Exemplo n.º 1
0
 @Override
 public String asSparqlTerm(PrefixLogger pl) {
   String lang = (language.equals("none") ? "" : language);
   RDFDatatype dt =
       datatype.length() == 0 ? null : TypeMapper.getInstance().getSafeTypeByName(datatype);
   Node n = NodeFactory.createLiteral(spelling, lang, dt);
   if (datatype.length() > 0) pl.present(datatype);
   String lf = FmtUtils.stringForNode(n, RDFUtils.noPrefixes);
   return lf;
 }
 protected Literal jenaLiteralFromDataPropertyStatement(
     DataPropertyStatement dataPropertyStatement, OntModel ontModel) {
   Literal l = null;
   if ((dataPropertyStatement.getLanguage()) != null
       && (dataPropertyStatement.getLanguage().length() > 0)) {
     l =
         ontModel.createLiteral(
             dataPropertyStatement.getData(), dataPropertyStatement.getLanguage());
   } else if ((dataPropertyStatement.getDatatypeURI() != null)
       && (dataPropertyStatement.getDatatypeURI().length() > 0)) {
     l =
         ontModel.createTypedLiteral(
             dataPropertyStatement.getData(),
             TypeMapper.getInstance().getSafeTypeByName(dataPropertyStatement.getDatatypeURI()));
   } else {
     l = ontModel.createLiteral(dataPropertyStatement.getData());
   }
   return l;
 }
Exemplo n.º 3
0
  /**
   * Convert a Mulgara Value to a Jena graph node.
   *
   * @param obj The Mulgara value to convert.
   * @return A new Jena graph node.
   */
  static Node o2n(org.jrdf.graph.Node obj) {
    if (obj == null) return Node.ANY;

    // testing for org.jrdf.graph.URIReference
    if (obj.isURIReference()) {
      URIReference uRef = (URIReference) obj;
      if (skolemizedBlankNodes) {
        String x = uRef.getURI().toString();
        if (x.startsWith(bNodeScheme)) {
          x = x.substring(bNodeScheme.length());
          Node n = Node.createAnon(new AnonId(x));
          return n;
        }
      }
      return Node.createURI(uRef.getURI().toString());
    }

    // testing for org.jrdf.graph.Literal
    if (obj.isLiteral()) {
      Literal literal = (Literal) obj;
      if (literal.getDatatypeURI() != null) {
        RDFDatatype type =
            TypeMapper.getInstance().getSafeTypeByName(literal.getDatatypeURI().toString());
        return Node.createLiteral(literal.getLexicalForm(), null, type);
      }

      return Node.createLiteral(literal.getLexicalForm(), literal.getLanguage(), null);
    }

    if (obj.isBlankNode()) {
      BlankNodeImpl b = (BlankNodeImpl) obj;
      // check if this was a Jena-allocated node
      Node jenaNode = valuesToNodes.get(b);
      // if not known, then create a Jena node from the Mulgara ID
      return jenaNode != null ? jenaNode : Node.createAnon(new AnonId(b.getID()));
    }
    throw new RuntimeException("Can't convert to Jena Node : " + obj);
  }
Exemplo n.º 4
0
 public static synchronized Literal getLiteralMatchingDataPropertyRange(
     OntModel m, String rnguri, Object v) throws Exception {
   Literal val = null;
   String errMsg = null;
   RDFDatatype rdftype = TypeMapper.getInstance().getSafeTypeByName(rnguri);
   if (rdftype != null
       && !rdftype.getURI().equals(XSD.xboolean.getURI())
       && !rdftype.getURI().equals(XSD.date.getURI())
       && !rdftype.getURI().equals(XSD.dateTime.getURI())
       && !rdftype.getURI().equals(XSD.time.getURI())) {
     val = m.createTypedLiteral(v, rdftype);
     if (val != null) {
       return val;
     }
   }
   if (rnguri != null) {
     if (rnguri.contains("float")) {
       if (v instanceof String) {
         v = Double.parseDouble(stripQuotes((String) v));
       }
       if (v instanceof Double) {
         v = new Float(((Double) v).floatValue());
         val = m.createTypedLiteral(v);
       } else if (v instanceof Float) {
         val = m.createTypedLiteral(v);
       } else if (v instanceof Integer) {
         v = new Float(((Integer) v).floatValue());
         val = m.createTypedLiteral(v);
       } else {
         errMsg =
             "Unexpected value '"
                 + v.toString()
                 + "' ("
                 + v.getClass().getSimpleName()
                 + ") doesn't match range float";
       }
     } else if (rnguri.contains("double")) {
       if (v instanceof String) {
         v = Double.parseDouble(stripQuotes((String) v));
       }
       if (v instanceof Double) {
         val = m.createTypedLiteral(v);
       } else if (v instanceof Float) {
         v = new Double(((Float) v).doubleValue());
         val = m.createTypedLiteral(v);
       } else if (v instanceof Integer) {
         v = new Double(((Integer) v).doubleValue());
         val = m.createTypedLiteral(v);
       } else {
         errMsg =
             "Unexpected value '"
                 + v.toString()
                 + "' ("
                 + v.getClass().getSimpleName()
                 + ") doesn't match range double";
       }
     } else if (rnguri.contains("decimal")) {
       if (v instanceof String) {
         v = Double.parseDouble(stripQuotes((String) v));
       }
       if (v instanceof Double) {
         v = new BigDecimal(((Double) v).doubleValue());
       } else if (v instanceof Float) {
         v = new BigDecimal(((Float) v).doubleValue());
       } else if (v instanceof Integer) {
         v = new BigDecimal(((Integer) v).doubleValue());
       } else {
         errMsg =
             "Unexpected value '"
                 + v.toString()
                 + "' ("
                 + v.getClass().getSimpleName()
                 + ") doesn't match range decimal";
       }
       val = m.createTypedLiteral(v);
     } else if (rnguri.contains("int")) {
       if (v instanceof String) {
         v = Integer.parseInt(stripQuotes((String) v));
       }
       if (v instanceof Integer) {
         val = m.createTypedLiteral(v);
       } else {
         errMsg =
             "Unexpected value '"
                 + v.toString()
                 + "' ("
                 + v.getClass().getSimpleName()
                 + ") doesn't match range int";
       }
     } else if (rnguri.contains("long")) {
       if (v instanceof String) {
         v = Long.parseLong(stripQuotes((String) v));
       }
       if (v instanceof Long) {
         val = m.createTypedLiteral(v);
       } else if (v instanceof Integer) {
         val = m.createTypedLiteral(new Long(((Integer) v).longValue()));
       } else {
         errMsg =
             "Unexpected value '"
                 + v.toString()
                 + "' ("
                 + v.getClass().getSimpleName()
                 + ") doesn't match range long";
       }
     } else if (rnguri.contains("string")) {
       if (v instanceof String) {
         v = stripQuotes((String) v);
         val = m.createTypedLiteral(v);
       } else {
         errMsg =
             "Unexpected value '"
                 + v.toString()
                 + "' ("
                 + v.getClass().getSimpleName()
                 + ") doesn't match range string";
       }
     } else if (rnguri.endsWith("date")) {
       if (v instanceof String) {
         v = stripQuotes((String) v);
         DateTime dt = new DateTime((String) v);
         String xsdFormat = "yyyy-MM-dd";
         String modifiedV = dt.toString(xsdFormat);
         val = m.createTypedLiteral(modifiedV, rnguri);
       } else {
         errMsg =
             "Unexpected value '"
                 + v.toString()
                 + "' ("
                 + v.getClass().getSimpleName()
                 + ") doesn't match range date/dateTime/time";
       }
     } else if (rnguri.endsWith("dateTime")) {
       if (v instanceof String) {
         v = stripQuotes((String) v);
         if (v != null && ((String) v).length() > 0) {
           DateTime dt = new DateTime((String) v);
           String xsdFormat = "yyyy-MM-dd'T'HH:mm:ssZZ";
           String modifiedV = dt.toString(xsdFormat);
           val = m.createTypedLiteral(modifiedV, rnguri);
         }
       } else {
         errMsg =
             "Unexpected value '"
                 + v.toString()
                 + "' ("
                 + v.getClass().getSimpleName()
                 + ") doesn't match range date/dateTime/time";
       }
     } else if (rnguri.endsWith("time")) {
       if (v instanceof String) {
         v = stripQuotes((String) v);
         val = m.createTypedLiteral("\"" + v + "\"", rnguri);
       } else {
         errMsg =
             "Unexpected value '"
                 + v.toString()
                 + "' ("
                 + v.getClass().getSimpleName()
                 + ") doesn't match range date/dateTime/time";
       }
     } else if (rnguri.endsWith("boolean")) {
       if (v instanceof String) {
         v = Boolean.parseBoolean(stripQuotes((String) v));
       }
       if (v instanceof Boolean) {
         val = m.createTypedLiteral(v);
       } else {
         errMsg =
             "Unexpected value '"
                 + v.toString()
                 + "' ("
                 + v.getClass().getSimpleName()
                 + ") doesn't match range boolean";
       }
     } else {
       errMsg = "Unhandled range " + rnguri;
     }
   } else {
     errMsg = "Range should not be null.";
   }
   if (errMsg != null) {
     throw new Exception(errMsg);
   }
   return val;
 }
Exemplo n.º 5
0
  private void reorderIndividuals(
      String[] individualUris, VitroRequest vreq, String rankPredicate) {
    // Testing new mechanism
    OntModel writeModel = vreq.getOntModelSelector().getABoxModel();
    Model additions = ModelFactory.createDefaultModel();
    Model retractions = ModelFactory.createDefaultModel();
    Property rankPredicateProperty = ResourceFactory.createProperty(rankPredicate);
    DataProperty dp =
        vreq.getWebappDaoFactory().getDataPropertyDao().getDataPropertyByURI(rankPredicate);
    String datapropURI = dp.getRangeDatatypeURI();
    int counter = 1;
    for (String individualUri : individualUris) {
      Resource individualResource = ResourceFactory.createResource(individualUri);
      // Deletions are all old statements with rank predicate
      retractions.add(
          writeModel.listStatements(individualResource, rankPredicateProperty, (RDFNode) null));
      log.debug("retractions = " + retractions);
      // New statement is new literal with the data property from
      Literal dataLiteral = null;
      if (datapropURI != null && datapropURI.length() > 0) {
        dataLiteral =
            ResourceFactory.createTypedLiteral(
                String.valueOf(counter), TypeMapper.getInstance().getSafeTypeByName(datapropURI));
      } else {
        dataLiteral = ResourceFactory.createPlainLiteral(String.valueOf(counter));
      }
      additions.add(individualResource, rankPredicateProperty, dataLiteral);
      log.debug("additions = " + additions);
      counter++;
    }

    Lock lock = null;
    try {
      lock = writeModel.getLock();
      lock.enterCriticalSection(Lock.WRITE);
      writeModel.getBaseModel().notifyEvent(new EditEvent(null, true));
      writeModel.remove(retractions);
      writeModel.add(additions);
    } catch (Throwable t) {
      log.error("error adding edit change n3required model to in memory model \n" + t.getMessage());
    } finally {
      writeModel.getBaseModel().notifyEvent(new EditEvent(null, false));
      lock.leaveCriticalSection();
    }

    // old code that for some reason doesn't seem to actually commit the changes
    /*
    * int counter = 1;
      for (String individualUri : individualUris) {
          // Retract all existing rank statements for this individual
          dpsDao.deleteDataPropertyStatementsForIndividualByDataProperty(individualUri, rankPredicate);

          // Then add the new rank statement for this individual
          // insertNewDataPropertyStatement will insert the rangeDatatype of the property, so we don't need to set that here.
          dpsDao.insertNewDataPropertyStatement(new DataPropertyStatementImpl(individualUri, rankPredicate, String.valueOf(counter)));

          counter++;
      }

    */

  }
Exemplo n.º 6
0
 /** Static initializer. Adds builtin datatypes to the mapper. */
 static {
   theTypeMap = new TypeMapper();
   theTypeMap.registerDatatype(XMLLiteralType.theXMLLiteralType);
   XSDDatatype.loadXSDSimpleTypes(theTypeMap);
 }
Exemplo n.º 7
0
 // Temporary development code
 public static void main(String[] args) {
   for (Iterator iter = theTypeMap.listTypes(); iter.hasNext(); ) {
     RDFDatatype dt = (RDFDatatype) iter.next();
     System.out.println(" - " + dt);
   }
 }