/*
 * Copyright 2006 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.pluto.driver.services.portal;

/**
 * Allows clients to determine if a particular PortletMode is supported
 * by the portal, a particular portlet, or both. 
 * 
 * @author <a href="mailto:esm@apache.org">Elliot Metsger</a>
 * @version $Id$
 * @since September 9, 2006
 * @see javax.portlet.PortletMode
 */
public interface SupportedModesService extends DriverConfigurationService {
    
    /**
     * Returns true if the portlet and the portal support the supplied mode.
     * @param portletId the id uniquely identifiying the portlet
     * @param mode the portlet mode
     * @return true if the portlet and portal both support the supplied mode
     */
    boolean isPortletModeSupported(String portletId, String mode);
    
    /**
     * Returns true if the portal supports the supplied mode.
     * @param mode the portlet mode
     * @return true if the portal supports the supplied mode
     */
    boolean isPortletModeSupportedByPortal(String mode);
    
    /**
     * Returns true if the portlet supports the supplied mode.
     * @param portletId the id uniquely identifying the portlet
     * @param mode the portlet mode
     * @return true if the portlet supports the supplied mode.
     */
    boolean isPortletModeSupportedByPortlet(String portletId, String mode);

}