CatalogService.java

/*
 * Copyright 2010-2011 Ning, Inc.
 *
 * Ning licenses this file to you 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 com.ning.billing.catalog;

import java.net.URI;

import com.google.inject.Provider;
import com.ning.billing.catalog.api.ICatalog;
import com.ning.billing.catalog.api.ICatalogService;
import com.ning.billing.config.IBusinessConfig;
import com.ning.billing.config.ICatalogConfig;
import com.ning.billing.config.IKillbillConfig;
import com.ning.billing.lifecycle.IService;
import com.ning.billing.util.config.XMLLoader;


public class CatalogService implements IService, Provider<ICatalog>, ICatalogService {
	
	private static ICatalog catalog;


	@Override
	public void initialize(IBusinessConfig businessConfig,
			IKillbillConfig killbillConfig) throws ServiceException {
		if(killbillConfig instanceof ICatalogConfig) {
			ICatalogConfig catalogConfig = (ICatalogConfig) killbillConfig;
			try {
				catalog = XMLLoader.getObjectFromURI(new URI(catalogConfig.getCatalogURI()), Catalog.class);
			} catch (Exception e) {
				throw new ServiceException(e);
			}
		} else {
			throw new ServiceException("Configuration does not include catalog configuration.");
		}
	}

	@Override
	public void start() throws ServiceException {
		// Intentionally blank
		
	}

	@Override
	public void stop() throws ServiceException {
		// Intentionally blank
		
	}

	/* (non-Javadoc)
	 * @see com.ning.billing.catalog.ICatlogService#getCatalog()
	 */
	@Override
	public ICatalog getCatalog() {
		return catalog;
	}

	
	// Should be able to use bind(ICatalog.class).toProvider(CatalogService.class);
	@Override
	public ICatalog get() {
		return catalog;
	}
}