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.Set;
008import java.util.UUID;
009
010/*
011  Copyright (c) 2011+, HL7, Inc.
012  All rights reserved.
013  
014  Redistribution and use in source and binary forms, with or without modification, 
015  are permitted provided that the following conditions are met:
016    
017   * Redistributions of source code must retain the above copyright notice, this 
018     list of conditions and the following disclaimer.
019   * Redistributions in binary form must reproduce the above copyright notice, 
020     this list of conditions and the following disclaimer in the documentation 
021     and/or other materials provided with the distribution.
022   * Neither the name of HL7 nor the names of its contributors may be used to 
023     endorse or promote products derived from this software without specific 
024     prior written permission.
025  
026  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
027  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
028  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
029  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
030  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
031  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
032  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
033  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
034  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
035  POSSIBILITY OF SUCH DAMAGE.
036  
037 */
038
039
040import org.hl7.fhir.convertors.advisors.impl.BaseAdvisor_30_50;
041import org.hl7.fhir.convertors.factory.VersionConvertorFactory_30_50;
042import org.hl7.fhir.convertors.txClient.TerminologyClientFactory;
043import org.hl7.fhir.dstu3.formats.JsonParser;
044import org.hl7.fhir.dstu3.formats.XmlParser;
045import org.hl7.fhir.dstu3.model.Resource;
046import org.hl7.fhir.exceptions.FHIRException;
047import org.hl7.fhir.r5.context.IContextResourceLoader;
048import org.hl7.fhir.r5.context.SimpleWorkerContext.PackageResourceLoader;
049import org.hl7.fhir.r5.model.Bundle;
050import org.hl7.fhir.r5.model.Bundle.BundleEntryComponent;
051import org.hl7.fhir.r5.model.Bundle.BundleType;
052import org.hl7.fhir.r5.model.CanonicalResource;
053import org.hl7.fhir.r5.model.CodeSystem;
054import org.hl7.fhir.r5.model.StructureDefinition;
055import org.hl7.fhir.r5.model.StructureDefinition.StructureDefinitionKind;
056import org.hl7.fhir.r5.terminologies.client.TerminologyClientManager.ITerminologyClientFactory;
057
058public class R3ToR5Loader extends BaseLoaderR5 implements IContextResourceLoader {
059
060  private final BaseAdvisor_30_50 advisor = new BaseAdvisor_30_50();
061
062  public R3ToR5Loader(Set<String> types, ILoaderKnowledgeProviderR5 lkp) {
063    super(types, lkp);
064  }
065
066  @Override
067  public Bundle loadBundle(InputStream stream, boolean isJson) throws FHIRException, IOException {
068    Resource r3 = null;
069    if (isJson)
070      r3 = new JsonParser().parse(stream);
071    else
072      r3 = new XmlParser().parse(stream);
073    org.hl7.fhir.r5.model.Resource r5 = VersionConvertorFactory_30_50.convertResource(r3, advisor);
074
075    Bundle b;
076    if (r5 instanceof Bundle)
077      b = (Bundle) r5;
078    else {
079      b = new Bundle();
080      b.setId(UUID.randomUUID().toString().toLowerCase());
081      b.setType(BundleType.COLLECTION);
082      b.addEntry().setResource(r5).setFullUrl(r5 instanceof CanonicalResource ? ((CanonicalResource) r5).getUrl() : null);
083    }
084    for (CodeSystem cs : advisor.getCslist()) {
085      BundleEntryComponent be = b.addEntry();
086      be.setFullUrl(cs.getUrl());
087      be.setResource(cs);
088    }
089    if (killPrimitives) {
090      List<BundleEntryComponent> remove = new ArrayList<BundleEntryComponent>();
091      for (BundleEntryComponent be : b.getEntry()) {
092        if (be.hasResource() && be.getResource() instanceof StructureDefinition) {
093          StructureDefinition sd = (StructureDefinition) be.getResource();
094          if (sd.getKind() == StructureDefinitionKind.PRIMITIVETYPE)
095            remove.add(be);
096        }
097      }
098      b.getEntry().removeAll(remove);
099    }
100    if (patchUrls) {
101      for (BundleEntryComponent be : b.getEntry()) {
102        if (be.hasResource()) {
103          doPatchUrls(be.getResource());
104        }          
105      }
106    }
107    return b;
108  }
109
110  @Override
111  public org.hl7.fhir.r5.model.Resource loadResource(InputStream stream, boolean isJson) throws FHIRException, IOException {
112    Resource r3 = null;
113    if (isJson)
114      r3 = new JsonParser().parse(stream);
115    else
116      r3 = new XmlParser().parse(stream);
117    org.hl7.fhir.r5.model.Resource r5 = VersionConvertorFactory_30_50.convertResource(r3);
118    setPath(r5);
119
120    if (!advisor.getCslist().isEmpty()) {
121      throw new FHIRException("Error: Cannot have included code systems");
122    }
123    if (killPrimitives) {
124      throw new FHIRException("Cannot kill primitives when using deferred loading");
125    }
126    if (patchUrls) {
127      doPatchUrls(r5);
128    }
129    return r5;
130  }
131
132  @Override
133  public List<CodeSystem> getCodeSystems() {
134    return new ArrayList<>();
135  }
136
137  @Override
138  protected String versionString() {
139    return "3.0";
140  }
141
142  @Override
143  public ITerminologyClientFactory txFactory() {
144    return new TerminologyClientFactory(versionString());
145  }
146
147  @Override
148  public Set<String> reviewActualTypes(Set<String> types) {
149    // this isn't correct, but we don't care anymore for R3 IGs
150    return types;
151  }
152  
153  @Override
154  public PackageResourceLoader editInfo(PackageResourceLoader pri) {
155    return pri;
156  }
157}