package org.kuali.student.enrollment.class2.acal.keyvalue;

 import java.util.ArrayList;

 import java.util.List;

 import java.util.Iterator;

 import java.io.Serializable;

 import javax.xml.namespace.QName;

 import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;

 import org.kuali.rice.core.api.util.ConcreteKeyValue;

 import org.kuali.rice.krad.keyvalues.KeyValuesBase;

 import org.kuali.student.lum.lu.service.LuServiceConstants;

 import org.kuali.student.lum.lu.service.LuService;

 import org.kuali.student.common.exceptions.OperationFailedException;

 import org.kuali.student.lum.lu.dto.LuTypeInfo;

 public class CredentialProgramTypeKeyValues extends KeyValuesBase implements Serializable{

         public static final String CREDENTIAL_PROGRAM_TYPE_KEY_PREFIX = "kuali.lu.type.credential.";

         private static final long serialVersionUID = 1L;        

     private transient LuService luService;

     public List getKeyValues() {

         List<ConcreteKeyValue> keyValues = new ArrayList<ConcreteKeyValue>();

 //        keyValues.add(new ConcreteKeyValue("kuali.lu.type.credential.Baccalaureate", "Baccalaureate" ));

 //        keyValues.add(new ConcreteKeyValue("kuali.lu.type.credential.Masters", "Masters"));

         try {

                 //pull out data from KSLU_LUTYPE

                    List<LuTypeInfo> luTypeInfoList = getLuService().getLuTypes();

                 if (luTypeInfoList == null){

                         System.out.println(">>Didn't get luTypeInfoList, luTypeInfoList is null.");

                 }

                 else if (luTypeInfoList.size()== 0){

                         System.out.println(">>Didn't get luTypeInfoList, luTypeInfoList is zero.");

                 }

                 else if (luTypeInfoList.size()>= 0){

                         Iterator luTypeInfoIterator = luTypeInfoList.iterator();

                         while (luTypeInfoIterator.hasNext()){

                                 LuTypeInfo luTypeInfo = (LuTypeInfo)luTypeInfoIterator.next();

                                 String luTypeInfoKey = luTypeInfo.getId();

                                 if (luTypeInfoKey.startsWith(CREDENTIAL_PROGRAM_TYPE_KEY_PREFIX)){

                                         String name = luTypeInfo.getName();

                                         System.out.println(">>>luTypeInfoKey="+luTypeInfoKey+", name="+name);

                                         keyValues.add(new ConcreteKeyValue(luTypeInfoKey,name));

                                 }                                

                         }

                 }

         }catch (OperationFailedException ofe){

                 return keyValues;

         }

         return keyValues;

     }

     //Note: here I am using r1 LuService implementation!!!

     protected LuService getLuService() {

         if(luService == null) {

                 luService = (LuService)GlobalResourceLoader.getService(new QName(LuServiceConstants.LU_NAMESPACE,"LuService"));

         }

         return this.luService;

     }

 }