/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jena.n3.turtle;
import org.apache.jena.graph.Graph ;
import org.apache.jena.graph.Node ;
import org.apache.jena.graph.Triple ;
public class TurtleRDFGraphInserter implements TurtleEventHandler
{
Graph graph = null ;
public TurtleRDFGraphInserter(Graph graph) { this.graph = graph ; }
@Override
public void triple(int line, int col, Triple triple)
{
//Check it's valid triple.
Node s = triple.getSubject() ;
Node p = triple.getPredicate() ;
Node o = triple.getObject() ;
if ( ! ( s.isURI() || s.isBlank() ) )
throw new TurtleParseException("["+line+", "+col+"] : Error: Subject is not a URI or blank node") ;
if ( ! p.isURI() )
throw new TurtleParseException("["+line+", "+col+"] : Error: Predicate is not a URI") ;
if ( ! ( o.isURI() || o.isBlank() || o.isLiteral() ) )
throw new TurtleParseException("["+line+", "+col+"] : Error: Object is not a URI, blank node or literal") ;
graph.add(triple) ;
}
@Override
public void startFormula(int line, int col)
{ throw new TurtleParseException("["+line+", "+col+"] : Error: Formula found") ; }
@Override
public void endFormula(int line, int col)
{ throw new TurtleParseException("["+line+", "+col+"] : Error: Formula found") ; }
@Override
public void prefix(int line, int col, String prefix, String iri)
{ graph.getPrefixMapping().setNsPrefix(prefix, iri) ; }
}