/*

  * Copyright 2009 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.opensource.org/licenses/ecl2.php

  *

  * 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.rice.kew.edl.dao.impl;

 import java.util.ArrayList;

 import java.util.List;

 import javax.persistence.EntityManager;

 import javax.persistence.NoResultException;

 import javax.persistence.PersistenceContext;

 import org.kuali.rice.core.jpa.criteria.Criteria;

 import org.kuali.rice.core.jpa.criteria.QueryByCriteria;

 import org.kuali.rice.core.util.OrmUtils;

 import org.kuali.rice.kew.edl.bo.EDocLiteAssociation;

 import org.kuali.rice.kew.edl.bo.EDocLiteDefinition;

 import org.kuali.rice.kew.edl.bo.EDocLiteStyle;

 import org.kuali.rice.kew.edl.dao.EDocLiteDAO;

 /**

  * JPA implementation of the EDOcLiteDAO

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class EDocLiteDAOJpaImpl implements EDocLiteDAO {

     private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(EDocLiteDAOJpaImpl.class);

     private static final String ACTIVE_IND_CRITERIA = "activeInd";

     private static final String NAME_CRITERIA = "name";

     @PersistenceContext(unitName = "kew-unit")

     private EntityManager entityManager;

     /**

      * Save a EDocLiteStyle

      *

      * @see org.kuali.rice.kew.edl.dao.EDocLiteDAO#saveEDocLiteStyle(org.kuali.rice.kew.edl.bo.EDocLiteStyle)

      */

     public void saveEDocLiteStyle(final EDocLiteStyle styleData) {

         if (styleData.getEdocLiteStyleId() == null) {

             entityManager.persist(styleData);

         } else {

             OrmUtils.merge(entityManager, styleData);

         }

     }

     /**

      * Save a EDocLiteDefinition

      *

      * @see org.kuali.rice.kew.edl.dao.EDocLiteDAO#saveEDocLiteDefinition(org.kuali.rice.kew.edl.bo.EDocLiteDefinition)

      */

     public void saveEDocLiteDefinition(final EDocLiteDefinition edocLiteData) {

         if (edocLiteData.getEDocLiteDefId() == null) {

             entityManager.persist(edocLiteData);

         } else {

             OrmUtils.merge(entityManager, edocLiteData);

         }

     }

     /**

      * Save a EDocLiteAssocitaion

      *

      * @see org.kuali.rice.kew.edl.dao.EDocLiteDAO#saveEDocLiteAssociation(org.kuali.rice.kew.edl.bo.EDocLiteAssociation)

      */

     public void saveEDocLiteAssociation(final EDocLiteAssociation assoc) {

         if (assoc.getEdocLiteAssocId() == null) {

             entityManager.persist(assoc);

         } else {

             OrmUtils.merge(entityManager, assoc);

         }

     }

     /**

      * Get a EDocLoiteStyle

      *

      * @see org.kuali.rice.kew.edl.dao.EDocLiteDAO#getEDocLiteStyle(java.lang.String)

      */

     public EDocLiteStyle getEDocLiteStyle(final String styleName) {

         final Criteria crit = new Criteria(EDocLiteStyle.class.getName());

         crit.eq(NAME_CRITERIA, styleName);

         crit.eq(ACTIVE_IND_CRITERIA, Boolean.TRUE);

         try {

             return (EDocLiteStyle) new QueryByCriteria(entityManager, crit).toQuery().getSingleResult();

         } catch (NoResultException e) {

             return null;

         }

     }

     /**

      * Get a EDocLiteDefinition

      *

      * @see org.kuali.rice.kew.edl.dao.EDocLiteDAO#getEDocLiteDefinition(java.lang.String)

      */

     public EDocLiteDefinition getEDocLiteDefinition(final String defName) {

         final Criteria crit = new Criteria(EDocLiteDefinition.class.getName());

         crit.eq(NAME_CRITERIA, defName);

         crit.eq(ACTIVE_IND_CRITERIA, Boolean.TRUE);

         try {

             return (EDocLiteDefinition) new QueryByCriteria(entityManager, crit).toQuery().getSingleResult();

         } catch (NoResultException e) {

             return null;

         }

     }

     /**

      * Get a EDocLiteAssociation

      *

      * @see org.kuali.rice.kew.edl.dao.EDocLiteDAO#getEDocLiteAssociation(java.lang.String)

      */

     public EDocLiteAssociation getEDocLiteAssociation(final String docTypeName) {

         final Criteria crit = new Criteria(EDocLiteAssociation.class.getName());

         crit.eq("edlName", docTypeName);

         crit.eq(ACTIVE_IND_CRITERIA, Boolean.TRUE);

         try {

             return (EDocLiteAssociation) new QueryByCriteria(entityManager, crit).toQuery().getSingleResult();

         } catch (NoResultException e) {

             return null;

         }

     }

     /**

      * Returns names of all active Styles

      *

      * @see org.kuali.rice.kew.edl.dao.EDocLiteDAO#getEDocLiteStyleNames()

      */

     public List<String> getEDocLiteStyleNames() {

         final List<EDocLiteStyle> styles = getEDocLiteStyles();

         final List<String> styleNames = new ArrayList<String>(styles.size());

         for (EDocLiteStyle style : styles) {

             styleNames.add(style.getName());

         }

         return styleNames;

     }

     /**

      * Returns all active Styles

      *

      * @see org.kuali.rice.kew.edl.dao.EDocLiteDAO#getEDocLiteStyles()

      */

     @SuppressWarnings("unchecked")

     public List<EDocLiteStyle> getEDocLiteStyles() {

         final Criteria crit = new Criteria(EDocLiteStyle.class.getName());

         crit.eq(ACTIVE_IND_CRITERIA, Boolean.TRUE);

         return (List<EDocLiteStyle>) new QueryByCriteria(entityManager, crit).toQuery().getResultList();

     }

     /**

      * Returns the names of all active Definitions

      *

      * @see org.kuali.rice.kew.edl.dao.EDocLiteDAO#getEDocLiteDefinitions()

      */

     @SuppressWarnings("unchecked")

     public List<String> getEDocLiteDefinitions() {

         final Criteria crit = new Criteria(EDocLiteDefinition.class.getName());

         crit.eq(ACTIVE_IND_CRITERIA, Boolean.TRUE);

         final List<EDocLiteDefinition> defs = (List<EDocLiteDefinition>) new QueryByCriteria(entityManager, crit).toQuery().getResultList();

         final ArrayList<String> names = new ArrayList<String>(defs.size());

         for (EDocLiteDefinition def : defs) {

             names.add(def.getName());

         }

         return names;

     }

     /**

      * Returns all active Definitions

      *

      * @see org.kuali.rice.kew.edl.dao.EDocLiteDAO#getEDocLiteAssociations()

      */

     @SuppressWarnings("unchecked")

     public List<EDocLiteAssociation> getEDocLiteAssociations() {

         final Criteria crit = new Criteria(EDocLiteAssociation.class.getName());

         crit.eq(ACTIVE_IND_CRITERIA, Boolean.TRUE);

         return (List<EDocLiteAssociation>) new QueryByCriteria(entityManager, crit).toQuery().getResultList();

     }

     /**

      * Finds matching Associations

      *

      * @see org.kuali.rice.kew.edl.dao.EDocLiteDAO#search(org.kuali.rice.kew.edl.bo.EDocLiteAssociation)

      */

     @SuppressWarnings("unchecked")

     public List<EDocLiteAssociation> search(final EDocLiteAssociation edocLite) {

         final Criteria crit = new Criteria(EDocLiteAssociation.class.getName());

         if (edocLite.getActiveInd() != null) {

             crit.eq(ACTIVE_IND_CRITERIA, edocLite.getActiveInd());

         }

         if (edocLite.getDefinition() != null) {

             crit.like("UPPER(definition)", "%" + edocLite.getDefinition().toUpperCase() + "%");

         }

         if (edocLite.getEdlName() != null) {

             crit.like("UPPER(edlName)", "%" + edocLite.getEdlName().toUpperCase() + "%");

         }

         if (edocLite.getStyle() != null) {

             crit.like("UPPER(style)", "%" + edocLite.getStyle().toUpperCase() + "%");

         }

         return (List<EDocLiteAssociation>) new QueryByCriteria(entityManager, crit).toQuery().getResultList();

     }

     /**

      * Returns a specific Association

      *

      * @see org.kuali.rice.kew.edl.dao.EDocLiteDAO#getEDocLiteAssociation(java.lang.Long)

      */

     public EDocLiteAssociation getEDocLiteAssociation(final Long associationId) {

         final Criteria crit = new Criteria(EDocLiteAssociation.class.getName());

         crit.eq("edocLiteAssocId", associationId);

         try {

             return (EDocLiteAssociation) new QueryByCriteria(entityManager, crit).toQuery().getSingleResult();

         } catch (NoResultException e) {

             return null;

         }

     }

     public EntityManager getEntityManager() {

         return this.entityManager;

     }

     public void setEntityManager(EntityManager entityManager) {

         this.entityManager = entityManager;

     }

 }