001: /*
002: * ====================================================================
003: * JAFFA - Java Application Framework For All
004: *
005: * Copyright (C) 2002 JAFFA Development Group
006: *
007: * This library is free software; you can redistribute it and/or
008: * modify it under the terms of the GNU Lesser General Public
009: * License as published by the Free Software Foundation; either
010: * version 2.1 of the License, or (at your option) any later version.
011: *
012: * This library is distributed in the hope that it will be useful,
013: * but WITHOUT ANY WARRANTY; without even the implied warranty of
014: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015: * Lesser General Public License for more details.
016: *
017: * You should have received a copy of the GNU Lesser General Public
018: * License along with this library; if not, write to the Free Software
019: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020: *
021: * Redistribution and use of this software and associated documentation ("Software"),
022: * with or without modification, are permitted provided that the following conditions are met:
023: * 1. Redistributions of source code must retain copyright statements and notices.
024: * Redistributions must also contain a copy of this document.
025: * 2. Redistributions in binary form must reproduce the above copyright notice,
026: * this list of conditions and the following disclaimer in the documentation
027: * and/or other materials provided with the distribution.
028: * 3. The name "JAFFA" must not be used to endorse or promote products derived from
029: * this Software without prior written permission. For written permission,
030: * please contact mail to: jaffagroup@yahoo.com.
031: * 4. Products derived from this Software may not be called "JAFFA" nor may "JAFFA"
032: * appear in their names without prior written permission.
033: * 5. Due credit should be given to the JAFFA Project (http://jaffa.sourceforge.net).
034: *
035: * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
036: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
037: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
038: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
039: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
040: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
041: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
042: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
043: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
044: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
045: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
046: * SUCH DAMAGE.
047: * ====================================================================
048: */
049:
050: package org.jaffa.rules.fieldvalidators;
051:
052: import org.jaffa.datatypes.ValidationException;
053: import org.jaffa.exceptions.FrameworkException;
054: import org.jaffa.metadata.DecimalFieldMetaData;
055: import org.jaffa.datatypes.FieldValidator;
056:
057: /** This implementation of the IFieldValidator ensures that the field has a Decimal value.
058: */
059: public class DecimalFieldValidator extends AbstractFieldValidator {
060:
061: private String m_layout = null;
062: private Double m_minValue = null;
063: private Double m_maxValue = null;
064: private Integer m_intSize = null;
065: private Integer m_fracSize = null;
066:
067: /** Getter for property layout.
068: * @return Value of property layout.
069: */
070: public String getLayout() {
071: return m_layout;
072: }
073:
074: /** Setter for property layout.
075: * @param layout New value of property layout.
076: */
077: public void setLayout(String layout) {
078: m_layout = layout;
079: }
080:
081: /** Getter for property minValue.
082: * @return Value of property minValue.
083: */
084: public Double getMinValue() {
085: return m_minValue;
086: }
087:
088: /** Setter for property minValue.
089: * @param minValue New value of property minValue.
090: */
091: public void setMinValue(Double minValue) {
092: m_minValue = minValue;
093: }
094:
095: /** Getter for property maxValue.
096: * @return Value of property maxValue.
097: */
098: public Double getMaxValue() {
099: return m_maxValue;
100: }
101:
102: /** Setter for property maxValue.
103: * @param maxValue New value of property maxValue.
104: */
105: public void setMaxValue(Double maxValue) {
106: m_maxValue = maxValue;
107: }
108:
109: /** Getter for property intSize.
110: * @return Value of property intSize.
111: */
112: public Integer getIntSize() {
113: return m_intSize;
114: }
115:
116: /** Setter for property intSize.
117: * @param intSize New value of property intSize.
118: */
119: public void setIntSize(Integer intSize) {
120: m_intSize = intSize;
121: }
122:
123: /** Getter for property fracSize.
124: * @return Value of property fracSize.
125: */
126: public Integer getFracSize() {
127: return m_fracSize;
128: }
129:
130: /** Setter for property fracSize.
131: * @param fracSize New value of property fracSize.
132: */
133: public void setFracSize(Integer fracSize) {
134: m_fracSize = fracSize;
135: }
136:
137: /** The RulesEngine will invoke this method to perform the field validation.
138: * @throws ValidationException if any validation rule fails.
139: * @throws FrameworkException if any framework error occurs.
140: */
141: public void validate() throws ValidationException,
142: FrameworkException {
143: Object value = getValue();
144: if (value != null) {
145: DecimalFieldMetaData meta = new DecimalFieldMetaData(null,
146: getLabelToken(), null, getLayout(), getMinValue(),
147: getMaxValue(), getIntSize(), getFracSize());
148: if (value instanceof Double)
149: FieldValidator.validate((Double) value, meta, false);
150: else
151: FieldValidator.validateData(value.toString(), meta);
152: }
153: }
154:
155: }
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