plugins/org.argeo.slc.client.ui.dist/src/main/java/org/argeo/slc/client/ui/dist/commands/DeleteWorkspace.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.slc.client.ui.dist.commands;
  17
  18 import javax.jcr.Node;
  19 import javax.jcr.NodeIterator;
  20 import javax.jcr.Repository;
  21 import javax.jcr.RepositoryException;
  22 import javax.jcr.Session;
  23 import javax.jcr.nodetype.NodeType;
  24
  25 import org.apache.commons.logging.Log;
  26 import org.apache.commons.logging.LogFactory;
  27 import org.argeo.ArgeoException;
  28 import org.argeo.slc.client.ui.dist.DistPlugin;
  29 import org.argeo.slc.client.ui.dist.utils.CommandHelpers;
  30 import org.eclipse.core.commands.AbstractHandler;
  31 import org.eclipse.core.commands.ExecutionEvent;
  32 import org.eclipse.core.commands.ExecutionException;
  33 import org.eclipse.jface.dialogs.MessageDialog;
  34
  35 /**
  36  * Delete chosen workspace in the current repository.
  37  */
  38
  39 public class DeleteWorkspace extends AbstractHandler {
  40         private static final Log log = LogFactory.getLog(DeleteWorkspace.class);
  41
  42         public final static String ID = DistPlugin.ID + ".deleteWorkspace";
  43         public final static String PARAM_WORKSPACE_NAME = DistPlugin.ID
  44                         + ".workspaceName";
  45         public final static String DEFAULT_LABEL = "Delete";
  46         public final static String DEFAULT_ICON_PATH = "icons/removeItem.gif";
  47
  48         /* DEPENDENCY INJECTION */
  49         private Repository repository;
  50
  51         public Object execute(ExecutionEvent event) throws ExecutionException {
  52
  53                 // MessageDialog.openWarning(DistPlugin.getDefault()
  54                 // .getWorkbench().getDisplay().getActiveShell(),
  55                 // "WARNING", "Not yet implemented");
  56                 // return null;
  57
  58                 String workspaceName = event.getParameter(PARAM_WORKSPACE_NAME);
  59                 String msg = "Your are about to clear workspace [" + workspaceName
  60                                 + "].\n Do you really want to proceed ?";
  61
  62                 boolean result = MessageDialog.openConfirm(DistPlugin.getDefault()
  63                                 .getWorkbench().getDisplay().getActiveShell(),
  64                                 "Confirm workspace clear", msg);
  65                 if (result) {
  66                         Session session = null;
  67                         try {
  68                                 session = repository.login(workspaceName);
  69                                 NodeIterator nit = session.getRootNode().getNodes();
  70                                 while (nit.hasNext()) {
  71                                         Node node = nit.nextNode();
  72                                         if (node.isNodeType(NodeType.NT_FOLDER)
  73                                                         || node.isNodeType(NodeType.NT_UNSTRUCTURED)) {
  74                                                 String path = node.getPath();
  75                                                 node.remove();
  76                                                 session.save();
  77                                                 if (log.isDebugEnabled())
  78                                                         log.debug("Cleared " + path + " in "
  79                                                                         + workspaceName);
  80                                         }
  81                                 }
  82                                 CommandHelpers.callCommand(RefreshDistributionsView.ID);
  83                         } catch (RepositoryException re) {
  84                                 throw new ArgeoException(
  85                                                 "Unexpected error while deleting workspace ["
  86                                                                 + workspaceName + "].", re);
  87                         } finally {
  88                                 if (session != null)
  89                                         session.logout();
  90                         }
  91                 }
  92                 return null;
  93         }
  94
  95         /* DEPENDENCY INJECTION */
  96         public void setRepository(Repository repository) {
  97                 this.repository = repository;
  98         }
  99 }