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

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:com.cloudmine.api.persistance.CMJacksonModule.java

private static <JSON extends Transportable> JsonSerializer<JSON> jsonSerializerForType(final Class<JSON> type) {
    return new JsonSerializer<JSON>() {
        @Override//from  w  w  w  . j a v  a  2  s  .  c  o  m
        public void serialize(JSON value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
            jgen.writeStartObject();
            String json;
            try {
                json = value.transportableRepresentation();
            } catch (ConversionException e) {
                LOG.error("Error while serializing, sending empty json", e);
                json = JsonUtilities.EMPTY_JSON;
            }
            jgen.writeRaw(JsonUtilities.unwrap(json));
            jgen.writeEndObject();
        }

        @Override
        public Class<JSON> handledType() {
            return type;
        }
    };
}

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From source file:com.attribyte.essem.ESReporter.java

/**
 * Generates the ES bulk api "action" command.
 * @param generator The JSON generator.//from www.jav  a2s .  c  o  m
 * @param objType The object type.
 * @throws IOException
 */
static final void generateAction(final JsonGenerator generator, final String objType) throws IOException {
    generator.writeStartObject();
    generator.writeObjectFieldStart("index");
    generator.writeStringField("_type", objType);
    generator.writeEndObject();
    generator.writeEndObject();
    generator.flush();
}

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

private static void writeThreadPoolUtilizationJson(JsonGenerator json, HystrixThreadPoolKey threadPoolKey,
        HystrixThreadPoolUtilization utilization) throws IOException {
    json.writeObjectFieldStart(threadPoolKey.name());
    json.writeNumberField("activeCount", utilization.getCurrentActiveCount());
    json.writeNumberField("queueSize", utilization.getCurrentQueueSize());
    json.writeNumberField("corePoolSize", utilization.getCurrentCorePoolSize());
    json.writeNumberField("poolSize", utilization.getCurrentPoolSize());
    json.writeEndObject();
}

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From source file:net.echinopsii.ariane.community.plugin.rabbitmq.directory.json.RabbitmqClusterJSON.java

public final static void rabbitmqCluster2JSON(RabbitmqCluster cluster, JsonGenerator jgenerator)
        throws IOException {
    jgenerator.writeStartObject();//from   w ww  . j a v a2s.c  o m
    jgenerator.writeNumberField(RMQC_ID, cluster.getId());
    jgenerator.writeNumberField(RMQC_VERSION, cluster.getVersion());
    jgenerator.writeStringField(RMQC_NAME, cluster.getName());
    jgenerator.writeStringField(RMQC_DESCRIPTION, cluster.getDescription());
    jgenerator.writeArrayFieldStart(RMQC_NODES_ID);
    for (RabbitmqNode node : cluster.getNodes())
        jgenerator.writeNumber(node.getId());
    jgenerator.writeEndArray();
    jgenerator.writeEndObject();
}

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

public static Group createGroup(Group g) throws IOException, MalformedURLException {
    // Server URL setup
    String _url = getBaseUri().build().toString();

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

    conn.setRequestMethod("POST");
    addRequestHeader(conn, true);//w  ww .  j a va2  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();
    jgen.writeStringField(Keys.Group.TITLE, g.getGroupTitle());
    jgen.writeArrayFieldStart(Keys.Group.MEMBERS);
    for (User member : g.getMembers()) {
        jgen.writeStartObject();
        jgen.writeStringField(Keys.User.ID, member.getID());
        jgen.writeEndObject();

    }
    jgen.writeEndArray();
    jgen.writeEndObject();
    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);

    // prepare to get the id of the created Meeting
    // Map<String, String> responseMap = new HashMap<String, String>();

    /*
     * result should get valid={"meetingID":"##"}
     */
    String result = new String();
    if (!response.isEmpty()) {
        // responseMap = MAPPER.readValue(response,
        // new TypeReference<HashMap<String, String>>() {
        // });
        JsonNode groupNode = MAPPER.readTree(response);
        if (!groupNode.has(Keys.Group.ID)) {
            result = "invalid";
        } else
            result = groupNode.get(Keys.Group.ID).asText();
    }

    if (!result.equalsIgnoreCase("invalid"))
        g.setID(result);

    conn.disconnect();
    return g;
}

---

From source file:org.apache.orc.bench.convert.json.JsonWriter.java

static void printStruct(JsonGenerator writer, StructColumnVector batch, TypeDescription schema, int row)
        throws IOException {
    writer.writeStartObject();// w w w .j  a  v a  2s.c  om
    List<String> fieldNames = schema.getFieldNames();
    List<TypeDescription> fieldTypes = schema.getChildren();
    for (int i = 0; i < fieldTypes.size(); ++i) {
        writer.writeFieldName(fieldNames.get(i));
        printValue(writer, batch.fields[i], fieldTypes.get(i), row);
    }
    writer.writeEndObject();
}

---

From source file:com.infinities.skyport.util.JsonUtil.java

public static String toLegendJson(Throwable e) {
    StringWriter wtr = new StringWriter();
    try {/*w  w w  .  j  a  va2  s  .c  om*/
        JsonGenerator g = new JsonFactory().createGenerator(wtr);
        g.writeStartArray();
        g.writeStartObject();
        g.writeStringField("RES", "FALSE");
        g.writeStringField("REASON", e.toString());
        // g.writeStringField("REASON", Objects.firstNonNull(e.getMessage(),
        // e.toString()));
        g.writeEndObject();
        g.writeEndArray();
        g.close();
    } catch (Exception ee) {
        ArrayNode array = getObjectMapper().createArrayNode();
        ObjectNode reason = getObjectMapper().createObjectNode();
        ObjectNode status = getObjectMapper().createObjectNode();

        status.put(JsonConstants.STATUS, String.valueOf("FALSE"));
        reason.put(JsonConstants.REASON, "an unexpected error occurred");
        array.add(status).add(reason);

        // "[{\"RES\":\"FALSE\"}, {\"REASON\":\"an unexpected error occurred\"}]";
        return array.toString();
    }

    return wtr.toString();
}

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From source file:net.echinopsii.ariane.community.core.directory.wat.json.ds.organisational.EnvironmentJSON.java

public final static void environment2JSON(Environment environment, JsonGenerator jgenerator)
        throws IOException {
    jgenerator.writeStartObject();/*from w ww  .  j a v  a 2 s. c om*/
    jgenerator.writeNumberField(ENV_ID, environment.getId());
    jgenerator.writeNumberField(ENV_VERSION, environment.getVersion());
    jgenerator.writeStringField(ENV_NAME, environment.getName());
    jgenerator.writeStringField(ENV_DESCRIPTION, environment.getDescription());
    jgenerator.writeArrayFieldStart(ENV_OSI_ID);
    for (OSInstance osi : environment.getOsInstances())
        jgenerator.writeNumber(osi.getId());
    jgenerator.writeEndArray();
    jgenerator.writeEndObject();
}

---

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

private static SniffResponse buildSniffResponse(HostsSniffer.Scheme scheme) throws IOException {
    int numNodes = RandomInts.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 va 2 s .c o 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 = RandomInts.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 = RandomInts.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 = RandomInts.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);
}

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From source file:com.netflix.hystrix.serial.SerialHystrixUtilization.java

private static void serializeUtilization(HystrixUtilization utilization, JsonGenerator json) {
    try {//from ww w  . ja v a 2  s  .com
        json.writeStartObject();
        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();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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