01: /*
02: * ====================================================================
03: * JAFFA - Java Application Framework For All
04: *
05: * Copyright (C) 2002 JAFFA Development Group
06: *
07: * This library is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU Lesser General Public
09: * License as published by the Free Software Foundation; either
10: * version 2.1 of the License, or (at your option) any later version.
11: *
12: * This library is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this library; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20: *
21: * Redistribution and use of this software and associated documentation ("Software"),
22: * with or without modification, are permitted provided that the following conditions are met:
23: * 1. Redistributions of source code must retain copyright statements and notices.
24: * Redistributions must also contain a copy of this document.
25: * 2. Redistributions in binary form must reproduce the above copyright notice,
26: * this list of conditions and the following disclaimer in the documentation
27: * and/or other materials provided with the distribution.
28: * 3. The name "JAFFA" must not be used to endorse or promote products derived from
29: * this Software without prior written permission. For written permission,
30: * please contact mail to: jaffagroup@yahoo.com.
31: * 4. Products derived from this Software may not be called "JAFFA" nor may "JAFFA"
32: * appear in their names without prior written permission.
33: * 5. Due credit should be given to the JAFFA Project (http://jaffa.sourceforge.net).
34: *
35: * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
36: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46: * SUCH DAMAGE.
47: * ====================================================================
48: */
49:
50: package org.jaffa.rules.fieldvalidators;
51:
52: import org.jaffa.datatypes.ValidationException;
53: import org.jaffa.exceptions.FrameworkException;
54: import org.jaffa.metadata.BooleanFieldMetaData;
55: import org.jaffa.datatypes.FieldValidator;
56:
57: /** This implementation of the IFieldValidator ensures that the field has a Boolean value.
58: */
59: public class BooleanFieldValidator extends AbstractFieldValidator {
60:
61: private String m_pattern = null;
62:
63: /** Getter for property pattern.
64: * @return Value of property pattern.
65: */
66: public String getPattern() {
67: return m_pattern;
68: }
69:
70: /** Setter for property pattern.
71: * @param pattern New value of property pattern.
72: */
73: public void setPattern(String pattern) {
74: m_pattern = pattern;
75: }
76:
77: /** The RulesEngine will invoke this method to perform the field validation.
78: * @throws ValidationException if any validation rule fails.
79: * @throws FrameworkException if any framework error occurs.
80: */
81: public void validate() throws ValidationException,
82: FrameworkException {
83: Object value = getValue();
84: if (value != null) {
85: if (!(value instanceof Boolean)) {
86: BooleanFieldMetaData meta = new BooleanFieldMetaData(
87: null, getLabelToken(), null, null, getPattern());
88: FieldValidator.validateData(value.toString(), meta);
89: }
90: }
91: }
92:
93: }
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