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package org.eclipse.ui.externaltools.internal.variable;

/**********************************************************************
Copyright (c) 2002 IBM Corp. and others. All rights reserved.
This file is made available under the terms of the Common Public License v1.0
which accompanies this distribution, and is available at
http://www.eclipse.org/legal/cpl-v10.html
�
Contributors:
**********************************************************************/

import org.eclipse.core.resources.IResource;

/**
 * Expands a resource's container type variable into the desired
 * result format.
 * <p>
 * This class is not intended to be extended by clients.
 * </p>
 */
public class ContainerExpander extends ResourceExpander {

	/**
	 * Create an instance
	 */
	public ContainerExpander() {
		super();
	}

	/* (non-Javadoc)
	 * Method declared on ResourceExpander.
	 */
	/*package*/ IResource expand(String varValue, ExpandVariableContext context) {
		IResource resource = super.expand(varValue, context);
		if (resource != null) {
			return resource.getParent();
		}
		return null;
	}
}