/**
    * Copyright 2011-2013 The Kuali Foundation Licensed under the Educational
    * Community 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.osedu.org/licenses/ECL-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.kuali.mobility.emergencyinfo.dao;
  
  import java.io.IOException;
  import java.net.MalformedURLException;
  import java.net.URL;
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.persistence.EntityManager;
  import javax.persistence.PersistenceContext;
  import org.apache.commons.collections.CollectionUtils;
  import org.apache.log4j.Logger;
  import org.kuali.mobility.emergencyinfo.entity.EmergencyInfo;
  import org.kuali.mobility.emergencyinfo.entity.EmergencyInfoImpl;
  
  import org.kuali.mobility.emergencyinfo.entity.EmergencyInfoJPAImpl;
  import org.kuali.mobility.emergencyinfo.util.CampusPredicate;
  import org.kuali.mobility.util.mapper.DataMapper;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Repository;
  
  @Repository
  public class EmergencyInfoWSDaoImpl implements EmergencyInfoDao {
  
  	private static final Logger LOG = Logger.getLogger( EmergencyInfoWSDaoImpl.class );
  
  	@PersistenceContext
  	private EntityManager entityManager;
  
  	@Autowired
  	private DataMapper dataMapper;
  
  	private String sourceUrl;
  	private List<EmergencyInfoImpl> contacts = null;
  
  	private void initData() {
  		contacts = new ArrayList<EmergencyInfoImpl>();
  		try {
  			URL url = new URL( getSourceUrl() );
  			contacts.addAll(getDataMapper().mapData(contacts, url, "emergencyinfoMapping.xml"));
  		} catch( MalformedURLException mue ) {
  			LOG.error( "URL supplied for sourceUrl is malformed.", mue );
  		} catch( ClassNotFoundException cnfe ) {
  			LOG.error( "Data mapper unable to load class defined in mapping.", cnfe );
  		} catch( IOException ioe ) {
  			LOG.error( "Unabled to access emergency info source url.", ioe );
  		} catch (Exception e) {
  			LOG.error( "If you see this, something really, really strange happened.", e);
  		}
  	}
  
  	public EntityManager getEntityManager() {
  		return entityManager;
  	}
  
  	public void setEntityManager(EntityManager entityManager) {
  		this.entityManager = entityManager;
  	}
  
  	@Override
  	public EmergencyInfo findEmergencyInfoById(Long id) {
  		// TODO Auto-generated method stub
  		return null;
  	}
  
  	@Override
  	public List<? extends EmergencyInfo> findAllEmergencyInfo() {
  		if( null == contacts ) {
  			initData();
  		}
  		return contacts;
  	}
  
  	@Override
  	public List<? extends EmergencyInfo> findAllEmergencyInfoByCampus(String campus) {
  		if( null == contacts ) {
  			initData();
  		}
  		List<? extends EmergencyInfo> campusContacts = new ArrayList<EmergencyInfoImpl>();
  		campusContacts.addAll( CollectionUtils.select( contacts, new CampusPredicate(campus)) );
  		return campusContacts;
  	}
  
  	@Override
  	public Long saveEmergencyInfo(EmergencyInfo emergencyInfo) {
 		// TODO Auto-generated method stub
 		return null;
 	}
 
 	@Override
 	public void deleteEmergencyInfoById(Long id) {
 		// TODO Auto-generated method stub
 	}
 
 	@Override
 	public void reorder(Long id, boolean up) {
 		// TODO Auto-generated method stub
 	}
 
 	/**
 	 * @return the sourceUrl
 	 */
 	public String getSourceUrl() {
 		return sourceUrl;
 	}
 
 	/**
 	 * @param sourceUrl the sourceUrl to set
 	 */
 	public void setSourceUrl(String sourceUrl) {
 		this.sourceUrl = sourceUrl;
 	}
 
 	/**
 	 * @return the dataMapper
 	 */
 	public DataMapper getDataMapper() {
 		return dataMapper;
 	}
 
 	/**
 	 * @param dataMapper the dataMapper to set
 	 */
 	public void setDataMapper(DataMapper dataMapper) {
 		this.dataMapper = dataMapper;
 	}
 }