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Java > Open Source Codes > org > apache > turbine > modules > actions > TemplateSecureAction


1 package org.apache.turbine.modules.actions;
2
3 /* ====================================================================
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56
57 import org.apache.turbine.RunData;
58
59 /**
60  * VelocitySecure action.
61  *
62  * Always performs a Security Check that you've defined before
63  * executing the doBuildtemplate(). You should extend this class and
64  * add the specific security check needed. If you have a number of
65  * screens that need to perform the same check, you could make a base
66  * screen by extending this class and implementing the isAuthorized().
67  * Then each action that needs to perform the same check could extend
68  * your base action.
69  *
70  * @author <a HREF="mailto:mbryson@mont.mindspring.com">Dave Bryson</a>
71  * @author <a HREF="mailto:jon@latchkey.com">Jon S. Stevens</a>
72  * @author <a HREF="mailto:jvanzyl@periapt.com">Jason van Zyl</a>
73  * @version $Id: TemplateSecureAction.java,v 1.2 2002/03/20 01:55:28 brekke Exp $
74  */
75 public abstract class TemplateSecureAction
76     extends TemplateAction
77 {
78     /**
79      * This method overrides the method in WebMacroSiteAction to
80      * perform a security check first.
81      *
82      * @param data Turbine information.
83      * @exception Exception a generic exception.
84      */
85     protected void perform( RunData data )
86         throws Exception JavaDoc
87     {
88         if ( isAuthorized( data ) )
89         {
90             super.perform(data);
91         }
92     }
93
94     /**
95      * Implement this method to perform the security check needed.
96      * You should set the template in this method that you want the
97      * user to be sent to if they're unauthorized. See the
98      * WebMacroSecurityCheck utility.
99      *
100      * @param data Turbine information.
101      * @return True if the user is authorized to access the screen.
102      * @exception Exception a generic exception.
103      */
104     protected abstract boolean isAuthorized( RunData data )
105         throws Exception JavaDoc;
106 }
107
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