001 /**
002 * Copyright 2010-2013 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.common.util.nullify;
017
018 import java.lang.reflect.InvocationTargetException;
019 import java.util.Arrays;
020 import java.util.List;
021
022 import org.apache.commons.beanutils.PropertyUtils;
023 import org.kuali.common.util.Str;
024 import org.kuali.common.util.property.Constants;
025 import org.springframework.util.Assert;
026
027 public class DefaultBeanNullifier implements Nullify {
028
029 Object bean;
030 List<String> properties;
031 List<String> nullTokens = Arrays.asList(Constants.NULL);
032 boolean caseSensitive = false;
033
034 @Override
035 public void nullify() {
036 Assert.notNull(bean, "bean cannot be null");
037 Assert.notNull(properties, "properties cannot be null");
038 Assert.notNull(nullTokens, "nullTokens cannot be null");
039
040 for (String property : properties) {
041 Object value = getProperty(bean, property);
042 if (isNullify(value, nullTokens, caseSensitive)) {
043 setProperty(bean, property, null);
044 }
045 }
046 }
047
048 protected boolean isNullify(Object value, List<String> nullTokens, boolean caseSensitive) {
049 if (value == null) {
050 return false;
051 } else {
052 return Str.contains(nullTokens, value.toString(), caseSensitive);
053 }
054 }
055
056 protected void setProperty(Object bean, String property, Object value) {
057 try {
058 PropertyUtils.setProperty(bean, property, value);
059 } catch (NoSuchMethodException e) {
060 throw new IllegalArgumentException(e);
061 } catch (InvocationTargetException e) {
062 throw new IllegalArgumentException(e);
063 } catch (IllegalAccessException e) {
064 throw new IllegalArgumentException(e);
065 }
066 }
067
068 protected Object getProperty(Object bean, String property) {
069 try {
070 return PropertyUtils.getProperty(bean, property);
071 } catch (NoSuchMethodException e) {
072 throw new IllegalArgumentException(e);
073 } catch (InvocationTargetException e) {
074 throw new IllegalArgumentException(e);
075 } catch (IllegalAccessException e) {
076 throw new IllegalArgumentException(e);
077 }
078 }
079
080 public Object getBean() {
081 return bean;
082 }
083
084 public void setBean(Object bean) {
085 this.bean = bean;
086 }
087
088 public List<String> getProperties() {
089 return properties;
090 }
091
092 public void setProperties(List<String> properties) {
093 this.properties = properties;
094 }
095
096 public List<String> getNullTokens() {
097 return nullTokens;
098 }
099
100 public void setNullTokens(List<String> nullTokens) {
101 this.nullTokens = nullTokens;
102 }
103
104 public boolean isCaseSensitive() {
105 return caseSensitive;
106 }
107
108 public void setCaseSensitive(boolean caseSensitive) {
109 this.caseSensitive = caseSensitive;
110 }
111
112 }