security/plugins/org.argeo.security.ui.admin/src/main/java/org/argeo/security/ui/admin/commands/DeleteUser.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.security.ui.admin.commands;
  17
  18 import java.util.Iterator;
  19 import java.util.Map;
  20 import java.util.TreeMap;
  21
  22 import javax.jcr.Node;
  23 import javax.jcr.RepositoryException;
  24 import javax.jcr.Session;
  25
  26 import org.apache.commons.logging.Log;
  27 import org.apache.commons.logging.LogFactory;
  28 import org.argeo.ArgeoException;
  29 import org.argeo.jcr.ArgeoNames;
  30 import org.argeo.jcr.JcrUtils;
  31 import org.argeo.security.UserAdminService;
  32 import org.argeo.security.ui.admin.views.UsersView;
  33 import org.eclipse.core.commands.AbstractHandler;
  34 import org.eclipse.core.commands.ExecutionEvent;
  35 import org.eclipse.core.commands.ExecutionException;
  36 import org.eclipse.jface.dialogs.MessageDialog;
  37 import org.eclipse.jface.viewers.ISelection;
  38 import org.eclipse.jface.viewers.IStructuredSelection;
  39 import org.eclipse.ui.handlers.HandlerUtil;
  40
  41 /** Deletes the select user nodes */
  42 public class DeleteUser extends AbstractHandler {
  43         private final static Log log = LogFactory.getLog(DeleteUser.class);
  44
  45         private UserAdminService userAdminService;
  46
  47         @SuppressWarnings("unchecked")
  48         public Object execute(ExecutionEvent event) throws ExecutionException {
  49                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  50                 if (selection.isEmpty())
  51                         return null;
  52
  53                 Map<String, Node> toDelete = new TreeMap<String, Node>();
  54                 Iterator<Node> it = ((IStructuredSelection) selection).iterator();
  55                 nodes: while (it.hasNext()) {
  56                         Node profileNode = it.next();
  57                         try {
  58                                 String userName = profileNode.getProperty(
  59                                                 ArgeoNames.ARGEO_USER_ID).getString();
  60                                 if (userName.equals(profileNode.getSession().getUserID())) {
  61                                         log.warn("Cannot delete its own user: " + userName);
  62                                         continue nodes;
  63                                 }
  64                                 toDelete.put(userName, profileNode);
  65                         } catch (RepositoryException e) {
  66                                 log.warn("Cannot interpred user " + profileNode);
  67                         }
  68                 }
  69
  70                 if (!MessageDialog
  71                                 .openQuestion(
  72                                                 HandlerUtil.getActiveShell(event),
  73                                                 "Delete User",
  74                                                 "Are you sure that you want to delete users "
  75                                                                 + toDelete.keySet()
  76                                                                 + "?\n"
  77                                                                 + "This may lead to inconsistencies in the application."))
  78                         return null;
  79
  80                 for (String username : toDelete.keySet()) {
  81                         Session session = null;
  82                         try {
  83                                 Node profileNode = toDelete.get(username);
  84                                 userAdminService.deleteUser(username);
  85                                 profileNode.getParent().remove();
  86                                 session = profileNode.getSession();
  87                                 session.save();
  88                         } catch (RepositoryException e) {
  89                                 JcrUtils.discardQuietly(session);
  90                                 throw new ArgeoException("Cannot list users", e);
  91                         }
  92                 }
  93
  94                 userAdminService.synchronize();
  95                 UsersView view = (UsersView) HandlerUtil
  96                                 .getActiveWorkbenchWindow(event).getActivePage()
  97                                 .findView(UsersView.ID);
  98                 view.refresh();
  99                 return null;
 100         }
 101
 102         public void setUserAdminService(UserAdminService userAdminService) {
 103                 this.userAdminService = userAdminService;
 104         }
 105 }