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/*
* 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.
*
*/
package org.apache.tools.ant.types.resources.comparators;
import org.apache.tools.ant.types.Resource;
/**
* Compares Resources by last modification date.
* @since Ant 1.7
*/
public class Date extends ResourceComparator {
/**
* Compare two Resources.
* @param foo the first Resource.
* @param bar the second Resource.
* @return a negative integer, zero, or a positive integer as the first
* argument is less than, equal to, or greater than the second.
*/
protected int resourceCompare(Resource foo, Resource bar) {
long diff = foo.getLastModified() - bar.getLastModified();
if (diff > 0) {
return +1;
} else if (diff < 0) {
return -1;
} else {
return 0;
}
}
}
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