/*
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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 legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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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 legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* 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 2008 Sun Microsystems, Inc.
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* Portions Copyright 2015 ForgeRock AS.
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*/
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package org.opends.guitools.controlpanel.util;
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import java.util.Comparator;
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/**
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* Class used to compare Strings without taking into account the case.
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* It can be used to sort Strings in TreeSets for instance.
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*/
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public class LowerCaseComparator implements Comparator<String>
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{
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/** {@inheritDoc} */
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public int compare(String s1, String s2)
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{
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if (s1 != null && s2 != null)
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{
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return s1.toLowerCase().compareTo(s2.toLowerCase());
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}
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else if (s2 != null)
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{
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return -1;
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}
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else if (s1 != null)
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{
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return 1;
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}
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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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