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Tobago JSF 1.1-1.2 Compatibility Bridge
(makes Tobago independent from differences between JSF 1.1 and JSF 1.2).
package org.apache.myfaces.tobago.util;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import org.apache.commons.beanutils.PropertyUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Comparator;
import java.io.Serializable;
/**
* Created: Mon Apr 15 15:56:44 2002
*/
public class BeanComparator extends ComparatorBase implements Serializable {
private static final long serialVersionUID = -7450094725566090886L;
private static final Logger LOG = LoggerFactory.getLogger(BeanComparator.class);
private String property;
public BeanComparator(String property) {
this.property = property;
}
public BeanComparator(String property, boolean reverse) {
super(reverse);
this.property = property;
}
public BeanComparator(String property, Comparator comparator) {
super(comparator);
this.property = property;
}
public BeanComparator(String property, Comparator comparator, boolean reverse) {
super(reverse, comparator);
this.property = property;
}
/**
* @param param1
* @return
*/
public boolean equals(Object param1) {
if (this == param1) {
return true;
}
if (param1 instanceof BeanComparator) {
return ((BeanComparator) param1).getProperty().equals(property)
&& super.equals(param1);
}
return false;
}
public int hashCode() {
int result;
result = (property != null ? property.hashCode() : 0);
result = 29 * result + super.hashCode();
return result;
}
// implementation of java.util.Comparator interface
/**
* @param param1
* @param param2
* @return
*/
public int compare(Object param1, Object param2) {
Object obj1;
Object obj2;
try {
obj1 = PropertyUtils.getProperty(param1, property);
obj2 = PropertyUtils.getProperty(param2, property);
} catch (Exception e) {
LOG.error(e.getMessage(), e);
return 0;
}
return internalCompare(obj1, obj2);
}
public String getProperty() {
return this.property;
}
}
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