/*
    * Copyright 2010 James Pether Sörling
    *
    * 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.
   *
   *	$Id$
   *  $HeadURL$
  */
  package com.hack23.cia.service.component.agent.impl.command;
  
  import javax.jms.Destination;
  import javax.jms.JMSException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.beans.factory.annotation.Qualifier;
  import org.springframework.stereotype.Service;
  import org.springframework.transaction.annotation.Propagation;
  import org.springframework.transaction.annotation.Transactional;
  
  import com.hack23.cia.model.internal.application.data.impl.DataAgentWorkOrder;
  import com.hack23.cia.model.internal.application.data.impl.RiksdagenDataSources;
  import com.hack23.cia.model.internal.application.data.impl.WorldBankDataSources;
  import com.hack23.cia.service.component.agent.api.DataAgentApi;
  import com.hack23.cia.service.component.agent.impl.common.jms.JmsSender;
  
  /**
   * The Class DataAgentApiImpl.
   */
  @Service
  @Transactional(propagation=Propagation.REQUIRED)
  final class DataAgentApiImpl implements DataAgentApi {
  
  	/** The Constant LOGGER. */
  	private static final Logger LOGGER = LoggerFactory
  			.getLogger(DataAgentApiImpl.class);
  
  	/** The jms template. */
  	@Autowired
  	private JmsSender jmsSender;
  
  	/** The riksdagen api destination. */
  	@Autowired
  	@Qualifier("riksdagenApiAgentWorkQueue")
  	private Destination riksdagenApiDestination;
  
  	/** The world bank api destination. */
  	@Autowired
  	@Qualifier("worldbankApiAgentWorkQueue")
  	private Destination worldBankApiDestination;
  
  	/**
  	 * Instantiates a new data agent api impl.
  	 */
  	public DataAgentApiImpl() {
  		super();
  	}
  
  	@Override
  	public void execute(final DataAgentWorkOrder workOrder) {
  		try {
  			sendMessage(workOrder);
  		} catch (final JMSException e) {
  			LOGGER.error("Jms exception:", e);
  		}
  	}
  
  	/**
  	 * Send message.
  	 *
  	 * @param workOrder
  	 *            the work order
  	 * @throws JMSException
  	 *             the JMS exception
  	 */
  	public void sendMessage(final DataAgentWorkOrder workOrder)
  			throws JMSException {
  
  		switch (workOrder.getTarget()) {
  		case MODEL_EXTERNAL_RIKSDAGEN:
  			for (final RiksdagenDataSources datasource :RiksdagenDataSources.values()) {
  				jmsSender.send(riksdagenApiDestination,	datasource);
  			}
  			break;
  		case MODEL_EXTERNAL_WORLDBANK:
  			for (final WorldBankDataSources datasource :WorldBankDataSources.values()) {
  				jmsSender.send(worldBankApiDestination,datasource);
  			}
 			break;
 		default:
 			break;
 		}
 	}
 
 }