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.StringFieldMetaData;
055: import org.jaffa.datatypes.FieldValidator;
056:
057: /** This implementation of the IFieldValidator ensures that the field has a valid String value.
058: */
059: public class StringFieldValidator extends AbstractFieldValidator {
060:
061: private String m_pattern;
062: private Integer m_length;
063: private String m_caseType;
064: private Integer m_minLength;
065:
066: /** Getter for property pattern.
067: * @return Value of property pattern.
068: */
069: public String getPattern() {
070: return m_pattern;
071: }
072:
073: /** Setter for property pattern.
074: * @param pattern New value of property pattern.
075: */
076: public void setPattern(String pattern) {
077: m_pattern = pattern;
078: }
079:
080: /** Getter for property length.
081: * @return Value of property length.
082: */
083: public Integer getLength() {
084: return m_length;
085: }
086:
087: /** Setter for property length.
088: * @param length New value of property length.
089: */
090: public void setLength(Integer length) {
091: m_length = length;
092: }
093:
094: /** Getter for property caseType.
095: * @return Value of property caseType.
096: */
097: public String getCaseType() {
098: return m_caseType;
099: }
100:
101: /** Setter for property caseType.
102: * @param caseType New value of property caseType.
103: */
104: public void setCaseType(String caseType) {
105: m_caseType = caseType;
106: }
107:
108: /** Getter for property minLength.
109: * @return Value of property minLength.
110: */
111: public Integer getMinLength() {
112: return m_minLength;
113: }
114:
115: /** Setter for property minLength.
116: * @param minLength New value of property minLength.
117: */
118: public void setMinLength(Integer minLength) {
119: m_minLength = minLength;
120: }
121:
122: /** The RulesEngine will invoke this method to perform the field validation.
123: * @throws ValidationException if any validation rule fails.
124: * @throws FrameworkException if any framework error occurs.
125: */
126: public void validate() throws ValidationException,
127: FrameworkException {
128: Object value = getValue();
129: if (value != null) {
130: StringFieldMetaData meta = new StringFieldMetaData(null,
131: getLabelToken(), null, getPattern(), getLength(),
132: getCaseType(), getMinLength());
133: FieldValidator.validateData(value.toString(), meta);
134: }
135: }
136: }
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