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
009import org.hl7.fhir.convertors.txClient.TerminologyClientFactory;
010
011/*
012  Copyright (c) 2011+, HL7, Inc.
013  All rights reserved.
014  
015  Redistribution and use in source and binary forms, with or without modification, 
016  are permitted provided that the following conditions are met:
017    
018   * Redistributions of source code must retain the above copyright notice, this 
019     list of conditions and the following disclaimer.
020   * Redistributions in binary form must reproduce the above copyright notice, 
021     this list of conditions and the following disclaimer in the documentation 
022     and/or other materials provided with the distribution.
023   * Neither the name of HL7 nor the names of its contributors may be used to 
024     endorse or promote products derived from this software without specific 
025     prior written permission.
026  
027  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
028  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
029  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
030  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
031  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
032  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
033  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
034  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
035  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
036  POSSIBILITY OF SUCH DAMAGE.
037  
038 */
039
040
041import org.hl7.fhir.exceptions.FHIRException;
042import org.hl7.fhir.r5.formats.JsonParser;
043import org.hl7.fhir.r5.formats.XmlParser;
044import org.hl7.fhir.r5.model.Bundle;
045import org.hl7.fhir.r5.model.Bundle.BundleEntryComponent;
046import org.hl7.fhir.r5.model.Bundle.BundleType;
047import org.hl7.fhir.r5.model.CanonicalResource;
048import org.hl7.fhir.r5.model.CodeSystem;
049import org.hl7.fhir.r5.model.Resource;
050import org.hl7.fhir.r5.model.StructureDefinition;
051import org.hl7.fhir.r5.model.StructureDefinition.StructureDefinitionKind;
052import org.hl7.fhir.r5.terminologies.client.TerminologyClientManager.ITerminologyClientFactory;
053
054public class R5ToR5Loader extends BaseLoaderR5 {
055
056  public R5ToR5Loader(List<String> types, ILoaderKnowledgeProviderR5 lkp) {
057    super(types, lkp);
058  }
059
060  @Override
061  public Bundle loadBundle(InputStream stream, boolean isJson) throws FHIRException, IOException {
062    Resource r5 = null;
063    if (isJson)
064      r5 = new JsonParser().parse(stream);
065    else
066      r5 = new XmlParser().parse(stream);
067
068    Bundle b;
069    if (r5 instanceof Bundle)
070      b = (Bundle) r5;
071    else {
072      b = new Bundle();
073      b.setId(UUID.randomUUID().toString().toLowerCase());
074      b.setType(BundleType.COLLECTION);
075      b.addEntry().setResource(r5).setFullUrl(r5 instanceof CanonicalResource ? ((CanonicalResource) r5).getUrl() : null);
076    }
077    if (killPrimitives) {
078      List<BundleEntryComponent> remove = new ArrayList<BundleEntryComponent>();
079      for (BundleEntryComponent be : b.getEntry()) {
080        if (be.hasResource() && be.getResource() instanceof StructureDefinition) {
081          StructureDefinition sd = (StructureDefinition) be.getResource();
082          if (sd.getKind() == StructureDefinitionKind.PRIMITIVETYPE)
083            remove.add(be);
084        }
085      }
086      b.getEntry().removeAll(remove);
087    }
088    if (patchUrls) {
089      for (BundleEntryComponent be : b.getEntry()) {
090        if (be.hasResource()) {
091          doPatchUrls(be.getResource());
092        }
093      }
094    }
095    return b;
096  }
097
098  @Override
099  public Resource loadResource(InputStream stream, boolean isJson) throws FHIRException, IOException {
100    Resource r5 = null;
101    if (isJson)
102      r5 = new JsonParser().parse(stream);
103    else
104      r5 = new XmlParser().parse(stream);
105    setPath(r5);
106
107    if (killPrimitives) {
108      throw new FHIRException("Cannot kill primitives when using deferred loading");
109    }
110    if (patchUrls) {
111      doPatchUrls(r5);
112    }
113    if (r5 instanceof StructureDefinition) {
114      StructureDefinition sd = (StructureDefinition) r5;
115      if ("http://hl7.org/fhir/StructureDefinition/Base".equals(sd.getUrl())) {
116        sd.getSnapshot().getElementFirstRep().getConstraint().clear();
117        
118      }
119    }
120    return r5;
121  }
122  
123  @Override
124  public List<CodeSystem> getCodeSystems() {
125    return new ArrayList<>();
126  }
127
128  @Override
129  protected String versionString() {
130    return "5.0";
131  }
132
133
134  @Override
135  public ITerminologyClientFactory txFactory() {
136    return new TerminologyClientFactory(versionString());
137  }
138
139}