| /* |
| * Copyright 2000-2012 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.psi.impl; |
| |
| import com.intellij.injected.editor.VirtualFileWindow; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.FileViewProvider; |
| import com.intellij.psi.PsiDirectory; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.SingleRootFileViewProvider; |
| import com.intellij.psi.impl.file.impl.FileManager; |
| import com.intellij.util.containers.ConcurrentWeakValueHashMap; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * @author max |
| */ |
| class EmptyFileManager implements FileManager { |
| private final PsiManagerImpl myManager; |
| private final ConcurrentWeakValueHashMap<VirtualFile, FileViewProvider> myVFileToViewProviderMap = new ConcurrentWeakValueHashMap<VirtualFile, FileViewProvider>(); |
| |
| EmptyFileManager(final PsiManagerImpl manager) { |
| myManager = manager; |
| } |
| |
| @Override |
| public void dispose() { |
| } |
| |
| @Override |
| public PsiFile findFile(@NotNull VirtualFile vFile) { |
| return null; |
| } |
| |
| @Override |
| public PsiDirectory findDirectory(@NotNull VirtualFile vFile) { |
| return null; |
| } |
| |
| @Override |
| public void reloadFromDisk(@NotNull PsiFile file) { |
| } |
| |
| @Override |
| public PsiFile getCachedPsiFile(@NotNull VirtualFile vFile) { |
| return null; |
| } |
| |
| @Override |
| public void cleanupForNextTest() { |
| } |
| |
| @Override |
| public FileViewProvider findViewProvider(@NotNull VirtualFile file) { |
| return myVFileToViewProviderMap.get(file); |
| } |
| |
| @Override |
| public FileViewProvider findCachedViewProvider(@NotNull VirtualFile file) { |
| return myVFileToViewProviderMap.get(file); |
| } |
| |
| @Override |
| @NotNull |
| public FileViewProvider createFileViewProvider(@NotNull final VirtualFile file, final boolean eventSystemEnabled) { |
| return new SingleRootFileViewProvider(myManager, file, eventSystemEnabled); |
| } |
| |
| @Override |
| public void setViewProvider(@NotNull final VirtualFile virtualFile, final FileViewProvider singleRootFileViewProvider) { |
| if (!(virtualFile instanceof VirtualFileWindow)) { |
| if (singleRootFileViewProvider == null) { |
| myVFileToViewProviderMap.remove(virtualFile); |
| } |
| else { |
| myVFileToViewProviderMap.put(virtualFile, singleRootFileViewProvider); |
| } |
| } |
| } |
| |
| @NotNull |
| @Override |
| public List<PsiFile> getAllCachedFiles() { |
| return Collections.emptyList(); |
| } |
| } |