diff --git a/src/main/java/org/gcube/portlets/user/workspace/server/DownloadPublicLinkServlet.java b/src/main/java/org/gcube/portlets/user/workspace/server/DownloadPublicLinkServlet.java
index add3093..39d500e 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/server/DownloadPublicLinkServlet.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/server/DownloadPublicLinkServlet.java
@@ -3,14 +3,10 @@
  */
 package org.gcube.portlets.user.workspace.server;
 
-import java.io.BufferedInputStream;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.StringReader;
 
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
@@ -21,35 +17,17 @@ import org.apache.commons.io.IOUtils;
 import org.gcube.common.core.scope.GCUBEScope;
 import org.gcube.common.core.utils.logging.GCUBELog;
 import org.gcube.portlets.user.homelibrary.home.HomeLibrary;
-import org.gcube.portlets.user.homelibrary.home.exceptions.InternalErrorException;
 import org.gcube.portlets.user.homelibrary.home.workspace.Workspace;
-import org.gcube.portlets.user.homelibrary.home.workspace.WorkspaceFolder;
 import org.gcube.portlets.user.homelibrary.home.workspace.WorkspaceItem;
-import org.gcube.portlets.user.homelibrary.home.workspace.exceptions.ExternalResourceBrokenLinkException;
-import org.gcube.portlets.user.homelibrary.home.workspace.exceptions.ExternalResourcePluginNotFoundException;
-import org.gcube.portlets.user.homelibrary.home.workspace.exceptions.ItemNotFoundException;
-import org.gcube.portlets.user.homelibrary.home.workspace.folder.FolderItem;
-import org.gcube.portlets.user.homelibrary.home.workspace.folder.items.AquaMapsItem;
 import org.gcube.portlets.user.homelibrary.home.workspace.folder.items.ExternalFile;
-import org.gcube.portlets.user.homelibrary.home.workspace.folder.items.ExternalImage;
-import org.gcube.portlets.user.homelibrary.home.workspace.folder.items.ExternalResourceLink;
-import org.gcube.portlets.user.homelibrary.home.workspace.folder.items.ExternalUrl;
-import org.gcube.portlets.user.homelibrary.home.workspace.folder.items.Query;
-import org.gcube.portlets.user.homelibrary.home.workspace.folder.items.Report;
-import org.gcube.portlets.user.homelibrary.home.workspace.folder.items.ReportTemplate;
-import org.gcube.portlets.user.homelibrary.home.workspace.folder.items.gcube.Document;
-import org.gcube.portlets.user.homelibrary.home.workspace.folder.items.gcube.Metadata;
-import org.gcube.portlets.user.homelibrary.home.workspace.folder.items.ts.TimeSeries;
-import org.gcube.portlets.user.homelibrary.util.Extensions;
-import org.gcube.portlets.user.homelibrary.util.MimeTypeUtil;
-import org.gcube.portlets.user.homelibrary.util.zip.ZipUtil;
-import org.gcube.portlets.user.workspace.client.ConstantsExplorer;
 import org.gcube.portlets.user.workspace.server.property.PortalUrlGroupGatewayProperty;
-import org.gcube.portlets.user.workspace.server.util.WsUtil;
 import org.gcube.portlets.user.workspace.shared.HandlerResultMessage;
 
+
 /**
- * @author Federico De Faveri defaveri@isti.cnr.it
+ * 
+ * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
+ * @Jul 1, 2013
  *
  */
 public class DownloadPublicLinkServlet extends HttpServlet{
@@ -64,7 +42,7 @@ public class DownloadPublicLinkServlet extends HttpServlet{
 	@Override
 	public void init() throws ServletException {
 		super.init();
-		logger.trace("Workspace DownloadServlet ready.");
+		logger.trace("Workspace DownloadPublicLinkServlet ready.");
 	}
 
 	public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {