org.eclipse.debug.core/core/org/eclipse/debug/internal/core/variables/ProjectNameExpander.java

/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.debug.internal.core.variables;

import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.variables.ExpandVariableContext;

/**
 * Extracts the project name from a variable context
 */
public class ProjectNameExpander extends ProjectExpander {

	/**
	 * Returns the name of the project in the given context or
	 * <code>null</code> if there is no project in the context.
	 */
	public String getText(String varTag, String varValue, ExpandVariableContext context) throws CoreException {
		IResource resource= expand(varValue, context);
		if (resource != null) {
			return resource.getName();
		}
		throwExpansionException(varTag, LaunchVariableMessages.getString("ProjectNameExpander.0")); //$NON-NLS-1$
		return null;
	}
}