1 /*
2 * Copyright 2008-2010 Digital Enterprise Research Institute (DERI)
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.deri.any23.extractor.rdf;
18
19 import org.deri.any23.extractor.ExtractionContext;
20 import org.deri.any23.extractor.ExtractionResult;
21 import org.deri.any23.extractor.ExtractorDescription;
22 import org.deri.any23.extractor.ExtractorFactory;
23 import org.deri.any23.extractor.SimpleExtractorFactory;
24 import org.openrdf.rio.helpers.RDFParserBase;
25
26 import java.util.Arrays;
27
28 /**
29 *
30 * Concrete implementation of {@link org.deri.any23.extractor.Extractor.ContentExtractor} able to perform the
31 * extraction on <a href="http://www.w3.org/TeamSubmission/turtle/">Turtle</a> documents.
32 *
33 */
34 public class TurtleExtractor extends BaseRDFExtractor {
35
36 public static final ExtractorFactory<TurtleExtractor> factory =
37 SimpleExtractorFactory.create(
38 "rdf-turtle",
39 null,
40 Arrays.asList(
41 "text/rdf+n3",
42 "text/n3",
43 "application/n3",
44 "application/x-turtle",
45 "application/turtle",
46 "text/turtle"
47 ),
48 "example-turtle.ttl",
49 TurtleExtractor.class
50 );
51
52 /**
53 * Constructor, allows to specify the validation and error handling policies.
54 *
55 * @param verifyDataType if <code>true</code> the data types will be verified,
56 * if <code>false</code> will be ignored.
57 * @param stopAtFirstError if <code>true</code> the parser will stop at first parsing error,
58 * if <code>false</code> will ignore non blocking errors.
59 */
60 public TurtleExtractor(boolean verifyDataType, boolean stopAtFirstError) {
61 super(verifyDataType, stopAtFirstError);
62 }
63
64 /**
65 * Default constructor, with no verification of data types and no stop at first error.
66 */
67 public TurtleExtractor() {
68 this(false, false);
69 }
70
71 public ExtractorDescription getDescription() {
72 return factory;
73 }
74
75 @Override
76 protected RDFParserBase getParser(ExtractionContext extractionContext, ExtractionResult extractionResult) {
77 return RDFParserFactory.getInstance().getTurtleParserInstance(
78 isVerifyDataType(), isStopAtFirstError(), extractionContext, extractionResult
79 );
80 }
81
82 }