/*******************************************************************************
* Copyright (c) 2005, 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.resources.mapping;
import java.util.*;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.mapping.*;
import org.eclipse.core.runtime.*;
/**
* A simple model provider that represents the resource model itself.
*
* @since 3.2
*/
public final class ResourceModelProvider extends ModelProvider {
/* (non-Javadoc)
* @see org.eclipse.core.resources.mapping.ModelProvider#getMappings(org.eclipse.core.resources.IResource, org.eclipse.core.resources.mapping.ResourceMappingContext, org.eclipse.core.runtime.IProgressMonitor)
*/
public ResourceMapping[] getMappings(IResource resource, ResourceMappingContext context, IProgressMonitor monitor) {
return new ResourceMapping[] {new SimpleResourceMapping(resource)};
}
/* (non-Javadoc)
* @see org.eclipse.core.resources.mapping.ModelProvider#getMappings(org.eclipse.core.resources.mapping.ResourceTraversal[], org.eclipse.core.resources.mapping.ResourceMappingContext, org.eclipse.core.runtime.IProgressMonitor)
*/
public ResourceMapping[] getMappings(ResourceTraversal[] traversals, ResourceMappingContext context, IProgressMonitor monitor) throws CoreException {
Set<IAdaptable> result = new HashSet<IAdaptable>();
for (int i = 0; i < traversals.length; i++) {
ResourceTraversal traversal = traversals[i];
IResource[] resources = traversal.getResources();
int depth = traversal.getDepth();
for (int j = 0; j < resources.length; j++) {
IResource resource = resources[j];
switch (depth) {
case IResource.DEPTH_INFINITE :
result.add(resource);
break;
case IResource.DEPTH_ONE :
if (resource.getType() == IResource.FILE) {
result.add(resource);
} else {
result.add(new ShallowContainer((IContainer)resource));
}
break;
case IResource.DEPTH_ZERO :
if (resource.getType() == IResource.FILE)
result.add(resource);
break;
}
}
}
ResourceMapping[] mappings = new ResourceMapping[result.size()];
int i = 0;
for (Iterator<?> iter = result.iterator(); iter.hasNext();) {
Object element = iter.next();
if (element instanceof IResource) {
mappings[i++] = new SimpleResourceMapping((IResource) element);
} else {
mappings[i++] = new ShallowResourceMapping((ShallowContainer)element);
}
}
return mappings;
}
}