added payload backend to folder

src/main/java/org/gcube/common/storagehub/model/Constants.java

@@ -6,6 +6,6 @@ public class Constants {
 	public static final String versionPrefix = "_v";
 	public static final String mongoStorageConstant = "gcube-mongo";
 
-
+	public static final String s3StorageConstant = "gcube-s3";
 	
 }

src/main/java/org/gcube/common/storagehub/model/NodeConstants.java

@@ -22,12 +22,14 @@ public class NodeConstants {
 	public static final String LASTACTION = "hl:lastAction";
 	public static final String HIDDEN = "hl:hidden";
 	
-	public static final String EXTERNALFOLDERPLUGIN ="hl:pluginName";
+	public static final String PAYLOADBACKEND ="hl:payloadBackend";
+	
 	public static final String SHAREDFOLDERPRIVILEGE = "hl:privilege";
 	public static final String VREFOLDERCHECK = "hl:isVreFolder";
 	public static final String DISPLAYNAME = "hl:displayName";
 	
 	public static final String UNIQUEID = "hl:uuid";
+	public static final String PARAMETERS = "hl:parameters";
 	
 	public static final String CONTENTSIZE = "hl:size";
 	public static final String CONTENTDATA ="jcr:data";
@@ -42,4 +44,5 @@ public class NodeConstants {
 	public static final String OWNERNODETYPE = "nthl:user";
 	public static final String GENERICFILETYPE = "nthl:externalFile";
 	public static final String CONTENTFILETYPE = "nthl:file";
+	public static final String PAYLOADBACKENDTYPE = "nthl:payloadbackend";
 }

src/main/java/org/gcube/common/storagehub/model/items/ExternalFolder.java

@@ -1,14 +1,7 @@
 package org.gcube.common.storagehub.model.items;
 
-import static org.gcube.common.storagehub.model.NodeConstants.*;
-
-import org.gcube.common.storagehub.model.Metadata;
-import org.gcube.common.storagehub.model.annotations.Attribute;
-import org.gcube.common.storagehub.model.annotations.NodeAttribute;
 import org.gcube.common.storagehub.model.annotations.RootNode;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
-
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
@@ -19,10 +12,4 @@ import lombok.Setter;
 @RootNode("nthl:externalFolder")
 public class ExternalFolder extends FolderItem {
 
-	@Attribute(EXTERNALFOLDERPLUGIN)
-	String managedBy;
-	
-	@JsonIgnore
-	@NodeAttribute(value=PARAMETERS_NAME)
-	Metadata connectionParameters = new Metadata();
 }

src/main/java/org/gcube/common/storagehub/model/items/FolderItem.java

@@ -1,14 +1,22 @@
 package org.gcube.common.storagehub.model.items;
 
+import static org.gcube.common.storagehub.model.NodeConstants.PAYLOADBACKEND;
+
+import org.gcube.common.storagehub.model.annotations.Attribute;
 import org.gcube.common.storagehub.model.annotations.RootNode;
+import org.gcube.common.storagehub.model.items.nodes.PayloadBackend;
 
+import lombok.Getter;
 import lombok.NoArgsConstructor;
+import lombok.Setter;
 
-
+@Getter
+@Setter
 @NoArgsConstructor
 @RootNode("nthl:workspaceItem")
 public class FolderItem extends Item {
 
-	
+	@Attribute(PAYLOADBACKEND)
+	PayloadBackend backend;
 	
 }

src/main/java/org/gcube/common/storagehub/model/items/nodes/PayloadBackend.java

@@ -0,0 +1,23 @@
+package org.gcube.common.storagehub.model.items.nodes;
+
+import static org.gcube.common.storagehub.model.NodeConstants.*;
+import org.gcube.common.storagehub.model.Metadata;
+import org.gcube.common.storagehub.model.annotations.Attribute;
+import org.gcube.common.storagehub.model.annotations.AttributeRootNode;
+import org.gcube.common.storagehub.model.annotations.NodeAttribute;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@NoArgsConstructor
+@Data
+@AttributeRootNode(PAYLOADBACKENDTYPE)
+public class PayloadBackend {
+
+	@Attribute(STORAGENAME)
+	String storageName;
+	
+	@JsonIgnore
+	@NodeAttribute(value=PARAMETERS)
+	Metadata parameters = new Metadata();
+}

src/main/java/org/gcube/common/storagehub/model/storages/MetaInfo.java

@@ -1,8 +1,12 @@
 package org.gcube.common.storagehub.model.storages;
 
+import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 @Data
+@AllArgsConstructor
+@NoArgsConstructor
 public class MetaInfo {
 	
 	long size;

src/main/java/org/gcube/common/storagehub/model/storages/StorageBackend.java

@@ -2,18 +2,17 @@ package org.gcube.common.storagehub.model.storages;
 
 import java.io.InputStream;
 
-import org.gcube.common.storagehub.model.items.AbstractFileItem;
 import org.gcube.common.storagehub.model.items.nodes.Content;
 
 public interface StorageBackend {
 	
 	String getName();
 	
-	String onCopy(AbstractFileItem item);
+	MetaInfo onCopy(Content content, String newParentPath, String newName);
 	
-	String onMove(AbstractFileItem item);
+	MetaInfo onMove(Content content, String newParentPath);
 	
-	void onDelete(Content id);
+	void onDelete(Content content);
 	
 	MetaInfo upload(InputStream stream, String relativePath, String name);
 	

src/main/java/org/gcube/common/storagehub/model/storages/StorageBackendFactory.java

@@ -1,9 +1,13 @@
 package org.gcube.common.storagehub.model.storages;
 
-public interface StorageBackendFactory<S extends StorageBackend> {
+import org.gcube.common.storagehub.model.Metadata;
+import org.gcube.common.storagehub.model.exceptions.InvalidCallParameters;
+
+public interface StorageBackendFactory {
 	
 	String getName();
 	
-	S create(String parameter);
+	StorageBackend create(Metadata parameter) throws InvalidCallParameters;
+	
 
 }