[jira] [Updated] (JENA-765) org.apache.jena.riot.RDFDataMgr converter to JSONLD problem

[Andy Seaborne (JIRA)]

     [ 
https://issues.apache.org/jira/browse/JENA-765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Andy Seaborne updated JENA-765:
-------------------------------

    Description: 
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}


  was:
Convertion from N-TRIPLE to JSONLD return a random JSONLD format. For example 
for constatn Ntriples string 'testNtriples' RDFDataMgr.write(osData, 
modelJena.getGraph(), Lang.JSONLD); return random JSONLD string by execution:
a) execution 1 return string:
{
    "@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";
    }
  }, 
...

b) execution 2 return string:
{
  "@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";
  }, 
...

Simple jUnit test:

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-->");

        }

    }
}



> 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
>
> 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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