SecureWorkbenchAdvisor.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.rcp;
  17
  18 import org.eclipse.ui.IPerspectiveDescriptor;
  19 import org.eclipse.ui.application.IWorkbenchConfigurer;
  20 import org.eclipse.ui.application.IWorkbenchWindowConfigurer;
  21 import org.eclipse.ui.application.WorkbenchAdvisor;
  22 import org.eclipse.ui.application.WorkbenchWindowAdvisor;
  23
  24 /**
  25  * Workbench configuration which is aware of the logged in user and can remember
  26  * workbench state.
  27  */
  28 public class SecureWorkbenchAdvisor extends WorkbenchAdvisor {
  29         public final static String INITIAL_PERSPECTIVE_PROPERTY = "org.argeo.security.ui.initialPerspective";
  30         public final static String SAVE_AND_RESTORE_PROPERTY = "org.argeo.security.ui.saveAndRestore";
  31
  32         private String initialPerspective = System.getProperty(
  33                         INITIAL_PERSPECTIVE_PROPERTY, null);
  34
  35         private final String username;
  36
  37         public SecureWorkbenchAdvisor(String username) {
  38                 this.username = username;
  39         }
  40
  41         @Override
  42         public void initialize(final IWorkbenchConfigurer configurer) {
  43                 super.initialize(configurer);
  44                 Boolean saveAndRestore = Boolean.parseBoolean(System.getProperty(
  45                                 SAVE_AND_RESTORE_PROPERTY, "true"));
  46                 configurer.setSaveAndRestore(saveAndRestore);
  47         }
  48
  49         public WorkbenchWindowAdvisor createWorkbenchWindowAdvisor(
  50                         IWorkbenchWindowConfigurer configurer) {
  51                 return new SecureWorkbenchWindowAdvisor(configurer, username);
  52         }
  53
  54         public String getInitialWindowPerspectiveId() {
  55                 if (initialPerspective != null) {
  56                         // check whether this user can see the declared perspective
  57                         // (typically the perspective won't be listed if this user doesn't
  58                         // have the right to see it)
  59                         IPerspectiveDescriptor pd = getWorkbenchConfigurer().getWorkbench()
  60                                         .getPerspectiveRegistry()
  61                                         .findPerspectiveWithId(initialPerspective);
  62                         if (pd == null)
  63                                 return null;
  64                 }
  65                 return initialPerspective;
  66         }
  67
  68         protected String getUsername() {
  69                 return username;
  70         }
  71 }