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.convertors.txClient.TerminologyClientFactory;
042import org.hl7.fhir.dstu3.formats.JsonParser;
043import org.hl7.fhir.dstu3.formats.XmlParser;
044import org.hl7.fhir.dstu3.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 R3ToR5Loader extends BaseLoaderR5 implements IContextResourceLoader {
057
058  private final BaseAdvisor_30_50 advisor = new BaseAdvisor_30_50();
059
060  public R3ToR5Loader(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 r3 = null;
067    if (isJson)
068      r3 = new JsonParser().parse(stream);
069    else
070      r3 = new XmlParser().parse(stream);
071    org.hl7.fhir.r5.model.Resource r5 = VersionConvertorFactory_30_50.convertResource(r3, advisor);
072
073    Bundle b;
074    if (r5 instanceof Bundle)
075      b = (Bundle) r5;
076    else {
077      b = new Bundle();
078      b.setId(UUID.randomUUID().toString().toLowerCase());
079      b.setType(BundleType.COLLECTION);
080      b.addEntry().setResource(r5).setFullUrl(r5 instanceof CanonicalResource ? ((CanonicalResource) r5).getUrl() : null);
081    }
082    for (CodeSystem cs : advisor.getCslist()) {
083      BundleEntryComponent be = b.addEntry();
084      be.setFullUrl(cs.getUrl());
085      be.setResource(cs);
086    }
087    if (killPrimitives) {
088      List<BundleEntryComponent> remove = new ArrayList<BundleEntryComponent>();
089      for (BundleEntryComponent be : b.getEntry()) {
090        if (be.hasResource() && be.getResource() instanceof StructureDefinition) {
091          StructureDefinition sd = (StructureDefinition) be.getResource();
092          if (sd.getKind() == StructureDefinitionKind.PRIMITIVETYPE)
093            remove.add(be);
094        }
095      }
096      b.getEntry().removeAll(remove);
097    }
098    if (patchUrls) {
099      for (BundleEntryComponent be : b.getEntry()) {
100        if (be.hasResource()) {
101          doPatchUrls(be.getResource());
102        }          
103      }
104    }
105    return b;
106  }
107
108  @Override
109  public org.hl7.fhir.r5.model.Resource loadResource(InputStream stream, boolean isJson) throws FHIRException, IOException {
110    Resource r3 = null;
111    if (isJson)
112      r3 = new JsonParser().parse(stream);
113    else
114      r3 = new XmlParser().parse(stream);
115    org.hl7.fhir.r5.model.Resource r5 = VersionConvertorFactory_30_50.convertResource(r3);
116    setPath(r5);
117
118    if (!advisor.getCslist().isEmpty()) {
119      throw new FHIRException("Error: Cannot have included code systems");
120    }
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    return new ArrayList<>();
133  }
134
135  @Override
136  protected String versionString() {
137    return "3.0";
138  }
139
140  @Override
141  public ITerminologyClientFactory txFactory() {
142    return new TerminologyClientFactory(versionString());
143  }
144
145}