Source Code Cross Referenced for CreateSessionInterceptor.java in  » J2EE » webwork-2.2.6 » com » opensymphony » webwork » interceptor » Java Source Code / Java DocumentationJava Source Code and Java Documentation

01:        /*
02:         * Copyright (c) 2002-2006 by OpenSymphony
03:         * All rights reserved.
04:         */
05:        package com.opensymphony.webwork.interceptor;
06:
07:        import org.apache.commons.logging.Log;
08:        import org.apache.commons.logging.LogFactory;
09:
10:        import com.opensymphony.webwork.ServletActionContext;
11:        import com.opensymphony.xwork.ActionInvocation;
12:        import com.opensymphony.xwork.interceptor.AroundInterceptor;
13:
14:        /**
15:         * <!-- START SNIPPET: description -->
16:         *
17:         * This interceptor creates the HttpSession.
18:         * <p/>
19:         * This is particular usefull when using the &lt;@ww.tokten&gt; tag in freemarker templates.
20:         * The tag <b>do</b> require that a HttpSession is already created since freemarker commits
21:         * the response to the client immediately.
22:         * 
23:         * <!-- END SNIPPET: description -->
24:         *
25:         * <p/> <u>Interceptor parameters:</u>
26:         *
27:         *
28:         * <!-- START SNIPPET: extending -->
29:         * 
30:         * <ul>
31:         * 	<li>none</li>
32:         * </ul>
33:         * 
34:         * <!-- END SNIPPET: extending -->
35:         *
36:         *
37:         * <!-- START SNIPPET: parameters -->
38:         *
39:         * <ul>
40:         *
41:         * <li>None</li>
42:         *
43:         * </ul>
44:         *
45:         * <!-- END SNIPPET: parameters -->
46:         *
47:         * <b>Example:</b>
48:         *
49:         * <pre>
50:         * <!-- START SNIPPET: example -->
51:         * 
52:         * &lt;action name="someAction" class="com.examples.SomeAction"&gt;
53:         *     &lt;interceptor-ref name="create-session"/&gt;
54:         *     &lt;interceptor-ref name="defaultStack"/&gt;
55:         *     &lt;result name="input"&gt;input_with_token_tag.ftl&lt;/result&gt;
56:         * &lt;/action&gt;
57:         * 
58:         * <!-- END SNIPPET: example -->
59:         * </pre>
60:         * 
61:         * @author Claus Ibsen
62:         * @version $Date: 2007-01-08 17:24:16 +0100 (Mon, 08 Jan 2007) $ $Id: CreateSessionInterceptor.java 2795 2007-01-08 16:24:16Z tmjee $
63:         */
64:        public class CreateSessionInterceptor extends AroundInterceptor {
65:
66:            private static final long serialVersionUID = 3657994429041757752L;
67:
68:            private static final Log _log = LogFactory
69:                    .getLog(CreateSessionInterceptor.class);
70:
71:            protected void before(ActionInvocation invocation) throws Exception {
72:                _log.debug("Creating HttpSession");
73:                ServletActionContext.getRequest().getSession(true);
74:            }
75:
76:            protected void after(ActionInvocation dispatcher, String result)
77:                    throws Exception {
78:            }
79:        }