/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
* or http://forgerock.org/license/CDDLv1.0.html.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at legal-notices/CDDLv1_0.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2006-2008 Sun Microsystems, Inc.
* Portions Copyright 2014 ForgeRock AS
*/
package org.opends.server.loggers;
import java.io.File;
import java.util.Comparator;
/**
* This class implements a comparator that can compare two files based on the
* time that they were last modified.
*/
class FileComparator implements Comparator<File>
{
/**
* Compare two files based on file modification time.
*
* @param o1 The first file to be compared.
* @param o2 The second file to be compared.
*
* @return A negative value if the first file was the most recently modified,
* a positive value if the second was the most recently modified, or
* zero if there is no discernible difference between the last modify
* times.
*/
public int compare(File o1, File o2)
{
if(o1 == o2)
{
return 0;
}
if (o1.lastModified() > o2.lastModified())
{
return -1;
} else if (o1.lastModified() < o2.lastModified())
{
return 1;
} else
{
return 0;
}
}
}