| /** |
| * 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 static org.apache.jena.riot.RDFLanguages.RDFTHRIFT ; |
| |
| import java.io.OutputStream ; |
| import java.io.Writer ; |
| |
| import org.apache.jena.riot.Lang ; |
| import org.apache.jena.riot.RDFFormat ; |
| import org.apache.jena.riot.WriterDatasetRIOT ; |
| import org.apache.jena.riot.system.PrefixMap ; |
| import org.apache.jena.riot.system.StreamRDFOps ; |
| import org.apache.jena.riot.system.StreamRDF ; |
| import org.apache.jena.sparql.core.DatasetGraph ; |
| import org.apache.jena.sparql.util.Context ; |
| |
| /** Write a dataset as RDF Thrift */ |
| public class WriterDatasetThrift implements WriterDatasetRIOT |
| { |
| private final boolean withValues ; |
| public WriterDatasetThrift(RDFFormat fmt) { |
| this.withValues = RDFFormat.RDF_THRIFT_VALUES.equals(fmt) ; |
| } |
| @Override |
| public Lang getLang() { |
| return RDFTHRIFT ; |
| } |
| @Override |
| public void write(Writer out, DatasetGraph dsg, PrefixMap prefixMap, String baseURI, Context context) { |
| throw new RiotThriftException("Writing binary data to a java.io.Writer is not supported. Please use an OutputStream") ; |
| } |
| @Override |
| public void write(OutputStream out, DatasetGraph dsg, PrefixMap prefixMap, String baseURI, Context context) { |
| StreamRDF stream = BinRDF.streamToOutputStream(out, withValues) ; |
| stream.start(); |
| StreamRDFOps.sendDatasetToStream(dsg, stream, baseURI, prefixMap) ; |
| stream.finish(); |
| } |
| } |