Copyright (c) 2006, 2014 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2006, 2014 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.core.internal.resources.mapping;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.mapping.*;
import org.eclipse.core.runtime.IProgressMonitor;

A resource mapping for a shallow container.
/**
 * A resource mapping for a shallow container.
 */
public class ShallowResourceMapping extends ResourceMapping {

	private final ShallowContainer container;

	public ShallowResourceMapping(ShallowContainer container) {
		this.container = container;
	}

	@Override
	public Object getModelObject() {
		return container;
	}

	@Override
	public String getModelProviderId() {
		return ModelProvider.RESOURCE_MODEL_PROVIDER_ID;
	}

	@Override
	public IProject[] getProjects() {
		return new IProject[] {container.getResource().getProject()};
	}

	@Override
	public ResourceTraversal[] getTraversals(ResourceMappingContext context, IProgressMonitor monitor) {
		return new ResourceTraversal[] {new ResourceTraversal(new IResource[] {container.getResource()}, IResource.DEPTH_ONE, IResource.NONE)};
	}

	@Override
	public boolean contains(ResourceMapping mapping) {
		if (mapping.getModelProviderId().equals(this.getModelProviderId())) {
			Object object = mapping.getModelObject();
			IResource resource = container.getResource();
			// A shallow mapping only contains direct file children or equal shallow containers
			if (object instanceof ShallowContainer) {
				ShallowContainer sc = (ShallowContainer) object;
				return sc.getResource().equals(resource);
			}
			if (object instanceof IResource) {
				IResource other = (IResource) object;
				return other.getType() == IResource.FILE && resource.getFullPath().equals(other.getFullPath().removeLastSegments(1));
			}
		}
		return false;
	}

}