xml/impl/src/com/intellij/xml/index/ResourceRelevance.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.xml.index;
  17
  18 import com.intellij.javaee.ExternalResourceManager;
  19 import com.intellij.javaee.ExternalResourceManagerImpl;
  20 import com.intellij.openapi.module.Module;
  21 import com.intellij.openapi.module.ModuleManager;
  22 import com.intellij.openapi.roots.OrderEntry;
  23 import com.intellij.openapi.roots.ProjectFileIndex;
  24 import com.intellij.openapi.vfs.VirtualFile;
  25 import org.jetbrains.annotations.Nullable;
  26
  27 import java.util.List;
  28
  29 /**
  30  * @author Dmitry Avdeev
  31  */
  32 public enum ResourceRelevance {
  33
  34   NONE,
  35   STANDARD,
  36   LIBRARY,
  37   SOURCE,
  38   MAPPED;
  39
  40   public static ResourceRelevance getRelevance(VirtualFile file, @Nullable Module module, ProjectFileIndex fileIndex) {
  41     if (module != null) {
  42       Module moduleForFile = fileIndex.getModuleForFile(file);
  43       if (moduleForFile != null) { // in module content
  44         return module.equals(moduleForFile) || ModuleManager.getInstance(module.getProject()).isModuleDependent(module, moduleForFile) ? SOURCE : NONE;
  45       }
  46     }
  47     if (fileIndex.isInLibraryClasses(file)) {
  48       List<OrderEntry> orderEntries = fileIndex.getOrderEntriesForFile(file);
  49       if (orderEntries.isEmpty()) {
  50         return NONE;
  51       }
  52       if (module != null) {
  53         for (OrderEntry orderEntry : orderEntries) {
  54           Module ownerModule = orderEntry.getOwnerModule();
  55           if (ownerModule.equals(module)) {
  56             return LIBRARY;
  57           }
  58         }
  59       }
  60     }
  61     ExternalResourceManagerImpl resourceManager = (ExternalResourceManagerImpl)ExternalResourceManager.getInstance();
  62     if (resourceManager.isUserResource(file)) {
  63       return MAPPED;
  64     }
  65     if (ExternalResourceManagerImpl.isStandardResource(file)) {
  66       return STANDARD;
  67     }
  68     return NONE;
  69   }
  70 }