/**
    * Copyright 2011 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.xsl.dao;
  
  import java.util.List;
  
  import javax.persistence.EntityManager;
  import javax.persistence.OptimisticLockException;
  import javax.persistence.PersistenceContext;
  import javax.persistence.Query;
  
  import org.apache.log4j.Logger;
  import org.kuali.mobility.xsl.entity.Xsl;
  import org.springframework.stereotype.Repository;
  
  @Repository
  @Deprecated
  public class XslDaoImpl implements XslDao {
  	private static final Logger LOG = Logger.getLogger(XslDaoImpl.class);
  
      @PersistenceContext
      private EntityManager entityManager;
      
      public void deleteXslById(Long id) {
          Query query = entityManager.createQuery("delete from Xsl x where x.xslId = :id");
          query.setParameter("id", id);
          query.executeUpdate();
      }
  
      @SuppressWarnings("unchecked")
      public List<Xsl> findAllXsl() {
          Query query = entityManager.createQuery("select x from Xsl x order by x.id");
          return query.getResultList();
      }
  
      public Xsl findXslById(Long id) {
          Query query = entityManager.createQuery("select x from Xsl x where x.xslId = :id");
          query.setParameter("id", id);
          return (Xsl) query.getSingleResult();
      }
      
      public Xsl findXslByCode(String code) {
          Query query = entityManager.createQuery("select x from Xsl x where x.code = :code");
          query.setParameter("code", code);
          return (Xsl) query.getSingleResult();
      }
  
      public Long saveXsl(Xsl xsl) {
          if (xsl == null) {
              return null;
          }
  	    try {
  	        if (xsl.getValue() != null) {
  	            xsl.setValue(xsl.getValue().trim());
  	        }
  	        if (xsl.getXslId() == null) {
  	            entityManager.persist(xsl);
  	        } else {
  	            entityManager.merge(xsl);
  	        }
  	    } catch( OptimisticLockException ole ) {
  		    LOG.error(ole.getLocalizedMessage(),ole);
  	        return null;
  	    }
  		return xsl.getXslId();
      }
      
      public EntityManager getEntityManager() {
          return entityManager;
      }
  
      public void setEntityManager(EntityManager entityManager) {
          this.entityManager = entityManager;
      }
      
  }