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Java > Open Source Codes > org > apache > fulcrum > intake > model > BooleanField


1 package org.apache.fulcrum.intake.model;
2
3 /* ====================================================================
4  * The Apache Software License, Version 1.1
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7  * reserved.
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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
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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
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30  * derived from this software without prior written permission. For
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33  * 5. Products derived from this software may not be called "Apache",
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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
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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
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51  * This software consists of voluntary contributions made by many
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56
57 import org.apache.fulcrum.intake.xmlmodel.XmlField;
58 import org.apache.log4j.Category;
59
60 /**
61  * Processor for boolean fields.
62  *
63  * @author <a HREF="mailto:jmcnally@collab.net">John McNally</a>
64  * @author <a HREF="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
65  * @version $Id: BooleanField.java,v 1.1 2004/11/12 10:25:37 epugh Exp $
66  */
67 public class BooleanField
68     extends Field
69 {
70     /** Log4j category */
71     Category category = Category.getInstance(getClass().getName());
72
73     public BooleanField(XmlField field, Group group)
74         throws Exception JavaDoc
75     {
76         super(field, group);
77     }
78
79     /**
80      * Sets the default value for a Boolean field
81      *
82      * @param prop Parameter for the default values
83      */
84     protected void setDefaultValue(String JavaDoc prop)
85     {
86         if (prop == null)
87         {
88             return;
89         }
90         
91         try
92         {
93             defaultValue = new Boolean JavaDoc(prop);
94         }
95         catch (RuntimeException JavaDoc e)
96         {
97             category.error("Could not convert " + prop
98                            + " into a Boolean. ("
99                            + name + ")");
100         }
101     }
102     
103     /**
104      * A suitable validator.
105      *
106      * @return null
107      */
108     protected String JavaDoc getDefaultValidator()
109     {
110         return null;
111     }
112
113     /**
114      * converts the parameter to the correct Object.
115      */
116     protected void doSetValue()
117     {
118         setTestValue( pp.getBool(getKey()) );
119     }
120
121     public boolean booleanValue()
122     {
123         boolean result = false;
124         try
125         {
126             result = ((Boolean JavaDoc)getValue()).booleanValue();
127         }
128         catch (Exception JavaDoc e)
129         {
130             category.error(e);
131         }
132         return result;
133     }
134 }
135
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