Package org.apache.stanbol.commons.jsonld

Examples of org.apache.stanbol.commons.jsonld.JsonLd

81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
            !deParameterizedIdentifier.equalsIgnoreCase(APPLICATION_JSON)) {
            logger.info("serialize() the format '" + deParameterizedIdentifier + "' is not supported by this implementation");
            return;
        }

        JsonLd jsonLd = new JsonLd();
        // If there is no namespace prefix map set, we use the namespaces
        // known from the NamespaceEnum
        if (this.namespacePrefixMap.isEmpty()) {
            for (NamespaceEnum ns : NamespaceEnum.values()) {
                logger.debug("Adding JSON-LD namespace " + ns.getPrefix() + ":" + ns.getNamespace());
                this.namespacePrefixMap.put(ns.getNamespace(), ns.getPrefix());
            }
        }
        jsonLd.setNamespacePrefixMap(this.namespacePrefixMap);
        jsonLd.setUseTypeCoercion(this.useTypeCoercion);

        Map<NonLiteral, String> subjects = createSubjectsMap(tc);
        for (NonLiteral subject : subjects.keySet()) {
            JsonLdResource resource = new JsonLdResource();
           
            String strSubject = subject.toString();
            if (subject instanceof UriRef) {
                UriRef uri = (UriRef) subject;
                strSubject = uri.getUnicodeString();
            }
            resource.setSubject(strSubject);

            Iterator<Triple> triplesFromSubject = tc.filter(subject, null, null);
            while (triplesFromSubject.hasNext()) {
                Triple currentTriple = triplesFromSubject.next();
                if (currentTriple.getPredicate().getUnicodeString().equals(RDF_NS_TYPE)) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("serialize() adding rdf:type: \"a\":" + currentTriple.getObject());
                    }
                    resource.addType(((UriRef) currentTriple.getObject()).getUnicodeString());
                } else {
                    if (logger.isDebugEnabled()) {
                        logger.debug("serializer() adding predicate " + currentTriple.getPredicate().toString() + " with object " + currentTriple.getObject().toString());
                    }

                    String property = currentTriple.getPredicate().getUnicodeString();
                    JsonLdProperty jldProperty = resource.getProperty(property);
                    if (jldProperty == null) {
                        jldProperty = new JsonLdProperty(property);
                    }
                   
                    String strValue = currentTriple.getObject().toString();
                    JsonLdPropertyValue jldValue = new JsonLdPropertyValue();

                    if (currentTriple.getObject() instanceof PlainLiteral) {
                        PlainLiteral plain = (PlainLiteral) currentTriple.getObject();
                        if (plain.getLanguage() != null) {
                            jldValue.setLanguage(plain.getLanguage().toString());
                        }
                        strValue = plain.getLexicalForm();
                    }
                    else if (currentTriple.getObject() instanceof TypedLiteral) {
                        TypedLiteral typedObject = (TypedLiteral) currentTriple.getObject();
                        String type = typedObject.getDataType().getUnicodeString();
                        jldValue.setType(type);
                        strValue = typedObject.getLexicalForm();
                    }
                    else if (currentTriple.getObject() instanceof UriRef) {
                        UriRef uriRef = (UriRef) currentTriple.getObject();
                        jldValue.setType(JsonLdCommon.ID);
                        strValue = uriRef.getUnicodeString();
                    }
                   
                    jldValue.setValue(convertValueType(strValue));
                    jldProperty.addValue(jldValue);
                    resource.putProperty(jldProperty);
                }
            }

            jsonLd.put(resource.getSubject(), resource);
        }

        try {
            BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(serializedGraph,"utf-8"));
            writer.write(jsonLd.toString(this.indentation));
            writer.flush();
        } catch (IOException ioe) {
            logger.error(ioe.getMessage());
            throw new RuntimeException(ioe.getMessage());
        }
View Full Code Here
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
        if (!deParameterizedIdentifier.equalsIgnoreCase(SUPPORTED_FORMAT)) {
            logger.info("serialize() the format '" + deParameterizedIdentifier + "' is not supported by this implementation");
            return;
        }

        JsonLd jsonLd = new JsonLd();
        // If there is no namespace prefix map set, we use the namespaces
        // known from the NamespaceEnum
        if (this.namespacePrefixMap.isEmpty()) {
            for (NamespaceEnum ns : NamespaceEnum.values()) {
                logger.debug("Adding JSON-LD namespace " + ns.getPrefix() + ":" + ns.getNamespace());
                this.namespacePrefixMap.put(ns.getNamespace(), ns.getPrefix());
            }
        }
        jsonLd.setNamespacePrefixMap(this.namespacePrefixMap);
        jsonLd.setUseTypeCoercion(this.useTypeCoercion);

        Map<NonLiteral, String> subjects = createSubjectsMap(tc);
        for (NonLiteral subject : subjects.keySet()) {
            JsonLdResource resource = new JsonLdResource();
           
            String strSubject = subject.toString();
            if (subject instanceof UriRef) {
                UriRef uri = (UriRef) subject;
                strSubject = uri.getUnicodeString();
            }
            resource.setSubject(strSubject);

            Iterator<Triple> triplesFromSubject = tc.filter(subject, null, null);
            while (triplesFromSubject.hasNext()) {
                Triple currentTriple = triplesFromSubject.next();
                if (currentTriple.getPredicate().getUnicodeString().equals(RDF_NS_TYPE)) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("serialize() adding rdf:type: \"a\":" + currentTriple.getObject());
                    }
                    resource.addType(((UriRef) currentTriple.getObject()).getUnicodeString());
                } else {
                    if (logger.isDebugEnabled()) {
                        logger.debug("serializer() adding predicate " + currentTriple.getPredicate().toString() + " with object " + currentTriple.getObject().toString());
                    }

                    String property = currentTriple.getPredicate().getUnicodeString();
                    JsonLdProperty jldProperty = resource.getProperty(property);
                    if (jldProperty == null) {
                        jldProperty = new JsonLdProperty(property);
                    }
                   
                    String strValue = currentTriple.getObject().toString();
                    JsonLdPropertyValue jldValue = new JsonLdPropertyValue();

                    if (currentTriple.getObject() instanceof PlainLiteral) {
                        PlainLiteral plain = (PlainLiteral) currentTriple.getObject();
                        if (plain.getLanguage() != null) {
                            jldValue.setLanguage(plain.getLanguage().toString());
                        }
                        strValue = plain.getLexicalForm();
                    }
                    else if (currentTriple.getObject() instanceof TypedLiteral) {
                        TypedLiteral typedObject = (TypedLiteral) currentTriple.getObject();
                        String type = typedObject.getDataType().getUnicodeString();
                        jldValue.setType(type);
                        strValue = typedObject.getLexicalForm();
                    }
                    else if (currentTriple.getObject() instanceof UriRef) {
                        UriRef uriRef = (UriRef) currentTriple.getObject();
                        jldValue.setType(JsonLdCommon.ID);
                        strValue = uriRef.getUnicodeString();
                    }
                   
                    jldValue.setValue(convertValueType(strValue));
                    jldProperty.addValue(jldValue);
                    resource.putProperty(jldProperty);
                }
            }

            jsonLd.put(resource.getSubject(), resource);
        }

        try {
            BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(serializedGraph,"utf-8"));
            writer.write(jsonLd.toString(this.indentation));
            writer.flush();
        } catch (IOException ioe) {
            logger.error(ioe.getMessage());
            throw new RuntimeException(ioe.getMessage());
        }
View Full Code Here
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
       
        return fact;
    }

    public JsonLd factToJsonLd() {
        JsonLd jsonLd = new JsonLd();
       
        JsonLdResource subject = new JsonLdResource();
        subject.setProfile(this.factSchemaURN);
        for (String role : this.roleMap.keySet()) {
            subject.putProperty(role, this.roleMap.get(role));
        }
        jsonLd.put(subject);
       
        return jsonLd;
    }
View Full Code Here
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
    }
    rows.add(result);
  }

  public String toJSON() {
    JsonLd root = new JsonLd();
    if (rows != null && !rows.isEmpty()) {
        int rowCount = 0;
      for (FactResult result : rows) {
          rowCount++;
          JsonLdResource subject = new JsonLdResource();
          subject.setSubject("R" + rowCount);
        for (int i = 0; i < header.size(); i++) {
          subject.putProperty(header.get(i), result.getValues().get(i));
        }
        root.put(subject);
      }
    }

    return root.toString();
  }
View Full Code Here
76
77
78
79
80
81
82
83
84
85
86
        ResponseBuilder rb = Response.status(Status.BAD_REQUEST).entity("No query sent.");
        CorsHelper.addCORSOrigin(servletContext, rb, requestHeaders);
      return rb.build();
    }

    JsonLd jsonLdQuery = null;
    try {
      jsonLdQuery = JsonLdParser.parse(queryString);
    } catch (Exception e) {
      logger.info("Could not parse query", e);
      ResponseBuilder rb = Response.status(Status.BAD_REQUEST).entity(
View Full Code Here
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
    @POST
    @Consumes(MediaType.APPLICATION_JSON)
    @Produces(MediaType.TEXT_PLAIN)
    public Response postFacts(String jsonLdFacts, @Context HttpHeaders requestHeaders) {
        JsonLd jsonLd = null;
        try {
            jsonLd = JsonLdParser.parse(jsonLdFacts);
        } catch (Exception e) {
            /* ignore here */
        }

        if (jsonLd == null) {
          ResponseBuilder rb = Response.status(Status.BAD_REQUEST).entity("Could not parse provided JSON-LD structure.")
                    .type(MediaType.TEXT_PLAIN);
          CorsHelper.addCORSOrigin(servletContext, rb, requestHeaders);
            return rb.build();
        }

        int factId = -1;
        if (jsonLd.getResourceSubjects().size() < 2) {
            // post a single fact
            Fact fact = Fact.factFromJsonLd(jsonLd);
            if (fact != null) {
                logger.info("Request for posting new fact for {}", fact.getFactSchemaURN());
                try {
View Full Code Here
316
317
318
319
320
321
322
323
324
325
326
327
                "Could not find fact with ID " + factId + " for fact schema " + factSchemaURN);
            CorsHelper.addCORSOrigin(servletContext, rb, requestHeaders);
            return rb.build();
        }
        else {
            JsonLd factAsJsonLd = fact.factToJsonLd();
            ResponseBuilder rb = Response.status(Status.OK).entity(factAsJsonLd.toString())
                    .type(MediaType.APPLICATION_JSON);
            CorsHelper.addCORSOrigin(servletContext, rb, requestHeaders);
            return rb.build();
        }
    }
View Full Code Here
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
                "Could not find fact with ID " + factId + " for fact schema " + factSchemaURN);
            CorsHelper.addCORSOrigin(servletContext, rb, requestHeaders);
            return rb.build();
        }
        else {
            JsonLd factAsJsonLd = fact.factToJsonLd();
           
            StringBuilder sb = new StringBuilder();
            sb.append("<html><body>");
            sb.append("<pre>");
            sb.append(factAsJsonLd.toString(2));
            sb.append("</pre>");
            sb.append("</body></html>");
           
            ResponseBuilder rb = Response.status(Status.OK).entity(sb.toString()).type(MediaType.TEXT_HTML);
            CorsHelper.addCORSOrigin(servletContext, rb, requestHeaders);
View Full Code Here
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
        }
    }
   
    @Test
    public void testFactsFromJsonLdMultiFactsMultiSchema() {
        JsonLd jsonLd = new JsonLd();
        jsonLd.addNamespacePrefix("http://iks-project.eu/ont/", "iks");
        jsonLd.addNamespacePrefix("http://upb.de/persons/", "upb");
       
        JsonLdResource fact1Resource = new JsonLdResource();
        fact1Resource.setSubject("fact1");
        fact1Resource.setProfile("iks:employeeOf");
        fact1Resource.putProperty("person", new JsonLdIRI("upb:bnagel"));
        fact1Resource.putProperty("organization", new JsonLdIRI("http://uni-paderborn.de"));
        jsonLd.put(fact1Resource);

        JsonLdResource fact2Resource = new JsonLdResource();
        fact2Resource.setSubject("fact2");
        fact2Resource.setProfile("iks:friendOf");
        fact2Resource.putProperty("person", new JsonLdIRI("upb:bnagel"));
        fact2Resource.putProperty("friend", new JsonLdIRI("upb:fchrist"));
        jsonLd.put(fact2Resource);
       
        Set<Fact> facts = Fact.factsFromJsonLd(jsonLd);
        assertNotNull(facts);
        assertEquals(2, facts.size());
        boolean fact1OK = false;
View Full Code Here
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
public class QueryTest {

    @Test
    public void testToQueryFromJsonLd() throws Exception {
        JsonLd jldq = new JsonLd();
        jldq.addNamespacePrefix("http://iks-project.eu/ont/", "iks");
       
        JsonLdResource subject = new JsonLdResource();
        List<String> select = new ArrayList<String>();
        select.add("person");
        subject.putProperty("select", select);
        subject.putProperty("from", "iks:employeeOf");

        Map<String, Object> orga = new HashMap<String, Object>();
        orga.put("organization", new JsonLdIRI("http://upb.de"));

        Map<String, Object> eq = new HashMap<String, Object>();
        eq.put("=", orga);
       
        List<Object> where = new ArrayList<Object>();
        where.add(eq);
       
        subject.putProperty("where", where);
       
        jldq.put(subject);
       
        Query query = Query.toQueryFromJsonLd(jldq);
        assertNotNull(query);
       
        assertNotNull(query.getFromSchemaURN());
View Full Code Here
TOP

Related Classes of org.apache.stanbol.commons.jsonld.JsonLd

  • org.apache.stanbol.commons.web.base.writers.JsonLdSerializerProvider
  • org.apache.stanbol.factstore.model.Fact
  • org.apache.stanbol.factstore.model.FactResultSet
  • org.apache.stanbol.factstore.model.FactTest
  • org.apache.stanbol.factstore.model.QueryTest
  • org.apache.stanbol.factstore.web.resource.FactsResource
  • org.apache.stanbol.factstore.web.resource.QueryResource
    • 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.