001package org.hl7.fhir.dstu3.terminologies;
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.util.List;
035
036import org.hl7.fhir.dstu3.model.BooleanType;
037import org.hl7.fhir.dstu3.model.CodeSystem;
038import org.hl7.fhir.dstu3.model.CodeSystem.ConceptDefinitionComponent;
039import org.hl7.fhir.dstu3.model.CodeSystem.ConceptPropertyComponent;
040import org.hl7.fhir.dstu3.model.CodeSystem.PropertyComponent;
041import org.hl7.fhir.dstu3.model.CodeSystem.PropertyType;
042import org.hl7.fhir.dstu3.model.DateTimeType;
043import org.hl7.fhir.dstu3.model.Identifier;
044import org.hl7.fhir.dstu3.model.Meta;
045import org.hl7.fhir.dstu3.model.UriType;
046import org.hl7.fhir.dstu3.utils.ToolingExtensions;
047import org.hl7.fhir.exceptions.FHIRException;
048import org.hl7.fhir.exceptions.FHIRFormatError;
049import org.hl7.fhir.utilities.Utilities;
050
051public class CodeSystemUtilities {
052
053  public static boolean isDeprecated(CodeSystem cs, ConceptDefinitionComponent def) {
054    for (ConceptPropertyComponent p : def.getProperty()) {
055      if (p.getCode().equals("deprecated") && p.hasValue() && p.getValue() instanceof BooleanType) 
056        return ((BooleanType) p.getValue()).getValue();
057      if (p.getCode().equals("deprecationDate") && p.hasValue() && p.getValue() instanceof DateTimeType) 
058        return ((DateTimeType) p.getValue()).before(new DateTimeType());
059    }
060    return false;
061  }
062
063  public static boolean isNotSelectable(CodeSystem cs, ConceptDefinitionComponent def) {
064    for (ConceptPropertyComponent p : def.getProperty()) {
065      if (p.getCode().equals("notSelectable") && p.hasValue() && p.getValue() instanceof BooleanType) 
066        return ((BooleanType) p.getValue()).getValue();
067    }
068    return false;
069  }
070
071  public static void setNotSelectable(CodeSystem cs, ConceptDefinitionComponent concept) throws FHIRFormatError {
072    defineNotSelectableProperty(cs);
073    concept.addProperty().setCode("notSelectable").setValue(new BooleanType(true));    
074  }
075
076  public static void setInactive(CodeSystem cs, ConceptDefinitionComponent concept) throws FHIRFormatError {
077    defineInactiveProperty(cs);
078    concept.addProperty().setCode("inactive").setValue(new BooleanType(true));    
079  }
080
081  public static void setDeprecated(CodeSystem cs, ConceptDefinitionComponent concept, DateTimeType date) throws FHIRFormatError {
082    defineDeprecatedProperty(cs);
083    concept.addProperty().setCode("deprecationDate").setValue(date);    
084  }
085
086  public static void defineNotSelectableProperty(CodeSystem cs) {
087    defineCodeSystemProperty(cs, "notSelectable", "Indicates that the code is abstract - only intended to be used as a selector for other concepts", PropertyType.BOOLEAN);
088  }
089
090  public static void defineInactiveProperty(CodeSystem cs) {
091    defineCodeSystemProperty(cs, "inactive", "True if the concept is not considered active - e.g. not a valid concept any more", PropertyType.BOOLEAN);
092  }
093
094  public static void defineDeprecatedProperty(CodeSystem cs) {
095    defineCodeSystemProperty(cs, "deprecationDate", "The date at which a concept was deprecated. Concepts that are deprecated but not inactive can still be used, but their use is discouraged", PropertyType.DATETIME);
096  }
097
098  public static void defineCodeSystemProperty(CodeSystem cs, String code, String description, PropertyType type) {
099    for (PropertyComponent p : cs.getProperty()) {
100      if (p.getCode().equals(code))
101        return;
102    }
103    cs.addProperty().setCode(code).setDescription(description).setType(type).setUri("http://hl7.org/fhir/concept-properties#"+code);
104  }
105
106  public static String getCodeDefinition(CodeSystem cs, String code) {
107    return getCodeDefinition(cs.getConcept(), code);
108  }
109
110  private static String getCodeDefinition(List<ConceptDefinitionComponent> list, String code) {
111    for (ConceptDefinitionComponent c : list) {
112      if (c.getCode().equals(code))
113        return c.getDefinition();
114      String s = getCodeDefinition(c.getConcept(), code);
115      if (s != null)
116        return s;
117    }
118    return null;
119  }
120
121  public static CodeSystem makeShareable(CodeSystem cs) {
122    if (!cs.hasMeta())
123      cs.setMeta(new Meta());
124    for (UriType t : cs.getMeta().getProfile()) 
125      if (t.getValue().equals("http://hl7.org/fhir/StructureDefinition/shareablecodesystem"))
126        return cs;
127    cs.getMeta().getProfile().add(new UriType("http://hl7.org/fhir/StructureDefinition/shareablecodesystem"));
128    return cs;
129  }
130
131  public static void setOID(CodeSystem cs, String oid) {
132    if (!oid.startsWith("urn:oid:"))
133       oid = "urn:oid:" + oid;
134    if (!cs.hasIdentifier())
135      cs.setIdentifier(new Identifier().setSystem("urn:ietf:rfc:3986").setValue(oid));
136    else if ("urn:ietf:rfc:3986".equals(cs.getIdentifier().getSystem()) && cs.getIdentifier().hasValue() && cs.getIdentifier().getValue().startsWith("urn:oid:"))
137      cs.getIdentifier().setValue(oid);
138    else
139      throw new Error("unable to set OID on code system");
140    
141  }
142
143  public static boolean hasOID(CodeSystem cs) {
144    return getOID(cs) != null;
145  }
146
147  public static String getOID(CodeSystem cs) {
148    if (cs.hasIdentifier() && "urn:ietf:rfc:3986".equals(cs.getIdentifier().getSystem()) && cs.getIdentifier().hasValue() && cs.getIdentifier().getValue().startsWith("urn:oid:"))
149        return cs.getIdentifier().getValue().substring(8);
150    return null;
151  }
152
153  public static boolean isInactive(CodeSystem cs, ConceptDefinitionComponent def) throws FHIRException {
154    for (ConceptPropertyComponent p : def.getProperty()) {
155      if (p.getCode().equals("status") && p.hasValueStringType()) 
156        return "inactive".equals(p.getValueStringType());
157    }
158    return false;
159  }
160  
161  public static boolean isInactive(CodeSystem cs, String code) throws FHIRException {
162    ConceptDefinitionComponent def = findCode(cs.getConcept(), code);
163    if (def == null)
164      return true;
165    return isInactive(cs, def);
166  }
167
168  private static ConceptDefinitionComponent findCode(List<ConceptDefinitionComponent> list, String code) {
169    for (ConceptDefinitionComponent c : list) {
170      if (c.getCode().equals(code))
171        return c;
172      ConceptDefinitionComponent s = findCode(c.getConcept(), code);
173      if (s != null)
174        return s;
175    }
176    return null;
177  }
178
179  public static void markStatus(CodeSystem cs, String wg, String status, String fmm) {
180    if (wg != null) {
181      if (!ToolingExtensions.hasExtension(cs, ToolingExtensions.EXT_WORKGROUP) || 
182          (Utilities.existsInList(ToolingExtensions.readStringExtension(cs, ToolingExtensions.EXT_WORKGROUP), "fhir", "vocab") && !Utilities.existsInList(wg, "fhir", "vocab"))) {
183        ToolingExtensions.setCodeExtension(cs, ToolingExtensions.EXT_WORKGROUP, wg);
184      }
185    }
186    if (status != null) {
187      String ss = ToolingExtensions.readStringExtension(cs, ToolingExtensions.EXT_BALLOT_STATUS);
188      if (Utilities.noString(ss) || ssval(ss) < ssval(status)) 
189        ToolingExtensions.setStringExtension(cs, ToolingExtensions.EXT_BALLOT_STATUS, status);
190    }
191    if (fmm != null) {
192      String sfmm = ToolingExtensions.readStringExtension(cs, ToolingExtensions.EXT_FMM_LEVEL);
193      if (Utilities.noString(sfmm) || Integer.parseInt(sfmm) < Integer.parseInt(fmm)) 
194        ToolingExtensions.setIntegerExtension(cs, ToolingExtensions.EXT_FMM_LEVEL, Integer.parseInt(fmm));
195    }
196  }
197
198  private static int ssval(String status) {
199    if ("Draft".equals("status")) 
200      return 1;
201    if ("Informative".equals("status")) 
202      return 2;
203    if ("External".equals("status")) 
204      return 3;
205    if ("Trial Use".equals("status")) 
206      return 3;
207    if ("Normative".equals("status")) 
208      return 4;
209    return -1;
210  }
211
212}