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


1 package org.apache.turbine.pipeline;
2
3 /* ====================================================================
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56
57 import org.apache.turbine.RunData;
58
59 /**
60  * Conditional valve that tests if a request parameter (key) matches a specific
61  * value (value).
62  *
63  * @author <a HREF="mailto:james@jamestaylor.org">James Taylor</a>
64  * @version $Id: RequestParameterConditionalValve.java,v 1.3 2002/08/02 22:32:59 jmcnally Exp $
65  */
66 public class RequestParameterConditionalValve
67     extends ConditionalValve
68 {
69     /** Request key to test */
70     private String JavaDoc key;
71     
72     /** Value to require */
73     private String JavaDoc value;
74     
75     /**
76      * @see org.apache.turbine.pipeline.ConditionalValve#shouldInvoke
77      */
78     protected boolean shouldInvoke( RunData data )
79     {
80         String JavaDoc actualValue = data.getParameters().getString( key );
81         
82         return ( ( actualValue != null ) && ( actualValue.equals( value ) ) );
83     }
84     
85     /**
86      * Mutator for key property
87      */
88     public void setKey( String JavaDoc key )
89     {
90         this.key = key;
91     }
92     
93     /**
94      * Mutator for value property
95      */
96     public void setValue( String JavaDoc value )
97     {
98         this.value = value;
99     }
100 }
101
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