001package org.hl7.fhir.dstu3.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.dstu3.context.IWorkerContext;
040import org.hl7.fhir.dstu3.formats.FormatUtilities;
041import org.hl7.fhir.dstu3.formats.IParser.OutputStyle;
042import org.hl7.fhir.dstu3.model.StructureDefinition;
043import org.hl7.fhir.dstu3.utils.ToolingExtensions;
044import org.hl7.fhir.exceptions.DefinitionException;
045import org.hl7.fhir.exceptions.FHIRException;
046import org.hl7.fhir.exceptions.FHIRFormatError;
047import org.hl7.fhir.utilities.Utilities;
048import org.hl7.fhir.utilities.validation.ValidationMessage;
049import org.hl7.fhir.utilities.validation.ValidationMessage.IssueSeverity;
050import org.hl7.fhir.utilities.validation.ValidationMessage.IssueType;
051import org.hl7.fhir.utilities.validation.ValidationMessage.Source;
052
053@Deprecated
054public abstract class ParserBase {
055
056  public interface ILinkResolver {
057    String resolveType(String type);
058    String resolveProperty(Property property);
059    String resolvePage(String string);
060  }
061  
062  public enum ValidationPolicy { NONE, QUICK, EVERYTHING }
063
064  public boolean isPrimitive(String code) {
065    return Utilities.existsInList(code, "boolean", "integer", "string", "decimal", "uri", "base64Binary", "instant", "date", "dateTime", "time", "code", "oid", "id", "markdown", "unsignedInt", "positiveInt", "xhtml");
066    
067//    StructureDefinition sd = context.fetchTypeDefinition(code);
068//    return sd != null && sd.getKind() == StructureDefinitionKind.PRIMITIVETYPE;
069        }
070
071        protected IWorkerContext context;
072        protected ValidationPolicy policy;
073  protected List<ValidationMessage> errors;
074  protected ILinkResolver linkResolver;
075
076        public ParserBase(IWorkerContext context) {
077                super();
078                this.context = context;
079                policy = ValidationPolicy.NONE;
080        }
081
082        public void setupValidation(ValidationPolicy policy, List<ValidationMessage> errors) {
083          this.policy = policy;
084          this.errors = errors;
085        }
086
087  public abstract Element parse(InputStream stream) throws IOException, FHIRFormatError, DefinitionException, FHIRException;
088
089        public abstract void compose(Element e, OutputStream destination, OutputStyle style, String base)  throws FHIRException, IOException;
090
091        
092        public void logError(int line, int col, String path, IssueType type, String message, IssueSeverity level) throws FHIRFormatError {
093          if (policy == ValidationPolicy.EVERYTHING) {
094            ValidationMessage msg = new ValidationMessage(Source.InstanceValidator, type, line, col, path, message, level);
095            errors.add(msg);
096          } else if (level == IssueSeverity.FATAL || (level == IssueSeverity.ERROR && policy == ValidationPolicy.QUICK))
097            throw new FHIRFormatError(message+String.format(" at line %d col %d", line, col));
098        }
099        
100        
101        protected StructureDefinition getDefinition(int line, int col, String ns, String name) throws FHIRFormatError {
102    if (ns == null) {
103      logError(line, col, name, IssueType.STRUCTURE, "This cannot be parsed as a FHIR object (no namespace)", IssueSeverity.FATAL);
104      return null;
105    }
106    if (name == null) {
107      logError(line, col, name, IssueType.STRUCTURE, "This cannot be parsed as a FHIR object (no name)", IssueSeverity.FATAL);
108      return null;
109        }
110          for (StructureDefinition sd : context.allStructures()) {
111            if (name.equals(sd.getIdElement().getIdPart())) {
112              if((ns == null || ns.equals(FormatUtilities.FHIR_NS)) && !ToolingExtensions.hasExtension(sd, "http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace"))
113                return sd;
114              String sns = ToolingExtensions.readStringExtension(sd, "http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace");
115              if (ns != null && ns.equals(sns))
116                return sd;
117            }
118          }
119          logError(line, col, name, IssueType.STRUCTURE, "This does not appear to be a FHIR resource (unknown namespace/name '"+ns+"::"+name+"')", IssueSeverity.FATAL);
120          return null;
121  }
122
123        protected StructureDefinition getDefinition(int line, int col, String name) throws FHIRFormatError {
124    if (name == null) {
125      logError(line, col, name, IssueType.STRUCTURE, "This cannot be parsed as a FHIR object (no name)", IssueSeverity.FATAL);
126      return null;
127        }
128    // first pass: only look at base definitions
129          for (StructureDefinition sd : context.allStructures()) {
130            if (sd.getUrl().equals("http://hl7.org/fhir/StructureDefinition/"+name)) {
131              return sd;
132            }
133          }
134    for (StructureDefinition sd : context.allStructures()) {
135      if (name.equals(sd.getIdElement().getIdPart())) {
136        return sd;
137      }
138    }
139          logError(line, col, name, IssueType.STRUCTURE, "This does not appear to be a FHIR resource (unknown name '"+name+"')", IssueSeverity.FATAL);
140          return null;
141  }
142
143  public ILinkResolver getLinkResolver() {
144    return linkResolver;
145  }
146
147  public ParserBase setLinkResolver(ILinkResolver linkResolver) {
148    this.linkResolver = linkResolver;
149    return this;
150  }
151
152
153
154  
155}