overwritingfileoutputstream.java

来自「java网络编程方面的源码,其中有一个整合的聊天室,比较不错,建议大家下载练习,」· Java 代码 · 共 24 行

/*
 * Java Network Programming, Second Edition
 * Merlin Hughes, Michael Shoffner, Derek Hamner
 * Manning Publications Company; ISBN 188477749X
 *
 * http://nitric.com/jnp/
 *
 * Copyright (c) 1997-1999 Merlin Hughes, Michael Shoffner, Derek Hamner;
 * all rights reserved; see license.txt for details.
 */

import java.io.*;

public class OverwritingFileOutputStream extends FileOutputStream {
  public OverwritingFileOutputStream (String filename) throws IOException {
    super (getFDOf (filename));
  }
  
  protected static FileDescriptor getFDOf (String filename) throws IOException {
    RandomAccessFile file = new RandomAccessFile (filename, "rw");
    return file.getFD ();
  }
}