Quadcap Embedded Server Administrator Console

com/quadcap/app/qws/ActionList.java

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package com.quadcap.app.qws;

/* Copyright 1999 - 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.IOException;

import java.util.Enumeration;
import java.util.HashMap;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.quadcap.http.server22.WebApplication;
import com.quadcap.http.server22.WebServer;

/**
 * Implement the 'list' action, which sets the "applications" request
 * attribute to be a HashMap of 'context' -> 'application'.  Each
 * 'application' object is a HashMap containing the interesting properties
 * of that application.
 *
 * @author Stan Bailes
 */
public class ActionList implements Action {
    ServletConfig                       config;
    WebServer                           server;
    
    public void init(ServletConfig config) {
        this.config = config;
        ServletContext context = config.getServletContext();
        this.server = (WebServer)context.getAttribute("server");
    }
    
    public void service(HttpServletRequest request,
                        HttpServletResponse response)
        throws Exception
    {
        HashMap map = new HashMap();
        Enumeration names = server.getContextRoots();
        while (names.hasMoreElements()) {
            String root = names.nextElement().toString();
            WebApplication app = server.getContextForRoot(root);
            HashMap appMap = makeMap(app);
            map.put(root, appMap);
        }
        request.setAttribute("applications", map);
        forward(request, response, "/list.jsp");
    }

    final HashMap makeMap(WebApplication app) {
        HashMap map = new HashMap();
        map.put("display-name", app.getDisplayName());
        map.put("root-path", app.getRootPath());
        //map.put("session-timeout", new Integer(app.getSessionTimeout()));
        //map.put("error-page", app.getErrorPage());
        //map.put("init-parameters", getInitParameters(app));
        //map.put("attributes", getAttributes(app));
        //map.put("servlets", getServlets(app));
        //map.put("sessions", getSessions(app));
        return map;
    }

    final HashMap getInitParameters(WebApplication app) {
        HashMap map = new HashMap();
        Enumeration e = app.getInitParameterNames();
        while (e.hasMoreElements()) {
            String name = e.nextElement().toString();
            String param = app.getInitParameter(name);
            map.put(name, param);
        }
        return map;
    }

    final HashMap getAttributes(WebApplication app) {
        HashMap map = new HashMap();
        Enumeration e = app.getAttributeNames();
        while (e.hasMoreElements()) {
            String name = e.nextElement().toString();
            Object attr = app.getAttribute(name);
            map.put(name, attr);
        }
        return map;
    }

//      final HashMap getServlets(WebApplication app) {
//          HashMap map = new HashMap();
//          return map;
//      }

//      final HashMap getSessions(WebApplication app) {
//          HashMap map = new HashMap();
//          return map;
//      }

    public void forward(HttpServletRequest request,
                        HttpServletResponse response,
                        String page)
        throws ServletException, IOException
    {
        ServletContext context = config.getServletContext();
        RequestDispatcher rd = context.getRequestDispatcher(page);
        rd.forward(request, response);
    }

}