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, FML; 
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        case FML:
069          return "fml";
070      }
071      return null;
072    }
073
074    public static FhirFormat getFhirFormat(String code) {
075      switch (code) {
076        case "json":
077          return JSON;
078        case "ttl":
079          return TURTLE;
080        case "xml":
081          return XML;
082        case "txt":
083          return TEXT;
084        case "hl7":
085          return VBAR;
086        case "shc":
087          return SHC;
088        case "fml":
089          return FML;
090      }
091      return null;
092    }
093    public static FhirFormat readFromMimeType(String mt) {
094      if (mt.contains("/xml") || mt.contains("+xml")) {
095        return FhirFormat.XML;
096      }
097      if (mt.contains("/json") || mt.contains("+json")) {
098        return FhirFormat.JSON;
099      }
100      return null;
101    }
102  }
103  
104  public static List<NamedElement> parse(IWorkerContext context, InputStream source, FhirFormat inputFormat) throws FHIRFormatError, DefinitionException, IOException, FHIRException {
105    return makeParser(context, inputFormat).parse(source);
106  }
107
108  public static Element parseSingle(IWorkerContext context, InputStream source, FhirFormat inputFormat) throws FHIRFormatError, DefinitionException, IOException, FHIRException {
109    return makeParser(context, inputFormat).parseSingle(source);
110  }
111  
112
113  public static void compose(IWorkerContext context, Element e, OutputStream destination, FhirFormat outputFormat, OutputStyle style, String base) throws FHIRException, IOException {
114    makeParser(context, outputFormat).compose(e, destination, style, base);
115  }
116
117  public static ParserBase makeParser(IWorkerContext context, FhirFormat format) {
118    if (format == null) {
119      throw new Error("Programming logic error: no format known");
120    }
121    switch (format) {
122    case JSON : return new JsonParser(context);
123    case XML : return new XmlParser(context);
124    case TURTLE : return new TurtleParser(context);
125    case VBAR : return new VerticalBarParser(context);
126    case SHC : return new SHCParser(context);
127    case FML : return new FmlParser(context);
128    case TEXT : throw new Error("Programming logic error: do not call makeParser for a text resource");
129    }
130    return null;
131  }
132  
133  public static Element build(IWorkerContext context, StructureDefinition sd) {
134    Property p = new Property(context, sd.getSnapshot().getElementFirstRep(), sd);
135    Element e = new Element(p.getName(), p);
136    e.setPath(sd.getType());
137    return e;
138  }
139
140}