Added Resume UI state

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/tabular-data-gwt-service@100397 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/portlets/user/td/gwtservice/client/rpc/TDGWTService.java

@@ -213,6 +213,14 @@ public interface TDGWTService extends RemoteService {
 	public ColumnData getConnection(RefColumn refColumn)
 			throws TDGWTServiceException;
 
+	/**
+	 * Close current tabular resource
+	 * 
+	 * @param trId
+	 * @throws TDGWTServiceException
+	 */
+	public void closeTabularResource() throws TDGWTServiceException;
+
 	// Task
 	/**
 	 * Resubmit task

src/main/java/org/gcube/portlets/user/td/gwtservice/client/rpc/TDGWTServiceAsync.java

@@ -128,7 +128,9 @@ public interface TDGWTServiceAsync {
 			AsyncCallback<ColumnData> callback);
 
 	void getConnection(RefColumn refColumn, AsyncCallback<ColumnData> callback);
-
+	
+	void closeTabularResource(AsyncCallback<Void> callback);
+	
 	// Task
 	void startTaskResubmit(TaskResubmitSession taskResubmitSession,
 			AsyncCallback<String> callback);

src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java

@@ -321,22 +321,16 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 			HttpSession session = this.getThreadLocalRequest().getSession();
 			SessionUtil.getAslSession(session);
 
-			TabResource currentTR = SessionUtil.getTabResource(session);
+			TRId trId = SessionUtil.getTRId(session);
 			logger.debug("getCurrentTRId()");
-			if (currentTR == null) {
+			if (trId == null) {
 				logger.error("Current Tabular Resource is null");
 				throw new TDGWTServiceException(
 						"Current Tabular Resource is null");
 			}
-			logger.debug("getCurrentTRId():" + currentTR.toString());
+			logger.debug("getCurrentTRId():" + trId);
 
-			if (currentTR.getTrId() == null) {
-				logger.error("Current Tabular Resource has TRId null");
-				throw new TDGWTServiceException(
-						"Current Tabular Resource has TRId null");
-			}
-			logger.debug("getCurrentTRId():" + currentTR.getTrId());
-			return currentTR.getTrId();
+			return trId;
 
 		} catch (TDGWTServiceException e) {
 			throw e;
@@ -351,11 +345,41 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 		}
 
 	}
+	
+	/**
+	 * 
+	 * {@inheritDoc}
+	 */
+	@Override
+	public void closeTabularResource() throws TDGWTServiceException {
+		try {
+			HttpSession session = this.getThreadLocalRequest().getSession();
+			SessionUtil.getAslSession(session);
+
+			SessionUtil.setTabResource(session,null);
+			SessionUtil.setTRId(session, null);
+			return;
+
+		} catch (TDGWTServiceException e) {
+			throw e;
+		} catch (SecurityException e) {
+			e.printStackTrace();
+			throw new TDGWTServiceException(
+					"Security exception, you haven't rights!");
+		} catch (Throwable e) {
+			logger.error("getCurrentTRID(): " + e.getLocalizedMessage(), e);
+			throw new TDGWTServiceException("Error retrieving TR id: "
+					+ e.getLocalizedMessage());
+		}
+		
+	}
+	
 
 	/**
 	 * 
 	 * {@inheritDoc}
 	 */
+	@Override
 	public TabResource getTabResourceInformation() throws TDGWTServiceException {
 		try {
 			HttpSession session = this.getThreadLocalRequest().getSession();
@@ -6675,4 +6699,6 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 
 	}
 
+	
+
 }