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


1 package org.apache.fulcrum.intake.model;
2
3 /* ====================================================================
4  * The Apache Software License, Version 1.1
5  *
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10  * modification, are permitted provided that the following conditions
11  * are met:
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14  * notice, this list of conditions and the following disclaimer.
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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
19  * distribution.
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  *
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30  * derived from this software without prior written permission. For
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51  * This software consists of voluntary contributions made by many
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55  */
56
57 import org.apache.fulcrum.intake.xmlmodel.XmlField;
58 import org.apache.log4j.Category;
59
60 /**
61  * Creates Float Field objects.
62  *
63  * @author <a HREF="mailto:r.wekker@rubicon-bv.com>Ronald Wekker</a>
64  * @author <a HREF="mailto:jmcnally@collab.net>John McNally</a>
65  * @author <a HREF="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
66  * @version $Id: FloatField.java,v 1.1 2004/11/12 10:25:37 epugh Exp $
67  */
68  
69 public class FloatField
70     extends Field
71 {
72     /** Log4j category */
73     Category category = Category.getInstance(getClass().getName());
74
75     public FloatField(XmlField field, Group group)
76         throws Exception JavaDoc
77     {
78         super(field, group);
79     }
80
81     /**
82      * Sets the default value for an Float Field
83      *
84      * @param prop Parameter for the default values
85      */
86     protected void setDefaultValue(String JavaDoc prop)
87     {
88         defaultValue = null;
89         
90         if (prop == null)
91         {
92             return;
93         }
94         
95         try
96         {
97             defaultValue = new Float JavaDoc(prop);
98         }
99         catch(Exception JavaDoc e)
100         {
101             category.error("Could not convert "
102                            + prop + " into an Float. ("
103                            + name + ")");
104         }
105     }
106     
107     /**
108      * A suitable validator.
109      *
110      * @return "FloatValidator"
111      */
112     protected String JavaDoc getDefaultValidator()
113     {
114         return "org.apache.fulcrum.intake.validator.NumberValidator";
115     }
116
117     /**
118      * converts the parameter to the correct Object.
119      */
120     protected void doSetValue()
121     {
122         if ( isMultiValued )
123         {
124             String JavaDoc[] ss = pp.getStrings(getKey());
125             float[] ival = new float[ss.length];
126             for (int i=0; i<ss.length; i++)
127             {
128                 if (ss[i] != null && ss[i].length() > 0)
129                 {
130                     ival[i] = Float.parseFloat(ss[i]);
131                 }
132             }
133             setTestValue(ival);
134         }
135         else
136         {
137             String JavaDoc s = pp.getString(getKey());
138             if (s != null && s.length() > 0)
139             {
140                 setTestValue(new Float JavaDoc(s));
141             }
142             else
143             {
144                 set_flag = false;
145             }
146         }
147     }
148 }
149
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