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

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 * DDTUnit, a Datadriven Approach to Unit- and Moduletesting
 * Copyright (c) 2004, Joerg and Kai Gellien
 * All rights reserved.
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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();
  }
}