org.argeo.security.ui.admin/src/org/argeo/security/ui/admin/commands/DeleteUsers.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.transaction.UserTransaction;
  23
  24 import org.argeo.security.ui.admin.SecurityAdminPlugin;
  25 import org.argeo.security.ui.admin.internal.UiAdminUtils;
  26 import org.argeo.security.ui.admin.views.UsersView;
  27 import org.eclipse.core.commands.AbstractHandler;
  28 import org.eclipse.core.commands.ExecutionEvent;
  29 import org.eclipse.core.commands.ExecutionException;
  30 import org.eclipse.jface.dialogs.MessageDialog;
  31 import org.eclipse.jface.viewers.ISelection;
  32 import org.eclipse.jface.viewers.IStructuredSelection;
  33 import org.eclipse.ui.IWorkbenchPage;
  34 import org.eclipse.ui.IWorkbenchPart;
  35 import org.eclipse.ui.IWorkbenchWindow;
  36 import org.eclipse.ui.handlers.HandlerUtil;
  37 import org.osgi.service.useradmin.User;
  38 import org.osgi.service.useradmin.UserAdmin;
  39
  40 /** Deletes the selected users */
  41 public class DeleteUsers extends AbstractHandler {
  42         public final static String ID = SecurityAdminPlugin.PLUGIN_ID
  43                         + ".deleteUsers";
  44
  45         /* DEPENDENCY INJECTION */
  46         private UserAdmin userAdmin;
  47         private UserTransaction userTransaction;
  48
  49         @SuppressWarnings("unchecked")
  50         public Object execute(ExecutionEvent event) throws ExecutionException {
  51                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  52                 if (selection.isEmpty())
  53                         return null;
  54
  55                 Map<String, String> toDelete = new TreeMap<String, String>();
  56                 // Map<String, User> toDelete = new TreeMap<String, User>();
  57                 Iterator<User> it = ((IStructuredSelection) selection).iterator();
  58                 users: while (it.hasNext()) {
  59                         User currUser = it.next();
  60                         String userName = UiAdminUtils.getUsername(currUser);
  61                         // TODO check not deleting own user
  62                         // if (userName.equals(profileNode.getSession().getUserID())) {
  63                         // log.warn("Cannot delete its own user: " + userName);
  64                         // continue nodes;
  65                         // }
  66                         toDelete.put(userName, currUser.getName());
  67                 }
  68
  69                 if (!MessageDialog
  70                                 .openQuestion(
  71                                                 HandlerUtil.getActiveShell(event),
  72                                                 "Delete Users",
  73                                                 "Are you sure that you want to delete users "
  74                                                                 + toDelete.keySet()
  75                                                                 + "?\n"
  76                                                                 + "This might lead to inconsistencies in the application."))
  77                         return null;
  78
  79                 UiAdminUtils.beginTransactionIfNeeded(userTransaction);
  80                 for (String name : toDelete.values()) {
  81                         userAdmin.removeRole(name);
  82                 }
  83
  84                 // TODO rather notify the update listener
  85                 forceRefresh(event);
  86                 return null;
  87         }
  88
  89         private void forceRefresh(ExecutionEvent event) {
  90                 IWorkbenchWindow iww = HandlerUtil.getActiveWorkbenchWindow(event);
  91                 if (iww == null)
  92                         return;
  93                 IWorkbenchPage activePage = iww.getActivePage();
  94                 IWorkbenchPart part = activePage.getActivePart();
  95                 if (part instanceof UsersView)
  96                         ((UsersView) part).refresh();
  97         }
  98
  99         /* DEPENDENCY INJECTION */
 100         public void setUserAdmin(UserAdmin userAdmin) {
 101                 this.userAdmin = userAdmin;
 102         }
 103
 104         public void setUserTransaction(UserTransaction userTransaction) {
 105                 this.userTransaction = userTransaction;
 106         }
 107 }