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.argeo.jcr.JcrUtils;
  26 import org.argeo.slc.SlcException;
  27 import org.argeo.slc.client.ui.dist.DistPlugin;
  28 import org.argeo.slc.client.ui.dist.utils.CommandHelpers;
  29 import org.eclipse.core.commands.AbstractHandler;
  30 import org.eclipse.core.commands.ExecutionEvent;
  31 import org.eclipse.core.commands.ExecutionException;
  32 import org.eclipse.jface.dialogs.MessageDialog;
  33
  34 /**
  35  * Delete chosen workspace in the current repository.
  36  */
  37
  38 public class DeleteWorkspace extends AbstractHandler {
  39         // private static final Log log = LogFactory.getLog(DeleteWorkspace.class);
  40
  41         public final static String ID = DistPlugin.ID + ".deleteWorkspace";
  42         public final static String PARAM_WORKSPACE_NAME = DistPlugin.ID
  43                         + ".workspaceName";
  44         public final static String DEFAULT_LABEL = "Delete";
  45         public final static String DEFAULT_ICON_PATH = "icons/removeItem.gif";
  46
  47         /* DEPENDENCY INJECTION */
  48         private Repository repository;
  49
  50         public Object execute(ExecutionEvent event) throws ExecutionException {
  51
  52                 String workspaceName = event.getParameter(PARAM_WORKSPACE_NAME);
  53
  54                 String msg = "Your are about to completely delete workspace ["
  55                                 + workspaceName + "].\n Do you really want to proceed ?";
  56
  57                 boolean result = MessageDialog.openConfirm(DistPlugin.getDefault()
  58                                 .getWorkbench().getDisplay().getActiveShell(),
  59                                 "Confirm workspace deletion", msg);
  60
  61                 if (result) {
  62                         // msg =
  63                         // "There is no possible turning back, are your REALLY sure you want to proceed ?";
  64                         msg = "WARNING: \nCurrent Jackrabbit version used does "
  65                                         + "not support workspace management.\n"
  66                                         + "Thus, the workspace will only be cleaned so "
  67                                         + "that you can launch fetch process again.\n\n"
  68                                         + "Do you still want to proceed ?";
  69                         result = MessageDialog.openConfirm(DistPlugin.getDefault()
  70                                         .getWorkbench().getDisplay().getActiveShell(),
  71                                         "Confirm workspace deletion", msg);
  72                 }
  73
  74                 if (result) {
  75                         Session session = null;
  76                         try {
  77                                 session = repository.login(workspaceName);
  78                                 // TODO use this with a newer version of Jackrabbit
  79                                 // Workspace wsp = session.getWorkspace();
  80                                 // wsp.deleteWorkspace(workspaceName);
  81
  82                                 NodeIterator nit = session.getRootNode().getNodes();
  83                                 while (nit.hasNext()) {
  84                                         Node node = nit.nextNode();
  85                                         if (node.isNodeType(NodeType.NT_FOLDER)
  86                                                         || node.isNodeType(NodeType.NT_UNSTRUCTURED)) {
  87                                                 // String path = node.getPath();
  88                                                 node.remove();
  89                                                 session.save();
  90                                         }
  91                                 }
  92                                 CommandHelpers.callCommand(RefreshDistributionsView.ID);
  93                         } catch (RepositoryException re) {
  94                                 throw new SlcException(
  95                                                 "Unexpected error while deleting workspace ["
  96                                                                 + workspaceName + "].", re);
  97                         } finally {
  98                                 JcrUtils.logoutQuietly(session);
  99                         }
 100                 }
 101                 return null;
 102         }
 103
 104         /* DEPENDENCY INJECTION */
 105         public void setRepository(Repository repository) {
 106                 this.repository = repository;
 107         }
 108 }