001/** 002 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=# 003 * This file is part of the LDP4j Project: 004 * http://www.ldp4j.org/ 005 * 006 * Center for Open Middleware 007 * http://www.centeropenmiddleware.com/ 008 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=# 009 * Copyright (C) 2014-2016 Center for Open Middleware. 010 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=# 011 * Licensed under the Apache License, Version 2.0 (the "License"); 012 * you may not use this file except in compliance with the License. 013 * You may obtain a copy of the License at 014 * 015 * http://www.apache.org/licenses/LICENSE-2.0 016 * 017 * Unless required by applicable law or agreed to in writing, software 018 * distributed under the License is distributed on an "AS IS" BASIS, 019 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 020 * See the License for the specific language governing permissions and 021 * limitations under the License. 022 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=# 023 * Artifact : org.ldp4j.framework:ldp4j-application-api:0.2.2 024 * Bundle : ldp4j-application-api-0.2.2.jar 025 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=# 026 */ 027package org.ldp4j.application.vocabulary; 028 029import java.net.URI; 030 031import javax.xml.namespace.QName; 032 033/** 034 * W3C RDF Vocabulary Description Language 1.0 (RDF Schema) Vocabulary. 035 * <p> 036 * This vocabulary provides an informal representation of the terms as defined 037 * in the RDFS SChema specification. Check the specification for normative 038 * reference. 039 * <p> 040 * 041 * <b>Namespace:</b> {@code http://www.w3.org/2000/01/rdf-schema#} <br> 042 * <b>Prefix:</b> {@code rdfs} 043 * 044 * @version 1.0 045 * @since 1.0.0 046 * @author Miguel Esteban Gutiérrez 047 * @see <a href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/">http://www.w3.org/TR/2004/REC-rdf-schema-20040210/</a> 048 */ 049public final class RDFS extends AbstractImmutableVocabulary<ImmutableTerm> { 050 051 private static final long serialVersionUID = 1083533867342570283L; 052 053 /** The namespace of the vocabulary ({@code http://www.w3.org/2000/01/rdf-schema#}) **/ 054 public static final String NAMESPACE = "http://www.w3.org/2000/01/rdf-schema#"; 055 056 /** The preferred prefix of the vocabulary ({@code rdfs}) **/ 057 public static final String NS_PREFIX = "rdfs"; 058 059 /* ---------------------------------------------------------------------- */ 060 /* PROPERTIES */ 061 /* ---------------------------------------------------------------------- */ 062 063 /** 064 * TYPE 065 * <p> 066 * {@code http://www.w3.org/2000/01/rdf-schema#subClassOf}. 067 * <p> 068 * The subject is a subclass of a class. 069 * 070 * @see <a 071 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_subclassof">rdfs:subClassOf</a> 072 */ 073 public static final Term SUB_CLASS_OF; 074 075 /** 076 * FIRST 077 * <p> 078 * {@code http://www.w3.org/2000/01/rdf-schema#subPropertyOf}. 079 * <p> 080 * The subject is a subproperty of a property. 081 * 082 * @see <a 083 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_subpropertyof">rdfs:subPropertyOf</a> 084 */ 085 public static final Term SUB_PROPERTY_OF; 086 087 /** 088 * REST 089 * <p> 090 * {@code http://www.w3.org/2000/01/rdf-schema#domain}. 091 * <p> 092 * A domain of the subject property. 093 * 094 * @see <a 095 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_domain">rdfs:domain</a> 096 */ 097 public static final Term DOMAIN; 098 099 /** 100 * VALUE 101 * <p> 102 * {@code http://www.w3.org/2000/01/rdf-schema#range}. 103 * <p> 104 * A range of the subject property. 105 * 106 * @see <a 107 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_range">rdfs:range</a> 108 */ 109 public static final Term RANGE; 110 111 /** 112 * SUBJECT 113 * <p> 114 * {@code http://www.w3.org/2000/01/rdf-schema#label}. 115 * <p> 116 * A human-readable name for the subject. 117 * 118 * @see <a 119 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_label">rdfs:label</a> 120 */ 121 public static final Term LABEL; 122 123 /** 124 * PREDICATE 125 * <p> 126 * {@code http://www.w3.org/2000/01/rdf-schema#comment}. 127 * <p> 128 * A description of the subject resource. 129 * 130 * @see <a 131 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_comment">rdfs:comment</a> 132 */ 133 public static final Term COMMENT; 134 135 /** 136 * OBJECT 137 * <p> 138 * {@code http://www.w3.org/2000/01/rdf-schema#member}. 139 * <p> 140 * A member of the subject resource. 141 * 142 * @see <a 143 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_member">rdfs:member</a> 144 */ 145 public static final Term MEMBER; 146 147 /** 148 * SEE_ALSO 149 * <p> 150 * {@code http://www.w3.org/2000/01/rdf-schema#seeAlso}. 151 * <p> 152 * Further information about the subject resource. 153 * 154 * @see <a 155 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_seealso">rdfs:seeAlso</a> 156 */ 157 public static final Term SEE_ALSO; 158 159 /** 160 * IS_DEFINED_BY 161 * <p> 162 * {@code http://www.w3.org/2000/01/rdf-schema#isDefinedBy}. 163 * <p> 164 * The definition of the subject resource. 165 * 166 * @see <a 167 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_isdefinedby">rdfs:isDefinedBy</a> 168 */ 169 public static final Term IS_DEFINED_BY; 170 171 /* ---------------------------------------------------------------------- */ 172 /* CLASSES */ 173 /* ---------------------------------------------------------------------- */ 174 175 /** 176 * XML_LITERAL 177 * <p> 178 * {@code http://www.w3.org/2000/01/rdf-schema#Resource}. 179 * <p> 180 * The class resource, everything. 181 * 182 * @see <a 183 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_resource">rdfs:Resource</a> 184 */ 185 public static final Term RESOURCE; 186 187 /** 188 * PROPERTY 189 * <p> 190 * {@code http://www.w3.org/2000/01/rdf-schema#Literal}. 191 * <p> 192 * The class of literal values, e.g. textual strings and integers. 193 * 194 * @see <a 195 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_literal">rdfs:Literal</a> 196 */ 197 public static final Term LITERAL; 198 199 /** 200 * STATEMENT 201 * <p> 202 * {@code http://www.w3.org/2000/01/rdf-schema#Class}. 203 * <p> 204 * The class of classes. 205 * 206 * @see <a 207 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_class">rdfs:Class</a> 208 */ 209 public static final Term CLASS; 210 211 /** 212 * BAG 213 * <p> 214 * {@code http://www.w3.org/2000/01/rdf-schema#Datatype}. 215 * <p> 216 * The class of RDF datatypes. 217 * 218 * @see <a 219 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_datatype">rdfs:Datatype</a> 220 */ 221 public static final Term DATATYPE; 222 223 /** 224 * SEQ 225 * <p> 226 * {@code http://www.w3.org/2000/01/rdf-schema#Container}. 227 * <p> 228 * The class of RDF containers. 229 * 230 * @see <a 231 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_container">rdfs:Container</a> 232 */ 233 public static final Term CONTAINER; 234 235 /** 236 * ALT 237 * <p> 238 * {@code http://www.w3.org/2000/01/rdf-schema#ContainerMembershipProperty}. 239 * <p> 240 * The class of container membership properties, {@code rdf:_1}, 241 * {@code rdf:_2}, ..., all of which are sub-properties of 242 * {@code rdfs:member}. 243 * 244 * @see <a 245 * href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/#ch_containermembershipproperty">rdfs:ContainerMembershipProperty</a> 246 */ 247 public static final Term CONTAINER_MEMBERSHIP_PROPERTY; 248 249 /** The unique instance of the vocabulary **/ 250 private static final RDFS VOCABULARY=new RDFS(); 251 252 static { 253 // Initialize properties 254 SUB_CLASS_OF=term("subClassOf"); 255 SUB_PROPERTY_OF=term("subPropertyOf"); 256 DOMAIN=term("domain"); 257 RANGE=term("range"); 258 LABEL=term("label"); 259 COMMENT=term("comment"); 260 MEMBER=term("member"); 261 SEE_ALSO=term("seeAlso"); 262 IS_DEFINED_BY=term("isDefinedBy"); 263 // Initialize classes 264 RESOURCE=term("Resource"); 265 LITERAL=term("Literal"); 266 CLASS=term("Class"); 267 DATATYPE=term("Datatype"); 268 CONTAINER=term("Container"); 269 CONTAINER_MEMBERSHIP_PROPERTY=term("ContainerMembershipProperty"); 270 VOCABULARY.initialize(); 271 } 272 273 private RDFS() { 274 super(ImmutableTerm.class,RDFS.NAMESPACE,RDFS.NS_PREFIX); 275 } 276 277 /** 278 * Create a term 279 * 280 * @param localPart 281 * The local part of the term's URI 282 * @return A {@code LDPTerm} instance that represents the term. 283 */ 284 private static Term term(final String localPart) { 285 return new ImmutableTerm(VOCABULARY,localPart); 286 } 287 288 /** 289 * Retrieve the LDP vocabulary instance. 290 * @return Return the unique instance of the vocabulary. 291 */ 292 public static RDFS getInstance() { 293 return RDFS.VOCABULARY; 294 } 295 296 /** 297 * Get the terms of the vocabulary 298 * 299 * @return An array with all the terms of the vocabulary. 300 */ 301 public static Term[] values() { 302 return getInstance().terms(); 303 } 304 305 /** 306 * Find the term that matches the specified name. 307 * 308 * @param term 309 * A {@code String}-based representation of the term's name. 310 * @return The {@code Term} that matches the specified name. 311 */ 312 public static Term valueOf(final String term) { 313 return getInstance().fromName(term); 314 } 315 316 /** 317 * Find the term that matches the specified URI. 318 * 319 * @param term 320 * A {@code QName}-based representation of the term's URI. 321 * @return The {@code Term} that matches the specified URI. 322 * @see javax.xml.namespace.QName 323 */ 324 public static Term valueOf(final QName term) { 325 return getInstance().fromValue(term); 326 } 327 328 /** 329 * Find the term that matches the specified URI. 330 * 331 * @param term 332 * A {@code URI}-based representation of the term's URI. 333 * @return The {@code LDPTerm} that matches the specified URI. 334 * @see java.net.URI 335 */ 336 public static Term valueOf(final URI term) { 337 return getInstance().fromValue(term); 338 } 339 340}