Examples of org.apache.stanbol.entityhub.servicesapi.model.ValueFactory.createReference()

Package org.apache.stanbol.entityhub.servicesapi.model

Class org.apache.stanbol.entityhub.servicesapi.model.ValueFactory

Examples of org.apache.stanbol.entityhub.servicesapi.model.ValueFactory.createReference()

org.apache.stanbol.entityhub.servicesapi.model.ValueFactory.createReference()
Creates a reference instance for the parsed value. Implementations might support special support for specific classes. As an default the {@link Object#toString()} method is used to get the unicode representationof the reference.
Implementation MUST support at least the following types:
- {@link String}: The parsed string need not be be checked for a valid IRI, URI or URL in any form. However in case of an empty String a {@link IllegalArgumentException} MUST BE thrown)
- {@link URI}: Any valid URI MUST BE accepted
- {@link URL}: any valid URL MUST BE accepted
@param value the unicode representation of the reference @return the reference instance @throws UnsupportedTypeException if the type of the parsed object cannot be converted to a Reference. @throws IllegalArgumentException if the parsed value is null or if the parsed value can not be used to create a valid Reference (e.g. when parsing an empty String)

            return Collections.emptyMap();
        }


        Representation representation;
        for (String context : contexts) {
            representation = ldPath.execute(vf.createReference(context), program);
            Iterator<String> fieldNames = representation.getFieldNames();
            while (fieldNames.hasNext()) {
                String fieldName = fieldNames.next();
                Iterator<Object> valueIterator = representation.get(fieldName);
                if (!valueIterator.hasNext()) continue;

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     */
    @Test
    public void testRemovalOfTypeRepresentationStatement() throws YardException {
        Yard yard = getYard();
        ValueFactory vf = yard.getValueFactory();
        Reference representationType = vf.createReference(RdfResourceEnum.Representation.getUri());
        Representation test = create();
        //the rdf:type Representation MUST NOT be within the Representation
        Assert.assertFalse(test.get(RDF.type.getUnicodeString()).hasNext());
        //now add the statement and see if an IllegalStateException is thrown
        /*

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     */
    @Test
    public void testRemovalOfTypeRepresentationStatement() throws YardException {
        Yard yard = getYard();
        ValueFactory vf = yard.getValueFactory();
        Reference representationType = vf.createReference(RdfResourceEnum.Representation.getUri());
        Representation test = create();
        //the rdf:type Representation MUST NOT be within the Representation
        Assert.assertFalse(test.get(NamespaceEnum.rdf+"type").hasNext());
        //now add the statement and see if an IllegalStateException is thrown
        /*

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        rep.addReference(field, strRef);
        assertTrue(asCollection(rep.getFieldNames()).contains(field));
        rep.removeReference(field, strRef);
        assertFalse(asCollection(rep.getFieldNames()).contains(field));


        Reference ref = vf.createReference("urn:testValue2");
        rep.add(field, ref);
        assertTrue(asCollection(rep.getFieldNames()).contains(field));
        rep.remove(field, ref);
        assertFalse(asCollection(rep.getFieldNames()).contains(field));

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        assertFalse(refs.hasNext());
        // test multiple adds do not generate duplicate References
        rep.add(field, uri);
        assertTrue(asCollection(rep.get(field)).size() == 1);
        // test adding a equivalent reference
        rep.add(field, vf.createReference(uri.toString()));
        assertTrue(asCollection(rep.get(field)).size() == 1);
        // test removing
        rep.remove(field, uri);
        assertFalse(rep.get(field).hasNext());
    }

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        assertFalse(refs.hasNext());
        // test multiple adds do not generate duplicate References
        rep.add(field, url);
        assertTrue(asCollection(rep.get(field)).size() == 1);
        // test adding a equivalent reference
        rep.add(field, vf.createReference(url.toString()));
        assertTrue(asCollection(rep.get(field)).size() == 1);
        // test removing
        rep.remove(field, url);
        assertFalse(rep.get(field).hasNext());

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    @Test
    public void testMultipleAddAndRemove() throws MalformedURLException, URISyntaxException {
        String field = "urn:the.field:used.for.this.Test";
        ValueFactory vf = getValueFactory();
        Representation rep = createRepresentation(null);
        Reference ref = vf.createReference("http://www.test.org/test");
        Text text = vf.createText("test", "en");
        Integer i = 42;
        Double d = Math.PI;
        URI uri = new URI("http://www.test.org/uriTest");
        URL url = new URL("http://www.test.org/urlTest");

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     *            the object representing the reference
     * @return the created {@link Reference} that can be used to perform further tests.
     */
    private Reference testRef(Object refObject) {
        ValueFactory vf = getValueFactory();
        Reference ref = vf.createReference(refObject);
        // check not null
        assertNotNull(ref);
        // check reference is not null
        assertNotNull(ref.getReference());
        return ref;

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        rep.addReference(field, strRef);
        assertTrue(asCollection(rep.getFieldNames()).contains(field));
        rep.removeReference(field, strRef);
        assertFalse(asCollection(rep.getFieldNames()).contains(field));


        Reference ref = vf.createReference("urn:testValue2");
        rep.add(field, ref);
        assertTrue(asCollection(rep.getFieldNames()).contains(field));
        rep.remove(field, ref);
        assertFalse(asCollection(rep.getFieldNames()).contains(field));

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        assertFalse(refs.hasNext());
        // test multiple adds do not generate duplicate References
        rep.add(field, uri);
        assertTrue(asCollection(rep.get(field)).size() == 1);
        // test adding a equivalent reference
        rep.add(field, vf.createReference(uri.toString()));
        assertTrue(asCollection(rep.get(field)).size() == 1);
        // test removing
        rep.remove(field, uri);
        assertFalse(rep.get(field).hasNext());
    }

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