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

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Java Source Code / Java Documentation » J2EE » webwork 2.2.6 » com.opensymphony.webwork.dispatcher 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


01:        /*
02:         * Copyright (c) 2002-2006 by OpenSymphony
03:         * All rights reserved.
04:         */
05:        package com.opensymphony.webwork.dispatcher;
06:
07:        import java.util.Map;
08:
09:        import com.opensymphony.webwork.interceptor.FlashInterceptor;
10:        import com.opensymphony.xwork.ActionInvocation;
11:
12:        /**
13:         * <!-- START SNIPPET: description -->
14:         *  A flash result, that save the current action into the http session before 
15:         *  invoking <code>super.doExecute(...)</code>, which actually just do 
16:         *  a redirect to a specific location just as a normal {@link ServletRedirectResult}
17:         *  would.
18:         *  <!-- END SNIPPET: description -->
19:         *  
20:         *  <!-- START SNIPPET: params -->
21:         *  <ul>
22:         *  	key - The key under which current action is stored in Http Session. Default to 
23:         *              {@link FlashInterceptor#DEFAULT_KEY} which is the string '__flashAction'
24:         *  </ul>
25:         *  <!-- END SNIPPET: params -->
26:         *  
27:         *  <pre>
28:         *  <!-- START SNIPPET: example -->
29:         *  
30:         *  &lt;action name="store"&gt;
31:         * 	<result type="flash"&lt;/redirectToSomeWhere.jsp&lt;/result&gt;
32:         * &lt;/action&gt;
33:         * &lt;action name="retrieve"&gt;
34:         * 	&lt;interceptor-ref name="flash"&gt;
35:         *        &lt;param name="operation"&gt;Retrieve&lt;/param&gt;
36:         *     &lt;/interceptor-ref&gt;
37:         *     &lt;interceptor-ref name="defaultStack" /&gt;
38:         *     &lt;result&gt;pageWhereWeNeedFlashActionStored.jsp&lt;/result&gt;
39:         * &lt;/action&gt;
40:         *  
41:         *  <!-- END SNIPPET: example -->
42:         *  </pre>
43:         *  
44:         * 
45:         * @author Patrick Lightbody
46:         * @version $Date: 2006-12-11 13:57:12 +0100 (Mon, 11 Dec 2006) $ $Id: FlashResult.java 2758 2006-12-11 12:57:12Z tmjee $
47:         */
48:        public class FlashResult extends ServletRedirectResult {
49:
50:            private static final long serialVersionUID = -8956841683709714038L;
51:
52:            private String key = FlashInterceptor.DEFAULT_KEY;
53:
54:            /**
55:             * A flash result, that save the current action into the http session before 
56:             * invoking <code>super.doExecute(...)</code>.
57:             * 
58:             * @see com.opensymphony.webwork.dispatcher.ServletRedirectResult#doExecute(java.lang.String, com.opensymphony.xwork.ActionInvocation)
59:             */
60:            protected void doExecute(String finalLocation,
61:                    ActionInvocation invocation) throws Exception {
62:
63:                // before we redirect, let's save the state in to the session
64:                Object action = invocation.getAction();
65:                Map session = invocation.getInvocationContext().getSession();
66:                session.put(FlashInterceptor.DEFAULT_KEY, action);
67:
68:                super .doExecute(finalLocation, invocation);
69:            }
70:
71:            /**
72:             * Set the key used to store the current action in http session.
73:             * @param key
74:             */
75:            public void setKey(String key) {
76:                this .key = key;
77:            }
78:
79:            /**
80:             * Get the key used to store the current action in http session.
81:             * @return String
82:             */
83:            public String getKey() {
84:                return key;
85:            }
86:
87:        }
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