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_30_50;
040import org.hl7.fhir.convertors.factory.VersionConvertorFactory_30_50;
041import org.hl7.fhir.dstu3.formats.JsonParser;
042import org.hl7.fhir.dstu3.formats.XmlParser;
043import org.hl7.fhir.dstu3.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 R3ToR5Loader extends BaseLoaderR5 implements IContextResourceLoader {
055
056  private final BaseAdvisor_30_50 advisor = new BaseAdvisor_30_50();
057
058  public R3ToR5Loader(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 r3 = null;
065    if (isJson)
066      r3 = new JsonParser().parse(stream);
067    else
068      r3 = new XmlParser().parse(stream);
069    org.hl7.fhir.r5.model.Resource r5 = VersionConvertorFactory_30_50.convertResource(r3, advisor);
070
071    Bundle b;
072    if (r5 instanceof Bundle)
073      b = (Bundle) r5;
074    else {
075      b = new Bundle();
076      b.setId(UUID.randomUUID().toString().toLowerCase());
077      b.setType(BundleType.COLLECTION);
078      b.addEntry().setResource(r5).setFullUrl(r5 instanceof CanonicalResource ? ((CanonicalResource) r5).getUrl() : null);
079    }
080    for (CodeSystem cs : advisor.getCslist()) {
081      BundleEntryComponent be = b.addEntry();
082      be.setFullUrl(cs.getUrl());
083      be.setResource(cs);
084    }
085    if (killPrimitives) {
086      List<BundleEntryComponent> remove = new ArrayList<BundleEntryComponent>();
087      for (BundleEntryComponent be : b.getEntry()) {
088        if (be.hasResource() && be.getResource() instanceof StructureDefinition) {
089          StructureDefinition sd = (StructureDefinition) be.getResource();
090          if (sd.getKind() == StructureDefinitionKind.PRIMITIVETYPE)
091            remove.add(be);
092        }
093      }
094      b.getEntry().removeAll(remove);
095    }
096    if (patchUrls) {
097      for (BundleEntryComponent be : b.getEntry()) {
098        if (be.hasResource()) {
099          doPatchUrls(be.getResource());
100        }          
101      }
102    }
103    return b;
104  }
105
106  @Override
107  public org.hl7.fhir.r5.model.Resource loadResource(InputStream stream, boolean isJson) throws FHIRException, IOException {
108    Resource r3 = null;
109    if (isJson)
110      r3 = new JsonParser().parse(stream);
111    else
112      r3 = new XmlParser().parse(stream);
113    org.hl7.fhir.r5.model.Resource r5 = VersionConvertorFactory_30_50.convertResource(r3);
114    setPath(r5);
115
116    if (!advisor.getCslist().isEmpty()) {
117      throw new FHIRException("Error: Cannot have included code systems");
118    }
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    return new ArrayList<>();
131  }
132
133  @Override
134  protected String versionString() {
135    return "3.0";
136  }
137
138}