Examples of com.hp.hpl.jena.rdf.model.Resource

com.hp.hpl.jena.rdf.model.Resource
An RDF Resource. Resource instances when created may be associated with a specific model. Resources created by a model will refer to that model, and support a range of methods, such as getProperty() and addProperty() which will access or modify that model. This enables the programmer to write code in a compact and easy style.
Resources created by ResourceFactory will not refer to any model, and will not permit operations which require a model. Such resources are useful as general constants.
This interface provides methods supporting typed literals. This means that methods are provided which will translate a built in type, or an object to an RDF Literal. This translation is done by invoking the toString() method of the object, or its built in equivalent. The reverse translation is also supported. This is built in for built in types. Factory objects, provided by the application, are used for application objects.

This interface provides methods for supporting enhanced resources. An enhanced resource is a resource to which the application has added behaviour. RDF containers are examples of enhanced resources built in to this package. Enhanced resources are supported by encapsulating a resource created by an implementation in another class which adds the extra behaviour. Factory objects are used to construct such enhanced resources.

    Context ctx = new Context(base,xmlns,model,schemaMap,this);
    
    for (URL u: schemaMap.keySet()) schemaMap.get(u).declareGlobalNS(model,ctx);


    //  create a named or anonymous resource
    Resource rez;
    if (base != null) rez = model.createResource(base.toString());
    else rez = model.createResource();
    
    element e = ctx.getElement(element.createURI(d,ctx));
    if (e!=null) return e.toRDF(rez, d, null,ctx);

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   * @param uri the (named) root of the XML output
   * @return XML Document
   */


  public Document drop(Model model, URI uri) throws Exception {
    Resource rez = model.getResource(uri.toString());
    return drop(rez);
  }

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  // no-schema lift
  
  public static void noSchemaToRDF(Element elem, URI uri, Context ctx) throws Exception {
    Model m = ctx.getModel();
    // create a root resource with optional uri
    Resource rez;
    if (uri != null) rez = m.createResource(uri.toString());
    //  anonymous resource
    else rez = m.createResource();
    // the document element is unsequenced
    noSchemaToRDF(rez, elem, null, ctx);

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    String simple = getSimpleContent(elem);
    if (elem.hasAttributes() || simple==null) {
      // looks like a complex type
      
      Resource obj = null;
      if (elem.hasAttributeNS(XML,"id")) {
        String id = elem.getAttributeNS(XML,"id");
        obj = m.createResource(addFragment(ctx.getBaseMap(), id).toString());
      }
      else obj = m.createResource();
      
      // explicit xsi:type
      if (elem.hasAttributeNS(schema.XSI,"type")) {
        String t = elem.getAttributeNS(schema.XSI,"type");
        String fullname = expandQName(ctx.getDefaultNS(),t,elem,ctx.getModel());
        complexType c = ctx.getComplexType(fullname);
        if (c!=null) {
          String id = c.getID(elem,ctx);
          Resource o = id==null?m.createResource():m.createResource(addFragment(ctx.getBaseMap(), id).toString());
          stmt = m.createStatement(subject,prop,o);
          // the new resource, o, becomes the subject
                    
          Seq subSeq = null;
          if (ctx.isSequenced() && elem.hasChildNodes() && c.needSeq(new HashSet<String>(), ctx))
            subSeq = m.getSeq(o.addProperty(RDF.type, RDF.Seq));
    
          int index = c.toRDF(o, elem, 0, subSeq,null,true,ctx);
          // mop up remaining values in sequence
          produceMixed(subSeq, index, elem);

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  }
    
  public static boolean noSchemaToXML(Document doc, RDFNode rdf, Context ctx) {
    boolean qualify = ctx.getDefaultNS()!=null;
    if (rdf instanceof Resource) {
      Resource r = (Resource) rdf;
      for (StmtIterator i = r.listProperties(); i.hasNext(); ) {
        Statement stmt = i.nextStatement();
        Property p = stmt.getPredicate();
        // ignore RDF properties eg. RDF:type
        // take the first (non-rdf) property we find as document element
        if (!p.getURI().startsWith(RDF.getURI())) {

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  public static boolean noSchemaToXML(Element elem, RDFNode rdf, boolean qualify, Context ctx) {
    Document doc = elem.getOwnerDocument();
    String s = null;    
    if (rdf instanceof Resource) {
      Resource r = (Resource) rdf;
      Model m = r.getModel();
      
      // is the resource explicitly typed
      complexType ct = null;
      for (StmtIterator si = r.listProperties(RDF.type); si.hasNext(); ) {
        Resource t = si.nextStatement().getResource();
        
        // ignore RDF types, e.g. rdf:Seq
        if (t.getURI().startsWith(RDF.getURI())) continue;        
        complexType c = ctx.getComplexType(t.getURI());
        if (c!=null && (ct==null || c.subtype(ct.createURI(m,ctx),m,ctx))) ct = c;
      }    
      if (ct!=null) {
        ct.toXML(elem, r, 0, unsequenced(r), ctx);
        return true;

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    return true;
  }


  public static boolean noSchemaToXML(Attr attr, RDFNode rdf, Context ctx) {
    if (rdf instanceof Resource) {
      Resource r = (Resource) rdf;
      if (r.hasProperty(RDF.value)) {
        attr.setNodeValue(r.getProperty(RDF.value).getString());
        return true;
      }
    }
    else {
      // literal

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  public void subClassSimpleType(Resource cls, Context ctx) {
    OntModel ont = (OntModel) cls.getModel();
    String t = expandQName(ctx.getDefaultNS(),base, ont);
    if (t!=null && t.startsWith(schema.XSD_URI)) {
      Resource r = schema.toOWL(ont,t);
      if (r!=null) cls.addProperty(RDFS.subClassOf,r);
    }      
    try {
      simpleType s = (simpleType) get_baseType(ont,ctx);
      if (s!=null) cls.addProperty(RDFS.subClassOf,s.toOWL(ctx));

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      this.model.removeAll().add(temp);
      infModel.rebind();
    }
    else {
      // mark known classes as OK
      Resource ok = infModel.getResource(Gloze.OK);
      for (ResIterator ri = this.model.listSubjectsWithProperty(RDF.type, OWL.Class); ri.hasNext(); )
        ri.nextResource().addProperty(RDF.type, ok);
    }
    return valid;
  }

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    return valid;
  }
    
  public void mergeModel(Model mod, boolean flagOK, Map<RDFNode,RDFNode> visited) {
    for (ResIterator ri = mod.listSubjects(); ri.hasNext(); ) {
      Resource r = ri.nextResource(), ir;
      if (!r.isAnon()) ir = infModel.getResource(r.getURI());
      else continue;
      
      // does ir have any defining properties (other than its type)
      boolean defined = false;
      for (StmtIterator si = ir.listProperties(); !defined && si.hasNext(); )

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