platform/lang-impl/src/com/intellij/psi/impl/EmptyFileManager.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
  17 /*
  18  * @author max
  19  */
  20 package com.intellij.psi.impl;
  21
  22 import com.intellij.openapi.vfs.VirtualFile;
  23 import com.intellij.psi.*;
  24 import com.intellij.psi.impl.file.impl.FileManager;
  25 import com.intellij.psi.search.GlobalSearchScope;
  26 import org.jetbrains.annotations.NotNull;
  27
  28 import java.util.Collections;
  29 import java.util.List;
  30
  31 class EmptyFileManager implements FileManager {
  32   private final PsiManagerImpl myManager;
  33
  34   EmptyFileManager(final PsiManagerImpl manager) {
  35     myManager = manager;
  36   }
  37
  38   public void dispose() {
  39   }
  40
  41   public void runStartupActivity() {
  42   }
  43
  44   public PsiFile findFile(@NotNull VirtualFile vFile) {
  45     return null;
  46   }
  47
  48   public PsiDirectory findDirectory(@NotNull VirtualFile vFile) {
  49     return null;
  50   }
  51
  52   public void reloadFromDisk(@NotNull PsiFile file)
  53   {
  54   }
  55
  56   public PsiFile getCachedPsiFile(@NotNull VirtualFile vFile) {
  57     return null;
  58   }
  59
  60   @NotNull
  61   public GlobalSearchScope getResolveScope(@NotNull PsiElement element) {
  62     return GlobalSearchScope.EMPTY_SCOPE;
  63   }
  64
  65   @NotNull
  66   public GlobalSearchScope getUseScope(@NotNull PsiElement element) {
  67     return GlobalSearchScope.EMPTY_SCOPE;
  68   }
  69
  70   public void cleanupForNextTest() {
  71   }
  72
  73   public FileViewProvider findViewProvider(VirtualFile file) {
  74     return null;
  75   }
  76
  77   public FileViewProvider findCachedViewProvider(VirtualFile file) {
  78     return null;
  79   }
  80
  81   public FileViewProvider createFileViewProvider(final VirtualFile file, final boolean physical) {
  82     return new SingleRootFileViewProvider(myManager, file, physical);
  83   }
  84
  85   public void setViewProvider(final VirtualFile virtualFile, final FileViewProvider singleRootFileViewProvider) {
  86
  87   }
  88
  89   public List<PsiFile> getAllCachedFiles() {
  90     return Collections.emptyList();
  91   }
  92 }