diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/view/windows/InfoDisplayMessage.java b/src/main/java/org/gcube/portlets/user/workspace/client/view/windows/InfoDisplayMessage.java
index c2678a3..4e8b793 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/view/windows/InfoDisplayMessage.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/view/windows/InfoDisplayMessage.java
@@ -22,6 +22,8 @@ public class InfoDisplayMessage extends InfoDisplay {
 	 *            message title
 	 * @param text
 	 *            message text
+	 * @param milliseconds
+	 *            milliseconds
 	 */
 	public InfoDisplayMessage(String title, String text, int milliseconds) {
 		super(title, text, milliseconds);
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/workspace/GWTProperties.java b/src/main/java/org/gcube/portlets/user/workspace/client/workspace/GWTProperties.java
index b2e9333..9a71273 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/workspace/GWTProperties.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/workspace/GWTProperties.java
@@ -10,35 +10,33 @@ import java.util.Map.Entry;
 
 import com.google.gwt.user.client.rpc.IsSerializable;
 
-
 /**
  * @author Federico De Faveri defaveriAtisti.cnr.it
  *
  */
 public class GWTProperties implements IsSerializable {
-	
+
 	protected String id;
-	
-	
-	/**
-	 * workaround for GWT issue 2862
-	 */
+
 	protected List<Data> properties;
 
-	public GWTProperties()
-	{}
-	
+	public GWTProperties() {
+	}
+
 	/**
+	 * 
 	 * @param id
-	 * @param properties
+	 *            Id
+	 * @param mapProperties
+	 *            map properties
 	 */
 	public GWTProperties(String id, Map<String, String> mapProperties) {
 		this.id = id;
-		
+
 		this.properties = new LinkedList<Data>();
-		
-		//workaround for GWT issue 2862
-		for (Entry<String, String> entry :mapProperties.entrySet()){
+
+		// workaround for GWT issue 2862
+		for (Entry<String, String> entry : mapProperties.entrySet()) {
 			properties.add(new Data(entry.getKey(), entry.getValue()));
 		}
 	}
@@ -49,21 +47,20 @@ public class GWTProperties implements IsSerializable {
 	}
 
 	public String getMetaData(String metaDataId) {
-		
-		for (Data data :properties){
-			if (data.getKey().equals(metaDataId)) return data.value;
+
+		for (Data data : properties) {
+			if (data.getKey().equals(metaDataId))
+				return data.value;
 		}
 		return null;
 	}
+
 	
-	/**
-	 * workaround for GWT issue 2862
-	 */
-	protected class Data{
-		
+	protected class Data {
+
 		protected String key;
 		protected String value;
-		
+
 		protected Data(String key, String value) {
 			this.key = key;
 			this.value = value;
@@ -82,8 +79,7 @@ public class GWTProperties implements IsSerializable {
 		public String getValue() {
 			return value;
 		}
-		
-		
+
 	}
 
 }
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/workspace/GWTUser.java b/src/main/java/org/gcube/portlets/user/workspace/client/workspace/GWTUser.java
index c06a1a5..fd212c2 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/workspace/GWTUser.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/workspace/GWTUser.java
@@ -16,10 +16,7 @@ public class GWTUser implements IsSerializable, Comparable<GWTUser> {
 	
 	public GWTUser(){}
 	
-	/**
-	 * @param id
-	 * @param portaLogin
-	 */
+	
 	public GWTUser(String id, String portaLogin) {
 		this.id = id;
 		this.portaLogin = portaLogin;
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/workspace/folder/item/gcube/GWTDocument.java b/src/main/java/org/gcube/portlets/user/workspace/client/workspace/folder/item/gcube/GWTDocument.java
index 59fec34..7165aa8 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/workspace/folder/item/gcube/GWTDocument.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/workspace/folder/item/gcube/GWTDocument.java
@@ -29,19 +29,7 @@ public class GWTDocument extends GWTInfoObject implements IsSerializable {
 
 	public GWTDocument() {}
 	
-	/**
-	 * @param creationTime
-	 * @param id
-	 * @param properties
-	 * @param name
-	 * @param owner
-	 * @param description
-	 * @param lastModificationTime
-	 * @param lastAction
-	 * @param parent
-	 * @param oid
-	 * @param bridge
-	 */
+
 	public GWTDocument(Date creationTime, String id, GWTProperties properties, String name, String owner,
 			String description, Date lastModificationTime, GWTWorkspaceItemAction lastAction, GWTWorkspaceFolder parent,
 			long length, String oid, String mimeType, Map<String, GWTDocumentMetadata> metadata, Map<String, String>  annotation,