StreamPumper.java :  » Testing » DDTUnit » junitx » ddtunit » util » Java Open Source

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DDTUnit » junitx » ddtunit » util » StreamPumper.java
/********************************************************************************
 * DDTUnit, a Datadriven Approach to Unit- and Moduletesting
 * Copyright (c) 2004, Joerg and Kai Gellien
 * All rights reserved.
 *
 * The Software is provided under the terms of the Common Public License 1.0
 * as provided with the distribution of DDTUnit in the file cpl-v10.html.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *     + Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 *     + Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *
 *     + Neither the name of the authors or DDTUnit, nor the
 *       names of its contributors may be used to endorse or promote
 *       products derived from this software without specific prior
 *       written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package junitx.ddtunit.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;


/**
 * @author jg
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class StreamPumper {
  private Writer out = new OutputStreamWriter(System.err);

  /**
   * Default constructor - no extras
   */
  public StreamPumper() {
    // no extra initializations
  }

  /**
   *
   * Pumping data from a Reader to the default Writer implemented as System.out
   * @param in Reader to process
   * @throws IOException
   */
  public void pump(Reader in) throws IOException {
    BufferedReader bufReader = new BufferedReader(in);
    String line = bufReader.readLine();

    while (line != null) {
      out.write(line);
      line = bufReader.readLine();
    }

    out.flush();
  }
}
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