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1 /*
2
3  ============================================================================
4                    The Apache Software License, Version 1.1
5  ============================================================================
6
7  Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
8
9  Redistribution and use in source and binary forms, with or without modifica-
10  tion, are permitted provided that the following conditions are met:
11
12  1. Redistributions of source code must retain the above copyright notice,
13     this list of conditions and the following disclaimer.
14
15  2. Redistributions in binary form must reproduce the above copyright notice,
16     this list of conditions and the following disclaimer in the documentation
17     and/or other materials provided with the distribution.
18
19  3. The end-user documentation included with the redistribution, if any, must
20     include the following acknowledgment: "This product includes software
21     developed by the Apache Software Foundation (http://www.apache.org/)."
22     Alternately, this acknowledgment may appear in the software itself, if
23     and wherever such third-party acknowledgments normally appear.
24
25  4. The names "Jakarta", "Avalon", "Excalibur" and "Apache Software Foundation"
26     must not be used to endorse or promote products derived from this software
27     without prior written permission. For written permission, please contact
28     apache@apache.org.
29
30  5. Products derived from this software may not be called "Apache", nor may
31     "Apache" appear in their name, without prior written permission of the
32     Apache Software Foundation.
33
34  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
35  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
36  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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39  DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
40  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
41  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
42  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
43  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44
45  This software consists of voluntary contributions made by many individuals
46  on behalf of the Apache Software Foundation. For more information on the
47  Apache Software Foundation, please see <http://www.apache.org/>.
48
49 */

50 package org.apache.avalon.fortress.examples.servlet;
51
52 import org.apache.avalon.fortress.ContainerManager;
53 import org.apache.avalon.fortress.impl.DefaultContainerManager;
54 import org.apache.avalon.framework.container.ContainerUtil;
55
56 import java.io.IOException JavaDoc;
57 import java.io.File JavaDoc;
58 import javax.servlet.ServletException JavaDoc;
59 import javax.servlet.ServletRequest JavaDoc;
60 import javax.servlet.ServletResponse JavaDoc;
61 import javax.servlet.http.HttpServlet JavaDoc;
62
63 /**
64  * Servlet based Fortress container example.
65  *
66  * @author <a HREF="mailto:crafterm@apache.org">Marcus Crafter</a>
67  * @version $Id: servlet.java,v 1.7 2003/05/30 20:55:10 bloritsch Exp $
68  */

69 public final class servlet extends HttpServlet JavaDoc
70 {
71     private ServletContainer m_container;
72     private ContainerManager m_containerManager;
73
74     /**
75      * Initializes Servlet and creates a <code>ServletContainer</code> instance
76      *
77      * @exception ServletException if an error occurs
78      */

79     public void init()
80         throws ServletException JavaDoc
81     {
82         super.init();
83
84         try
85         {
86             final org.apache.avalon.fortress.util.FortressConfig config = new org.apache.avalon.fortress.util.FortressConfig();
87             config.setContainerClass( ServletContainer.class );
88             config.setContextDirectory( getServletContext().getRealPath("/") );
89             config.setWorkDirectory( (File JavaDoc) getServletContext().getAttribute( "javax.servlet.context.tempdir" ) );
90             config.setContainerConfiguration( "resource://org/apache/avalon/fortress/examples/servlet/ServletContainer.xconf" );
91             config.setLoggerManagerConfiguration( "resource://org/avalon/excalibur/fortress/examples/servlet/ServletContainer.xlog" );
92
93             m_containerManager = new DefaultContainerManager( config.getContext() );
94             ContainerUtil.initialize( m_containerManager );
95
96             m_container = (ServletContainer)m_containerManager.getContainer();
97         }
98         catch( Exception JavaDoc e )
99         {
100             throw new ServletException JavaDoc( "Error during initialization", e );
101         }
102     }
103
104     /**
105      * Pass all servlet requests through to container to be handled. In a more
106      * complex system, there could be multiple containers that handle different
107      * requests, or a main controlling container with subcontainers for different
108      * requests.
109      *
110      * @param request a <code>ServletRequest</code> instance
111      * @param response a <code>ServletResponse</code> instance
112      * @exception IOException if an IO error occurs
113      * @exception ServletException if a servlet error occurs
114      */

115     public void service( ServletRequest JavaDoc request, ServletResponse JavaDoc response )
116         throws IOException JavaDoc, ServletException JavaDoc
117     {
118         m_container.handleRequest( request, response );
119     }
120
121     /**
122      * Disposes of container manager and container instance.
123      */

124     public void destroy()
125     {
126         ContainerUtil.dispose( m_containerManager );
127     }
128 }
129
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