001 package org.apache.fulcrum.intake.model;
002
003 /*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements. See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership. The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License. You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied. See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022 import java.math.BigDecimal;
023
024 import org.apache.fulcrum.intake.IntakeException;
025 import org.apache.fulcrum.intake.validator.BigDecimalValidator;
026 import org.apache.fulcrum.intake.xmlmodel.XmlField;
027
028 /**
029 * @author <a href="mailto:jmcnally@collab.net">John McNally</a>
030 * @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a>
031 * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
032 * @author <a href="mailto:quintonm@bellsouth.net">Quinton McCombs</a>
033 * @author <a href="mailto:tv@apache.org">Thomas Vandahl</a>
034 * @version $Id: BigDecimalField.java 663702 2008-06-05 19:01:36Z tv $
035 */
036 public class BigDecimalField
037 extends Field
038 {
039 /**
040 * Constructor.
041 *
042 * @param field xml field definition object
043 * @param group xml group definition object
044 * @throws IntakeException thrown by superclass
045 */
046 public BigDecimalField(XmlField field, Group group)
047 throws IntakeException
048 {
049 super(field, group);
050 }
051
052 /**
053 * Sets the default value for a BigDecimal field
054 *
055 * @param prop Parameter for the default values
056 */
057 public void setDefaultValue(String prop)
058 {
059 defaultValue = null;
060
061 if (prop == null)
062 {
063 return;
064 }
065
066 defaultValue = new BigDecimal(prop);
067 }
068
069 /**
070 * Set the empty Value. This value is used if Intake
071 * maps a field to a parameter returned by the user and
072 * the corresponding field is either empty (empty string)
073 * or non-existant.
074 *
075 * @param prop The value to use if the field is empty.
076 */
077 public void setEmptyValue(String prop)
078 {
079 emptyValue = null;
080
081 if (prop == null)
082 {
083 return;
084 }
085
086 emptyValue = new BigDecimal(prop);
087 }
088
089 /**
090 * A suitable validator.
091 *
092 * @return A suitable validator
093 */
094 protected String getDefaultValidator()
095 {
096 return BigDecimalValidator.class.getName();
097 }
098
099 /**
100 * Sets the value of the field from data in the parser.
101 */
102 protected void doSetValue()
103 {
104 if (isMultiValued)
105 {
106 BigDecimal[] values = parser.getBigDecimals(getKey());
107
108 for (int i = 0; i < values.length; i++)
109 {
110 if (values[i] == null)
111 {
112 values[i] = (BigDecimal) getEmptyValue();
113 }
114 }
115
116 setTestValue(values);
117 }
118 else
119 {
120 setTestValue(parser.getBigDecimal(getKey(), (BigDecimal)getEmptyValue()));
121 }
122 }
123 }