[
https://issues.apache.org/jira/browse/JENA-765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andy Seaborne closed JENA-765.
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> org.apache.jena.riot.RDFDataMgr converter to JSONLD problem
> -----------------------------------------------------------
>
> Key: JENA-765
> URL: https://issues.apache.org/jira/browse/JENA-765
> Project: Apache Jena
> Issue Type: Bug
> Components: RIOT
> Affects Versions: Jena 2.12.0
> Environment: Linux, eclipse, junit test
> Reporter: Marcin
> Assignee: Andy Seaborne
> Priority: Minor
>
> Convertion from N-TRIPLE to JSONLD return a random JSONLD format. For example
> for constant Ntriples string 'testNtriples' {{RDFDataMgr.write(osData,
> modelJena.getGraph(), Lang.JSONLD);}} return random JSONLD string by
> execution:
> a) execution 1 return string:
> {noformat}
> {
> "@id" : "_:b3",
> "@type" : "http://rdf.data-vocabulary.org/#Breadcrumb";,
> "http://rdf.data-vocabulary.org/#title"; : {
> "@language" : "pl",
> "@value" : "Foto"
> },
> "http://rdf.data-vocabulary.org/#url"; : {
> "@id" : "http://www.fake.com/foto.html";
> }
> },
> ...
> {noformat}
> b) execution 2 return string:
> {noformat}
> {
> "@graph" : [ {
> "@id" : "_:b0",
> "@type" : "http://rdf.data-vocabulary.org/#Breadcrumb";,
> "title" : {
> "@language" : "pl",
> "@value" : "Aparaty Cyfrowe Nikon "
> },
> "url" : "http://www.fake.com/site/cat/2/filtr/_283_0_0_0_0_0_0_0_0_0";
> }, {
> "@id" : "_:b1",
> "@type" : "http://rdf.data-vocabulary.org/#Breadcrumb";,
> "title" : {
> "@language" : "pl",
> "@value" : "Foto"
> },
> "url" : "http://www.fake.com/foto.html";
> },
> ...
> {noformat}
> Simple jUnit test:
> {noformat}
> public class RdfaParserTest1 extends AbstractMarkupTest {
> String testNtriples = "<http://www.fake.com>
> <http://opengraph.org/schema/title> \"Nikon D5100 + 18-105 VR\"@pl
> .\n<http://www.fake.com> <http://opengraph.org/schema/type> \"product\"@pl
> .\n<http://www.fake.com> <http://opengraph.org/schema/url>
> \"http://www.skapiec.pl/site/cat/2/comp/2231447\"@pl .\n<http://www.fake.com>
> <http://opengraph.org/schema/image>
> \"http://static3.skapiec.pl/2231447-1-1-6.jpg\"@pl .\n<http://www.fake.com>
> <http://opengraph.org/schema/site_name> \"Skapiec.pl\"@pl
> .\n<http://www.fake.com> <http://www.w3.org/1999/xhtml/vocab#stylesheet>
> <http://www.fake.com/gallery.css?1407830722872> .\n<http://www.fake.com>
> <http://www.w3.org/1999/xhtml/vocab#stylesheet>
> <http://www.fake.com/style.nps.css> .\n<http://www.fake.com>
> <http://www.w3.org/1999/xhtml/vocab#stylesheet>
> <http://www.fake.com/style.header.css?1407830722872> .\n<http://www.fake.com>
> <http://www.w3.org/1999/xhtml/vocab#search>
> <http://www.fake.com/searchengine/skapiec.xml> .\n<http://www.fake.com>
> <http://www.w3.org/1999/xhtml/vocab#icon> <http://www.fake.com/favicon.ico>
> .\n<http://www.fake.com> <http://www.w3.org/1999/xhtml/vocab#stylesheet>
> <http://static2.skapiec.pl/sfx/prettyPhoto/prettyPhoto.css>
> .\n<http://www.fake.com> <http://www.w3.org/1999/xhtml/vocab#stylesheet>
> <http://www.fake.com/sfx/colorbox.css> .\n<http://www.fake.com>
> <http://www.w3.org/1999/xhtml/vocab#start> <http://www.skapiec.pl> .\n_:n0
> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
> <http://rdf.data-vocabulary.org/#Breadcrumb> .\n_:n0
> <http://rdf.data-vocabulary.org/#url> <http://www.fake.com/> .\n_:n0
> <http://rdf.data-vocabulary.org/#title> \"Sk\\uFFFD\\uFFFDpiec.pl\"@pl
> .\n_:n1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
> <http://rdf.data-vocabulary.org/#Breadcrumb> .\n_:n1
> <http://rdf.data-vocabulary.org/#url> <http://www.fake.com/foto.html> .\n_:n1
> <http://rdf.data-vocabulary.org/#title> \"Foto\"@pl .\n_:n2
> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
> <http://rdf.data-vocabulary.org/#Breadcrumb> .\n_:n2
> <http://rdf.data-vocabulary.org/#url>
> <http://www.fake.com/cat/2-aparaty-cyfrowe.html> .\n_:n2
> <http://rdf.data-vocabulary.org/#title> \"Aparaty Cyfrowe\"@pl .\n_:n3
> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
> <http://rdf.data-vocabulary.org/#Breadcrumb> .\n_:n3
> <http://rdf.data-vocabulary.org/#url>
> <http://www.fake.com/site/cat/2/filtr/_283_0_0_0_0_0_0_0_0_0> .\n_:n3
> <http://rdf.data-vocabulary.org/#title> \"Aparaty Cyfrowe Nikon \"@pl .\n_:n4
> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
> <http://rdf.data-vocabulary.org/#Review-aggregate> .\n_:n4
> <http://rdf.data-vocabulary.org/#itemreviewed> \"Nikon D5100 + 18-105 VR\"@pl
> .\n_:n4 <http://rdf.data-vocabulary.org/#average> \"4.58\"@pl .\n_:n4
> <http://rdf.data-vocabulary.org/#worst> \"0\"@pl .\n_:n4
> <http://rdf.data-vocabulary.org/#votes> \"179\"@pl .\n_:n5
> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
> <http://rdf.data-vocabulary.org/#Offer-aggregate> .\n_:n5
> <http://rdf.data-vocabulary.org/#offerCount> \"50\"@pl .\n_:n5
> <http://rdf.data-vocabulary.org/#condition> \"new\"@pl .\n_:n5
> <http://rdf.data-vocabulary.org/#lowPrice> \"2199\"@pl .\n_:n5
> <http://rdf.data-vocabulary.org/#highPrice> \"2711.2\"@pl
> .\n<http://www.fake.com> <http://www.w3.org/1999/xhtml/vocab#copyright>
> <http://www.fake.com/site/doc/7> .\n<http://www.fake.com>
> <http://www.w3.org/1999/xhtml/vocab#index> <http://www.fake.com/site/doc/10>
> .\n<http://www.fake.com> <http://www.w3.org/1999/xhtml/vocab#index>
> <http://www.fake.com/site/doc/150/2/> .";
> @Before
> public void setUp() throws Exception {
> }
> @After
> public void tearDown() throws Exception {
> }
> @Test
> public void test1() throws IOException, SAXException, ParseException,
> JSONException {
> com.hp.hpl.jena.rdf.model.Model modelJena =
> ModelFactory.createDefaultModel();
> modelJena.read(IOUtils.toInputStream(testNtriples),
> "http://www.fake.com";, "N-TRIPLE");
> ByteArrayOutputStream osData = new java.io.ByteArrayOutputStream();
> RDFDataMgr.write(osData, modelJena.getGraph(), Lang.JSONLD);
> @SuppressWarnings("rawtypes")
> Filter fData =
> Filter.filter(Criteria.where("@type").exists(true).and("@type").in("http://rdf.data-vocabulary.org/#Breadcrumb";));
> List<Object> breadcrumbs = JsonPath.read(osData.toString(),
> "$..['@graph'][?]", fData);
> try {
> Object breadcumpPhoto = null;
> for (Object object : breadcrumbs) {
> JSONArray breadcump = (((JSONArray) JsonPath.read(object,
> "$..title[?(@.['@value'] == Foto)].['@value']")));
> if (breadcump.size() != 0) {
> breadcumpPhoto = object;
> }
> }
> System.out.println("<--Test 1 start-->");
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['@value']"));
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['http://rdf.data-vocabulary.org/#url']"));
> System.out.println(JsonPath.read(breadcumpPhoto, "$..url"));
> System.out.println("<--Test 1 end-->");
> } catch (Exception e) {
> System.out.println("Catch yes");
> Object breadcumpPhoto = null;
> for (Object object : breadcrumbs) {
> JSONArray breadcump = (((JSONArray) JsonPath.read(object,
> "$..['http://rdf.data-vocabulary.org/#title'][?(@.['@value'] ==
> Foto)].['@value']")));
> if (breadcump.size() != 0) {
> breadcumpPhoto = object;
> }
> }
> System.out.println("<--Test 1 start-->");
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['@value']"));
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['http://rdf.data-vocabulary.org/#url']"));
> System.out.println(JsonPath.read(breadcumpPhoto, "$..url"));
> System.out.println("<--Test 1 end-->");
> }
> }
> @Test
> public void test2() throws IOException, SAXException, ParseException,
> JSONException {
> com.hp.hpl.jena.rdf.model.Model modelJena =
> ModelFactory.createDefaultModel();
> modelJena.read(IOUtils.toInputStream(testNtriples),
> "http://www.fake.com";, "N-TRIPLE");
> ByteArrayOutputStream osData = new java.io.ByteArrayOutputStream();
> RDFDataMgr.write(osData, modelJena.getGraph(), Lang.JSONLD);
> @SuppressWarnings("rawtypes")
> Filter fData =
> Filter.filter(Criteria.where("@type").exists(true).and("@type").in("http://rdf.data-vocabulary.org/#Breadcrumb";));
> List<Object> breadcrumbs = JsonPath.read(osData.toString(),
> "$..['@graph'][?]", fData);
> try {
> Object breadcumpPhoto = null;
> for (Object object : breadcrumbs) {
> JSONArray breadcump = (((JSONArray) JsonPath.read(object,
> "$..title[?(@.['@value'] == Foto)].['@value']")));
> if (breadcump.size() != 0) {
> breadcumpPhoto = object;
> }
> }
> System.out.println("<--Test 2 start-->");
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['@value']"));
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['http://rdf.data-vocabulary.org/#url']"));
> System.out.println(JsonPath.read(breadcumpPhoto, "$..url"));
> System.out.println("<--Test 2 end-->");
> } catch (Exception e) {
> System.out.println("Catch yes");
> Object breadcumpPhoto = null;
> for (Object object : breadcrumbs) {
> JSONArray breadcump = (((JSONArray) JsonPath.read(object,
> "$..['http://rdf.data-vocabulary.org/#title'][?(@.['@value'] ==
> Foto)].['@value']")));
> if (breadcump.size() != 0) {
> breadcumpPhoto = object;
> }
> }
> System.out.println("<--Test 2 start-->");
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['@value']"));
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['http://rdf.data-vocabulary.org/#url']"));
> System.out.println(JsonPath.read(breadcumpPhoto, "$..url"));
> System.out.println("<--Test 2 end-->");
> }
> }
> @Test
> public void test3() throws IOException, SAXException, ParseException,
> JSONException {
> com.hp.hpl.jena.rdf.model.Model modelJena =
> ModelFactory.createDefaultModel();
> modelJena.read(IOUtils.toInputStream(testNtriples),
> "http://www.fake.com";, "N-TRIPLE");
> ByteArrayOutputStream osData = new java.io.ByteArrayOutputStream();
> RDFDataMgr.write(osData, modelJena.getGraph(), Lang.JSONLD);
> @SuppressWarnings("rawtypes")
> Filter fData =
> Filter.filter(Criteria.where("@type").exists(true).and("@type").in("http://rdf.data-vocabulary.org/#Breadcrumb";));
> List<Object> breadcrumbs = JsonPath.read(osData.toString(),
> "$..['@graph'][?]", fData);
> try {
> Object breadcumpPhoto = null;
> for (Object object : breadcrumbs) {
> JSONArray breadcump = (((JSONArray) JsonPath.read(object,
> "$..title[?(@.['@value'] == Foto)].['@value']")));
> if (breadcump.size() != 0) {
> breadcumpPhoto = object;
> }
> }
> System.out.println("<--Test 3 start-->");
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['@value']"));
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['http://rdf.data-vocabulary.org/#url']"));
> System.out.println(JsonPath.read(breadcumpPhoto, "$..url"));
> System.out.println("<--Test 3 end-->");
> } catch (Exception e) {
> System.out.println("Catch yes");
> Object breadcumpPhoto = null;
> for (Object object : breadcrumbs) {
> JSONArray breadcump = (((JSONArray) JsonPath.read(object,
> "$..['http://rdf.data-vocabulary.org/#title'][?(@.['@value'] ==
> Foto)].['@value']")));
> if (breadcump.size() != 0) {
> breadcumpPhoto = object;
> }
> }
> System.out.println("<--Test 3 start-->");
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['@value']"));
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['http://rdf.data-vocabulary.org/#url']"));
> System.out.println(JsonPath.read(breadcumpPhoto, "$..url"));
> System.out.println("<--Test 3 end-->");
> }
> }
> @Test
> public void test4() throws IOException, SAXException, ParseException,
> JSONException {
> com.hp.hpl.jena.rdf.model.Model modelJena =
> ModelFactory.createDefaultModel();
> modelJena.read(IOUtils.toInputStream(testNtriples),
> "http://www.fake.com";, "N-TRIPLE");
> ByteArrayOutputStream osData = new java.io.ByteArrayOutputStream();
> RDFDataMgr.write(osData, modelJena.getGraph(), Lang.JSONLD);
> @SuppressWarnings("rawtypes")
> Filter fData =
> Filter.filter(Criteria.where("@type").exists(true).and("@type").in("http://rdf.data-vocabulary.org/#Breadcrumb";));
> List<Object> breadcrumbs = JsonPath.read(osData.toString(),
> "$..['@graph'][?]", fData);
> try {
> Object breadcumpPhoto = null;
> for (Object object : breadcrumbs) {
> JSONArray breadcump = (((JSONArray) JsonPath.read(object,
> "$..title[?(@.['@value'] == Foto)].['@value']")));
> if (breadcump.size() != 0) {
> breadcumpPhoto = object;
> }
> }
> System.out.println("<--Test 4 start-->");
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['@value']"));
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['http://rdf.data-vocabulary.org/#url']"));
> System.out.println(JsonPath.read(breadcumpPhoto, "$..url"));
> System.out.println("<--Test 4 end-->");
> } catch (Exception e) {
> System.out.println("Catch yes");
> Object breadcumpPhoto = null;
> for (Object object : breadcrumbs) {
> JSONArray breadcump = (((JSONArray) JsonPath.read(object,
> "$..['http://rdf.data-vocabulary.org/#title'][?(@.['@value'] ==
> Foto)].['@value']")));
> if (breadcump.size() != 0) {
> breadcumpPhoto = object;
> }
> }
> System.out.println("<--Test 4 start-->");
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['@value']"));
> System.out.println(JsonPath.read(breadcumpPhoto,
> "$..['http://rdf.data-vocabulary.org/#url']"));
> System.out.println(JsonPath.read(breadcumpPhoto, "$..url"));
> System.out.println("<--Test 4 end-->");
> }
> }
> }
> {noformat}
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