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, NDJSON; 
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        case NDJSON:
073          return "ndjson";
074      }
075      return null;
076    }
077
078    public static FhirFormat getFhirFormat(String code) {
079      switch (code) {
080        case "json":
081          return JSON;
082        case "ttl":
083          return TURTLE;
084        case "xml":
085          return XML;
086        case "txt":
087          return TEXT;
088        case "hl7":
089          return VBAR;
090        case "shc":
091          return SHC;
092        case "shl":
093          return SHL;
094        case "fml":
095          return FML;
096        case "ndjson":
097          return NDJSON;
098      }
099      return null;
100    }
101    public static FhirFormat readFromMimeType(String mt) {
102      if (mt == null) {
103        return null;
104      }
105      if (mt.contains("/xml") || mt.contains("+xml")) {
106        return FhirFormat.XML;
107      }
108      if (mt.contains("/json") || mt.contains("+json")) {
109        return FhirFormat.JSON;
110      }
111      return null;
112    }
113  }
114  
115  public static List<ValidatedFragment> parse(IWorkerContext context, InputStream source, FhirFormat inputFormat) throws FHIRFormatError, DefinitionException, IOException, FHIRException {
116    return makeParser(context, inputFormat).parse(source);
117  }
118
119  public static Element parseSingle(IWorkerContext context, InputStream source, FhirFormat inputFormat) throws FHIRFormatError, DefinitionException, IOException, FHIRException {
120    return makeParser(context, inputFormat).parseSingle(source, null);
121  }
122  
123
124  public static void compose(IWorkerContext context, Element e, OutputStream destination, FhirFormat outputFormat, OutputStyle style, String base) throws FHIRException, IOException {
125    makeParser(context, outputFormat).compose(e, destination, style, base);
126  }
127
128  public static ParserBase makeParser(IWorkerContext context, FhirFormat format) {
129    if (format == null) {
130      throw new Error("Programming logic error: no format known");
131    }
132    switch (format) {
133    case JSON : return new JsonParser(context);
134    case NDJSON : return new NDJsonParser(context);
135    case XML : return new XmlParser(context);
136    case TURTLE : return new TurtleParser(context);
137    case VBAR : return new VerticalBarParser(context);
138    case SHC : return new SHCParser(context);
139    case SHL : return new SHLParser(context);
140    case FML : return new FmlParser(context);
141    case TEXT : throw new Error("Programming logic error: do not call makeParser for a text resource");
142    }
143    return null;
144  }
145  
146  public static Element build(IWorkerContext context, StructureDefinition sd) {
147    Property p = new Property(context, sd.getSnapshot().getElementFirstRep(), sd);
148    Element e = new Element(p.getName(), p);
149    e.setPath(sd.getType());
150    return e;
151  }
152
153}