Beispiel #1
0
  /**
   * Used to write Resources for a Subject. Resources will use "ObjectNode" method.
   *
   * @param predicate PredicateNode
   * @param object Literal
   * @param writer PrintWriter
   * @throws GraphException
   */
  protected void writeStatement(
      Graph graph, SubjectNode subject, PredicateNode predicate, Literal object, PrintWriter writer)
      throws GraphException {

    // determine if the Literal has a datatype
    URI datatype = object.getDatatypeURI();

    // Get the lexical form of the literal
    String literalObject = object.getLexicalForm();

    // Create the StringBuffer to hold the resultant string
    StringBuffer buffer = new StringBuffer();

    // Escape the XML string
    StringUtil.quoteAV(literalObject, buffer);

    if (datatype != null) {

      // write as:  <predicateURI rdf:datatype="datatype">"Literal value"
      //           </predicateURI>
      writer.println(
          "    <"
              + this.getURI(predicate)
              + " "
              + RDF_PREFIX
              + ":datatype=\""
              + datatype
              + "\">"
              + buffer.toString()
              + "</"
              + this.getURI(predicate)
              + ">");
    } else {

      // write as:  <predicateURI>"Literal value"</predicateURI>
      writer.println(
          "    <"
              + this.getURI(predicate)
              + ">"
              + buffer.toString()
              + "</"
              + this.getURI(predicate)
              + ">");
    }
  }
Beispiel #2
0
 @Test
 public void testInfoStamp() {
   String versionString = "E3.14159", commentString = "gloopSmurfale";
   String resourceString =
       "_x eye:assumed 'ABC'; _x eye:checked 'DEF'; _x eye:version '%v'; _x eye:comment '%c'"
           .replaceAll("%v", versionString)
           .replaceAll("%c", commentString);
   InfoStamp i = new InfoStamp(resourceInModel(resourceString));
   Calendar now = Calendar.getInstance();
   Resource root = i.stamp(now);
   Model stamp = root.getModel();
   Literal dateLiteral = ModelFactory.createDefaultModel().createTypedLiteral(now);
   String dateString = "'" + dateLiteral.getLexicalForm() + "'" + dateLiteral.getDatatypeURI();
   String expectedFormat =
       "[eye:assumed 'ABC' & eye:checked 'DEF' & eye:dated <date>"
           + " & eye:comment '<comment>' & eye:version '<version>']";
   String expectedString =
       expectedFormat
           .replaceAll("<date>", dateString)
           .replaceAll("<version>", versionString)
           .replaceAll("<comment>", commentString);
   Model expected = model(expectedString);
   assertIsoModels(expected, stamp);
 }