Quadcap Embeddable Server

com/quadcap/http/server22/AdminServlet.java

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package com.quadcap.http.server22;

/* Copyright 1998 - 2003 Quadcap Software.  All rights reserved.
 *
 * This software is distributed under the Quadcap Free Software License.
 * This software may be used or modified for any purpose, personal or
 * commercial.  Open Source redistributions are permitted.  Commercial
 * redistribution of larger works derived from, or works which bundle
 * this software requires a "Commercial Redistribution License"; see
 * http://www.quadcap.com/purchase.
 *
 * Redistributions qualify as "Open Source" under  one of the following terms:
 *   
 *    Redistributions are made at no charge beyond the reasonable cost of
 *    materials and delivery.
 *
 *    Redistributions are accompanied by a copy of the Source Code or by an
 *    irrevocable offer to provide a copy of the Source Code for up to three
 *    years at the cost of materials and delivery.  Such redistributions
 *    must allow further use, modification, and redistribution of the Source
 *    Code under substantially the same terms as this license.
 *
 * Redistributions of source code must retain the copyright notices as they
 * appear in each source code file, these license terms, and the
 * disclaimer/limitation of liability set forth as paragraph 6 below.
 *
 * Redistributions in binary form must reproduce this Copyright Notice,
 * these license terms, and the disclaimer/limitation of liability set
 * forth as paragraph 6 below, in the documentation and/or other materials
 * provided with the distribution.
 *
 * The Software is provided on an "AS IS" basis.  No warranty is
 * provided that the Software is free of defects, or fit for a
 * particular purpose.  
 *
 * Limitation of Liability. Quadcap Software shall not be liable
 * for any damages suffered by the Licensee or any third party resulting
 * from use of the Software.
 */

import java.io.*;

import javax.servlet.*;
import javax.servlet.http.*;

import com.quadcap.util.Debug;

/**
 * This class implements a simple administration servlet
 *
 * @author Stan Bailes
 */
public class AdminServlet extends HttpServlet {
    
    /**
     * Initialize this servlet
     *
     * @param config the servlet configuration object, containing my
     *          initialization parameters
     * @exception ServletException if I can't initialize for some reason.
     */
    public void init(ServletConfig config) throws ServletException {
        super.init(config);
    }
    
    /**
     * Handle an incoming request.
     *
     * @param req HttpServletRequest that encapsulates the request to
     *          the servlet 
     * @param res HttpServletResponse that encapsulates the response
     *          from the servlet
     * 
     * @exception IOException if detected when handling the request
     * @exception ServletException if the request could not be handled
     */
    protected void service(HttpServletRequest req, HttpServletResponse res)
        throws ServletException, IOException
    {
        OutputStream os = res.getOutputStream();
        String method = req.getPathInfo();
        if (method != null && method.equals("/shutdown")) {
            os.write("shutdown ok\r\n".getBytes());
            os.flush();
            Debug.println(0, "Shutdown");
            System.exit(0);
        } else {
            res.sendError(HttpServletResponse.SC_NOT_FOUND, 
                          "Not Found");
        }
    }
}