session expired handled

git-svn-id: http://svn.d4science-ii.research-infrastructures.eu/gcube/trunk/portlets/user/workspace-tree-widget@81048 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java

@@ -74,6 +74,8 @@ import org.gcube.portlets.user.workspace.client.event.SelectedItemEvent;
 import org.gcube.portlets.user.workspace.client.event.SelectedItemEventHandler;
 import org.gcube.portlets.user.workspace.client.event.SendMessageEvent;
 import org.gcube.portlets.user.workspace.client.event.SendMessageEventHandler;
+import org.gcube.portlets.user.workspace.client.event.SessionExpiredEvent;
+import org.gcube.portlets.user.workspace.client.event.SessionExpiredEventHandler;
 import org.gcube.portlets.user.workspace.client.event.SmartFolderSelectedEvent;
 import org.gcube.portlets.user.workspace.client.event.SmartFolderSelectedEventHandler;
 import org.gcube.portlets.user.workspace.client.event.SubTreeLoadedEvent;
@@ -362,6 +364,15 @@ public class AppControllerExplorer implements EventHandler, TreeAppControllerInt
 			}
 		});
 		
+		//********EVENTS TO NOTIFY SUBSCRIBERS
+		eventBus.addHandler(SessionExpiredEvent.TYPE, new SessionExpiredEventHandler() {
+			
+			@Override
+			public void onSessionExpired(SessionExpiredEvent sessionExpiredEvent) {
+				notifySubscriber(sessionExpiredEvent);
+			}
+		});
+		
 		eventBus.addHandler(WebDavUrlEvent.TYPE, new WebDavUrlEventHandler() {
 			
 			@Override
@@ -1656,6 +1667,12 @@ public class AppControllerExplorer implements EventHandler, TreeAppControllerInt
 	        		
 	        		sub.fileDownloaded(messageEvent.getItemIdentifier());
 	
+	        	}else if(event instanceof SessionExpiredEvent){
+        		
+	        		SessionExpiredEvent sessionEvent = (SessionExpiredEvent) event;
+        		
+	        		sub.viewSessionExpiredPanel();
+	
 	        	}
             	
             	

src/main/java/org/gcube/portlets/user/workspace/client/event/SessionExpiredEvent.java

@@ -0,0 +1,36 @@
+package org.gcube.portlets.user.workspace.client.event;
+
+import org.gcube.portlets.user.workspace.client.interfaces.EventsTypeEnum;
+import org.gcube.portlets.user.workspace.client.interfaces.GuiEventInterface;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+/**
+ * 
+ * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
+ * @Sep 4, 2013
+ *
+ */
+public class SessionExpiredEvent extends GwtEvent<SessionExpiredEventHandler> implements GuiEventInterface {
+	public static Type<SessionExpiredEventHandler> TYPE = new Type<SessionExpiredEventHandler>();
+
+
+	@Override
+	public Type<SessionExpiredEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	@Override
+	protected void dispatch(SessionExpiredEventHandler handler) {
+		handler.onSessionExpired(this);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.gcube.portlets.user.workspace.client.interfaces.GuiEventInterface#getKey()
+	 */
+	@Override
+	public EventsTypeEnum getKey() {
+		return EventsTypeEnum.SESSION_EXPIRED;
+	}
+
+}

src/main/java/org/gcube/portlets/user/workspace/client/event/SessionExpiredEventHandler.java

@@ -0,0 +1,17 @@
+package org.gcube.portlets.user.workspace.client.event;
+
+import com.google.gwt.event.shared.EventHandler;
+
+/**
+ * 
+ * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
+ * @Sep 4, 2013
+ *
+ */
+public interface SessionExpiredEventHandler extends EventHandler {
+
+	/**
+	 * @param sessionExpiredEvent
+	 */
+	void onSessionExpired(SessionExpiredEvent sessionExpiredEvent);
+}

src/main/java/org/gcube/portlets/user/workspace/client/interfaces/EventsTypeEnum.java

@@ -26,5 +26,6 @@ public enum EventsTypeEnum
    SELECTED_MESSAGE,
    CREATE_NEW_MESSAGE, 
    REPLY_FORWARD_MESSAGE,
-   FILE_DOWNLAD_EVENT
+   FILE_DOWNLAD_EVENT,
+   SESSION_EXPIRED
 }

src/main/java/org/gcube/portlets/user/workspace/client/interfaces/SubscriberInterface.java

@@ -38,5 +38,9 @@ public interface SubscriberInterface {
 	 * @param itemIdentifier
 	 */
 	void fileDownloaded(String itemIdentifier);
+	/**
+	 * 
+	 */
+	void viewSessionExpiredPanel();
 	
 }

src/main/java/org/gcube/portlets/user/workspace/client/rpc/GWTWorkspaceService.java

@@ -15,6 +15,7 @@ import org.gcube.portlets.user.workspace.client.model.ScopeModel;
 import org.gcube.portlets.user.workspace.client.model.SmartFolderModel;
 import org.gcube.portlets.user.workspace.client.model.SubTree;
 import org.gcube.portlets.user.workspace.client.workspace.GWTWorkspaceItem;
+import org.gcube.portlets.user.workspace.shared.SessionExpiredException;
 import org.gcube.portlets.user.workspace.shared.accounting.GxtAccountingField;
 
 import com.google.gwt.user.client.rpc.RemoteService;
@@ -31,9 +32,9 @@ public interface GWTWorkspaceService extends RemoteService{
 	
 	public List<ScopeModel> getAllScope() throws Exception;
 	
-	public List<FileModel> getFolderChildren(FolderModel folder) throws Exception;
+	public List<FileModel> getFolderChildren(FolderModel folder) throws Exception, SessionExpiredException;
 	
-	public List<FileGridModel> getFolderChildrenForFileGrid(FileModel folder) throws Exception;
+	public List<FileGridModel> getFolderChildrenForFileGrid(FileModel folder) throws Exception, SessionExpiredException;
 	
 	public FileDetailsModel getDetailsFile(FileModel item) throws Exception;
 	  
@@ -156,7 +157,7 @@ public interface GWTWorkspaceService extends RemoteService{
 	 * @return
 	 * @throws Exception
 	 */
-	List<FileGridModel> getFolderChildrenForFileGridById(String folderId) throws Exception;
+	List<FileGridModel> getFolderChildrenForFileGridById(String folderId) throws Exception, SessionExpiredException;
 	
 	String getShortUrl(String longUrl) throws Exception;
 

src/main/java/org/gcube/portlets/user/workspace/client/view/tree/AsyncTreePanel.java

@@ -10,10 +10,12 @@ import org.gcube.portlets.user.workspace.client.constant.WorkspaceOperation;
 import org.gcube.portlets.user.workspace.client.event.ExpandFolderEvent;
 import org.gcube.portlets.user.workspace.client.event.MoveItemEvent;
 import org.gcube.portlets.user.workspace.client.event.SelectedItemEvent;
+import org.gcube.portlets.user.workspace.client.event.SessionExpiredEvent;
 import org.gcube.portlets.user.workspace.client.model.FileModel;
 import org.gcube.portlets.user.workspace.client.model.FolderModel;
 import org.gcube.portlets.user.workspace.client.resources.Resources;
 import org.gcube.portlets.user.workspace.client.view.windows.MessageBoxAlert;
+import org.gcube.portlets.user.workspace.shared.SessionExpiredException;
 
 import com.extjs.gxt.ui.client.Style.SelectionMode;
 import com.extjs.gxt.ui.client.data.ModelData;
@@ -736,6 +738,12 @@ public class AsyncTreePanel extends LayoutContainer {
 
 			@Override
 			public void onFailure(Throwable caught) {
+				
+				if(caught instanceof SessionExpiredException){
+					eventBus.fireEvent(new SessionExpiredEvent());
+					return;
+				}
+					
 				new MessageBoxAlert("Error", ConstantsExplorer.SERVER_ERROR + " getting folder children items. " +ConstantsExplorer.TRY_AGAIN, null);
 				removeAllAndRecoveryRoot();
 				

src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceServiceImpl.java

@@ -57,6 +57,7 @@ import org.gcube.portlets.user.workspace.server.util.StringUtil;
 import org.gcube.portlets.user.workspace.server.util.UserUtil;
 import org.gcube.portlets.user.workspace.server.util.WsUtil;
 import org.gcube.portlets.user.workspace.server.util.scope.ScopeUtilFilter;
+import org.gcube.portlets.user.workspace.shared.SessionExpiredException;
 import org.gcube.portlets.user.workspace.shared.accounting.GxtAccountingEntryType;
 import org.gcube.portlets.user.workspace.shared.accounting.GxtAccountingField;
 import org.gcube.portlets.user.workspaceapplicationhandler.ApplicationReaderFromGenericResource;
@@ -231,12 +232,15 @@ public class GWTWorkspaceServiceImpl extends RemoteServiceServlet implements GWT
 	}
 	
 	@Override
-	public List<FileModel> getFolderChildren(FolderModel folder) throws Exception{
+	public List<FileModel> getFolderChildren(FolderModel folder) throws Exception, SessionExpiredException{
 		
 		Workspace workspace;
 		
+		if(isSessionExpired())
+			throw new SessionExpiredException();
+		
 		try {
-			
+
 			workspace = getWorkspace();
 			
 			List<FileModel> listFileModels = new ArrayList<FileModel>();
@@ -262,9 +266,12 @@ public class GWTWorkspaceServiceImpl extends RemoteServiceServlet implements GWT
 	}
 
 	@Override
-	public List<FileGridModel> getFolderChildrenForFileGrid(FileModel folder) throws Exception {
+	public List<FileGridModel> getFolderChildrenForFileGrid(FileModel folder) throws Exception, SessionExpiredException {
 		Workspace workspace;
 		
+		if(isSessionExpired())
+			throw new SessionExpiredException();
+		
 		try {
 			
 			workspace = getWorkspace();
@@ -309,6 +316,9 @@ public class GWTWorkspaceServiceImpl extends RemoteServiceServlet implements GWT
 		
 		Workspace workspace;
 		
+		if(isSessionExpired())
+			throw new SessionExpiredException();
+		
 		try {
 			GCUBEClientLog logger = new GCUBEClientLog(GWTWorkspaceServiceImpl.class);
 			

src/main/java/org/gcube/portlets/user/workspace/shared/SessionExpiredException.java

@@ -0,0 +1,24 @@
+/**
+ * 
+ */
+package org.gcube.portlets.user.workspace.shared;
+
+/**
+ * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
+ * @Sep 4, 2013
+ *
+ */
+public class SessionExpiredException extends Exception{
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 8423680645305738442L;
+
+	/**
+	 * 
+	 */
+	public SessionExpiredException() {
+		super("Session expired");
+	}
+}