001 /**
002 * Copyright 2005-2014 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016 package org.kuali.rice.krad.web.bind;
017
018 import java.beans.PropertyEditorSupport;
019 import java.io.Serializable;
020
021 /**
022 * PropertyEditor for booleans supports y/n which the spring version does not
023 *
024 * @author Kuali Rice Team (rice.collab@kuali.org)
025 */
026 public class UifBooleanEditor extends PropertyEditorSupport implements Serializable {
027 private static final long serialVersionUID = -6333792216543862346L;
028
029 private static final String TRUE_VALUES = "/true/yes/y/on/1/";
030 private static final String FALSE_VALUES = "/false/no/n/off/0/";
031
032 private static final String TRUE_VALUE = "true";
033 private static final String FALSE_VALUE = "false";
034
035 /**
036 * Gets the property value as a string suitable for presentation
037 * to a human to edit
038 *
039 * @return The property value as a string suitable for presentation
040 * to a human to edit.
041 * <p> Returns String "true" or "false".
042 * <p> Returns "null" is the value can't be expressed as a string.
043 * <p> If a non-null value is returned, then the PropertyEditor should
044 * be prepared to parse that string back in setAsText().
045 */
046 @Override
047 public String getAsText() {
048 if(this.getValue() == null) {
049 return "";
050 }
051 else if(((Boolean)this.getValue()).booleanValue()) {
052 return TRUE_VALUE;
053 }
054 else {
055 return FALSE_VALUE;
056 }
057 }
058
059 /**
060 * Sets the property value by parsing a given String
061 *
062 * <p>
063 * The text is compared against the configured acceptable string values for
064 * boolean true and false
065 * </p>
066 *
067 * @param text The string to be parsed.
068 * @throws IllegalArgumentException if text does not contain either true or false
069 */
070 @Override
071 public void setAsText(String text) throws IllegalArgumentException {
072 String input = null;
073
074 if(text != null) {
075 StringBuilder builder = new StringBuilder();
076 builder.append("/").append(text.toLowerCase()).append("/");
077 input = builder.toString();
078
079 if(TRUE_VALUES.contains(input)) {
080 this.setValue(Boolean.TRUE);
081 }
082 else if(FALSE_VALUES.contains(input)) {
083 this.setValue(Boolean.FALSE);
084 }
085 else {
086 input = null;
087 }
088 }
089
090 if(input == null) {
091 throw new IllegalArgumentException("Invalid boolean input: " + text);
092 }
093 }
094
095 }