
001package ca.uhn.fhir.rest.client.method; 002 003import ca.uhn.fhir.i18n.Msg; 004import ca.uhn.fhir.context.FhirContext; 005import ca.uhn.fhir.rest.api.QualifiedParamList; 006import ca.uhn.fhir.rest.api.RestSearchParameterTypeEnum; 007import ca.uhn.fhir.rest.server.exceptions.InternalErrorException; 008import ca.uhn.fhir.rest.server.exceptions.InvalidRequestException; 009import org.hl7.fhir.instance.model.api.IBaseResource; 010 011import java.lang.reflect.Method; 012import java.util.ArrayList; 013import java.util.Collection; 014import java.util.List; 015import java.util.Map; 016 017import static org.apache.commons.lang3.StringUtils.isNotBlank; 018 019/* 020 * #%L 021 * HAPI FHIR - Client Framework 022 * %% 023 * Copyright (C) 2014 - 2022 Smile CDR, Inc. 024 * %% 025 * Licensed under the Apache License, Version 2.0 (the "License"); 026 * you may not use this file except in compliance with the License. 027 * You may obtain a copy of the License at 028 * 029 * http://www.apache.org/licenses/LICENSE-2.0 030 * 031 * Unless required by applicable law or agreed to in writing, software 032 * distributed under the License is distributed on an "AS IS" BASIS, 033 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 034 * See the License for the specific language governing permissions and 035 * limitations under the License. 036 * #L% 037 */ 038 039public abstract class BaseQueryParameter implements IParameter { 040 041 public abstract List<QualifiedParamList> encode(FhirContext theContext, Object theObject) throws InternalErrorException; 042 043 public abstract String getName(); 044 045 public abstract RestSearchParameterTypeEnum getParamType(); 046 047 @Override 048 public void initializeTypes(Method theMethod, Class<? extends Collection<?>> theOuterCollectionType, Class<? extends Collection<?>> theInnerCollectionType, Class<?> theParameterType) { 049 // ignore for now 050 } 051 052 public abstract boolean isRequired(); 053 054 @Override 055 public void translateClientArgumentIntoQueryArgument(FhirContext theContext, Object theSourceClientArgument, Map<String, List<String>> theTargetQueryArguments, IBaseResource theTargetResource) throws InternalErrorException { 056 if (theSourceClientArgument == null) { 057 if (isRequired()) { 058 throw new NullPointerException(Msg.code(1451) + "SearchParameter '" + getName() + "' is required and may not be null"); 059 } 060 } else { 061 List<QualifiedParamList> value = encode(theContext, theSourceClientArgument); 062 063 for (QualifiedParamList nextParamEntry : value) { 064 StringBuilder b = new StringBuilder(); 065 for (String str : nextParamEntry) { 066 if (b.length() > 0) { 067 b.append(","); 068 } 069 b.append(str); 070 } 071 072 String qualifier = nextParamEntry.getQualifier(); 073 String paramName = isNotBlank(qualifier) ? getName() + qualifier : getName(); 074 List<String> paramValues = theTargetQueryArguments.computeIfAbsent(paramName, k -> new ArrayList<>(value.size())); 075 076 paramValues.add(b.toString()); 077 } 078 079 } 080 } 081 082}