1 /**
2 * Copyright 2005-2012 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 java.util.ArrayList;
19 import java.util.List;
20
21 import org.kuali.rice.core.api.config.property.ConfigurationService;
22 import org.kuali.rice.krad.service.KRADServiceLocator;
23 import org.kuali.rice.krad.uif.UifConstants;
24
25 /**
26 * Validation pattern for matching floating point numbers, optionally matching negative numbers
27 *
28 * @author Kuali Rice Team (rice.collab@kuali.org)
29 */
30 public class FloatingPointPatternConstraint extends ConfigurationBasedRegexPatternConstraint {
31
32 protected boolean allowNegative;
33
34 /**
35 * @see org.kuali.rice.krad.datadictionary.validation.constraint.ValidCharactersPatternConstraint#getRegexString()
36 */
37 @Override
38 protected String getRegexString() {
39 StringBuffer regex = new StringBuffer();
40
41 if (isAllowNegative()) {
42 regex.append("-?");
43 }
44 regex.append(super.getRegexString());
45
46 return regex.toString();
47 }
48
49 /**
50 * @return the allowNegative
51 */
52 public boolean isAllowNegative() {
53 return this.allowNegative;
54 }
55
56 /**
57 * @param allowNegative the allowNegative to set
58 */
59 public void setAllowNegative(boolean allowNegative) {
60 this.allowNegative = allowNegative;
61 }
62
63 /**
64 * This overridden method ...
65 *
66 * @see org.kuali.rice.krad.datadictionary.validation.constraint.ValidDataPatternConstraint#getValidationMessageParams()
67 */
68 @Override
69 public List<String> getValidationMessageParams() {
70 if (validationMessageParams == null) {
71 validationMessageParams = new ArrayList<String>();
72 ConfigurationService configService = KRADServiceLocator.getKualiConfigurationService();
73 if (allowNegative) {
74 validationMessageParams.add(configService
75 .getPropertyValueAsString(UifConstants.Messages.VALIDATION_MSG_KEY_PREFIX
76 + "positiveOrNegative"));
77 } else {
78 validationMessageParams.add(configService
79 .getPropertyValueAsString(UifConstants.Messages.VALIDATION_MSG_KEY_PREFIX + "positive"));
80 }
81 }
82 return validationMessageParams;
83 }
84 }