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Java > Open Source Codes > org > apache > turbine > pipeline > DefaultSessionTimeoutValve


1 package org.apache.turbine.pipeline;
2
3 /* ====================================================================
4  * The Apache Software License, Version 1.1
5  *
6  * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
7  * reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  *
21  * 3. The end-user documentation included with the redistribution,
22  * if any, must include the following acknowledgment:
23  * "This product includes software developed by the
24  * Apache Software Foundation (http://www.apache.org/)."
25  * Alternately, this acknowledgment may appear in the software itself,
26  * if and wherever such third-party acknowledgments normally appear.
27  *
28  * 4. The names "Apache" and "Apache Software Foundation" and
29  * "Apache Turbine" must not be used to endorse or promote products
30  * derived from this software without prior written permission. For
31  * written permission, please contact apache@apache.org.
32  *
33  * 5. Products derived from this software may not be called "Apache",
34  * "Apache Turbine", nor may "Apache" appear in their name, without
35  * prior written permission of the Apache Software Foundation.
36  *
37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48  * SUCH DAMAGE.
49  * ====================================================================
50  *
51  * This software consists of voluntary contributions made by many
52  * individuals on behalf of the Apache Software Foundation. For more
53  * information on the Apache Software Foundation, please see
54  * <http://www.apache.org/>.
55  */
56
57 import java.io.IOException JavaDoc;
58
59 import org.apache.commons.configuration.Configuration;
60 import org.apache.turbine.Turbine;
61 import org.apache.turbine.TurbineConstants;
62 import org.apache.turbine.RunData;
63 import org.apache.turbine.TurbineException;
64 import org.apache.turbine.ValveContext;
65
66 /**
67  * Implements the action portion of the "Turbine classic" processing
68  * pipeline (from the Turbine 2.x series).
69  *
70  * @author <a HREF="mailto:jvanzyl@apache.org">Jason van Zyl</a>
71  * @author <a HREF="mailto:mpoeschl@marmot.at">Martin Poeschl</a>
72  * @version $Id: DefaultSessionTimeoutValve.java,v 1.10 2004/11/01 20:08:41 epugh Exp $
73  */
74 public class DefaultSessionTimeoutValve
75     extends AbstractValve
76     implements TurbineConstants
77 {
78     protected Integer JavaDoc timeout = null;
79
80     /**
81      * Here we can setup objects that are thread safe and can be
82      * reused, so we get the timeout from the configuration..
83      */
84     public DefaultSessionTimeoutValve()
85         throws Exception JavaDoc
86     {
87
88     }
89     
90     
91
92     /* (non-Javadoc)
93      * @see org.apache.turbine.Valve#initialize()
94      */
95     public void initialize() throws Exception JavaDoc {
96         super.initialize();
97         Configuration cfg = Turbine.getConfiguration();
98         if (cfg != null)
99         {
100             // Get the session timeout. Use String so we know whether
101 // the timeout was specified or not.
102 if(cfg.containsKey(SESSION_TIMEOUT)){
103                 timeout = Integer.valueOf(cfg.getString(SESSION_TIMEOUT));
104             }
105         }
106     }
107     /**
108      * @see org.apache.turbine.Valve#invoke(RunData, ValveContext)
109      */
110     public void invoke(RunData data, ValveContext context)
111         throws IOException JavaDoc, TurbineException
112     {
113         // If the session is new take this opportunity to
114 // set the session timeout if specified in TR.properties
115 if (data.getSession().isNew() && timeout != null)
116         {
117             data.getSession().setMaxInactiveInterval(timeout.intValue());
118         }
119
120         // Pass control to the next Valve in the Pipeline
121 context.invokeNext(data);
122     }
123 }
124
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