/*

  * Copyright 2007-2010 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.kns.lookup;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.HashMap;

 import java.util.Map;

 import java.util.Set;

 import org.kuali.rice.kns.bo.BusinessObject;

 import org.kuali.rice.kns.bo.PersistableBusinessObject;

 import org.kuali.rice.kns.bo.SelectedObjectIds;

 import org.kuali.rice.kns.exception.AuthorizationException;

 import org.kuali.rice.kns.service.BusinessObjectService;

 import org.kuali.rice.kns.util.KNSPropertyConstants;

 /**

  * The LookupResultsSupportStrategyService implementation which supports PersistableBusinessObjects, simply enough 

  * 

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

  *

  */

 public class PersistableBusinessObjectLookupResultsSupportStrategyImpl

                 implements LookupResultsSupportStrategyService {

         private BusinessObjectService businessObjectService;

         /**

          * Returns the object id

          * 

          * @see org.kuali.rice.kns.lookup.LookupResultsSupportStrategyService#getLookupIdForBusinessObject(org.kuali.rice.kns.bo.BusinessObject)

          */

         public String getLookupIdForBusinessObject(BusinessObject businessObject) {

                 PersistableBusinessObject pbo = (PersistableBusinessObject)businessObject;

                 return pbo.getObjectId(); 

         }

         /**

          * Uses the BusinessObjectService to retrieve a collection of PersistableBusinessObjects

          * 

          * @see org.kuali.rice.kns.lookup.LookupResultsSupportStrategyService#retrieveSelectedResultBOs(java.lang.String, java.lang.Class, java.lang.String)

          */

         public <T extends BusinessObject> Collection<T> retrieveSelectedResultBOs(Class<T> boClass, Set<String> lookupIds)

                         throws Exception {

         Map<String, Collection<String>> queryCriteria = new HashMap<String, Collection<String>>();

         queryCriteria.put(KNSPropertyConstants.OBJECT_ID, lookupIds);

         return getBusinessObjectService().findMatching(boClass, queryCriteria);

         }

         /**

          * Sees if the class implements the PersistableBusinessObject interface; if so, then yes, the BO qualifies!

          * @see org.kuali.rice.kns.lookup.LookupResultsSupportStrategyService#qualifiesForStrategy(java.lang.Class)

          */

         public boolean qualifiesForStrategy(Class<? extends BusinessObject> boClass) {

                 return PersistableBusinessObject.class.isAssignableFrom(boClass);

         }

         /**

          * @return the businessObjectService

          */

         public BusinessObjectService getBusinessObjectService() {

                 return this.businessObjectService;

         }

         /**

          * @param businessObjectService the businessObjectService to set

          */

         public void setBusinessObjectService(BusinessObjectService businessObjectService) {

                 this.businessObjectService = businessObjectService;

         }

 }