1 /**
2 * Copyright 2005-2011 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.rice.krad.datadictionary.validation.constraint;
17
18 import org.apache.commons.lang.StringUtils;
19 import org.kuali.rice.krad.uif.UifConstants;
20
21
22 /**
23 * Pattern for matching alpha characters
24 *
25 * @author Kuali Rice Team (rice.collab@kuali.org)
26 */
27 public class AlphaPatternConstraint extends AllowCharacterConstraint {
28 protected boolean lowerCase = false;
29 protected boolean upperCase = false;
30
31 /**
32 * @see org.kuali.rice.krad.datadictionary.validation.ValidationPattern#getRegexString()
33 */
34 protected String getRegexString() {
35 StringBuilder regexString = new StringBuilder("[A-Za-z");
36 /*
37 * This check must be first because we are removing the base 'A-Z' if lowerCase == true
38 */
39 if (lowerCase) {
40 regexString = new StringBuilder("[a-z");
41 }
42 else if(upperCase){
43 regexString = new StringBuilder("[A-Z");
44 }
45 regexString.append(this.getAllowedCharacterRegex());
46 regexString.append("]");
47
48 return regexString.toString();
49 }
50
51 /**
52 * A label key is auto generated for this bean if none is set. This generated message can be
53 * overridden through setLabelKey, but the generated message should cover most cases.
54 *
55 * @see org.kuali.rice.krad.datadictionary.validation.constraint.BaseConstraint#getLabelKey()
56 */
57 @Override
58 public String getLabelKey() {
59 if (StringUtils.isEmpty(labelKey)) {
60 StringBuilder key = new StringBuilder("");
61 if (lowerCase) {
62 return (UifConstants.Messages.VALIDATION_MSG_KEY_PREFIX + "alphaPatternLowerCase");
63 } else if(upperCase){
64 return (UifConstants.Messages.VALIDATION_MSG_KEY_PREFIX + "alphaPatternUpperCase");
65 }
66 else{
67 return (UifConstants.Messages.VALIDATION_MSG_KEY_PREFIX + "alphaPattern");
68 }
69 }
70 return labelKey;
71 }
72
73 /**
74 * @return the lowerCase
75 */
76 public boolean isLowerCase() {
77 return this.lowerCase;
78 }
79
80 /**
81 * Only allow lowerCase characters. DO NOT use with upperCase option, no flags set for case
82 * means both upper and lower case are allowed.
83 * @param lowerCase the lowerCase to set
84 */
85 public void setLowerCase(boolean lowerCase) {
86 this.lowerCase = lowerCase;
87 }
88
89 public boolean isUpperCase() {
90 return upperCase;
91 }
92
93 /**
94 * Only allow upperCase characters. DO NOT use with lowerCase option, no flags set for case
95 * means both upper and lower case are allowed.
96 * @param lowerCase the lowerCase to set
97 */
98 public void setUpperCase(boolean upperCase) {
99 this.upperCase = upperCase;
100 }
101
102 }