
001package ca.uhn.fhir.rest.client.method; 002 003/*- 004 * #%L 005 * HAPI FHIR - Client Framework 006 * %% 007 * Copyright (C) 2014 - 2022 Smile CDR, Inc. 008 * %% 009 * Licensed under the Apache License, Version 2.0 (the "License"); 010 * you may not use this file except in compliance with the License. 011 * You may obtain a copy of the License at 012 * 013 * http://www.apache.org/licenses/LICENSE-2.0 014 * 015 * Unless required by applicable law or agreed to in writing, software 016 * distributed under the License is distributed on an "AS IS" BASIS, 017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 018 * See the License for the specific language governing permissions and 019 * limitations under the License. 020 * #L% 021 */ 022 023import ca.uhn.fhir.i18n.Msg; 024import java.lang.reflect.Method; 025import java.lang.reflect.Modifier; 026import java.util.*; 027 028import org.hl7.fhir.instance.model.api.IBaseResource; 029 030import ca.uhn.fhir.context.*; 031import ca.uhn.fhir.model.api.IResource; 032import ca.uhn.fhir.rest.annotation.TransactionParam; 033import ca.uhn.fhir.rest.server.exceptions.InternalErrorException; 034 035public class TransactionParameter implements IParameter { 036 037 // private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(TransactionParameter.class); 038 private FhirContext myContext; 039 private ParamStyle myParamStyle; 040 041 public TransactionParameter(FhirContext theContext) { 042 myContext = theContext; 043 } 044 045 private String createParameterTypeError(Method theMethod) { 046 return "Method '" + theMethod.getName() + "' in type '" + theMethod.getDeclaringClass().getCanonicalName() + "' is annotated with @" + TransactionParam.class.getName() 047 + " but is not of type List<" + IResource.class.getCanonicalName() + "> or Bundle"; 048 } 049 050 @Override 051 public void initializeTypes(Method theMethod, Class<? extends Collection<?>> theOuterCollectionType, Class<? extends Collection<?>> theInnerCollectionType, Class<?> theParameterType) { 052 if (theOuterCollectionType != null) { 053 throw new ConfigurationException(Msg.code(1454) + "Method '" + theMethod.getName() + "' in type '" + theMethod.getDeclaringClass().getCanonicalName() + "' is annotated with @" 054 + TransactionParam.class.getName() + " but can not be a collection of collections"); 055 } 056 if (Modifier.isInterface(theParameterType.getModifiers()) == false && IBaseResource.class.isAssignableFrom(theParameterType)) { 057 @SuppressWarnings("unchecked") 058 Class<? extends IBaseResource> parameterType = (Class<? extends IBaseResource>) theParameterType; 059 RuntimeResourceDefinition def = myContext.getResourceDefinition(parameterType); 060 if ("Bundle".equals(def.getName())) { 061 myParamStyle = ParamStyle.RESOURCE_BUNDLE; 062 } else { 063 throw new ConfigurationException(Msg.code(1455) + createParameterTypeError(theMethod)); 064 } 065 } else { 066 if (theInnerCollectionType.equals(List.class) == false) { 067 throw new ConfigurationException(Msg.code(1456) + createParameterTypeError(theMethod)); 068 } 069 if (theParameterType.equals(IResource.class) == false && theParameterType.equals(IBaseResource.class) == false) { 070 throw new ConfigurationException(Msg.code(1457) + createParameterTypeError(theMethod)); 071 } 072 myParamStyle = ParamStyle.RESOURCE_LIST; 073 } 074 } 075 076 @Override 077 public void translateClientArgumentIntoQueryArgument(FhirContext theContext, Object theSourceClientArgument, Map<String, List<String>> theTargetQueryArguments, IBaseResource theTargetResource) 078 throws InternalErrorException { 079 // nothing 080 081 } 082 083 public ParamStyle getParamStyle() { 084 return myParamStyle; 085 } 086 087 public enum ParamStyle { 088 /** New style bundle (defined in hapi-fhir-structures-* as a resource definition itself */ 089 RESOURCE_BUNDLE, 090 /** List of resources */ 091 RESOURCE_LIST 092 } 093 094}