/**

  * Copyright 2005-2011 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.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.kim.impl.type;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.core.api.exception.RiceIllegalArgumentException;

 import org.kuali.rice.kim.api.type.KimType;

 import org.kuali.rice.kim.api.type.KimTypeInfoService;

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

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.Collections;

 import java.util.HashMap;

 import java.util.Map;

 public class KimTypeInfoServiceImpl implements KimTypeInfoService {

     private BusinessObjectService businessObjectService;

     @Override

     public KimType getKimType(final String id) throws RiceIllegalArgumentException {

         incomingParamCheck(id, "id");

         return KimTypeBo.to(businessObjectService.findBySinglePrimaryKey(KimTypeBo.class, id));

     }

     @Override

     public KimType findKimTypeByNameAndNamespace(final String namespaceCode, final String name) throws RiceIllegalArgumentException {

         incomingParamCheck(namespaceCode, "namespaceCode");

         incomingParamCheck(name, "name");

         final Map<String, Object> crit = new HashMap<String, Object>();

         crit.put("namespaceCode", namespaceCode);

         crit.put("name", name);

         crit.put("active", "true");

         final Collection<KimTypeBo> bos = businessObjectService.findMatching(KimTypeBo.class, crit);

         if (bos != null && bos.size() > 1) {

             throw new IllegalStateException("multiple active results were found for the namespace code: " + namespaceCode + " and name: " + name);

         }

         return bos != null && bos.iterator().hasNext() ? KimTypeBo.to(bos.iterator().next()) : null;

     }

     @Override

     public Collection<KimType> findAllKimTypes() {

         final Collection<KimTypeBo> bos

                 = businessObjectService.findMatching(KimTypeBo.class, Collections.singletonMap("active", "true"));

         final Collection<KimType> ims = new ArrayList<KimType>();

         if (bos != null) {

             for (KimTypeBo bo : bos) {

                 if (bo != null) {

                     ims.add(KimTypeBo.to(bo));

                 }

             }

         }

         return Collections.unmodifiableCollection(ims);

     }

     public void setBusinessObjectService(final BusinessObjectService businessObjectService) {

         this.businessObjectService = businessObjectService;

     }

     private void incomingParamCheck(Object object, String name) {

         if (object == null) {

             throw new RiceIllegalArgumentException(name + " was null");

         } else if (object instanceof String

                 && StringUtils.isBlank((String) object)) {

             throw new RiceIllegalArgumentException(name + " was blank");

         }

     }

 }