View Javadoc
1   package org.apache.fulcrum.intake.model;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.math.BigDecimal;
23  
24  import org.apache.fulcrum.intake.IntakeException;
25  import org.apache.fulcrum.intake.validator.BigDecimalValidator;
26  
27  /**
28   * @author <a href="mailto:jmcnally@collab.net">John McNally</a>
29   * @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a>
30   * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
31   * @author <a href="mailto:quintonm@bellsouth.net">Quinton McCombs</a>
32   * @author <a href="mailto:tv@apache.org">Thomas Vandahl</a>
33   * @version $Id$
34   */
35  public class BigDecimalField
36          extends Field<BigDecimal>
37  {
38      /** Serial version */
39  	private static final long serialVersionUID = -8356433008715252236L;
40  
41  	/**
42       * Constructor.
43       *
44       * @param field xml field definition object
45       * @param group xml group definition object
46       * @throws IntakeException thrown by superclass
47       */
48      public BigDecimalField(XmlField field, Group group)
49              throws IntakeException
50      {
51          super(field, group);
52      }
53  
54      /**
55       * Sets the default value for a BigDecimal field
56       *
57       * @param prop Parameter for the default values
58       */
59      @Override
60  	public void setDefaultValue(String prop)
61      {
62          defaultValue = null;
63  
64          if (prop == null)
65          {
66              return;
67          }
68  
69          defaultValue = new BigDecimal(prop);
70      }
71  
72      /**
73       * Set the empty Value. This value is used if Intake
74       * maps a field to a parameter returned by the user and
75       * the corresponding field is either empty (empty string)
76       * or non-existant.
77       *
78       * @param prop The value to use if the field is empty.
79       */
80      @Override
81  	public void setEmptyValue(String prop)
82      {
83          emptyValue = null;
84  
85          if (prop == null)
86          {
87              return;
88          }
89  
90          emptyValue = new BigDecimal(prop);
91      }
92  
93      /**
94       * A suitable validator.
95       *
96       * @return A suitable validator
97       */
98      @Override
99  	protected String getDefaultValidator()
100     {
101         return BigDecimalValidator.class.getName();
102     }
103 
104     /**
105      * Sets the value of the field from data in the parser.
106      */
107     @Override
108 	protected void doSetValue()
109     {
110         if (isMultiValued())
111         {
112             BigDecimal[] values = parser.getBigDecimals(getKey());
113 
114             for (int i = 0; i < values.length; i++)
115             {
116                 if (values[i] == null)
117                 {
118                     values[i] = getEmptyValue();
119                 }
120             }
121 
122             setTestValue(values);
123         }
124         else
125         {
126             setTestValue(parser.getBigDecimal(getKey(), getEmptyValue()));
127         }
128     }
129 }