xml/impl/src/com/intellij/javaee/PsiExternalResourceNotifier.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   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 com.intellij.javaee;
  17
  18 import com.intellij.codeInsight.daemon.DaemonCodeAnalyzer;
  19 import com.intellij.openapi.components.AbstractProjectComponent;
  20 import com.intellij.openapi.project.Project;
  21 import com.intellij.openapi.util.Disposer;
  22 import com.intellij.openapi.Disposable;
  23 import com.intellij.psi.impl.PsiManagerEx;
  24 import org.jetbrains.annotations.NotNull;
  25
  26 /**
  27  * @author yole
  28  */
  29 public class PsiExternalResourceNotifier extends AbstractProjectComponent {
  30   private final PsiManagerEx myPsiManager;
  31   private final ExternalResourceManagerEx myExternalResourceManager;
  32   private final DaemonCodeAnalyzer myDaemonCodeAnalyzer;
  33
  34   public PsiExternalResourceNotifier(PsiManagerEx psiManager, ExternalResourceManager externalResourceManager,
  35                                      final DaemonCodeAnalyzer daemonCodeAnalyzer, Project project) {
  36     super(project);
  37     myPsiManager = psiManager;
  38     myExternalResourceManager = (ExternalResourceManagerEx)externalResourceManager;
  39     myDaemonCodeAnalyzer = daemonCodeAnalyzer;
  40     final ExternalResourceListener myExternalResourceListener = new MyExternalResourceListener();
  41     myExternalResourceManager.addExternalResourceListener(myExternalResourceListener);
  42     Disposer.register(project, new Disposable() {
  43       public void dispose() {
  44         myExternalResourceManager.removeExternalResourceListener(myExternalResourceListener);
  45       }
  46     });
  47   }
  48
  49   @NotNull
  50   public String getComponentName() {
  51     return "PsiExternalResourceNotifier";
  52   }
  53
  54   private class MyExternalResourceListener implements ExternalResourceListener {
  55     public void externalResourceChanged() {
  56       myPsiManager.physicalChange();
  57       myDaemonCodeAnalyzer.restart();
  58     }
  59   }
  60 }