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//
// Copyright (C) 2010-2016 Micromata GmbH
//
// 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 de.micromata.genome.tpsb.httpmockup;

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

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

/**
 * Adopted from stripes.
 * 
 * Mock implementation of a ServletOutputStream that just uses a byte array output stream to capture any output and make it available after
 * the test is done.
 * 
 * @author Tim Fennell
 * @since Stripes 1.1
 */
public class MockServletOutputStream extends ServletOutputStream
{
  private ByteArrayOutputStream out = new ByteArrayOutputStream();

  /** Pass through method calls ByteArrayOutputStream.write(int b). */
  @Override
  public void write(int b) throws IOException
  {
    out.write(b);
  }

  /** Returns the array of bytes that have been written to the output stream. */
  public byte[] getBytes()
  {
    return out.toByteArray();
  }

  /** Returns, as a character string, the output that was written to the output stream. */
  public String getString()
  {
    return out.toString();
  }

  @Override
  public boolean isReady() {
    return false;
  }

  @Override
  public void setWriteListener(WriteListener writeListener) {

  }
}