// ====================================================================
// Copyright (c) 1997, 1998 The Apache Group. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in
// the documentation and/or other materials provided with the
// distribution.
//
// 3. All advertising materials mentioning features or use of this
// software must display the following acknowledgment:
// "This product includes software developed by the Apache Group
// for use in the Apache HTTP server project (http://www.apache.org/)."
//
// 4. The names "Apache Server" and "Apache Group" must not be used to
// endorse or promote products derived from this software without
// prior written permission.
//
// 5. Redistributions of any form whatsoever must retain the following
// acknowledgment:
// "This product includes software developed by the Apache Group
// for use in the Apache HTTP server project (http://www.apache.org/)."
//
// THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
// EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR
// ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
// OF THE POSSIBILITY OF SUCH DAMAGE.
// ====================================================================
//
// This software consists of voluntary contributions made by many
// individuals on behalf of the Apache Group and was originally based
// on public domain software written at the National Center for
// Supercomputing Applications, University of Illinois, Urbana-Champaign.
// For more information on the Apache Group and the Apache HTTP server
// project, please see .
// JServ - Serve up Java servlets
// by Alexei Kosut
// Parts are based on examples from _Java in a Nutshell_ by David Flanagan:
// Written by David Flanagan. Copyright (c) 1996 O'Reilly & Associates.
// You may study, use, modify, and distribute this example for any purpose.
// This example is provided WITHOUT WARRANTY either expressed or implied.
// ServletMonitor.java:
// - org.apache.jserv.test.ServletMonitor
package org.apache.jserv.test;
import java.util.Enumeration;
import java.io.IOException;
import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.ServletContext;
import javax.servlet.ServletConfig;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlets that list the servlets in this virtual host
* and their init parameters.
*
* @author Francis J. Lacoste
*/
public class ServletMonitor extends HttpServlet {
/**
* Service the request.
*
* @exception ServletException if there is any sort of Exception
*
*/
public void service(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException
{
response.setContentType("text/html");
ServletOutputStream out = response.getOutputStream();
out.println("");
out.println("Servlet Monitor");
out.println("");
out.println("List of servlet in the host " +
request.getHeader ("Host") + "
");
Enumeration servlets = getServletConfig().getServletContext().getServlets();
while (servlets.hasMoreElements()) {
Servlet servlet = (Servlet) servlets.nextElement();
ServletConfig config = servlet.getServletConfig();
out.println("" + servlet.getClass().getName() + "
");
out.println("");
out.println("Servlet info: " +
(servlet.getServletInfo() == null ?
"???" : servlet.getServletInfo())
);
out.println("");
Enumeration params = config.getInitParameterNames();
if (params.hasMoreElements()) {
out.println("Initialization parameters:");
out.println("");
while (params.hasMoreElements()) {
String name = (String) params.nextElement();
String value = config.getInitParameter(name);
out.println(name + ": " + value);
} out. println("");
} out. println("");
}
out.println("");
out.println("");
}
}