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.Credentials;
  19 import javax.jcr.Node;
  20 import javax.jcr.NodeIterator;
  21 import javax.jcr.Repository;
  22 import javax.jcr.RepositoryException;
  23 import javax.jcr.Session;
  24 import javax.jcr.nodetype.NodeType;
  25
  26 import org.argeo.jcr.JcrUtils;
  27 import org.argeo.slc.SlcException;
  28 import org.argeo.slc.client.ui.dist.DistPlugin;
  29 import org.argeo.slc.client.ui.dist.utils.CommandHelpers;
  30 import org.argeo.slc.client.ui.dist.views.DistributionsView;
  31 import org.argeo.slc.client.ui.dist.views.DistributionsView.DistributionViewSelectedElement;
  32 import org.eclipse.core.commands.AbstractHandler;
  33 import org.eclipse.core.commands.ExecutionEvent;
  34 import org.eclipse.core.commands.ExecutionException;
  35 import org.eclipse.jface.dialogs.MessageDialog;
  36 import org.eclipse.ui.IWorkbenchPart;
  37 import org.eclipse.ui.IWorkbenchWindow;
  38
  39 /**
  40  * Delete chosen workspace in the current repository.
  41  */
  42
  43 public class DeleteWorkspace extends AbstractHandler {
  44         // private static final Log log = LogFactory.getLog(DeleteWorkspace.class);
  45
  46         public final static String ID = DistPlugin.ID + ".deleteWorkspace";
  47         public final static String DEFAULT_LABEL = "Clear";
  48         public final static String DEFAULT_ICON_PATH = "icons/removeItem.gif";
  49
  50         private Repository repository;
  51         private Credentials credentials;
  52
  53         public Object execute(ExecutionEvent event) throws ExecutionException {
  54
  55                 String workspaceName = "";
  56
  57                 IWorkbenchWindow iww = DistPlugin.getDefault().getWorkbench()
  58                                 .getActiveWorkbenchWindow();
  59                 IWorkbenchPart view = iww.getActivePage().getActivePart();
  60                 if (view instanceof DistributionsView) {
  61                         DistributionViewSelectedElement dvse = ((DistributionsView) view)
  62                                         .getSelectedElement();
  63                         if (dvse != null && (dvse.isWorkspace)) {
  64                                 repository = dvse.repository;
  65                                 credentials = dvse.credentials;
  66                                 workspaceName = dvse.wkspName;
  67                         }
  68                 }
  69
  70                 if (repository == null)
  71                         return null;
  72
  73                 String msg = "Your are about to completely delete workspace ["
  74                                 + workspaceName + "].\n Do you really want to proceed ?";
  75                 boolean result = MessageDialog.openConfirm(DistPlugin.getDefault()
  76                                 .getWorkbench().getDisplay().getActiveShell(),
  77                                 "Confirm workspace deletion", msg);
  78
  79                 if (result) {
  80                         // msg =
  81                         // "There is no possible turning back, are your REALLY sure you want to proceed ?";
  82                         msg = "WARNING: \nCurrent Jackrabbit version used does "
  83                                         + "not support workspace management.\n"
  84                                         + "Thus, the workspace will only be cleaned so "
  85                                         + "that you can launch fetch process again.\n\n"
  86                                         + "Do you still want to proceed ?";
  87                         result = MessageDialog.openConfirm(DistPlugin.getDefault()
  88                                         .getWorkbench().getDisplay().getActiveShell(),
  89                                         "Confirm workspace deletion", msg);
  90                 }
  91
  92                 if (result) {
  93                         Session session = null;
  94                         try {
  95                                 session = repository.login(credentials, workspaceName);
  96                                 // TODO use this with a newer version of Jackrabbit
  97                                 // Workspace wsp = session.getWorkspace();
  98                                 // wsp.deleteWorkspace(workspaceName);
  99
 100                                 NodeIterator nit = session.getRootNode().getNodes();
 101                                 while (nit.hasNext()) {
 102                                         Node node = nit.nextNode();
 103                                         if (node.isNodeType(NodeType.NT_FOLDER)
 104                                                         || node.isNodeType(NodeType.NT_UNSTRUCTURED)) {
 105                                                 // String path = node.getPath();
 106                                                 node.remove();
 107                                                 session.save();
 108                                         }
 109                                 }
 110                                 CommandHelpers.callCommand(RefreshDistributionsView.ID);
 111                         } catch (RepositoryException re) {
 112                                 throw new SlcException(
 113                                                 "Unexpected error while deleting workspace ["
 114                                                                 + workspaceName + "].", re);
 115                         } finally {
 116                                 JcrUtils.logoutQuietly(session);
 117                         }
 118                 }
 119                 return null;
 120         }
 121 }