/*
* 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 dev.inf;
import org.openjena.atlas.io.IndentedWriter ;
import com.hp.hpl.jena.graph.Graph ;
import com.hp.hpl.jena.graph.Node ;
import com.hp.hpl.jena.graph.Triple ;
import com.hp.hpl.jena.rdf.model.Model ;
import com.hp.hpl.jena.sparql.sse.Item ;
import com.hp.hpl.jena.sparql.sse.ItemWriter ;
import com.hp.hpl.jena.util.FileManager ;
import com.hp.hpl.jena.util.iterator.ExtendedIterator ;
import com.hp.hpl.jena.vocabulary.RDFS ;
public class sdbRDFSexpand
{
public static void main(String... args)
{
// Read model.
Model m = FileManager.get().loadModel("D.ttl") ;
// Need to worry about pure rdf:type stuff (unlinked classes
Item itemC = make(TAG_CLASS, RDFS.subClassOf.asNode(), m.getGraph()) ;
IndentedWriter out = new IndentedWriter(System.out) ;
ItemWriter.write(out, itemC, null) ;
out.flush() ;
//Item itemP = make(TAG_PROP, RDFS.subPropertyOf.asNode(), m.getGraph()) ;
}
static public final String TAG_PROP = "trans-property" ;
static public final String TAG_CLASS = "trans-class" ;
static Item make(String tag, Node property, Graph graph)
{
TransGraphNode tg = new TransGraphNode() ;
ExtendedIterator<Triple> iter = graph.find(null, property, null) ;
for ( ; iter.hasNext() ; )
{
Triple t = iter.next() ;
tg.add(t.getSubject(), t.getObject()) ;
}
tg.expandReflexive() ;
//tg.expand() ;
return tg.asItem(tag) ;
}
}