/*******************************************************************************
* Copyright (c) 2009, 2013 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.debug.internal.core;
import java.util.Comparator;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.RefreshUtil;
/**
* Compares refresh scope attributes as the format has changed from a working
* set memento to an XML memento of resource paths. Avoids migrating attribute
* to new format until something else in the configuration changes.
*
* @since 3.6
*/
public class RefreshScopeComparator implements Comparator<String> {
@Override
public int compare(String o1, String o2) {
String m1 = o1;
String m2 = o2;
try {
IResource[] r1 = RefreshUtil.toResources(m1);
IResource[] r2 = RefreshUtil.toResources(m2);
if (r1.length == r2.length) {
for (int i = 0; i < r2.length; i++) {
if (!r1[i].equals(r2[i])) {
return -1;
}
}
return 0;
}
} catch (CoreException e) {
return -1;
}
return -1;
}
}