security/plugins/org.argeo.security.ui.admin/src/main/java/org/argeo/security/ui/admin/commands/RefreshUsersList.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.Set;
  19
  20 import javax.jcr.Node;
  21 import javax.jcr.NodeIterator;
  22 import javax.jcr.Repository;
  23 import javax.jcr.RepositoryException;
  24 import javax.jcr.Session;
  25 import javax.jcr.query.Query;
  26
  27 import org.argeo.ArgeoException;
  28 import org.argeo.jcr.ArgeoNames;
  29 import org.argeo.jcr.ArgeoTypes;
  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.ui.handlers.HandlerUtil;
  37
  38 /**
  39  * Refreshes the main user list, removing nodes which are not referenced by user
  40  * admin service.
  41  */
  42 public class RefreshUsersList extends AbstractHandler {
  43         private UserAdminService userAdminService;
  44         private Repository repository;
  45
  46         public Object execute(ExecutionEvent event) throws ExecutionException {
  47                 Set<String> users = userAdminService.listUsers();
  48                 Session session = null;
  49                 try {
  50                         session = repository.login();
  51                         Query query = session
  52                                         .getWorkspace()
  53                                         .getQueryManager()
  54                                         .createQuery(
  55                                                         "select * from [" + ArgeoTypes.ARGEO_USER_HOME
  56                                                                         + "]", Query.JCR_SQL2);
  57                         NodeIterator nit = query.execute().getNodes();
  58                         while (nit.hasNext()) {
  59                                 Node node = nit.nextNode();
  60                                 String username = node.getProperty(ArgeoNames.ARGEO_USER_ID)
  61                                                 .getString();
  62                                 if (!users.contains(username))
  63                                         node.remove();
  64                         }
  65                         session.save();
  66                 } catch (RepositoryException e) {
  67                         JcrUtils.discardQuietly(session);
  68                         throw new ArgeoException("Cannot list users", e);
  69                 } finally {
  70                         JcrUtils.logoutQuietly(session);
  71                 }
  72
  73                 userAdminService.synchronize();
  74                 UsersView view = (UsersView) HandlerUtil
  75                                 .getActiveWorkbenchWindow(event).getActivePage()
  76                                 .findView(UsersView.ID);
  77                 view.refresh();
  78                 return null;
  79         }
  80
  81         public void setUserAdminService(UserAdminService userAdminService) {
  82                 this.userAdminService = userAdminService;
  83         }
  84
  85         public void setRepository(Repository repository) {
  86                 this.repository = repository;
  87         }
  88
  89 }