org.springframework.core.OrderComparator Maven / Gradle / Ivy
/*
* Copyright 2002-2013 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.springframework.core;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
/**
* {@link Comparator} implementation for {@link Ordered} objects,
* sorting by order value ascending (resp. by priority descending).
*
* Non-{@code Ordered} objects are treated as greatest order
* values, thus ending up at the end of the list, in arbitrary order
* (just like same order values of {@code Ordered} objects).
*
* @author Juergen Hoeller
* @since 07.04.2003
* @see Ordered
* @see java.util.Collections#sort(java.util.List, java.util.Comparator)
* @see java.util.Arrays#sort(Object[], java.util.Comparator)
*/
public class OrderComparator implements Comparator