java/java-impl/src/com/intellij/psi/ClassFileViewProvider.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;
  21
  22 import com.intellij.openapi.fileTypes.FileType;
  23 import com.intellij.openapi.project.Project;
  24 import com.intellij.openapi.roots.ProjectRootManager;
  25 import com.intellij.openapi.roots.ProjectFileIndex;
  26 import com.intellij.openapi.vfs.VirtualFile;
  27 import com.intellij.psi.impl.PsiManagerImpl;
  28 import com.intellij.psi.impl.compiled.ClsFileImpl;
  29 import com.intellij.testFramework.LightVirtualFile;
  30 import org.jetbrains.annotations.NotNull;
  31
  32 public class ClassFileViewProvider extends SingleRootFileViewProvider {
  33   public ClassFileViewProvider(@NotNull final PsiManager manager, @NotNull final VirtualFile file) {
  34     super(manager, file);
  35   }
  36
  37   public ClassFileViewProvider(@NotNull final PsiManager manager, @NotNull final VirtualFile virtualFile, final boolean physical) {
  38     super(manager, virtualFile, physical);
  39   }
  40
  41   @Override
  42   protected PsiFile createFile(final Project project, final VirtualFile vFile, final FileType fileType) {
  43     final ProjectFileIndex fileIndex = ProjectRootManager.getInstance(project).getFileIndex();
  44     if (fileIndex.isInLibraryClasses(vFile) || !fileIndex.isInSource(vFile)) {
  45       String name = vFile.getName();
  46
  47       // skip inners & anonymous
  48       int dotIndex = name.lastIndexOf('.');
  49       if (dotIndex < 0) dotIndex = name.length();
  50       int index = name.lastIndexOf('$', dotIndex);
  51       if (index >= 0) return null;
  52
  53       return new ClsFileImpl((PsiManagerImpl)PsiManager.getInstance(project), this);
  54     }
  55     return null;
  56   }
  57
  58   @NotNull
  59   public SingleRootFileViewProvider createCopy(final LightVirtualFile copy) {
  60     return new ClassFileViewProvider(getManager(), copy, false);
  61   }
  62 }