java/compiler/impl/src/com/intellij/compiler/impl/javaCompiler/api/FileVirtualObject.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.compiler.impl.javaCompiler.api;
  17
  18 import com.intellij.openapi.fileEditor.impl.LoadTextUtil;
  19 import com.intellij.openapi.vfs.VirtualFile;
  20
  21 import javax.tools.*;
  22 import java.io.IOException;
  23 import java.io.InputStream;
  24 import java.io.OutputStream;
  25 import java.net.URI;
  26
  27 /**
  28  * @author cdr
  29  */
  30 @SuppressWarnings({"Since15"})
  31 public abstract class FileVirtualObject extends SimpleJavaFileObject {
  32   public FileVirtualObject(URI uri, Kind kind) {
  33     super(uri, kind);
  34   }
  35
  36   protected abstract VirtualFile getVirtualFile();
  37   @Override
  38   public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
  39     VirtualFile virtualFile = getVirtualFile();
  40     if (virtualFile == null) return null;
  41     return LoadTextUtil.loadText(virtualFile);
  42   }
  43
  44   @Override
  45   public InputStream openInputStream() throws IOException {
  46     return getVirtualFile().getInputStream();
  47   }
  48
  49   @Override
  50   public OutputStream openOutputStream() throws IOException {
  51     return getVirtualFile().getOutputStream(this);
  52   }
  53
  54   @Override
  55   public String toString() {
  56     return toUri().toString();
  57   }
  58   @Override
  59   public int hashCode() {
  60     return toUri().hashCode();
  61   }
  62
  63   @Override
  64   public boolean equals(Object obj) {
  65     return obj instanceof JavaFileObject && toUri().equals(((JavaFileObject)obj).toUri());
  66   }
  67 }