org.argeo.security.ui.admin/src/org/argeo/security/ui/admin/commands/DeleteGroups.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.ArrayList;
  19 import java.util.Iterator;
  20 import java.util.List;
  21
  22 import org.argeo.security.ui.admin.SecurityAdminPlugin;
  23 import org.argeo.security.ui.admin.internal.UiAdminUtils;
  24 import org.argeo.security.ui.admin.internal.UserAdminWrapper;
  25 import org.eclipse.core.commands.AbstractHandler;
  26 import org.eclipse.core.commands.ExecutionEvent;
  27 import org.eclipse.core.commands.ExecutionException;
  28 import org.eclipse.jface.dialogs.MessageDialog;
  29 import org.eclipse.jface.viewers.ISelection;
  30 import org.eclipse.jface.viewers.IStructuredSelection;
  31 import org.eclipse.ui.handlers.HandlerUtil;
  32 import org.osgi.service.useradmin.Group;
  33 import org.osgi.service.useradmin.UserAdmin;
  34 import org.osgi.service.useradmin.UserAdminEvent;
  35
  36 /** Deletes the selected groups */
  37 public class DeleteGroups extends AbstractHandler {
  38         public final static String ID = SecurityAdminPlugin.PLUGIN_ID
  39                         + ".deleteGroups";
  40
  41         /* DEPENDENCY INJECTION */
  42         private UserAdminWrapper userAdminWrapper;
  43
  44         @SuppressWarnings("unchecked")
  45         public Object execute(ExecutionEvent event) throws ExecutionException {
  46                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  47                 if (selection.isEmpty())
  48                         return null;
  49
  50                 List<Group> groups = new ArrayList<Group>();
  51                 Iterator<Group> it = ((IStructuredSelection) selection).iterator();
  52                 StringBuilder builder = new StringBuilder();
  53                 while (it.hasNext()) {
  54                         Group currGroup = it.next();
  55                         String groupName = UiAdminUtils.getUsername(currGroup);
  56                         // TODO add checks
  57                         builder.append(groupName).append("; ");
  58                         groups.add(currGroup);
  59                 }
  60
  61                 if (!MessageDialog.openQuestion(HandlerUtil.getActiveShell(event),
  62                                 "Delete Groups",
  63                                 "Are you sure that you " + "want to delete these groups?\n"
  64                                                 + builder.substring(0, builder.length() - 2)))
  65                         return null;
  66
  67                 userAdminWrapper.beginTransactionIfNeeded();
  68                 UserAdmin userAdmin = userAdminWrapper.getUserAdmin();
  69                 for (Group group : groups) {
  70                         userAdmin.removeRole(group.getName());
  71                         userAdminWrapper.notifyListeners(new UserAdminEvent(null,
  72                                         UserAdminEvent.ROLE_REMOVED, group));
  73                 }
  74                 return null;
  75         }
  76
  77         /* DEPENDENCY INJECTION */
  78         public void setUserAdminWrapper(UserAdminWrapper userAdminWrapper) {
  79                 this.userAdminWrapper = userAdminWrapper;
  80         }
  81 }