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.vocab;
19
20 import org.eclipse.rdf4j.model.IRI;
21
22 /**
23 * This vocabulary models the structure of a <i>CSV</i> file according the
24 * <a href="http://www.ietf.org/rfc/rfc4180.txt">RFC 4180</a>.
25 *
26 * @author Davide Palmisano (dpalmisano@gmail.com)
27 */
28 public class CSV extends Vocabulary {
29
30 public static final String ROW = "row";
31
32 public static final String ROW_POSITION = "rowPosition";
33
34 public static final String NUMBER_OF_ROWS = "numberOfRows";
35
36 public static final String NUMBER_OF_COLUMNS = "numberOfColumns";
37
38 public static final String COLUMN_POSITION = "columnPosition";
39
40 public static final String ROW_TYPE = "Row";
41
42 /**
43 * This property links the identifier of a <i>CSV</i> to an entity representing a row.
44 */
45 public final IRI row = createProperty(ROW);
46
47 /**
48 * This property expresses the index of a row in a <i>CSV</i> file.
49 */
50 public final IRI rowPosition = createProperty(ROW_POSITION);
51
52 /**
53 * This property expresses the number of rows in a <i>CSV</i> file.
54 */
55 public final IRI numberOfRows = createProperty(NUMBER_OF_ROWS);
56
57 /**
58 * This property expresses the number of columns in a <i>CSV</i> file.
59 */
60 public final IRI numberOfColumns = createProperty(NUMBER_OF_COLUMNS);
61
62 /**
63 * This resource identifies a <i>Row</i>.
64 */
65 public final IRI rowType = createResource(ROW_TYPE);
66
67 /**
68 * This property expresses the index of a column in a <i>CSV</i> file.
69 */
70 public final IRI columnPosition = createProperty(COLUMN_POSITION);
71
72 /**
73 * The namespace of the vocabulary as a string.
74 */
75 public static final String NS = "http://tools.ietf.org/html/rfc4180";
76
77 private static CSV instance;
78
79 private CSV() {
80 super(NS);
81 }
82
83 public static CSV getInstance() {
84 if (instance == null) {
85 instance = new CSV();
86 }
87 return instance;
88 }
89
90 public IRI createResource(String localName) {
91 return createProperty(NS, localName);
92 }
93
94 /**
95 *
96 * @param localName
97 * name to assign to namespace.
98 *
99 * @return the new URI instance.
100 */
101 public IRI createProperty(String localName) {
102 return createProperty(NS, localName);
103 }
104
105 }