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/*******************************************************************************
* Copyright (c) 2000, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.help.internal.workingset;
import com.ibm.icu.text.Collator;
import java.util.Comparator;
/**
* Compares two working sets by name.
*/
public class WorkingSetComparator implements Comparator<WorkingSet> {
private Collator fCollator = Collator.getInstance();
/**
* Implements Comparator.
*
* @see Comparator#compare(Object, Object)
*/
public int compare(WorkingSet o1,WorkingSet o2) {
String name1 = null;
String name2 = null;
if (o1 instanceof WorkingSet)
name1 = ((WorkingSet) o1).getName();
if (o2 instanceof WorkingSet)
name2 = ((WorkingSet) o2).getName();
if (name1 == null || name2 == null)
return -1;
return fCollator.compare(name1, name2);
}
}
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