/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2008 Sun Microsystems, Inc.
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*/
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package org.opends.server.loggers;
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import java.io.File;
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import java.util.Comparator;
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/**
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* This class implements a comparator that can compare two files based on the
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* time that they were last modified.
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*/
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public class FileComparator implements Comparator<File>
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{
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/**
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* Compare two files based on file modification time.
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*
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* @param o1 The first file to be compared.
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* @param o2 The second file to be compared.
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*
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* @return A negative value if the first file was the most recently modified,
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* a positive value if the second was the most recently modified, or
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* zero if there is no discernible difference between the last modify
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* times.
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*/
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public int compare(File o1, File o2)
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{
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if(o1 == o2)
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{
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return 0;
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}
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if (o1.lastModified() > o2.lastModified())
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{
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return -1;
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} else if (o1.lastModified() < o2.lastModified())
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{
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return 1;
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} else
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{
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return 0;
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}
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}
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}
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