/*******************************************************************************
 * Copyright (C) 2008-2010 The University of Manchester   
 * 
 *  Modifications to the initial code base are copyright of their
 *  respective authors, or their employers as appropriate.
 * 
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2.1 of
 *  the License, or (at your option) any later version.
 *    
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *    
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 ******************************************************************************/
package org.apache.taverna.ui.perspectives.biocatalogue.integration.service_panel;

import java.net.URI;
import java.util.Collections;
import java.util.List;

import javax.swing.Icon;

import org.apache.log4j.Logger;

//import net.sf.taverna.t2.activities.rest.ui.servicedescription.RESTActivityIcon;
import org.apache.taverna.servicedescriptions.AbstractConfigurableServiceProvider;
import net.sf.taverna.t2.servicedescriptions.impl.ServiceDescriptionRegistryImpl;

/**
 * Service provider for REST service added to the Service Panel through the
 * BioCatalogue perspective.
 * 
 * @author Alex Nenadic
 */
public class BioCatalogueRESTServiceProvider extends
	AbstractConfigurableServiceProvider<RESTFromBioCatalogueServiceDescription> {

	public static final String PROVIDER_NAME = "Service Catalogue - selected services";
	  
	private static final URI providerId = URI
	.create("http://taverna.sf.net/2010/service-provider/servicecatalogue/rest");
	
	private static Logger logger = Logger.getLogger(BioCatalogueRESTServiceProvider.class);

	public BioCatalogueRESTServiceProvider(
			RESTFromBioCatalogueServiceDescription restServiceDescription) {
		super(restServiceDescription);
	}
	
	public BioCatalogueRESTServiceProvider() {
		super(new RESTFromBioCatalogueServiceDescription());
	}
	
	@Override
	protected List<? extends Object> getIdentifyingData() {
		return getConfiguration().getIdentifyingData();
	}

	@Override
	public void findServiceDescriptionsAsync(
			FindServiceDescriptionsCallBack callBack) {
	    callBack.status("Starting Service Catalogue REST Service Provider");
		registerNewRESTMethod(getConfiguration(), callBack);
	}

	@Override
	public Icon getIcon() {
//		return RESTActivityIcon.getRESTActivityIcon();
		return getConfiguration().getIcon();
	}

	@Override
	public String getId() {
		return providerId.toString();
	}

	@Override
	public String getName() {
		return "Service Catalogue REST";
	}
	
	@Override
	public String toString() {
		return "Service Catalogue REST service " + getConfiguration().getName();
	}
	
	public static boolean registerNewRESTMethod(
			RESTFromBioCatalogueServiceDescription restServiceDescription,
			FindServiceDescriptionsCallBack callBack)	{
		if (callBack == null) {
			// We are not adding service through a callback and
			// findServiceDescriptionsAsync() -
			// we are adding directly from the BioCatalogue perspective.
			ServiceDescriptionRegistryImpl serviceDescriptionRegistry = ServiceDescriptionRegistryImpl
					.getInstance();
			serviceDescriptionRegistry
					.addServiceDescriptionProvider(new BioCatalogueRESTServiceProvider(
							restServiceDescription));
			return true;
		} else {
			{
				// Add the REST method to the Service Panel through the callback
				callBack.partialResults(Collections
						.singletonList(restServiceDescription));
				callBack.finished();
				return (true);
			}
		}
	}

}