001package org.hl7.fhir.r5.formats;
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;
037
038import org.hl7.fhir.exceptions.FHIRFormatError;
039import org.hl7.fhir.r5.model.Base;
040import org.hl7.fhir.r5.model.CodeType;
041import org.hl7.fhir.r5.model.CodeableConcept;
042import org.hl7.fhir.r5.model.Coding;
043import org.hl7.fhir.r5.model.DataType;
044import org.hl7.fhir.r5.model.Enumeration;
045import org.hl7.fhir.r5.model.Resource;
046import org.hl7.fhir.utilities.turtle.Turtle;
047import org.hl7.fhir.utilities.turtle.Turtle.Complex;
048import org.hl7.fhir.utilities.turtle.Turtle.Section;
049import org.hl7.fhir.utilities.turtle.Turtle.Subject;
050import org.hl7.fhir.utilities.xhtml.XhtmlNode;
051
052public abstract class RdfParserBase extends ParserBase implements IParser  {
053
054        protected abstract void composeResource(Complex complex, Resource resource) throws IOException;
055
056        @Override
057        public ParserType getType() {
058                return ParserType.RDF_TURTLE;
059        }
060
061        @Override
062        public Resource parse(InputStream input) throws IOException, FHIRFormatError {
063                throw new Error("Parsing not implemented yet");
064        }
065
066  @Override
067  public DataType parseType(InputStream input, String knownType) throws IOException, FHIRFormatError {
068    throw new Error("Parsing not implemented yet");
069  }
070
071  @Override
072  public DataType parseAnyType(InputStream input, String knownType) throws IOException, FHIRFormatError {
073    throw new Error("Parsing not implemented yet");
074  }
075
076        private String url;
077
078        @Override
079        public void compose(OutputStream stream, Resource resource) throws IOException {
080          Turtle ttl = new Turtle();
081                //      ttl.setFormat(FFormat);
082                ttl.prefix("fhir", "http://hl7.org/fhir/");
083                ttl.prefix("rdfs", "http://www.w3.org/2000/01/rdf-schema#");
084                Section section = ttl.section("resource");
085                Subject subject;
086                if (url != null) 
087                        subject = section.triple("<"+url+">", "a", "fhir:"+resource.getResourceType().toString());
088                else
089                        subject = section.triple("[]", "a", "fhir:"+resource.getResourceType().toString());
090
091                composeResource(subject, resource);
092                try {
093                        ttl.commit(stream, false);
094                } catch (Exception e) {
095                        throw new IOException(e); 
096                }
097        }
098
099  protected void composeBase(Complex t, String parentType, String name, Base element, int index) {
100  }
101
102        @Override
103        public void compose(OutputStream stream, DataType type, String rootName) throws IOException {
104                throw new Error("Not supported in RDF");  
105        }
106
107        protected String ttlLiteral(String value) {
108                return "\"" +Turtle.escape(value, true) + "\"";
109        }
110
111        protected void composeXhtmlNode(Complex t, String string, String string2, XhtmlNode div, int i) {
112        }
113
114        protected void decorateCode(Complex t, Enumeration<? extends Enum> value) {
115        }
116
117        protected void decorateCode(Complex t, CodeType value) {
118        }
119
120        protected void decorateCoding(Complex t, Coding element) {
121                if (!element.hasSystem())
122                        return;
123                if ("http://snomed.info/sct".equals(element.getSystem())) {
124                        t.prefix("sct", "http://snomed.info/sct/");
125                        t.predicate("a", "sct:"+element.getCode(), false);
126                } else if ("http://snomed.info/sct".equals(element.getSystem())) {
127                        t.prefix("loinc", "http://loinc.org/rdf#");
128                        t.predicate("a", "loinc:"+element.getCode(), false);
129                }  
130        }
131
132        protected void decorateCodeableConcept(Complex t, CodeableConcept element) {
133                for (Coding c : element.getCoding())
134                        decorateCoding(t, c);
135        }
136
137
138}