");
-					break;
-				}
-			}
-			
-			//SET PARENTS
-			_log.trace("setting parents..");
-			for(int i=0; i<arrayParents.length-1; i++){
-				
-				Item parent = arrayParents[i];
-				Item fileModel = arrayParents[i+1];
-				
-				if(fileModel!=null)
-					fileModel.setParent(parent);
-			}
-			
-			_log.trace("ListParents return size: "+arrayParents.length);
-			if(arrayParents[0]==null){ //EXIT BY BREAK IN CASE OF SPECIAL FOLDER OR REACHED PARENT LIMIT
-				List<Item> breadcrumbs = new ArrayList<Item>();
-				for (int i=1; i<arrayParents.length; i++) {
-					if(arrayParents[i]!=null)
-						breadcrumbs.add(arrayParents[i]);
-				}
-				return breadcrumbs;
-			}else
-				return new ArrayList<Item>(Arrays.asList(arrayParents));
-			
-		} catch (Exception e) {
-			_log.error("Error in get List Parents By Item Identifier ", e);
-			throw new Exception("Sorry, an error occurred during path retrieving!");
-		}
-	}
-	
-	
-	
-
-}

src/test/java/org/gcube/portlets/widgets/wsexplorer/client/TestGetChildren.java

@@ -1,98 +0,0 @@
-/**
- *
- */
-package org.gcube.portlets.widgets.wsexplorer.client;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.TimeUnit;
-
-import org.gcube.common.homelibrary.home.HomeLibrary;
-import org.gcube.common.homelibrary.home.workspace.Workspace;
-import org.gcube.common.homelibrary.home.workspace.WorkspaceItem;
-import org.gcube.common.scope.api.ScopeProvider;
-import org.gcube.common.scope.impl.ScopeBean;
-import org.gcube.portlets.widgets.wsexplorer.server.ItemBuilder;
-import org.gcube.portlets.widgets.wsexplorer.server.ItemComparator;
-import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
-import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
-import org.gcube.portlets.widgets.wsexplorer.shared.WorkspaceNavigatorServiceException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- *
- * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
- * Jul 6, 2015
- */
-public class TestGetChildren {
-	public static final Logger _log = LoggerFactory.getLogger(TestGetChildren.class);
-
-	public static void main(String[] args) throws WorkspaceNavigatorServiceException {
-		List<ItemType> showableTypes = new ArrayList<ItemType>();
-		showableTypes.addAll(Arrays.asList(ItemType.values()));
-		boolean purgeEmpyFolders = false;
-		List<String> allowedMimeTypes = new ArrayList<String>();
-		Map<String, String> requiredProperties = new HashMap<String, String>();
-		FilterCriteria filterCriteria = new FilterCriteria(allowedMimeTypes,null,null);
-		Item item = getRoot(showableTypes, purgeEmpyFolders, filterCriteria);
-
-		for (Item child : item.getChildren()) {
-			System.out.println(child);
-		}
-
-	}
-
-	public static Item getRoot(List<ItemType> showableTypes, boolean purgeEmpyFolders, FilterCriteria filterCriteria) throws WorkspaceNavigatorServiceException {
-		_log.trace("getRoot showableTypes: "+showableTypes+" purgeEmpyFolders: "+purgeEmpyFolders+" filterCriteria: "+ filterCriteria);
-
-		try {
-
-			ScopeBean scope = new ScopeBean("/gcube/devsec");
-			ScopeProvider.instance.set(scope.toString());
-
-			Workspace workspace = HomeLibrary
-					.getHomeManagerFactory()
-					.getHomeManager()
-					.getHome("francesco.mangiacrapa")
-					.getWorkspace();
-			//
-			_log.debug("Start getRoot...");
-
-			WorkspaceItem root = workspace.getRoot();
-
-			_log.debug("GetRoot  - Replyiing root");
-			long startTime = System.currentTimeMillis();
-			_log.debug("start time - " + startTime);
-
-			Item rootItem = ItemBuilder.getItem(null, root, root.getPath(),showableTypes, filterCriteria, true, false);
-
-			if(rootItem==null)
-				throw new WorkspaceNavigatorServiceException("Sorry, an error occurred when performing get root");
-
-			rootItem.setName(WorkspaceExplorerConstants.HOME_LABEL);
-
-			if (purgeEmpyFolders) rootItem = ItemBuilder.purgeEmptyFolders(rootItem);
-
-			_log.debug("Returning:");
-			Long endTime = System.currentTimeMillis() - startTime;
-			String time = String.format("%d msc %d sec", endTime, TimeUnit.MILLISECONDS.toSeconds(endTime));
-			_log.debug("end time - " + time);
-
-			Collections.sort(rootItem.getChildren(), new ItemComparator());
-			_log.debug("Returning children size: "+rootItem.getChildren().size());
-
-			return rootItem;
-
-		} catch (Exception e) {
-			_log.error("Error during root retrieving", e);
-			throw new WorkspaceNavigatorServiceException("Sorry, an error occurred when performing get root");
-		}
-	}
-
-}

src/test/java/org/gcube/portlets/widgets/wsexplorer/client/TestGetSize.java

@@ -1,222 +0,0 @@
-/**
- *
- */
-package org.gcube.portlets.widgets.wsexplorer.client;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.TimeUnit;
-
-import org.gcube.common.homelibrary.home.HomeLibrary;
-import org.gcube.common.homelibrary.home.workspace.Workspace;
-import org.gcube.common.homelibrary.home.workspace.WorkspaceFolder;
-import org.gcube.common.homelibrary.home.workspace.WorkspaceItem;
-import org.gcube.common.homelibrary.home.workspace.WorkspaceSharedFolder;
-import org.gcube.common.homelibrary.home.workspace.folder.FolderItem;
-import org.gcube.common.scope.api.ScopeProvider;
-import org.gcube.common.scope.impl.ScopeBean;
-import org.gcube.portlets.widgets.wsexplorer.server.ItemBuilder;
-import org.gcube.portlets.widgets.wsexplorer.server.ItemComparator;
-import org.gcube.portlets.widgets.wsexplorer.server.StringUtil;
-import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
-import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
-import org.gcube.portlets.widgets.wsexplorer.shared.WorkspaceNavigatorServiceException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- *
- * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
- * Jul 6, 2015
- */
-public class TestGetSize {
-	/**
-	 *
-	 */
-	private static final String TEST_SCOPE = "/gcube/devsec";
-	/**
-	 *
-	 */
-	public static final String TEST_USER = "francesco.mangiacrapa";
-	public static final Logger _log = LoggerFactory.getLogger(TestGetSize.class);
-	private static Workspace workspace;
-
-
-
-	public static void main(String[] args) throws WorkspaceNavigatorServiceException {
-		List<ItemType> showableTypes = new ArrayList<ItemType>();
-		showableTypes.addAll(Arrays.asList(ItemType.values()));
-		boolean purgeEmpyFolders = false;
-		List<String> allowedMimeTypes = new ArrayList<String>();
-		Map<String, String> requiredProperties = new HashMap<String, String>();
-		FilterCriteria filterCriteria = new FilterCriteria(allowedMimeTypes,null,null);
-
-
-		try {
-
-			ScopeBean scope = new ScopeBean(TEST_SCOPE);
-			ScopeProvider.instance.set(scope.toString());
-			 workspace = HomeLibrary
-					.getHomeManagerFactory()
-					.getHomeManager()
-					.getHome(TEST_USER)
-					.getWorkspace();
-
-			 for (WorkspaceItem child: workspace.getRoot().getChildren()){
-					_log.debug("Child item: "+child);
-//					Item itemChild = getItem(item, child, showableTypes, filterCriteria, false);
-//					_log.debug("Item: "+itemName +" converted!!!");
-//					if (itemChild!=null){
-//						item.addChild(itemChild);
-//					}
-				}
-
-			 /*
-			 Item mySpecial = getMySpecialFolder(showableTypes, false, filterCriteria);
-
-			 for (Item spf : mySpecial.getChildren()) {
-				 String size = getReadableSizeByItemId(spf.getId());
-				 System.out.println(spf.getName() + ", size: "+size);
-			}*/
-		} catch (Exception e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		}
-
-		getRoot(showableTypes, purgeEmpyFolders, filterCriteria);
-
-	}
-
-
-	public static Item getRoot(List<ItemType> showableTypes, boolean purgeEmpyFolders, FilterCriteria filterCriteria) throws WorkspaceNavigatorServiceException {
-		_log.trace("getRoot showableTypes: "+showableTypes+" purgeEmpyFolders: "+purgeEmpyFolders+" filterCriteria: "+ filterCriteria);
-
-		try {
-
-			_log.trace("Start getRoot...");
-
-			WorkspaceItem root = workspace.getRoot();
-
-			_log.trace("GetRoot  - Replyiing root");
-			long startTime = System.currentTimeMillis();
-			_log.trace("start time - " + startTime);
-
-			Item rootItem = ItemBuilder.getItem(null, root, root.getPath(), showableTypes, filterCriteria, true, false);
-			rootItem.setName(WorkspaceExplorerConstants.HOME_LABEL);
-
-			/* SPECIAL FOLDERS
-			Item specialFolders = ItemBuilder.getItem(null, specials, showableTypes, filterCriteria, 2);
-			specialFolders.setShared(true);
-			rootItem.addChild(specialFolders);
-			 */
-			if (purgeEmpyFolders) rootItem = ItemBuilder.purgeEmptyFolders(rootItem);
-
-			_log.trace("Returning:");
-			Long endTime = System.currentTimeMillis() - startTime;
-			String time = String.format("%d msc %d sec", endTime, TimeUnit.MILLISECONDS.toSeconds(endTime));
-			_log.info("end time - " + time);
-
-			Collections.sort(rootItem.getChildren(), new ItemComparator());
-			_log.info("Returning children size: "+rootItem.getChildren().size());
-
-			return rootItem;
-
-		} catch (Exception e) {
-			_log.error("Error during root retrieving", e);
-			throw new WorkspaceNavigatorServiceException("Sorry, an error occurred when performing get root");
-		}
-	}
-
-	/**
-	 * {@inheritDoc}
-	 */
-
-	public static Item getMySpecialFolder(List<ItemType> showableTypes, boolean purgeEmpyFolders, FilterCriteria filterCriteria) throws WorkspaceNavigatorServiceException {
-		_log.trace("GetMySpecialFolder showableTypes: "+showableTypes+" purgeEmpyFolders: "+purgeEmpyFolders+" filterCriteria: "+filterCriteria);
-
-		try {
-
-			WorkspaceItem folder = workspace.getMySpecialFolders();
-
-			long startTime = System.currentTimeMillis();
-			_log.trace("start time - " + startTime);
-
-			Item itemFolder = ItemBuilder.getItem(null, folder, folder.getPath(), showableTypes, filterCriteria, true, false);
-			itemFolder.setName(WorkspaceExplorerConstants.VRE_FOLDERS_LABEL);
-			itemFolder.setSpecialFolder(true);
-
-			_log.trace("Builded MySpecialFolder: "+itemFolder);
-
-			_log.trace("Only showable types:");
-			//printName("", folderItem);
-
-			if (purgeEmpyFolders) itemFolder = ItemBuilder.purgeEmptyFolders(itemFolder);
-
-			_log.trace("Returning:");
-
-			Long endTime = System.currentTimeMillis() - startTime;
-			String time = String.format("%d msc %d sec", endTime, TimeUnit.MILLISECONDS.toSeconds(endTime));
-			_log.trace("end time - " + time);
-
-			//printName("", folderItem);
-
-			Collections.sort(itemFolder.getChildren(), new ItemComparator());
-
-			return itemFolder;
-
-		} catch (Exception e) {
-			_log.error("Error during special folders retrieving", e);
-			throw new WorkspaceNavigatorServiceException("Sorry, an error occurred when performing get My Special Folder");
-		}
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.portlets.widgets.wsexplorer.client.rpc.WorkspaceExplorerService#loadSizeByItemId(java.lang.String)
-	 */
-
-	public static Long getSizeByItemId(String itemId) throws Exception {
-
-		_log.info("get Size By ItemId "+ itemId);
-		try {
-
-			WorkspaceItem wsItem = workspace.getItem(itemId);
-			Long size = new Long(-1);
-
-			if(wsItem instanceof FolderItem){ //ITEM
-				FolderItem folderItem = (FolderItem) wsItem;
-				size = new Long(folderItem.getLength());
-			} else if (wsItem instanceof WorkspaceFolder ){ //FOLDER
-				WorkspaceFolder theFolder = (WorkspaceFolder) wsItem;
-				size = theFolder.getSize();
-			} else if (wsItem instanceof WorkspaceSharedFolder){ //SHARED FOLDER
-				WorkspaceSharedFolder theFolder = (WorkspaceSharedFolder) wsItem;
-				size = theFolder.getSize();
-			}
-			_log.info("returning size: " +size);
-			return size;
-
-		} catch (Exception e) {
-			_log.error("get Size By ItemId ", e);
-			throw new Exception(e.getMessage());
-		}
-	}
-
-
-	public static String getReadableSizeByItemId(String itemId) throws Exception {
-
-		try{
-		_log.info("getFormattedSize ByItemId "+ itemId);
-				long size = getSizeByItemId(itemId);
-				return StringUtil.readableFileSize(size);
-		} catch (Exception e) {
-			_log.error("getFormattedSize By ItemId ", e);
-			throw new Exception(e.getMessage());
-		}
-	}
-
-}