/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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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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