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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-Triples</i> {@link TripleWriter}.
    28   *
    29   * @author Hans Brende (hansbrende@apache.org)
    30   */
    31  public class NTriplesWriter extends RDFWriterTripleHandler {
    32
    33      static class Internal {
    34          private static final org.eclipse.rdf4j.rio.ntriples.NTriplesWriterFactory rdf4j = new org.eclipse.rdf4j.rio.ntriples.NTriplesWriterFactory();
    35
    36          static final TripleFormat FORMAT = format(rdf4j);
    37
    38          static final Settings SUPPORTED_SETTINGS = Settings.of(WriterSettings.PRINT_ASCII);
    39      }
    40
    41      @Override
    42      void configure(WriterConfig config, Settings settings) {
    43          config.set(NTriplesWriterSettings.ESCAPE_UNICODE, settings.get(WriterSettings.PRINT_ASCII));
    44      }
    45
    46      public NTriplesWriter(OutputStream out) {
    47          this(out, Settings.of());
    48      }
    49
    50      public NTriplesWriter(OutputStream os, Settings settings) {
    51          super(Internal.rdf4j, Internal.FORMAT, os, settings);
    52      }
    53
    54  }