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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  package org.apache.any23.vocab;
    18
    19  import org.eclipse.rdf4j.model.IRI;
    20
    21  /**
    22   * This vocabulary describes model of the yaml file.
    23   *
    24   * @author Jacek Grzebyta (grzebyta.dev [at] gmail.com)
    25   */
    26  public class YAML extends Vocabulary {
    27
    28      /*
    29       * Namespace of YAML vocabulary
    30       */
    31      public static final String NS = "http://yaml.org/spec/1.2/spec.html#";
    32
    33      public static final String PREFIX = "yaml";
    34
    35      public static final String ROOT = "Root";
    36
    37      public static final String DOCUMENT = "Document";
    38
    39      public static final String NODE = "Node";
    40
    41      public static final String SEQUENCE = "Sequence";
    42
    43      public static final String MAPPING = "Mapping";
    44
    45      public static final String CONTAINS = "contains";
    46
    47      public static final String NULL = "Null";
    48
    49      private static final YAML _instance = new YAML();
    50
    51      private YAML() {
    52          super(NS);
    53      }
    54
    55      public static YAML getInstance() {
    56          return _instance;
    57      }
    58
    59      // Resources
    60      /**
    61       * <p>
    62       * The root node. Representation of the YAML file. NB: one file may contain more than one documents represented by
    63       * nodes; e.g.
    64       * </p>
    65       * <p>
    66       * <code>
    67       * %YAML 1.2
    68       * ---
    69       * - data1
    70       * - data2
    71       * ---
    72       * - data3
    73       * </code>
    74       * </p>
    75       * Contains two documents.
    76       */
    77      public final IRI root = createClass(NS, ROOT);
    78
    79      public final IRI document = createClass(NS, DOCUMENT);
    80
    81      public final IRI node = createClass(NS, NODE);
    82
    83      public final IRI sequence = createClass(NS, SEQUENCE);
    84
    85      public final IRI mapping = createClass(NS, MAPPING);
    86      // property
    87      public final IRI contains = createProperty(NS, CONTAINS);
    88
    89      public final IRI nullValue = createProperty(NS, NULL);
    90  }