package net.sourceforge.phpdt.externaltools.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 ResourceContainerExpander extends ResourceExpander {

	/**
	 * Create an instance
	 */
	public ResourceContainerExpander() {
		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();
		else
			return null;
	}
}