/*

  * Copyright 2007 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.ken.service.impl;

 import java.util.Collection;

 import java.util.HashMap;

 import java.util.Map;

 import org.kuali.rice.core.dao.GenericDao;

 import org.kuali.rice.ken.bo.NotificationChannel;

 import org.kuali.rice.ken.service.NotificationChannelService;

 /**

  * NotificationChannelService implementation - uses the businessObjectDao to get at data in the underlying database.

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

  */

 public class NotificationChannelServiceImpl implements NotificationChannelService {

     private GenericDao businessObjectDao;

     /**

      * Constructs a NotificationChannelServiceImpl.java.

      * @param businessObjectDao

      */

     public NotificationChannelServiceImpl(GenericDao businessObjectDao) {

         this.businessObjectDao = businessObjectDao;

     }

     /**

      * @see org.kuali.rice.ken.service.NotificationChannelService#getNotificationChannel(java.lang.String)

      */

     public NotificationChannel getNotificationChannel(String id) {

         Map<String,  String> primaryKeys = new HashMap<String, String>();

         primaryKeys.put("id", id);

         return (NotificationChannel) businessObjectDao.findByPrimaryKey(NotificationChannel.class, primaryKeys);

     }

     /**

      * @see org.kuali.rice.ken.service.NotificationChannelService#getNotificationChannelByName(java.lang.String)

      */

     public NotificationChannel getNotificationChannelByName(String name) {

         Map<String,  String> fields = new HashMap<String, String>();

         fields.put("name", name);

         Collection<NotificationChannel> found = businessObjectDao.findMatching(NotificationChannel.class, fields);

         assert(found.size() <= 1);

         if (found.size() == 0) return null;

         return found.iterator().next();

     }

     /**

      * @see org.kuali.rice.ken.service.NotificationChannelService#getSubscribableChannels()

      */

     public Collection getSubscribableChannels() {

         Map<String, Boolean> fieldValues = new HashMap<String, Boolean>();

         String sortField = new String("name");

         fieldValues.put("subscribable", true);

         return businessObjectDao.findMatchingOrderBy(NotificationChannel.class, fieldValues, sortField, true);

     }

     /**

      * @see org.kuali.rice.ken.service.NotificationChannelService#getAllNotificationChannels()

      */

     public Collection getAllNotificationChannels() {

         String sortField = new String("name");

         return businessObjectDao.findAllOrderBy(NotificationChannel.class, sortField, true);

     }

 }