001/* 002 * #%L 003 * HAPI FHIR - Core Library 004 * %% 005 * Copyright (C) 2014 - 2024 Smile CDR, Inc. 006 * %% 007 * Licensed under the Apache License, Version 2.0 (the "License"); 008 * you may not use this file except in compliance with the License. 009 * You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 * #L% 019 */ 020package ca.uhn.fhir.context; 021 022import ca.uhn.fhir.i18n.Msg; 023import ca.uhn.fhir.model.api.annotation.Child; 024import ca.uhn.fhir.model.api.annotation.Description; 025import org.hl7.fhir.instance.model.api.IBase; 026 027import java.lang.reflect.Field; 028 029public class RuntimeChildPrimitiveEnumerationDatatypeDefinition extends RuntimeChildPrimitiveDatatypeDefinition { 030 031 private Object myBinder; 032 private Class<? extends Enum<?>> myEnumType; 033 034 public RuntimeChildPrimitiveEnumerationDatatypeDefinition( 035 Field theField, 036 String theElementName, 037 Child theChildAnnotation, 038 Description theDescriptionAnnotation, 039 Class<? extends IBase> theDatatype, 040 Class<? extends Enum<?>> theBinderType) { 041 super(theField, theElementName, theDescriptionAnnotation, theChildAnnotation, theDatatype); 042 043 myEnumType = theBinderType; 044 } 045 046 @Override 047 public Class<? extends Enum<?>> getBoundEnumType() { 048 return myEnumType; 049 } 050 051 @Override 052 public Object getInstanceConstructorArguments() { 053 Object retVal = myBinder; 054 if (retVal == null) { 055 retVal = toEnumFactory(myEnumType); 056 myBinder = retVal; 057 } 058 return retVal; 059 } 060 061 static Object toEnumFactory(Class<?> theEnumerationType) { 062 Class<?> clazz; 063 String className = theEnumerationType.getName() + "EnumFactory"; 064 Object retVal; 065 try { 066 clazz = Class.forName(className); 067 retVal = clazz.newInstance(); 068 } catch (Exception e) { 069 throw new ConfigurationException(Msg.code(1694) + "Failed to instantiate " + className, e); 070 } 071 return retVal; 072 } 073}