001package org.hl7.fhir.r5.elementmodel;
002
003/*
004  Copyright (c) 2011+, HL7, Inc.
005  All rights reserved.
006  
007  Redistribution and use in source and binary forms, with or without modification, 
008  are permitted provided that the following conditions are met:
009    
010   * Redistributions of source code must retain the above copyright notice, this 
011     list of conditions and the following disclaimer.
012   * Redistributions in binary form must reproduce the above copyright notice, 
013     this list of conditions and the following disclaimer in the documentation 
014     and/or other materials provided with the distribution.
015   * Neither the name of HL7 nor the names of its contributors may be used to 
016     endorse or promote products derived from this software without specific 
017     prior written permission.
018  
019  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
020  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
021  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
022  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
023  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
024  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
025  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
026  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
027  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
028  POSSIBILITY OF SUCH DAMAGE.
029  
030 */
031
032
033
034import java.io.IOException;
035import java.io.InputStream;
036import java.io.OutputStream;
037import java.util.List;
038
039import org.hl7.fhir.exceptions.DefinitionException;
040import org.hl7.fhir.exceptions.FHIRException;
041import org.hl7.fhir.exceptions.FHIRFormatError;
042import org.hl7.fhir.r5.context.IWorkerContext;
043import org.hl7.fhir.r5.elementmodel.Manager.FhirFormat;
044import org.hl7.fhir.r5.elementmodel.ParserBase.NamedElement;
045import org.hl7.fhir.r5.formats.IParser.OutputStyle;
046import org.hl7.fhir.r5.model.StructureDefinition;
047
048public class Manager {
049
050  //TODO use EnumMap
051  public enum FhirFormat { XML, JSON, TURTLE, TEXT, VBAR, SHC; 
052    // SHC = smart health cards, including as text versions of QR codes
053
054    public String getExtension() {
055      switch (this) {
056        case JSON:
057          return "json";
058        case TURTLE:
059          return "ttl";
060        case XML:
061          return "xml";
062        case TEXT:
063          return "txt";
064        case VBAR:
065          return "hl7";
066        case SHC:
067          return "shc";
068      }
069      return null;
070    }
071
072    public static FhirFormat getFhirFormat(String code) {
073      switch (code) {
074        case "json":
075          return JSON;
076        case "ttl":
077          return TURTLE;
078        case "xml":
079          return XML;
080        case "txt":
081          return TEXT;
082        case "hl7":
083          return VBAR;
084      }
085      return null;
086    }
087    public static FhirFormat readFromMimeType(String mt) {
088      if (mt.contains("/xml") || mt.contains("+xml")) {
089        return FhirFormat.XML;
090      }
091      if (mt.contains("/json") || mt.contains("+json")) {
092        return FhirFormat.JSON;
093      }
094      return null;
095    }
096  }
097  
098  public static List<NamedElement> parse(IWorkerContext context, InputStream source, FhirFormat inputFormat) throws FHIRFormatError, DefinitionException, IOException, FHIRException {
099    return makeParser(context, inputFormat).parse(source);
100  }
101
102  public static Element parseSingle(IWorkerContext context, InputStream source, FhirFormat inputFormat) throws FHIRFormatError, DefinitionException, IOException, FHIRException {
103    return makeParser(context, inputFormat).parseSingle(source);
104  }
105  
106
107  public static void compose(IWorkerContext context, Element e, OutputStream destination, FhirFormat outputFormat, OutputStyle style, String base) throws FHIRException, IOException {
108    makeParser(context, outputFormat).compose(e, destination, style, base);
109  }
110
111  public static ParserBase makeParser(IWorkerContext context, FhirFormat format) {
112    switch (format) {
113    case JSON : return new JsonParser(context);
114    case XML : return new XmlParser(context);
115    case TURTLE : return new TurtleParser(context);
116    case VBAR : return new VerticalBarParser(context);
117    case SHC : return new SHCParser(context);
118    case TEXT : throw new Error("Programming logic error: do not call makeParser for a text resource");
119    }
120    return null;
121  }
122  
123  public static Element build(IWorkerContext context, StructureDefinition sd) {
124    Property p = new Property(context, sd.getSnapshot().getElementFirstRep(), sd);
125    Element e = new Element(p.getName(), p);
126    return e;
127  }
128
129}