001package org.hl7.fhir.convertors.loaders.loaderR5; 002 003import java.io.IOException; 004import java.io.InputStream; 005import java.util.ArrayList; 006import java.util.List; 007import java.util.UUID; 008 009/* 010 Copyright (c) 2011+, HL7, Inc. 011 All rights reserved. 012 013 Redistribution and use in source and binary forms, with or without modification, 014 are permitted provided that the following conditions are met: 015 016 * Redistributions of source code must retain the above copyright notice, this 017 list of conditions and the following disclaimer. 018 * Redistributions in binary form must reproduce the above copyright notice, 019 this list of conditions and the following disclaimer in the documentation 020 and/or other materials provided with the distribution. 021 * Neither the name of HL7 nor the names of its contributors may be used to 022 endorse or promote products derived from this software without specific 023 prior written permission. 024 025 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 026 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 027 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 028 IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 029 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 030 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 031 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 032 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 033 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 034 POSSIBILITY OF SUCH DAMAGE. 035 036 */ 037 038 039import org.hl7.fhir.convertors.advisors.impl.BaseAdvisor_10_50; 040import org.hl7.fhir.convertors.factory.VersionConvertorFactory_10_50; 041import org.hl7.fhir.dstu2.formats.JsonParser; 042import org.hl7.fhir.dstu2.formats.XmlParser; 043import org.hl7.fhir.dstu2.model.Resource; 044import org.hl7.fhir.exceptions.FHIRException; 045import org.hl7.fhir.r5.context.IWorkerContext.IContextResourceLoader; 046import org.hl7.fhir.r5.model.Bundle; 047import org.hl7.fhir.r5.model.Bundle.BundleEntryComponent; 048import org.hl7.fhir.r5.model.Bundle.BundleType; 049import org.hl7.fhir.r5.model.CanonicalResource; 050import org.hl7.fhir.r5.model.CodeSystem; 051import org.hl7.fhir.r5.model.StructureDefinition; 052import org.hl7.fhir.r5.model.StructureDefinition.StructureDefinitionKind; 053 054public class R2ToR5Loader extends BaseLoaderR5 implements IContextResourceLoader { 055 056 private final BaseAdvisor_10_50 advisor = new BaseAdvisor_10_50(); 057 058 public R2ToR5Loader(List<String> types, ILoaderKnowledgeProviderR5 lkp) { 059 super(types, lkp); 060 } 061 062 @Override 063 public Bundle loadBundle(InputStream stream, boolean isJson) throws FHIRException, IOException { 064 Resource r2 = null; 065 if (isJson) 066 r2 = new JsonParser().parse(stream); 067 else 068 r2 = new XmlParser().parse(stream); 069 org.hl7.fhir.r5.model.Resource r5 = VersionConvertorFactory_10_50.convertResource(r2, advisor); 070 Bundle b; 071 if (r5 instanceof Bundle) { 072 b = (Bundle) r5; 073 } else { 074 b = new Bundle(); 075 b.setId(UUID.randomUUID().toString().toLowerCase()); 076 b.setType(BundleType.COLLECTION); 077 b.addEntry().setResource(r5).setFullUrl(r5 instanceof CanonicalResource ? ((CanonicalResource) r5).getUrl() : null); 078 } 079 // Add any code systems defined as part of processing value sets to the end of the converted Bundle 080 for (CodeSystem cs : advisor.getCslist()) { 081 BundleEntryComponent be = b.addEntry(); 082 be.setFullUrl(cs.getUrl()); 083 be.setResource(cs); 084 } 085 086 advisor.getCslist().clear(); 087 088 if (killPrimitives) { 089 List<BundleEntryComponent> remove = new ArrayList<BundleEntryComponent>(); 090 for (BundleEntryComponent be : b.getEntry()) { 091 if (be.hasResource() && be.getResource() instanceof StructureDefinition) { 092 StructureDefinition sd = (StructureDefinition) be.getResource(); 093 if (sd.getKind() == StructureDefinitionKind.PRIMITIVETYPE) 094 remove.add(be); 095 } 096 } 097 b.getEntry().removeAll(remove); 098 } 099 if (patchUrls) { 100 for (BundleEntryComponent be : b.getEntry()) { 101 if (be.hasResource()) { 102 doPatchUrls(be.getResource()); 103 } 104 } 105 } 106 return b; 107 } 108 109 110 @Override 111 public org.hl7.fhir.r5.model.Resource loadResource(InputStream stream, boolean isJson) throws FHIRException, IOException { 112 Resource r2 = null; 113 if (isJson) 114 r2 = new JsonParser().parse(stream); 115 else 116 r2 = new XmlParser().parse(stream); 117 org.hl7.fhir.r5.model.Resource r5 = VersionConvertorFactory_10_50.convertResource(r2, advisor); 118 setPath(r5); 119 if (killPrimitives) { 120 throw new FHIRException("Cannot kill primitives when using deferred loading"); 121 } 122 if (patchUrls) { 123 doPatchUrls(r5); 124 } 125 return r5; 126 } 127 128 @Override 129 public List<CodeSystem> getCodeSystems() { 130 List<CodeSystem> list = new ArrayList<>(); 131 if (!advisor.getCslist().isEmpty()) { 132 list.addAll(advisor.getCslist()); 133 advisor.getCslist().clear(); 134 } 135 return list; 136 } 137 138 @Override 139 protected String versionString() { 140 return "1.0"; 141 } 142 143}