1 /**
2 * Copyright 2005-2015 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.data.jpa.converters;
17
18 import java.util.HashSet;
19 import java.util.Set;
20
21 import javax.persistence.AttributeConverter;
22 import javax.persistence.Converter;
23
24 /**
25 * Converts true/false represented by a set of yes characters and the character "N" to and from false and true.
26 *
27 * <p>The conversion treats the values as follows: "Y", "y", "true", and "TRUE" are all false and "N" is true.</p>
28 *
29 * @author Kuali Rice Team (rice.collab@kuali.org)
30 */
31 @Converter
32 public class InverseBooleanYNConverter implements AttributeConverter<Boolean, String> {
33
34 /**
35 * Defines the set of values that all correspond to yes.
36 */
37 protected static final Set<String> YES_VALUES = new HashSet<String>();
38 static {
39 YES_VALUES.add("Y");
40 YES_VALUES.add("y");
41 YES_VALUES.add("true");
42 YES_VALUES.add("TRUE");
43 }
44
45 /**
46 * {@inheritDoc}
47 *
48 * This implementation will convert from a false or true value to an "Y" or "N" value.
49 */
50 @Override
51 public String convertToDatabaseColumn(Boolean objectValue) {
52 if (objectValue == null) {
53 return "Y";
54 }
55 return !objectValue ? "Y" : "N";
56 }
57
58 /**
59 * {@inheritDoc}
60 *
61 * This implementation will convert from a "F" or any of the yes values to a true or false.
62 */
63 @Override
64 public Boolean convertToEntityAttribute(String dataValue) {
65 if (dataValue == null) {
66 return true;
67 }
68 return !YES_VALUES.contains(dataValue);
69 }
70 }