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// $Id$
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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.annotatedlineeditor;
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import java.util.Comparator;
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import org.apache.log4j.Logger;
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import eu.etaxonomy.cdm.model.common.IdentifiableEntity;
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/**
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* <p>IdentifiableEntityComparator class.</p>
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*
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* @author p.ciardelli
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* @created 19.08.2009
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* @version 1.0
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*/
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public class IdentifiableEntityComparator implements Comparator {
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private static final Logger logger = Logger
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.getLogger(IdentifiableEntityComparator.class);
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private boolean fIgnoreCase;
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private String getTitleCache(Object o) {
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return o == null || !(o instanceof IdentifiableEntity) ?
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null : ((IdentifiableEntity) o).getTitleCache();
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}
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/* (non-Javadoc)
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* @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
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*/
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/** {@inheritDoc} */
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public int compare(Object o1, Object o2) {
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String titleCache1 = getTitleCache(o1);
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String titleCache2 = getTitleCache(o2);
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if (titleCache1 == null && titleCache2 == null) {
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return 0;
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}
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if (titleCache1 == null) {
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return -1;
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}
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if (titleCache2 == null) {
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return 1;
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}
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return fIgnoreCase ? titleCache1.compareToIgnoreCase(titleCache2) :
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titleCache1.compareTo(titleCache2);
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}
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}
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