www.pudn.com > jnp-src.rar > Echo.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 Echo implements HttpClassProcessor { 
  protected String message; 
   
  public void initRequest (HttpInputStream in) throws IOException { 
    if (in.getMethod () != HTTP.METHOD_GET) 
      throw new HttpException 
        (HTTP.STATUS_NOT_ALLOWED, 
         "Request method " + in.getMethod () + " not allowed."); 
    message = HTTP.decodeString (in.getQueryString ()); 
  } 
 
  public void processRequest (HttpOutputStream out) throws IOException { 
    out.setHeader ("Content-type", "text/plain"); 
    if (out.sendHeaders ()) 
      out.write (message + "\r\n"); 
  } 
}