content: /*
   * Copyright (C) 2010-2101 Alibaba Group Holding Limited.
   *
   * 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.alibaba.otter.shared.common.utils.compile.model;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.net.URI;
  
  import javax.tools.SimpleJavaFileObject;
  
  import com.alibaba.otter.shared.common.utils.compile.impl.JdkCompileTask;
  
  public final class JavaFileObjectImpl extends SimpleJavaFileObject {
  
      // If kind == CLASS, this stores byte code from openOutputStream
      private ByteArrayOutputStream byteCode = new ByteArrayOutputStream();
  
      // if kind == SOURCE, this contains the source text
      private final CharSequence    source;
  
      public JavaFileObjectImpl(final String baseName, final CharSequence source){
          super(JdkCompileTask.toURI(baseName + JdkCompileTask.JAVA_EXTENSION), Kind.SOURCE);
          this.source = source;
      }
  
      public JavaFileObjectImpl(final String name, final Kind kind){
          super(JdkCompileTask.toURI(name), kind);
          source = null;
      }
  
      public JavaFileObjectImpl(URI uri, Kind kind){
          super(uri, kind);
          source = null;
      }
  
      @Override
      public CharSequence getCharContent(final boolean ignoreEncodingErrors) throws UnsupportedOperationException {
          if (source == null) {
              throw new UnsupportedOperationException();
          }
  
          return source;
      }
  
      @Override
      public InputStream openInputStream() {
          return new ByteArrayInputStream(getByteCode());
      }
  
      @Override
      public OutputStream openOutputStream() {
          return byteCode;
      }
  
      public byte[] getByteCode() {
          return byteCode.toByteArray();
      }
  }
  