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Java > Open Source Codes > org > jboss > axis > transport > http > AdminServlet


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
6  * reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
19  *
20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "Axis" and "Apache Software Foundation" must
28  * not be used to endorse or promote products derived from this
29  * software without prior written permission. For written
30  * permission, please contact apache@apache.org.
31  *
32  * 5. Products derived from this software may not be called "Apache",
33  * nor may "Apache" appear in their name, without prior written
34  * permission of the Apache Software Foundation.
35  *
36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
45  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
46  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47  * SUCH DAMAGE.
48  * ====================================================================
49  *
50  * This software consists of voluntary contributions made by many
51  * individuals on behalf of the Apache Software Foundation. For more
52  * information on the Apache Software Foundation, please see
53  * <http://www.apache.org/>.
54  */

55
56 package org.jboss.axis.transport.http;
57
58 import org.jboss.axis.server.AxisServer;
59 import org.jboss.axis.utils.Messages;
60 import org.jboss.logging.Logger;
61
62 import javax.servlet.ServletException JavaDoc;
63 import javax.servlet.http.HttpServletRequest JavaDoc;
64 import javax.servlet.http.HttpServletResponse JavaDoc;
65 import java.io.IOException JavaDoc;
66
67 /**
68  * Proof-of-concept "management" servlet for Axis.
69  * <p/>
70  * Point a browser here to administer the Axis installation.
71  * <p/>
72  * Right now just starts and stops the server.
73  *
74  * @author Glen Daniels (gdaniels@macromedia.com)
75  * @author Steve Loughran
76  * xdoclet tags are not active yet; keep web.xml in sync
77  * @web.servlet name="AdminServlet" display-name="Axis Admin Servlet" load-on-startup="100"
78  * @web.servlet-mapping url-pattern="/servlet/AdminServlet"
79  */

80 public class AdminServlet extends AxisServletBase
81 {
82
83    private static Logger log = Logger.getLogger(AxisServlet.class.getName());
84
85
86    /**
87     * handle a GET request. Commands are only valid when not in production mode
88     *
89     * @param request
90     * @param response
91     * @throws ServletException
92     * @throws IOException
93     */

94    public void doGet(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
95            throws ServletException JavaDoc, IOException JavaDoc
96    {
97       response.setContentType("text/html");
98       StringBuffer JavaDoc buffer = new StringBuffer JavaDoc(512);
99       buffer.append("<html><head><title>Axis</title></head><body>\n");
100       //REVISIT: what happens if there is no engine?
101
AxisServer server = getEngine();
102
103       //process command
104
String JavaDoc cmd = request.getParameter("cmd");
105       if (cmd != null)
106       {
107          //who called?
108
String JavaDoc callerIP = request.getRemoteAddr();
109          if (isDevelopment())
110          {
111             //only in dev mode do these command work
112
if (cmd.equals("start"))
113             {
114                log.info(Messages.getMessage("adminServiceStart", callerIP));
115                server.start();
116             }
117             else if (cmd.equals("stop"))
118             {
119                log.info(Messages.getMessage("adminServiceStop", callerIP));
120                server.stop();
121             }
122          }
123          else
124          {
125             //in production we log a hostile probe. Remember: logs can be
126
//used for DoS attacks themselves.
127
log.info(Messages.getMessage("adminServiceDeny", callerIP));
128          }
129       }
130
131       // display status
132
if (server.isRunning())
133       {
134          buffer.append(Messages.getMessage("serverRun00"));
135       }
136       else
137       {
138          buffer.append(Messages.getMessage("serverStop00"));
139       }
140       //add commands
141
if (isDevelopment())
142       {
143          buffer.append("<p><a HREF=\"AdminServlet?cmd=start\">start server</a>\n");
144          buffer.append("<p><a HREF=\"AdminServlet?cmd=stop\">stop server</a>\n");
145       }
146       //print load
147
buffer.append("<p>");
148       buffer.append(Messages.getMessage("adminServiceLoad",
149               Integer.toString(getLoadCounter())));
150       buffer.append("\n</body></html>\n");
151       response.getWriter().print(new String JavaDoc(buffer));
152    }
153 }
154
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