/*******************************************************************************
* 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
* James Blackburn (Broadcom Corp.) - ongoing development
*******************************************************************************/
package org.eclipse.core.internal.localstore;
import org.eclipse.core.internal.resources.Resource;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
/**
* Visits a unified tree, and throws a ResourceChangedException on the first
* node that is discovered to be out of sync. The exception that is thrown
* will not have any meaningful status, message, or stack trace. However it
* does contain the target resource which can be used to bring the Resource
* back into sync.
*/
public class IsSynchronizedVisitor extends CollectSyncStatusVisitor {
static class ResourceChangedException extends RuntimeException {
private static final long serialVersionUID = 1L;
public final IResource target;
public ResourceChangedException(IResource target) {
this.target = target;
}
}
/**
* Creates a new IsSynchronizedVisitor.
*/
public IsSynchronizedVisitor(IProgressMonitor monitor) {
super("", monitor); //$NON-NLS-1$
}
/**
* @see CollectSyncStatusVisitor#changed(Resource)
*/
@Override
protected void changed(Resource target) {
throw new ResourceChangedException(target);
}
@Override
protected void fileToFolder(UnifiedTreeNode node, Resource target) {
changed((Resource)workspace.getRoot().getFolder(target.getFullPath()));
}
@Override
protected void folderToFile(UnifiedTreeNode node, Resource target) {
// Pass correct gender to changed for notification and async-refresh
changed((Resource)workspace.getRoot().getFile(target.getFullPath()));
}
}