Example usage for com.fasterxml.jackson.core JsonGenerator writeEndObject

List of usage examples for com.fasterxml.jackson.core JsonGenerator writeEndObject

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Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonGenerator writeEndObject.

Prototype

public abstract void writeEndObject() throws IOException, JsonGenerationException;

Source Link

Document

Method for writing closing marker of a JSON Object value (character '}'; plus possible white space decoration if pretty-printing is enabled).

Usage

From source file:org.bndtools.rt.repository.marshall.CapReqJson.java

public static void writeProviderArray(Map<Requirement, Collection<Capability>> providers,
        JsonGenerator generator) throws IOException {
    generator.writeStartArray();// ww  w. j  a  v a  2 s  .c om

    for (Entry<Requirement, Collection<Capability>> provider : providers.entrySet()) {
        generator.writeStartObject();

        generator.writeFieldName("req");
        writeRequirement(provider.getKey(), generator);

        generator.writeFieldName("providers");
        writeCapabilityArray(provider.getValue(), generator);

        generator.writeEndObject();
    }

    generator.writeEndArray();
}

From source file:org.elasticsearch.client.sniff.ElasticsearchHostsSnifferTests.java

private static SniffResponse buildSniffResponse(ElasticsearchHostsSniffer.Scheme scheme) throws IOException {
    int numNodes = RandomNumbers.randomIntBetween(getRandom(), 1, 5);
    List<HttpHost> hosts = new ArrayList<>(numNodes);
    JsonFactory jsonFactory = new JsonFactory();
    StringWriter writer = new StringWriter();
    JsonGenerator generator = jsonFactory.createGenerator(writer);
    generator.writeStartObject();/*  w w  w.  j  a v a 2  s  .co m*/
    if (getRandom().nextBoolean()) {
        generator.writeStringField("cluster_name", "elasticsearch");
    }
    if (getRandom().nextBoolean()) {
        generator.writeObjectFieldStart("bogus_object");
        generator.writeEndObject();
    }
    generator.writeObjectFieldStart("nodes");
    for (int i = 0; i < numNodes; i++) {
        String nodeId = RandomStrings.randomAsciiOfLengthBetween(getRandom(), 5, 10);
        generator.writeObjectFieldStart(nodeId);
        if (getRandom().nextBoolean()) {
            generator.writeObjectFieldStart("bogus_object");
            generator.writeEndObject();
        }
        if (getRandom().nextBoolean()) {
            generator.writeArrayFieldStart("bogus_array");
            generator.writeStartObject();
            generator.writeEndObject();
            generator.writeEndArray();
        }
        boolean isHttpEnabled = rarely() == false;
        if (isHttpEnabled) {
            String host = "host" + i;
            int port = RandomNumbers.randomIntBetween(getRandom(), 9200, 9299);
            HttpHost httpHost = new HttpHost(host, port, scheme.toString());
            hosts.add(httpHost);
            generator.writeObjectFieldStart("http");
            if (getRandom().nextBoolean()) {
                generator.writeArrayFieldStart("bound_address");
                generator.writeString("[fe80::1]:" + port);
                generator.writeString("[::1]:" + port);
                generator.writeString("127.0.0.1:" + port);
                generator.writeEndArray();
            }
            if (getRandom().nextBoolean()) {
                generator.writeObjectFieldStart("bogus_object");
                generator.writeEndObject();
            }
            generator.writeStringField("publish_address", httpHost.toHostString());
            if (getRandom().nextBoolean()) {
                generator.writeNumberField("max_content_length_in_bytes", 104857600);
            }
            generator.writeEndObject();
        }
        if (getRandom().nextBoolean()) {
            String[] roles = { "master", "data", "ingest" };
            int numRoles = RandomNumbers.randomIntBetween(getRandom(), 0, 3);
            Set<String> nodeRoles = new HashSet<>(numRoles);
            for (int j = 0; j < numRoles; j++) {
                String role;
                do {
                    role = RandomPicks.randomFrom(getRandom(), roles);
                } while (nodeRoles.add(role) == false);
            }
            generator.writeArrayFieldStart("roles");
            for (String nodeRole : nodeRoles) {
                generator.writeString(nodeRole);
            }
            generator.writeEndArray();
        }
        int numAttributes = RandomNumbers.randomIntBetween(getRandom(), 0, 3);
        Map<String, String> attributes = new HashMap<>(numAttributes);
        for (int j = 0; j < numAttributes; j++) {
            attributes.put("attr" + j, "value" + j);
        }
        if (numAttributes > 0) {
            generator.writeObjectFieldStart("attributes");
        }
        for (Map.Entry<String, String> entry : attributes.entrySet()) {
            generator.writeStringField(entry.getKey(), entry.getValue());
        }
        if (numAttributes > 0) {
            generator.writeEndObject();
        }
        generator.writeEndObject();
    }
    generator.writeEndObject();
    generator.writeEndObject();
    generator.close();
    return SniffResponse.buildResponse(writer.toString(), hosts);
}

From source file:com.meetingninja.csse.database.ProjectDatabaseAdapter.java

public static void updateProject(Project p) throws IOException {
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);
    // Build JSON Object for Title
    jgen.writeStartObject();//w  ww . j av a 2  s  .co  m
    jgen.writeStringField(Keys.Project.ID, p.getProjectID());
    jgen.writeStringField("field", Keys.Project.TITLE);
    jgen.writeStringField("value", p.getProjectTitle());
    jgen.writeEndObject();
    jgen.close();
    String payloadTitle = json.toString("UTF8");
    ps.close();

    json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    ps = new PrintStream(json);
    jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);
    // Build JSON Object for Project members
    jgen.writeStartObject();
    jgen.writeStringField(Keys.Project.ID, p.getProjectID());
    jgen.writeStringField("field", Keys.Project.MEETINGS);
    jgen.writeArrayFieldStart("value");
    for (Meeting meeting : p.getMeetings()) {
        jgen.writeStartObject();
        jgen.writeStringField(Keys.Meeting.ID, meeting.getID());
        jgen.writeEndObject();

    }
    jgen.writeEndArray();
    jgen.writeEndObject();
    jgen.close();
    String payloadMeetings = json.toString("UTF8");
    ps.close();

    json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    ps = new PrintStream(json);
    jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);
    // Build JSON Object for Project members
    jgen.writeStartObject();
    jgen.writeStringField(Keys.Project.ID, p.getProjectID());
    jgen.writeStringField("field", Keys.Project.NOTES);
    jgen.writeArrayFieldStart("value");
    for (Note note : p.getNotes()) {
        jgen.writeStartObject();
        jgen.writeStringField(Keys.Note.ID, note.getID());
        jgen.writeEndObject();

    }
    jgen.writeEndArray();
    jgen.writeEndObject();
    jgen.close();
    String payloadNotes = json.toString("UTF8");
    ps.close();

    json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    ps = new PrintStream(json);
    jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);
    // Build JSON Object for Project members
    jgen.writeStartObject();
    jgen.writeStringField(Keys.Project.ID, p.getProjectID());
    jgen.writeStringField("field", Keys.Project.MEMBERS);
    jgen.writeArrayFieldStart("value");
    for (User member : p.getMembers()) {
        jgen.writeStartObject();
        jgen.writeStringField(Keys.User.ID, member.getID());
        jgen.writeEndObject();

    }
    jgen.writeEndArray();
    jgen.writeEndObject();
    jgen.close();
    String payloadMembers = json.toString("UTF8");
    ps.close();

    // Establish connection
    updateHelper(payloadTitle);
    updateHelper(payloadMeetings);
    updateHelper(payloadNotes);
    System.out.println(updateHelper(payloadMembers));

}

From source file:com.meetingninja.csse.database.NotesDatabaseAdapter.java

public static String createNote(Note n) throws Exception {
    // Server URL setup
    String _url = getBaseUri().build().toString();

    // Establish connection
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.POST);
    //addRequestHeader(conn, true);

    // prepare POST payload
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);
    // Create a generator to build the JSON string
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);

    // Build JSON Object
    jgen.writeStartObject();/*from   www .ja  va 2 s  .  c  o m*/
    jgen.writeStringField(Keys.Note.CREATED_BY, n.getCreatedBy());
    jgen.writeStringField(Keys.Note.TITLE, n.getTitle());
    jgen.writeStringField(Keys.Note.DESC, n.getDescription());
    jgen.writeStringField(Keys.Note.CONTENT, n.getContent());
    jgen.writeStringField(Keys.Note.UPDATED, n.getDateCreated());
    jgen.writeEndObject();
    jgen.close();

    // Get JSON Object payload from print stream
    String payload = json.toString("UTF8");
    Log.d("CREATENOTE_payload", payload);
    ps.close();

    // Send payload
    int responseCode = sendPostPayload(conn, payload);
    String response = getServerResponse(conn);
    Log.d("CREATENOTE_response", response);

    String ID = "";
    if (!response.isEmpty()) {
        JsonNode tree = MAPPER.readTree(response);
        if (!tree.has(Keys.Note.ID))
            ID = "-1";
        else
            ID = tree.get(Keys.Note.ID).asText();
    }

    conn.disconnect();
    return ID;
}

From source file:eu.project.ttc.readers.TermSuiteJsonCasSerializer.java

public static void serialize(Writer writer, JCas jCas) throws IOException {

    JsonFactory jsonFactory = new JsonFactory();
    JsonGenerator jg = jsonFactory.createGenerator(writer);
    jg.useDefaultPrettyPrinter();//from ww  w .j  av  a2  s .  c  om
    jg.writeStartObject();
    jg.writeFieldName(F_SDI);
    writeSDI(jg, jCas);
    jg.writeFieldName(F_WORD_ANNOTATIONS);
    writeWordAnnotations(jg, jCas);
    jg.writeFieldName(F_TERM_OCC_ANNOTATIONS);
    writeTermOccAnnotations(jg, jCas);
    jg.writeFieldName(F_FIXED_EXPRESSIONS);
    writeFixedExpressions(jg, jCas);
    writeCoveredText(jg, jCas);
    jg.writeEndObject();
    jg.flush();
    writer.close();
}

From source file:com.netflix.hystrix.contrib.sample.stream.HystrixUtilizationJsonStream.java

protected static String convertToJson(HystrixUtilization utilization) throws IOException {
    StringWriter jsonString = new StringWriter();
    JsonGenerator json = jsonFactory.createGenerator(jsonString);

    json.writeStartObject();// ww w .j a  va  2 s  .  c o m
    json.writeStringField("type", "HystrixUtilization");
    json.writeObjectFieldStart("commands");
    for (Map.Entry<HystrixCommandKey, HystrixCommandUtilization> entry : utilization.getCommandUtilizationMap()
            .entrySet()) {
        final HystrixCommandKey key = entry.getKey();
        final HystrixCommandUtilization commandUtilization = entry.getValue();
        writeCommandUtilizationJson(json, key, commandUtilization);

    }
    json.writeEndObject();

    json.writeObjectFieldStart("threadpools");
    for (Map.Entry<HystrixThreadPoolKey, HystrixThreadPoolUtilization> entry : utilization
            .getThreadPoolUtilizationMap().entrySet()) {
        final HystrixThreadPoolKey threadPoolKey = entry.getKey();
        final HystrixThreadPoolUtilization threadPoolUtilization = entry.getValue();
        writeThreadPoolUtilizationJson(json, threadPoolKey, threadPoolUtilization);
    }
    json.writeEndObject();
    json.writeEndObject();
    json.close();

    return jsonString.getBuffer().toString();
}

From source file:com.meetingninja.csse.database.AgendaDatabaseAdapter.java

public static Agenda createAgenda(Agenda create) throws IOException {
    Agenda newAgenda = new Agenda(create);
    // Server URL setup
    String _url = getBaseUri().build().toString();
    // Establish connection
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.POST);
    addRequestHeader(conn, true);//from  www .j a v  a2  s  . c o m

    // prepare POST payload
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);
    // Create a generator to build the JSON string
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);

    // Build JSON Object
    jgen.writeStartObject(); // start agenda
    jgen.writeStringField(Keys.Agenda.TITLE, create.getTitle());
    jgen.writeStringField(Keys.Agenda.MEETING, create.getAttachedMeetingID());
    jgen.writeArrayFieldStart(Keys.Agenda.TOPIC); // start topics
    MAPPER.writeValue(jgen, create.getTopics()); // recursively does
    // subtopics
    jgen.writeEndArray(); // end topics
    jgen.writeEndObject(); // end agenda
    jgen.close();

    // Get JSON Object payload from print stream
    String payload = json.toString("UTF8");
    ps.close();

    // Send payload
    int responseCode = sendPostPayload(conn, payload);
    String response = getServerResponse(conn);

    newAgenda = parseAgenda(MAPPER.readTree(response));
    return newAgenda;
}

From source file:org.bedework.carddav.vcard.JsonParameters.java

public static void addFields(final JsonGenerator jgen, final Property prop) throws WebdavException {
    try {//from   w  w w .  ja  v a  2s  .  c om
        jgen.writeStartObject();

        final List<Parameter> pl = prop.getParameters();

        if ((pl != null) && (pl.size() > 0)) {
            for (final Parameter p : pl) {
                final String nm = p.getId().getPname().toLowerCase();
                jgen.writeFieldName(nm);

                if (multiMap.get(nm) == null) {
                    jgen.writeString(p.getValue());
                } else {
                    outValue(jgen, p);
                }
            }
        }

        jgen.writeEndObject();
    } catch (final Throwable t) {
        throw new WebdavException(t);
    }
}

From source file:net.echinopsii.ariane.community.core.directory.wat.json.ds.technical.system.OSTypeJSON.java

public final static void osType2JSON(OSType osType, JsonGenerator jgenerator) throws IOException {
    jgenerator.writeStartObject();//from  w ww .j a  v  a2s. co  m
    jgenerator.writeNumberField(OST_ID, osType.getId());
    jgenerator.writeNumberField(OST_VERSION, osType.getVersion());
    jgenerator.writeStringField(OST_NAME, osType.getName());
    jgenerator.writeStringField(OST_ARCHITECTURE, osType.getArchitecture());
    jgenerator.writeNumberField(OST_CMP_ID, ((osType.getCompany() != null) ? osType.getCompany().getId() : -1));
    jgenerator.writeArrayFieldStart(OST_OSI_ID);
    for (OSInstance osi : osType.getOsInstances())
        jgenerator.writeNumber(osi.getId());
    jgenerator.writeEndArray();
    jgenerator.writeEndObject();
}

From source file:org.elasticsearch.client.sniff.ElasticsearchNodesSnifferTests.java

private static SniffResponse buildSniffResponse(ElasticsearchNodesSniffer.Scheme scheme) throws IOException {
    int numNodes = RandomNumbers.randomIntBetween(getRandom(), 1, 5);
    List<Node> nodes = new ArrayList<>(numNodes);
    JsonFactory jsonFactory = new JsonFactory();
    StringWriter writer = new StringWriter();
    JsonGenerator generator = jsonFactory.createGenerator(writer);
    generator.writeStartObject();/*from w ww  . j  ava 2s  .  com*/
    if (getRandom().nextBoolean()) {
        generator.writeStringField("cluster_name", "elasticsearch");
    }
    if (getRandom().nextBoolean()) {
        generator.writeObjectFieldStart("bogus_object");
        generator.writeEndObject();
    }
    generator.writeObjectFieldStart("nodes");
    for (int i = 0; i < numNodes; i++) {
        String nodeId = RandomStrings.randomAsciiOfLengthBetween(getRandom(), 5, 10);
        String host = "host" + i;
        int port = RandomNumbers.randomIntBetween(getRandom(), 9200, 9299);
        HttpHost publishHost = new HttpHost(host, port, scheme.toString());
        Set<HttpHost> boundHosts = new HashSet<>();
        boundHosts.add(publishHost);

        if (randomBoolean()) {
            int bound = between(1, 5);
            for (int b = 0; b < bound; b++) {
                boundHosts.add(new HttpHost(host + b, port, scheme.toString()));
            }
        }

        int numAttributes = between(0, 5);
        Map<String, List<String>> attributes = new HashMap<>(numAttributes);
        for (int j = 0; j < numAttributes; j++) {
            int numValues = frequently() ? 1 : between(2, 5);
            List<String> values = new ArrayList<>();
            for (int v = 0; v < numValues; v++) {
                values.add(j + "value" + v);
            }
            attributes.put("attr" + j, values);
        }

        Node node = new Node(publishHost, boundHosts, randomAsciiAlphanumOfLength(5),
                randomAsciiAlphanumOfLength(5),
                new Node.Roles(randomBoolean(), randomBoolean(), randomBoolean()), attributes);

        generator.writeObjectFieldStart(nodeId);
        if (getRandom().nextBoolean()) {
            generator.writeObjectFieldStart("bogus_object");
            generator.writeEndObject();
        }
        if (getRandom().nextBoolean()) {
            generator.writeArrayFieldStart("bogus_array");
            generator.writeStartObject();
            generator.writeEndObject();
            generator.writeEndArray();
        }
        boolean isHttpEnabled = rarely() == false;
        if (isHttpEnabled) {
            nodes.add(node);
            generator.writeObjectFieldStart("http");
            generator.writeArrayFieldStart("bound_address");
            for (HttpHost bound : boundHosts) {
                generator.writeString(bound.toHostString());
            }
            generator.writeEndArray();
            if (getRandom().nextBoolean()) {
                generator.writeObjectFieldStart("bogus_object");
                generator.writeEndObject();
            }
            generator.writeStringField("publish_address", publishHost.toHostString());
            if (getRandom().nextBoolean()) {
                generator.writeNumberField("max_content_length_in_bytes", 104857600);
            }
            generator.writeEndObject();
        }

        List<String> roles = Arrays.asList(new String[] { "master", "data", "ingest" });
        Collections.shuffle(roles, getRandom());
        generator.writeArrayFieldStart("roles");
        for (String role : roles) {
            if ("master".equals(role) && node.getRoles().isMasterEligible()) {
                generator.writeString("master");
            }
            if ("data".equals(role) && node.getRoles().isData()) {
                generator.writeString("data");
            }
            if ("ingest".equals(role) && node.getRoles().isIngest()) {
                generator.writeString("ingest");
            }
        }
        generator.writeEndArray();

        generator.writeFieldName("version");
        generator.writeString(node.getVersion());
        generator.writeFieldName("name");
        generator.writeString(node.getName());

        if (numAttributes > 0) {
            generator.writeObjectFieldStart("attributes");
            for (Map.Entry<String, List<String>> entry : attributes.entrySet()) {
                if (entry.getValue().size() == 1) {
                    generator.writeStringField(entry.getKey(), entry.getValue().get(0));
                } else {
                    for (int v = 0; v < entry.getValue().size(); v++) {
                        generator.writeStringField(entry.getKey() + "." + v, entry.getValue().get(v));
                    }
                }
            }
            generator.writeEndObject();
        }
        generator.writeEndObject();
    }
    generator.writeEndObject();
    generator.writeEndObject();
    generator.close();
    return SniffResponse.buildResponse(writer.toString(), nodes);
}