java/java-impl/src/com/intellij/openapi/roots/impl/OldModuleRootsKeeper.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.openapi.roots.impl;
  17
  18 import com.intellij.openapi.module.Module;
  19 import com.intellij.openapi.module.ModuleComponent;
  20 import com.intellij.openapi.util.InvalidDataException;
  21 import com.intellij.openapi.util.JDOMExternalizable;
  22 import com.intellij.openapi.util.WriteExternalException;
  23 import org.jdom.Element;
  24
  25 import java.util.Iterator;
  26 import java.util.List;
  27
  28 /**
  29  *  @author dsl
  30  */
  31 public class OldModuleRootsKeeper implements ModuleComponent, JDOMExternalizable {
  32   private Element myElement;
  33
  34   public static OldModuleRootsKeeper getInstance(Module module) {
  35     return module.getComponent(OldModuleRootsKeeper.class);
  36   }
  37
  38   public OldModuleRootsKeeper(Module module) {
  39
  40   }
  41
  42   public String getComponentName() {
  43     return "ModuleRootManager";
  44   }
  45
  46   public void initComponent() { }
  47
  48   public void disposeComponent() {
  49   }
  50
  51   public void readExternal(Element element) throws InvalidDataException {
  52     myElement = (Element)element.clone();
  53   }
  54
  55
  56   public void writeExternal(Element element) throws WriteExternalException {
  57     if (myElement != null) {
  58       final List children = myElement.getChildren();
  59       for (final Object aChildren : children) {
  60         Element child = (Element)aChildren;
  61         element.addContent((Element)child.clone());
  62       }
  63     }
  64   }
  65
  66   public void projectOpened() {
  67   }
  68
  69   public void projectClosed() {
  70   }
  71
  72   public void moduleAdded() {
  73   }
  74
  75 }