www.pudn.com > jnp-src.rar > FilterTest.java

/*
 * 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 FilterTest { 
  public static void main (String[] args) { 
    BufferedInputStream bufferedIn = new BufferedInputStream (System.in); 
    BufferedOutputStream bufferedOut = new BufferedOutputStream (System.out); 
    LineNumberInputStream lineNumberIn = 
      new LineNumberInputStream (bufferedIn); 
    DataInputStream dataIn = new DataInputStream (lineNumberIn); 
    DataOutputStream dataOut = new DataOutputStream (bufferedOut); 
    try { 
      String line; 
      while ((line = dataIn.readLine ()) != null) { 
        String response = lineNumberIn.getLineNumber () + " : " + 
          line.toUpperCase () + "\n"; 
        dataOut.writeBytes (response); 
      } 
      dataOut.flush (); 
    } catch (IOException ex) { 
      System.err.println (ex); 
    } 
  } 
}