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.convertors.txClient.TerminologyClientFactory;
042import org.hl7.fhir.dstu2.formats.JsonParser;
043import org.hl7.fhir.dstu2.formats.XmlParser;
044import org.hl7.fhir.dstu2.model.Resource;
045import org.hl7.fhir.exceptions.FHIRException;
046import org.hl7.fhir.r5.context.IContextResourceLoader;
047import org.hl7.fhir.r5.model.Bundle;
048import org.hl7.fhir.r5.model.Bundle.BundleEntryComponent;
049import org.hl7.fhir.r5.model.Bundle.BundleType;
050import org.hl7.fhir.r5.model.CanonicalResource;
051import org.hl7.fhir.r5.model.CodeSystem;
052import org.hl7.fhir.r5.model.StructureDefinition;
053import org.hl7.fhir.r5.model.StructureDefinition.StructureDefinitionKind;
054import org.hl7.fhir.r5.terminologies.client.TerminologyClientManager.ITerminologyClientFactory;
055
056public class R2ToR5Loader extends BaseLoaderR5 implements IContextResourceLoader {
057
058  private final BaseAdvisor_10_50 advisor = new BaseAdvisor_10_50();
059
060  public R2ToR5Loader(List<String> types, ILoaderKnowledgeProviderR5 lkp) {
061    super(types, lkp);
062  }
063
064  @Override
065  public Bundle loadBundle(InputStream stream, boolean isJson) throws FHIRException, IOException {
066    Resource r2 = null;
067    if (isJson)
068      r2 = new JsonParser().parse(stream);
069    else
070      r2 = new XmlParser().parse(stream);
071    org.hl7.fhir.r5.model.Resource r5 = VersionConvertorFactory_10_50.convertResource(r2, advisor);
072    Bundle b;
073    if (r5 instanceof Bundle) {
074      b = (Bundle) r5;
075    } else {
076      b = new Bundle();
077      b.setId(UUID.randomUUID().toString().toLowerCase());
078      b.setType(BundleType.COLLECTION);
079      b.addEntry().setResource(r5).setFullUrl(r5 instanceof CanonicalResource ? ((CanonicalResource) r5).getUrl() : null);
080    }
081    // Add any code systems defined as part of processing value sets to the end of the converted Bundle
082    for (CodeSystem cs : advisor.getCslist()) {
083      BundleEntryComponent be = b.addEntry();
084      be.setFullUrl(cs.getUrl());
085      be.setResource(cs);
086    }
087
088    advisor.getCslist().clear();
089
090    if (killPrimitives) {
091      List<BundleEntryComponent> remove = new ArrayList<BundleEntryComponent>();
092      for (BundleEntryComponent be : b.getEntry()) {
093        if (be.hasResource() && be.getResource() instanceof StructureDefinition) {
094          StructureDefinition sd = (StructureDefinition) be.getResource();
095          if (sd.getKind() == StructureDefinitionKind.PRIMITIVETYPE)
096            remove.add(be);
097        }
098      }
099      b.getEntry().removeAll(remove);
100    }
101    if (patchUrls) {
102      for (BundleEntryComponent be : b.getEntry()) {
103        if (be.hasResource()) {
104          doPatchUrls(be.getResource());
105        }
106      }
107    }
108    return b;
109  }
110
111
112  @Override
113  public org.hl7.fhir.r5.model.Resource loadResource(InputStream stream, boolean isJson) throws FHIRException, IOException {
114    Resource r2 = null;
115    if (isJson)
116      r2 = new JsonParser().parse(stream);
117    else
118      r2 = new XmlParser().parse(stream);
119    org.hl7.fhir.r5.model.Resource r5 = VersionConvertorFactory_10_50.convertResource(r2, advisor);
120    setPath(r5);
121    if (killPrimitives) {
122      throw new FHIRException("Cannot kill primitives when using deferred loading");
123    }
124    if (patchUrls) {
125      doPatchUrls(r5);
126    }
127    return r5;
128  }
129
130  @Override
131  public List<CodeSystem> getCodeSystems() {
132    List<CodeSystem> list = new ArrayList<>();
133    if (!advisor.getCslist().isEmpty()) {
134      list.addAll(advisor.getCslist());
135      advisor.getCslist().clear();
136    }
137    return list;
138  }
139
140  @Override
141  protected String versionString() {
142    return "1.0";
143  }
144
145  @Override
146  public ITerminologyClientFactory txFactory() {
147    return new TerminologyClientFactory(versionString());
148  }
149
150}