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.

      
      else if (o.isAnon() && visited.containsKey(o))
        ir.addProperty(p,visited.get(o));


      else { // recursively merge anonymous objects
        Resource a = infModel.createResource();
        visited.put(o,a);
        ir.addProperty(p,a);
        mergeDescription(a, (Resource)o, false, visited);
      }
    }

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  public Resource toOWL(Context ctx) {
    schema xs = (schema) this.get_owner();
    String uri = createURI(xs.ont,ctx);
    
    // have we seen this type before
    Resource cls = ctx.getOntClass(uri) ;
    if (cls!=null) return cls;  


    // delegate creation of the class to the children
    if (restriction!=null) cls = restriction.toOWLSimpleType(uri, ctx);
    else if (_list!=null) cls = _list.toOWL(xs.ont, uri, true, ctx);

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    if (t!=null && t.startsWith(schema.XSD_URI)) {
      // ID is used to name the owning element - don't generate RDF property
      if (t.endsWith("#ID")) return;
      // IDREF to globally named element
      else if (t.endsWith("#IDREF")) {
        Resource rez = model.createResource(addFragment(ctx.getBaseMap(), value).toString());
        subject.addProperty(prop, rez);
      }
      // IDREFS to global entities
      else if (t.endsWith("#IDREFS"))
        subject.addProperty(prop, schema.toRDFList(attribute,value,XSD.IDREF.getURI(),null,ctx));

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    // include no more than cardinality restrictions for referenced attributes
    if (!this.equals(def)) return;


    OntProperty property = xs.ont.createOntProperty(uri);


    Resource range = null;
    simpleType s = def.simpleType;
    if (s==null) s = ctx.getSimpleType(type);
    if (s!=null) {
      s.defineType(property,ctx);
      range = s.toOWL(ctx);
    }
    else {
      // default attribute type
      if (type==null) type = schema.anySimpleType;
      schema.defineType(property,type);
      range = schema.toOWL(xs.ont,type);
      
      // ecore extensions
      if (ecore!=null) ecore.toOWL(getModel(), uri, rest, get_node(), type, ctx);
    }
    
    // remove all evidence of an ID attribute
    if (range!=null && schema.isID(range)) property.remove();
    
    // Don't bother to add a range restriction only for it to be cleaned up afterwards (noRest)
    if (range!=null && rest!=null && !noRest && !schema.isID(range)) 
      rest.addRange(uri, range);
    
    // global attribute closure
    if (property.getRange()==null && ctx.isGlobalAttribute(def) 
        && ctx.isClosed() && range!=null && !schema.ID.equals(range.getURI())) {
      property.setRange(range);
    }
    
    if (noRest) rest.cleanup(xs.ont,uri);

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  /** remove ID property restrictions (xs:ID is mapped to the resource URI) */
  
  boolean removeID(OntModel ont, Set<Resource> range) {
    boolean removed = false;
    Resource id = ont.getResource(schema.ID);
    if (range.contains(id)) removed = range.remove(id);
    for (Resource r: range) {
      if (schema.isID(r)) {
        schema.cleanup(r);
        removed = range.remove(r);

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      if (s.isEmpty()) removeRange.add(key);
    }
    for (String key: removeRange) range.remove(key);
    for (String key: removeProps) {
      // we can delete the property if it's not being used elsewhere
      Resource r = ont.getResource(key);
      ResIterator i1 = ont.listSubjectsWithProperty(OWL.onProperty,r);
      ResIterator i2 = ont.listSubjectsWithProperty(RDFS.subPropertyOf,r);
      // r should not be used in an existing restriction or subPropertyOf relation
      // ignore case where r is a subPropertyOf itself
      Resource s = null;
      while (i2.hasNext() && (s==null || s.equals(r))) 
        s = i2.nextResource();
      if (!i1.hasNext() && (s==null || s.equals(r))) 
        r.removeProperties();
    }
  }

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    Model m = ctx.getModel();
    Set<Statement> done = new HashSet<Statement>();
    done: for (Iterator i = pending.iterator(); i.hasNext(); ) {
      Statement stmt = (Statement) i.next();
      if (stmt.getPredicate().equals(RDF.type)) {
        Resource type = (Resource) stmt.getObject();
        // ignore RDF types, e.g. rdf:Seq, or URI of this type
        if (type.getURI().startsWith(RDF.getURI())
         || type.getURI().equals(createURI(m,ctx))) {
          done.add(stmt);
          continue;
        }
        complexType c = ctx.getComplexType(type.getURI());
        // map direct ONLY descendents of thisclass to XML
        if (c!=null && c.subtype(createURI(m,ctx), m,ctx)) {
          done.add(stmt);
          complex = c;
          break done;

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  public Resource toOWL(Restrictions rest, boolean createAnon, Context ctx) {
    schema xs = (schema) this.get_owner();
    String uri = createURI(xs.ont,ctx);


    // create class if this is the first time we've seen it
    Resource c = ctx.getOntClass(uri), cls = c ;
    if (c==null) {
      if (uri!=null) ctx.putOntClass(uri, cls = xs.ont.createClass(uri));
    }
    else if (rest==null) return c;
    if (cls==null) cls = xs.ont.createClass(uri);

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      OntModel ont = rest.getModel(key);
      OntProperty p = ont.getOntProperty(key);
      Set<Resource> s = rest.getRange().get(key);


      if (s.size()==1) {
        Resource t = s.iterator().next();
        
        if (t!=null && ont!=xs.ont) t = copyResource(t);
        // is the range implied by the global property
        if (t!=null && (p.getRange()==null || !p.getRange().equals(t)))
          restrictions.add(xs.ont.createAllValuesFromRestriction(null,p,t));

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  // copy anonymous resources from different ontology
  Resource copyResource(Resource rez) {
    schema xs = (schema) this.get_owner();
    if (rez.isAnon()) {
      Resource r = xs.ont.createResource();
      for (StmtIterator si = rez.listProperties(); si.hasNext(); ) {
        Statement s = si.nextStatement();
        if (s.getObject().equals(rez)) continue;
        if (s.getObject().equals(RDFS.Resource)) continue;
        if (s.getObject().equals(RDFS.Class)) continue;
        else if (s.getObject().isLiteral())
          r.addProperty(s.getPredicate(),s.getLiteral());
        else 
          r.addProperty(s.getPredicate(), copyResource(s.getResource()));
      }
      return r;
    }
    else return rez;
  }

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