/**
* 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.riot.thrift;
import org.apache.jena.graph.Triple ;
import org.apache.jena.riot.RiotException ;
import org.apache.jena.riot.system.PrefixMap ;
import org.apache.jena.riot.system.StreamRDF ;
import org.apache.jena.riot.thrift.wire.RDF_PrefixDecl ;
import org.apache.jena.riot.thrift.wire.RDF_Quad ;
import org.apache.jena.riot.thrift.wire.RDF_Triple ;
import org.apache.jena.sparql.core.Quad ;
/** Thrift RDF (wire format) to RDF terms (Jena java objects)
*
* @see StreamRDF2Thrift for the reverse process.
*/
public class Thrift2StreamRDF implements VisitorStreamRowTRDF {
private final StreamRDF dest ;
private final PrefixMap pmap ;
public Thrift2StreamRDF(PrefixMap pmap, StreamRDF stream) {
this.pmap = pmap ;
this.dest = stream ;
}
@Override
public void visit(RDF_Triple rt) {
Triple t = ThriftConvert.convert(rt, pmap) ;
dest.triple(t) ;
}
@Override
public void visit(RDF_Quad rq) {
Quad q = ThriftConvert.convert(rq, pmap) ;
dest.quad(q) ;
}
@Override
public void visit(RDF_PrefixDecl prefixDecl) {
String prefix = prefixDecl.getPrefix() ;
String iriStr = prefixDecl.getUri() ;
try {
pmap.add(prefix, iriStr) ;
} catch (RiotException ex) {}
dest.prefix(prefix, iriStr) ;
}
}