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1   /*
2    * Copyright 2007-2010 The Kuali Foundation
3    *
4    * Licensed under the Educational Community License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.opensource.org/licenses/ecl2.php
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.kuali.rice.kns.lookup;
17  
18  import java.util.ArrayList;
19  import java.util.Collection;
20  import java.util.HashMap;
21  import java.util.Map;
22  import java.util.Set;
23  
24  import org.kuali.rice.kns.bo.BusinessObject;
25  import org.kuali.rice.kns.bo.PersistableBusinessObject;
26  import org.kuali.rice.kns.bo.SelectedObjectIds;
27  import org.kuali.rice.kns.exception.AuthorizationException;
28  import org.kuali.rice.kns.service.BusinessObjectService;
29  import org.kuali.rice.kns.util.KNSPropertyConstants;
30  
31  /**
32   * The LookupResultsSupportStrategyService implementation which supports PersistableBusinessObjects, simply enough 
33   * 
34   * @author Kuali Rice Team (rice.collab@kuali.org)
35   *
36   */
37  public class PersistableBusinessObjectLookupResultsSupportStrategyImpl
38  		implements LookupResultsSupportStrategyService {
39  	
40  	private BusinessObjectService businessObjectService;
41  
42  	/**
43  	 * Returns the object id
44  	 * 
45  	 * @see org.kuali.rice.kns.lookup.LookupResultsSupportStrategyService#getLookupIdForBusinessObject(org.kuali.rice.kns.bo.BusinessObject)
46  	 */
47  	public String getLookupIdForBusinessObject(BusinessObject businessObject) {
48  		PersistableBusinessObject pbo = (PersistableBusinessObject)businessObject;
49  		return pbo.getObjectId(); 
50  	}
51  
52  	/**
53  	 * Uses the BusinessObjectService to retrieve a collection of PersistableBusinessObjects
54  	 * 
55  	 * @see org.kuali.rice.kns.lookup.LookupResultsSupportStrategyService#retrieveSelectedResultBOs(java.lang.String, java.lang.Class, java.lang.String)
56  	 */
57  	public <T extends BusinessObject> Collection<T> retrieveSelectedResultBOs(Class<T> boClass, Set<String> lookupIds)
58  			throws Exception {
59  		
60          Map<String, Collection<String>> queryCriteria = new HashMap<String, Collection<String>>();
61          queryCriteria.put(KNSPropertyConstants.OBJECT_ID, lookupIds);
62          return getBusinessObjectService().findMatching(boClass, queryCriteria);
63  	}
64  	
65  
66  	/**
67  	 * Sees if the class implements the PersistableBusinessObject interface; if so, then yes, the BO qualifies!
68  	 * @see org.kuali.rice.kns.lookup.LookupResultsSupportStrategyService#qualifiesForStrategy(java.lang.Class)
69  	 */
70  	public boolean qualifiesForStrategy(Class<? extends BusinessObject> boClass) {
71  		return PersistableBusinessObject.class.isAssignableFrom(boClass);
72  	}
73  
74  	/**
75  	 * @return the businessObjectService
76  	 */
77  	public BusinessObjectService getBusinessObjectService() {
78  		return this.businessObjectService;
79  	}
80  
81  	/**
82  	 * @param businessObjectService the businessObjectService to set
83  	 */
84  	public void setBusinessObjectService(BusinessObjectService businessObjectService) {
85  		this.businessObjectService = businessObjectService;
86  	}
87  }