
001package org.hl7.fhir.r4.elementmodel; 002 003/* 004 Copyright (c) 2011+, HL7, Inc. 005 All rights reserved. 006 007 Redistribution and use in source and binary forms, with or without modification, 008 are permitted provided that the following conditions are met: 009 010 * Redistributions of source code must retain the above copyright notice, this 011 list of conditions and the following disclaimer. 012 * Redistributions in binary form must reproduce the above copyright notice, 013 this list of conditions and the following disclaimer in the documentation 014 and/or other materials provided with the distribution. 015 * Neither the name of HL7 nor the names of its contributors may be used to 016 endorse or promote products derived from this software without specific 017 prior written permission. 018 019 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 020 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 021 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 022 IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 023 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 024 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 025 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 026 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 027 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 028 POSSIBILITY OF SUCH DAMAGE. 029 030 */ 031 032import java.io.ByteArrayInputStream; 033import java.io.ByteArrayOutputStream; 034import java.io.IOException; 035import java.util.ArrayList; 036import java.util.List; 037 038import org.hl7.fhir.exceptions.FHIRException; 039import org.hl7.fhir.r4.conformance.ProfileUtilities; 040import org.hl7.fhir.r4.context.IWorkerContext; 041import org.hl7.fhir.r4.formats.IParser.OutputStyle; 042import org.hl7.fhir.r4.model.Base; 043import org.hl7.fhir.r4.model.CodeableConcept; 044import org.hl7.fhir.r4.model.Coding; 045import org.hl7.fhir.r4.model.ElementDefinition; 046import org.hl7.fhir.r4.model.Factory; 047import org.hl7.fhir.r4.model.Identifier; 048import org.hl7.fhir.r4.model.PrimitiveType; 049import org.hl7.fhir.r4.model.Reference; 050import org.hl7.fhir.r4.model.Resource; 051import org.hl7.fhir.r4.model.StructureDefinition; 052import org.hl7.fhir.r4.model.StructureDefinition.StructureDefinitionKind; 053import org.hl7.fhir.r4.model.Type; 054 055@Deprecated 056public class ObjectConverter { 057 058 private IWorkerContext context; 059 060 public ObjectConverter(IWorkerContext context) { 061 this.context = context; 062 } 063 064 public Element convert(Resource ig) throws IOException, FHIRException { 065 if (ig == null) 066 return null; 067 ByteArrayOutputStream bs = new ByteArrayOutputStream(); 068 org.hl7.fhir.r4.formats.JsonParser jp = new org.hl7.fhir.r4.formats.JsonParser(); 069 jp.compose(bs, ig); 070 ByteArrayInputStream bi = new ByteArrayInputStream(bs.toByteArray()); 071 return new JsonParser(context).parse(bi); 072 } 073 074 public Element convert(Property property, Type type) throws FHIRException { 075 return convertElement(property, type); 076 } 077 078 private Element convertElement(Property property, Base base) throws FHIRException { 079 if (base == null) 080 return null; 081 String tn = base.fhirType(); 082 StructureDefinition sd = context.fetchResource(StructureDefinition.class, 083 ProfileUtilities.sdNs(tn, context.getOverrideVersionNs())); 084 if (sd == null) 085 throw new FHIRException("Unable to find definition for type " + tn); 086 Element res = new Element(property.getName(), property); 087 if (sd.getKind() == StructureDefinitionKind.PRIMITIVETYPE) 088 res.setValue(((PrimitiveType) base).asStringValue()); 089 090 List<ElementDefinition> children = ProfileUtilities.getChildMap(sd, sd.getSnapshot().getElementFirstRep()); 091 for (ElementDefinition child : children) { 092 String n = tail(child.getPath()); 093 if (sd.getKind() != StructureDefinitionKind.PRIMITIVETYPE || !"value".equals(n)) { 094 Base[] values = base.getProperty(n.hashCode(), n, false); 095 if (values != null) 096 for (Base value : values) { 097 res.getChildren().add(convertElement(new Property(context, child, sd), value)); 098 } 099 } 100 } 101 return res; 102 } 103 104 private String tail(String path) { 105 if (path.contains(".")) 106 return path.substring(path.lastIndexOf('.') + 1); 107 else 108 return path; 109 } 110 111 public Type convertToType(Element element) throws FHIRException { 112 Type b = new Factory().create(element.fhirType()); 113 if (b instanceof PrimitiveType) { 114 ((PrimitiveType) b).setValueAsString(element.primitiveValue()); 115 } else { 116 for (Element child : element.getChildren()) { 117 b.setProperty(child.getName(), convertToType(child)); 118 } 119 } 120 return b; 121 } 122 123 public Resource convert(Element element) throws FHIRException { 124 ByteArrayOutputStream bo = new ByteArrayOutputStream(); 125 try { 126 new JsonParser(context).compose(element, bo, OutputStyle.NORMAL, null); 127// FileUtilities.bytesToFile(bo.toByteArray(), Utilities.path("[tmp]", "json.json"); 128 return new org.hl7.fhir.r4.formats.JsonParser().parse(bo.toByteArray()); 129 } catch (IOException e) { 130 // won't happen 131 throw new FHIRException(e); 132 } 133 134 } 135 136 public static CodeableConcept readAsCodeableConcept(Element element) { 137 CodeableConcept cc = new CodeableConcept(); 138 List<Element> list = new ArrayList<Element>(); 139 element.getNamedChildren("coding", list); 140 for (Element item : list) 141 cc.addCoding(readAsCoding(item)); 142 cc.setText(element.getNamedChildValue("text")); 143 return cc; 144 } 145 146 public static Coding readAsCoding(Element item) { 147 Coding c = new Coding(); 148 c.setSystem(item.getNamedChildValue("system")); 149 c.setVersion(item.getNamedChildValue("version")); 150 c.setCode(item.getNamedChildValue("code")); 151 c.setDisplay(item.getNamedChildValue("display")); 152 return c; 153 } 154 155 public static Identifier readAsIdentifier(Element item) { 156 Identifier r = new Identifier(); 157 r.setSystem(item.getNamedChildValue("system")); 158 r.setValue(item.getNamedChildValue("value")); 159 return r; 160 } 161 162 public static Reference readAsReference(Element item) { 163 Reference r = new Reference(); 164 r.setDisplay(item.getNamedChildValue("display")); 165 r.setReference(item.getNamedChildValue("reference")); 166 r.setType(item.getNamedChildValue("type")); 167 List<Element> identifier = item.getChildrenByName("identifier"); 168 if (identifier.isEmpty() == false) { 169 r.setIdentifier(readAsIdentifier(identifier.get(0))); 170 } 171 return r; 172 } 173 174}