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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *  http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.any23.writer;
19  
20  import org.apache.any23.configuration.Settings;
21  import org.eclipse.rdf4j.rio.WriterConfig;
22  import org.eclipse.rdf4j.rio.helpers.NTriplesWriterSettings;
23  
24  import java.io.OutputStream;
25  
26  /**
27   * Implementation of an <i>N-Quads</i> {@link TripleWriter}.
28   *
29   * @author Michele Mostarda (mostarda@fbk.eu)
30   * @author Hans Brende (hansbrende@apache.org)
31   */
32  public class NQuadsWriter extends RDFWriterTripleHandler {
33  
34      static class Internal {
35          private static final org.eclipse.rdf4j.rio.nquads.NQuadsWriterFactory rdf4j
36                  = new org.eclipse.rdf4j.rio.nquads.NQuadsWriterFactory();
37  
38          static final TripleFormat FORMAT = format(rdf4j);
39  
40          static final Settings SUPPORTED_SETTINGS = Settings.of(
41                  WriterSettings.PRINT_ASCII
42          );
43      }
44  
45      @Override
46      void configure(WriterConfig config, Settings settings) {
47          config.set(NTriplesWriterSettings.ESCAPE_UNICODE, settings.get(WriterSettings.PRINT_ASCII));
48      }
49  
50  
51      public NQuadsWriter(OutputStream os) {
52          this(os, Settings.of());
53      }
54  
55      public NQuadsWriter(OutputStream os, Settings settings) {
56          super(Internal.rdf4j, Internal.FORMAT, os, settings);
57      }
58  
59  }