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Jena is a Java framework for building Semantic Web applications. It provides a programmatic environment for RDF, RDFS and OWL, SPARQL and includes a rule-based inference engine.
/*
(c) Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Hewlett-Packard Development Company, LP
[See end of file]
$Id: ResourceImpl.java,v 1.52 2009/01/25 20:06:45 andy_seaborne Exp $
*/
package com.hp.hpl.jena.rdf.model.impl;
import com.hp.hpl.jena.rdf.model.*;
import com.hp.hpl.jena.datatypes.RDFDatatype;
import com.hp.hpl.jena.enhanced.*;
import com.hp.hpl.jena.graph.*;
/** An implementation of Resource.
*
* @author bwm
* @version Release='$Name: $' Revision='$Revision: 1.52 $' Date='$Date: 2009/01/25 20:06:45 $'
*/
public class ResourceImpl extends EnhNode implements Resource {
final static public Implementation factory = new Implementation() {
@Override
public boolean canWrap( Node n, EnhGraph eg )
{ return !n.isLiteral(); }
@Override
public EnhNode wrap(Node n,EnhGraph eg) {
if (n.isLiteral()) throw new ResourceRequiredException( n );
return new ResourceImpl(n,eg);
}
};
final static public Implementation rdfNodeFactory = new Implementation() {
@Override
public boolean canWrap( Node n, EnhGraph eg )
{ return true; }
@Override
public EnhNode wrap(Node n,EnhGraph eg) {
if ( n.isURI() || n.isBlank() )
return new ResourceImpl(n,eg);
if ( n.isLiteral() )
return new LiteralImpl(n,eg);
return null;
}
};
/**
the master constructor: make a new Resource in the given model,
rooted in the given node.
NOT FOR PUBLIC USE - used in ModelCom [and ContainerImpl]
*/
public ResourceImpl( Node n, ModelCom m ) {
super( n, m );
}
/** Creates new ResourceImpl */
public ResourceImpl() {
this( (ModelCom) null );
}
public ResourceImpl( ModelCom m ) {
this( fresh( null ), m );
}
public ResourceImpl( Node n, EnhGraph m ) {
super( n, m );
}
public ResourceImpl( String uri ) {
super( fresh( uri ), null );
}
public ResourceImpl(String nameSpace, String localName) {
super( Node.createURI( nameSpace + localName ), null );
}
public ResourceImpl(AnonId id) {
this( id, null );
}
public ResourceImpl(AnonId id, ModelCom m) {
this( Node.createAnon( id ), m );
}
public ResourceImpl(String uri, ModelCom m) {
this( fresh( uri ), m );
}
public ResourceImpl( Resource r, ModelCom m ) {
this( r.asNode(), m );
}
public ResourceImpl(String nameSpace, String localName, ModelCom m) {
this( Node.createURI( nameSpace + localName ), m );
}
public Object visitWith( RDFVisitor rv )
{ return isAnon() ? rv.visitBlank( this, getId() ) : rv.visitURI( this, getURI() ); }
public RDFNode inModel( Model m )
{
return
getModel() == m ? this
: isAnon() ? m.createResource( getId() )
: asNode().isConcrete() == false ? ((ModelCom) m).getRDFNode( asNode() )
: m.createResource( getURI() );
}
private static Node fresh( String uri )
{ return uri == null ? Node.createAnon() : Node.createURI( uri ); }
public AnonId getId()
{ return asNode().getBlankNodeId(); }
public String getURI() {
return isAnon() ? null : node.getURI();
}
public String getNameSpace() {
return isAnon() ? null : node.getNameSpace();
}
public String getLocalName() {
return isAnon() ? null : node.getLocalName();
}
public boolean hasURI( String uri )
{ return node.hasURI( uri ); }
@Override
public String toString()
{ return asNode().toString(); }
protected ModelCom mustHaveModel()
{
ModelCom model = getModelCom();
if (model == null) throw new HasNoModelException( this );
return model;
}
public Statement getRequiredProperty(Property p)
{ return mustHaveModel().getRequiredProperty( this, p ); }
public Statement getProperty( Property p )
{ return mustHaveModel().getProperty( this, p ); }
public StmtIterator listProperties(Property p)
{ return mustHaveModel().listStatements( this, p, (RDFNode) null ); }
public StmtIterator listProperties()
{ return mustHaveModel().listStatements( this, null, (RDFNode) null ); }
public Resource addLiteral( Property p, boolean o )
{
ModelCom m = mustHaveModel();
m.add( this, p, m.createTypedLiteral( o ) );
return this;
}
public Resource addProperty(Property p, long o) {
mustHaveModel().addLiteral( this, p, o );
return this;
}
public Resource addLiteral( Property p, long o )
{
Model m = mustHaveModel();
m.add( this, p, m.createTypedLiteral( o ) );
return this;
}
public Resource addLiteral( Property p, char o )
{
ModelCom m = mustHaveModel();
m.add( this, p, m.createTypedLiteral( o ) );
return this;
}
public Resource addProperty(Property p, float o) {
mustHaveModel().addLiteral( this, p, o );
return this;
}
public Resource addProperty(Property p, double o) {
mustHaveModel().addLiteral( this, p, o );
return this;
}
public Resource addLiteral( Property p, double o )
{
Model m = mustHaveModel();
m.add( this, p, m.createTypedLiteral( o ) );
return this;
}
public Resource addLiteral( Property p, float o )
{
Model m = mustHaveModel();
m.add( this, p, m.createTypedLiteral( o ) );
return this;
}
public Resource addProperty(Property p, String o) {
mustHaveModel().add( this, p, o );
return this;
}
public Resource addProperty(Property p, String o, String l)
{
mustHaveModel().add( this, p, o, l );
return this;
}
public Resource addProperty(Property p, String lexicalForm, RDFDatatype datatype)
{
mustHaveModel().add(this, p, lexicalForm, datatype) ;
return this ;
}
public Resource addLiteral( Property p, Object o )
{
ModelCom m = mustHaveModel();
m.add( this, p, m.createTypedLiteral( o ) );
return this;
}
public Resource addProperty(Property p, RDFNode o) {
mustHaveModel().add( this, p, o );
return this;
}
public boolean hasProperty(Property p) {
return mustHaveModel().contains( this, p );
}
public boolean hasLiteral( Property p, boolean o )
{
ModelCom m = mustHaveModel();
return m.contains( this, p, m.createTypedLiteral( o ) );
}
public boolean hasLiteral( Property p, long o )
{
ModelCom m = mustHaveModel();
return m.contains( this, p, m.createTypedLiteral( o ) );
}
public boolean hasLiteral( Property p, char o )
{
ModelCom m = mustHaveModel();
return m.contains( this, p, m.createTypedLiteral( o ) );
}
public boolean hasLiteral( Property p, double o )
{
ModelCom m = mustHaveModel();
return m.contains( this, p, m.createTypedLiteral( o ) );
}
public boolean hasLiteral( Property p, float o )
{
ModelCom m = mustHaveModel();
return m.contains( this, p, m.createTypedLiteral( o ) );
}
public boolean hasProperty(Property p, String o) {
return mustHaveModel().contains( this, p, o );
}
public boolean hasProperty(Property p, String o, String l) {
return mustHaveModel().contains( this, p, o, l );
}
public boolean hasLiteral( Property p, Object o )
{
ModelCom m = mustHaveModel();
return m.contains( this, p, m.createTypedLiteral( o ) );
}
public boolean hasProperty(Property p, RDFNode o) {
return mustHaveModel().contains( this, p, o );
}
public Resource removeProperties() {
removeAll(null);
return this;
}
public Resource removeAll( Property p ) {
mustHaveModel().removeAll( this, p, (RDFNode) null );
return this;
}
public Resource begin() {
mustHaveModel().begin();
return this;
}
public Resource abort() {
mustHaveModel().abort();
return this;
}
public Resource commit() {
mustHaveModel().commit();
return this;
}
public Model getModel() {
return (Model) getGraph();
}
protected ModelCom getModelCom()
{ return (ModelCom) getGraph(); }
}
/*
* (c) Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Hewlett-Packard Development Company, LP
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ResourceImpl.java
*
* Created on 03 August 2000, 13:45
*/