/*******************************************************************************
 * Copyright (c) 2000, 2004 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
 *******************************************************************************/
package org.eclipse.ui;

import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;

/**
 * The IContributorResourceAdapter is an interface that defines
 * the API required to get a resource that an object adapts to
 * for use of object contributions, decorators and property
 * pages that have adaptable = true.
 * Implementors of this interface are typically registered with an
 * IAdapterFactory for lookup via the getAdapter() mechanism.
 */
public interface IContributorResourceAdapter {

    /**
     * Return the resource that the supplied adaptable 
     * adapts to. An IContributorResourceAdapter assumes
     * that any object passed to it adapts to one equivalent
     * resource.
     * 
     * @param adaptable the adaptable being queried
     * @return a resource, or <code>null</code> if there
     * 	is no adapted resource for this type
     */
    public IResource getAdaptedResource(IAdaptable adaptable);

}