Package org.openrdf.model

Examples of org.openrdf.model.Literal

188
189
190
191
192
193
194
195
196
197
198
        NodeList titles = in.getElementsByTagName("title");
        // just one title is allowed.
        if (titles.getLength() == 1) {
            Node title = titles.item(0);
            String titleValue = title.getTextContent();
            Literal object;
            String lang = getLanguage(title);
            if (lang == null) {
                // unable to decide the language, leave it unknown
                object = RDFUtils.literal(titleValue);
            } else {
View Full Code Here
349
350
351
352
353
354
355
356
357
358
359
    ) {
        if (content.contains(":")) {
            // if it contains U+003A COLON, exit
            return;
        }
        Literal subject;
        if (language == null) {
            // ok, we don't know the language
            subject = RDFUtils.literal(content);
        } else {
            subject = RDFUtils.literal(content, language);
View Full Code Here
379
380
381
382
383
384
385
386
387
388
389
            String name,
            String content,
            String language,
            URI documentURI,
            ExtractionResult out) {
        Literal subject;
        if (language == null) {
            // ok, we don't know the language
            subject = RDFUtils.literal(content);
        } else {
            subject = RDFUtils.literal(content, language);
View Full Code Here
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
        }
    }

    @Test
    public void testCreateLiteralWithNullArgumentWorks() {
        Literal l;
        try {
            l = ValueFactoryImpl.getInstance().createLiteral((String) null);
        } catch (AssertionError ae) {
            // Expected when assertions are enabled.
            return;
        }
        assertNotNull(l);
        assertNull(l.stringValue());
        assertEquals(l, l);
    }
View Full Code Here
237
238
239
240
241
242
243
244
245
246
247
248
249
        parent.appendChild(eR);
      }
     
      else if (end instanceof Literal)
      {
        Literal l = (Literal)end;
        ValueFactory f = dataRepo.getValueFactory();
        URI r = f.createURI(l.getLabel());
        if (r == null)
          continue;
        Element eR = createResourceElement(fd, dataRepo, doc, sl, null, r, Constants.DEFAULT_MAX_DEPTH);
        parent.appendChild(eR);
      }
View Full Code Here
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
              eR = createResourceElement(fd, dataRepo, doc, sl, null, r, mqueryResults.get(value), Constants.DEFAULT_MAX_DEPTH, mres);
              parent.appendChild(eR);
            }
            else if (end instanceof Literal)
            {
              Literal l = (Literal)end;
              ValueFactory f = dataRepo.getValueFactory();
              URI r = f.createURI(l.getLabel());
              if (r == null)
                continue;
              Element eR;
              //serialize meta knowledge or not
              eR = createResourceElement(fd, dataRepo, doc, sl, null, r, mqueryResults.get(value), Constants.DEFAULT_MAX_DEPTH, mres);
              parent.appendChild(eR);
            }
            else if (end instanceof Statement)
            {
              String error = "Render Error: SPARQL query must end on node";
              throw new ParserConfigurationException(error);
            }
          }         
        }else{       
          //return values without metadata
          fr.inria.jfresnel.sparql.sesame.SPARQLSesameEvaluator fsse = new fr.inria.jfresnel.sparql.sesame.SPARQLSesameEvaluator();     
          fsse.setDataRepository(dataRepo);
          Vector queryResults = fsse.evaluateQuery(new SPARQLQuery(query));
          for (int k=0; k<queryResults.size(); k++) {
            Object end = queryResults.get(k);
            //resources++;
            if (end instanceof Resource)
            {
              Resource r = (Resource)end;
              Element eR = createResourceElement(fd, dataRepo, doc, sl, null, r, Constants.DEFAULT_MAX_DEPTH);
              parent.appendChild(eR);
            }
            else if (end instanceof Literal)
            {
              Literal l = (Literal)end;
              ValueFactory f = dataRepo.getValueFactory();
              URI r = f.createURI(l.getLabel());
              if (r == null)
                continue;
              Element eR = createResourceElement(fd, dataRepo, doc, sl, null, r, Constants.DEFAULT_MAX_DEPTH);
              parent.appendChild(eR);
            }
            else if (end instanceof Statement)
            {
              String error = "Render Error: SPARQL query must end on node";
              throw new ParserConfigurationException(error);
            }
          }
        }
      }
    }
    //still not extended to return results with metadata!
    else if (renderLens.getFSLInstanceDomains() != null)
    {
      System.out.println("Rendering getFSLInstanceDomains()...");
      FSLPath[] fid = renderLens.getFSLInstanceDomains();
      SesameLens sl = (SesameLens)renderLens;     
      FSLSesameEvaluator fse = new FSLSesameEvaluator();
      fse.setDataRepository(dataRepo);
      for (int i = 0; i < fid.length; i++)
      {
        //resources ++;
        Vector pathInstances = fse.evaluatePath(fid[i]);
        for (int k=0; k<pathInstances.size(); k++) {
        Object end = ((Vector)pathInstances.get(k)).get(0);
       
        if (end instanceof Resource)
        {
          Resource r = (Resource)end;
          Element eR = createResourceElement(fd, dataRepo, doc, sl, null, r, Constants.DEFAULT_MAX_DEPTH);         
          parent.appendChild(eR);
        }
       
        else if (end instanceof Literal)
        {
          Literal l = (Literal)end;
          ValueFactory f = dataRepo.getValueFactory();
          URI r = f.createURI(l.getLabel());
          if (r == null)
            continue;
          Element eR = createResourceElement(fd, dataRepo, doc, sl, null, r, Constants.DEFAULT_MAX_DEPTH);
          parent.appendChild(eR);
        }
View Full Code Here
73
74
75
76
77
78
79
80
81
82
83
84
85
86
     * {@link Representation#get(String, String...)}).
     */
    @Test
    public void testPlainLiteralToTextConversion(){
        String field = "urn:test.RdfRepresentation:test.field";
        Literal noLangLiteral = valueFactory.getSesameFactory().createLiteral("A plain literal without Language");
        Literal enLiteral = valueFactory.getSesameFactory().createLiteral("An english literal","en");
        Literal deLiteral = valueFactory.getSesameFactory().createLiteral("Ein Deutsches Literal","de");
        Literal deATLiteral = valueFactory.getSesameFactory().createLiteral("Ein Topfen Verband hilft bei Zerrungen","de-AT");
        Collection<Literal> plainLiterals = Arrays.asList(noLangLiteral,enLiteral,deLiteral,deATLiteral);
        Representation rep = createRepresentation(null);
        rep.add(field, plainLiterals);
        //now test, that the Plain Literals are available as natural language
        //tests via the Representation Interface!
View Full Code Here
117
118
119
120
121
122
123
124
125
126
127
128
129
     * texts without language.
     */
    @Test
    public void testTypedLiteralToTextConversion(){
        String field = "urn:test.RdfRepresentation:test.field";
        Literal stringLiteral = valueFactory.getSesameFactory().createLiteral("This is a stirng value", XMLSchema.STRING);
        //also add an integer to test that other typed literals are not used as texts
        Literal integerLiteral = valueFactory.getSesameFactory().createLiteral(5);
        Representation rep = createRepresentation(null);
        rep.add(field, Arrays.asList(stringLiteral,integerLiteral));
        //test if the literal is returned when asking for natural language text without language
        Iterator<Text> noLangTexts = rep.get(field, (String)null);
        assertTrue(noLangTexts.hasNext());
View Full Code Here
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
    @SuppressWarnings("unchecked")
    @Test
    public void testTypedLiteralToValueConversion(){
        String field = "urn:test.RdfRepresentation:test.field";
        Integer integerValue = 5;
        Literal integerLiteral = valueFactory.getSesameFactory().createLiteral(integerValue);
        Date dateValue = new Date();
        Literal dateLiteeral = valueFactory.getSesameFactory().createLiteral(dateValue);
        Double doubleValue = Math.PI;
        Literal doubleLiteral = valueFactory.getSesameFactory().createLiteral(doubleValue);
        String stringValue = "This is a string literal value";
        Literal stringLiteral = valueFactory.getSesameFactory().createLiteral(stringValue,XMLSchema.STRING);
        Representation rep = createRepresentation(null);
        Collection<Literal> typedLiterals =
            Arrays.asList(integerLiteral,doubleLiteral,stringLiteral,dateLiteeral);
        rep.add(field, typedLiterals);
       
        //now check that such values are available via Sesame Literal
        Iterator<Literal> typedLiteralValues = rep.get(field, Literal.class);
        int size = 0;
        while(typedLiteralValues.hasNext()){
            Literal next = typedLiteralValues.next();
            assertTrue(typedLiterals.contains(next));
            size++;
        }
        assertTrue(typedLiterals.size() == size);
       
View Full Code Here
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
        if(sesameType != null){
            return sesameType.isAssignableFrom(object.getClass());
        } else if(referenceState && object instanceof URI || object instanceof BNode){
            return true;
        } else if(object instanceof Literal){
            Literal literal = (Literal)object;
            //TODO: adapt to RDF1.1:
            if(plainLiteralState && ( literal.getDatatype() == null ||
                    XMLSchema.STRING.equals(literal.getDatatype())) && (
                    languages == null || languages.contains(literal.getLanguage()))){
                return true;
            } else if(!plainLiteralState && xmlTypes != null && literal.getDatatype() != null){
                return xmlTypes.contains(literal.getDatatype());
            } else { //wrong literal type
                return false;
            }
        } else { //wrong Value type or not a Value at all
            return false;
View Full Code Here
TOP

Related Classes of org.openrdf.model.Literal

  • com.clarkparsia.empire.annotation.RdfGenerator$ValueToObject
  • com.clarkparsia.empire.codegen.BeanGenerator
  • com.github.jsonldjava.sesame.SesameJSONLDWriterTest
  • com.github.jsonldjava.sesame.SesameRDFParser
  • com.tinkerpop.blueprints.impls.sail.SailVertex
  • com.tinkerpop.blueprints.oupls.sail.pg.PropertyGraphSailConnection
  • com.tinkerpop.blueprints.oupls.sail.SailTest
  • de.fuberlin.wiwiss.marbles.SameAsInferencerTest
  • edu.mit.simile.fresnel.results.Selection
  • net.fortytwo.linkeddata.CachingMetadata
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.