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// StringWriter.java - StringBuffer output stream

/* Copyright (C) 1998, 1999  Cygnus Solutions

   This file is part of libgcj.

This software is copyrighted work licensed under the terms of the
Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
details.  */

package java.io;

/**
 * @author Tom Tromey <tromey@cygnus.com>
 * @date September 25, 1998 
 */

/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
 * "The Java Language Specification", ISBN 0-201-63451-1
 * Status:  Complete to 1.1.
 */

public class StringWriter extends Writer
{
  public void close ()
  {
    // JCL says this does nothing.  This seems to violate the Writer
    // contract, in that other methods should still throw and
    // IOException after a close.  Still, we just follow JCL.
  }

  public void flush ()
  {
  }

  public StringBuffer getBuffer ()
  {
    return buffer;
  }

  public StringWriter ()
  {
    this (16);
  }

  protected StringWriter (int size)
  {
    super ();
    buffer = new StringBuffer (size);
    lock = buffer;
  }

  public String toString ()
  {
    return buffer.toString();
  }

  public void write (int oneChar)
  {
    buffer.append((char) oneChar);
  }

  public void write (char[] chars, int offset, int len)
  {
    buffer.append(chars, offset, len);
  }

  public void write (String str)
  {
    buffer.append(str);
  }

  public void write (String str, int offset, int len)
  {
    buffer.append(str.substring(offset, offset + len));
  }

  // The string buffer.
  private StringBuffer buffer;
}