/*******************************************************************************
* Copyright (c) 2007, 2010 Intel 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:
* Intel Corporation - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.managedbuilder.core;
import java.util.Comparator;
import org.eclipse.cdt.core.model.util.CDTListComparator;
import org.eclipse.cdt.managedbuilder.buildproperties.IBuildPropertyValue;
/**
* This class is intended to compare MBS-specific classes
*
* @noextend This class is not intended to be subclassed by clients.
*/
public class BuildListComparator extends CDTListComparator {
private static final String EMPTY = ""; //$NON-NLS-1$
private static Comparator<Object> comparator = null;
public static Comparator<Object> getInstance() {
if (comparator == null)
comparator = new BuildListComparator();
return comparator;
}
@Override
public int compare(Object a, Object b) {
if (a == null || b == null)
return 0;
if (a instanceof ITool) {
ITool c1 = (ITool)a;
ITool c2 = (ITool)b;
String s1 = c1.getName();
if (s1 == null) s1 = EMPTY;
String s2 = c2.getName();
if (s2 == null) s2 = EMPTY;
return s1.compareToIgnoreCase(s2);
}
if (a instanceof IToolChain) {
IToolChain c1 = (IToolChain)a;
IToolChain c2 = (IToolChain)b;
String s1 = c1.getUniqueRealName();
if (s1 == null) s1 = EMPTY;
String s2 = c2.getUniqueRealName();
if (s2 == null) s2 = EMPTY;
return s1.compareToIgnoreCase(s2);
}
if (a instanceof IBuilder) {
IBuilder c1 = (IBuilder)a;
IBuilder c2 = (IBuilder)b;
String s1 = c1.getUniqueRealName();
if (s1 == null) s1 = EMPTY;
String s2 = c2.getUniqueRealName();
if (s2 == null) s2 = EMPTY;
return s1.compareToIgnoreCase(s2);
}
if (a instanceof IBuildPropertyValue) {
IBuildPropertyValue c1 = (IBuildPropertyValue)a;
IBuildPropertyValue c2 = (IBuildPropertyValue)b;
return c1.getName().compareToIgnoreCase(c2.getName());
}
return super.compare(a, b);
}
}