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.formats.IParser.OutputStyle;
045import org.hl7.fhir.r5.model.StructureDefinition;
046
047public class Manager {
048
049  //TODO use EnumMap
050  public enum FhirFormat { XML, JSON, TURTLE, TEXT, VBAR, SHC, SHL, FML; 
051    // SHC = smart health cards, including as text versions of QR codes
052    // SHL = smart health links, also a text version of the QR code
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 SHL:
069          return "shl";
070        case FML:
071          return "fml";
072      }
073      return null;
074    }
075
076    public static FhirFormat getFhirFormat(String code) {
077      switch (code) {
078        case "json":
079          return JSON;
080        case "ttl":
081          return TURTLE;
082        case "xml":
083          return XML;
084        case "txt":
085          return TEXT;
086        case "hl7":
087          return VBAR;
088        case "shc":
089          return SHC;
090        case "shl":
091          return SHL;
092        case "fml":
093          return FML;
094      }
095      return null;
096    }
097    public static FhirFormat readFromMimeType(String mt) {
098      if (mt == null) {
099        return null;
100      }
101      if (mt.contains("/xml") || mt.contains("+xml")) {
102        return FhirFormat.XML;
103      }
104      if (mt.contains("/json") || mt.contains("+json")) {
105        return FhirFormat.JSON;
106      }
107      return null;
108    }
109  }
110  
111  public static List<ValidatedFragment> parse(IWorkerContext context, InputStream source, FhirFormat inputFormat) throws FHIRFormatError, DefinitionException, IOException, FHIRException {
112    return makeParser(context, inputFormat).parse(source);
113  }
114
115  public static Element parseSingle(IWorkerContext context, InputStream source, FhirFormat inputFormat) throws FHIRFormatError, DefinitionException, IOException, FHIRException {
116    return makeParser(context, inputFormat).parseSingle(source, null);
117  }
118  
119
120  public static void compose(IWorkerContext context, Element e, OutputStream destination, FhirFormat outputFormat, OutputStyle style, String base) throws FHIRException, IOException {
121    makeParser(context, outputFormat).compose(e, destination, style, base);
122  }
123
124  public static ParserBase makeParser(IWorkerContext context, FhirFormat format) {
125    if (format == null) {
126      throw new Error("Programming logic error: no format known");
127    }
128    switch (format) {
129    case JSON : return new JsonParser(context);
130    case XML : return new XmlParser(context);
131    case TURTLE : return new TurtleParser(context);
132    case VBAR : return new VerticalBarParser(context);
133    case SHC : return new SHCParser(context);
134    case SHL : return new SHLParser(context);
135    case FML : return new FmlParser(context);
136    case TEXT : throw new Error("Programming logic error: do not call makeParser for a text resource");
137    }
138    return null;
139  }
140  
141  public static Element build(IWorkerContext context, StructureDefinition sd) {
142    Property p = new Property(context, sd.getSnapshot().getElementFirstRep(), sd);
143    Element e = new Element(p.getName(), p);
144    e.setPath(sd.getType());
145    return e;
146  }
147
148}