/*
* Copyright 2004-2005 the original author or authors.
*
* Licensed 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.
*/
package org.springmodules.validation.util.condition.range;
import java.util.Comparator;
import org.springframework.util.Assert;
/**
* @author Uri Boness
*/
public class PersonByAgeComparator implements Comparator {
public int compare(Object o1, Object o2) {
Assert.isInstanceOf(Person.class, o1, getClass().getName() + " can only compare Person objects");
Assert.isInstanceOf(Person.class, o2, getClass().getName() + " can only compare Person objects");
return compare((Person) o1, (Person) o2);
}
public int compare(Person p1, Person p2) {
return p1.getAge() - p2.getAge();
}
}