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Internet2 Groups Management WS Core

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/*******************************************************************************
 * Copyright 2014 Internet2
 *  
 * 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 edu.internet2.middleware.grouper.ws.j2ee;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import javax.servlet.ServletOutputStream;
import javax.servlet.WriteListener;

/**
 * copy bytes to a buffer
 */
public class ServletOutputStreamCopier extends ServletOutputStream {

  /**
   * output stream
   */
  private OutputStream outputStream;

  /** keep a copy
   * 
   */
  private ByteArrayOutputStream copy;

  /**
   * constructor
   * @param outputStream1
   */
  public ServletOutputStreamCopier(OutputStream outputStream1) {
    this.outputStream = outputStream1;
    this.copy = new ByteArrayOutputStream(1024);
  }

  /**
   * 
   * @see java.io.OutputStream#write(int)
   */
  @Override
  public void write(int b) throws IOException {
    this.outputStream.write(b);
    this.copy.write(b);
  }

  /**
   * get the copy
   * @return bytes
   */
  public byte[] getCopy() {
    return this.copy.toByteArray();
  }

  /**
   * @see javax.servlet.ServletOutputStream#isReady()
   */
  //@Override
  public boolean isReady() {
    return true;
  }

  /**
   * @see javax.servlet.ServletOutputStream#setWriteListener(WriteListener)
   */
  //@Override
  public void setWriteListener(WriteListener writeListener) {
    throw new RuntimeException("Not implemented");
  }
}