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:com.basho.riak.client.query.MapReduce.java

/**
 * Creates the JSON string of the M/R job for submitting to the
 * {@link RawClient}// w ww.j  a  v  a2 s  . c o m
 * 
 * Uses Jackson to write out the JSON string. I'm not very happy with this
 * method, it is a candidate for change.
 * 
 * TODO re-evaluate this method, look for something smaller and more elegant.
 * 
 * @return a String of JSON
 * @throws RiakException
 *             if, for some reason, we can't create a JSON string.
 */
private String writeSpec() throws RiakException {

    final ByteArrayOutputStream out = new ByteArrayOutputStream();

    try {
        JsonGenerator jg = new JsonFactory().createJsonGenerator(out, JsonEncoding.UTF8);
        jg.setCodec(new ObjectMapper());

        jg.writeStartObject();

        jg.writeFieldName("inputs");
        writeInput(jg);

        jg.writeFieldName("query");
        jg.writeStartArray();

        writePhases(jg);

        jg.writeEndArray();
        if (timeout != null) {
            jg.writeNumberField("timeout", timeout);
        }

        jg.writeEndObject();
        jg.flush();

        return out.toString("UTF8");
    } catch (IOException e) {
        throw new RiakException(e);
    }
}

From source file:com.codealot.url2text.Response.java

/**
 * Convenience method for writing header and metadata lists.
 * /*from  w w w  . j a v a2  s  .c o  m*/
 * @param jsonGenerator
 * @param header
 * @param array
 * @throws JsonGenerationException
 * @throws IOException
 */
private void outputNameAndValueArray(final JsonGenerator jsonGenerator, final String header,
        final List<NameAndValue> array) throws JsonGenerationException, IOException {
    jsonGenerator.writeFieldName(header);
    jsonGenerator.writeStartObject();

    for (final NameAndValue nameAndValue : array) {
        jsonGenerator.writeStringField(nameAndValue.getName(), nameAndValue.getValue());
    }
    jsonGenerator.writeEndObject();
}

From source file:org.neo4j.ontology.server.unmanaged.AnnotationResource.java

private void writeJsonNodeObjectifiedObject(JsonGenerator jg, Node term, Label annotationLabel)
        throws IOException {
    jg.writeStartObject(); // {
    jg.writeStringField("uri", term.getProperty("uri").toString()); // uri: "http://www.w3.org/2002/07/owl#Thing"
    jg.writeStringField("ontId", term.getProperty("name").toString()); // ontId: "OWL:Thing"
    jg.writeStringField("label", term.getProperty("rdfs:label", term.getProperty("name")).toString()); // ontId: "OWL:Thing"
    jg.writeFieldName("dataSets"); // dataSets:
    jg.writeStartObject(); // {
    jg.writeEndObject(); // }
    writeJsonNodeObjectifiedObjectParents(jg, term, annotationLabel);
    jg.writeEndObject(); // }
}

From source file:data.DefaultExchanger.java

public void exportData(String dbName, String catalogName, final JsonGenerator generator,
        JdbcTemplate jdbcTemplate) throws IOException {
    generator.writeFieldName(getTable());
    generator.writeStartArray();// w w  w .ja va 2 s.  c o m
    final int[] rowCount = { 0 };
    jdbcTemplate.query(getSelectSql(), new RowCallbackHandler() {
        @Override
        public void processRow(ResultSet rs) throws SQLException {
            try {
                generator.writeStartObject();
                setNode(generator, rs);
                generator.writeEndObject();
                rowCount[0]++;
            } catch (Exception e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            }
        }
    });
    generator.writeEndArray();
    play.Logger.info("exported {{}} {}", rowCount[0], getTable());

    if (hasSequence()) {
        String sequenceName = sequenceName();
        long sequenceValue = 0;
        if (dbName.equalsIgnoreCase("MySQL")) {
            String sql = String.format("SELECT `AUTO_INCREMENT` FROM INFORMATION_SCHEMA.TABLES "
                    + "WHERE TABLE_SCHEMA = '%s' AND TABLE_NAME = '%s'", catalogName, getTable());
            sequenceValue = jdbcTemplate.queryForObject(sql, Long.class);
        } else if (dbName.equalsIgnoreCase("H2")) {
            sequenceValue = jdbcTemplate.queryForObject("CALL NEXT VALUE FOR " + sequenceName, Long.class);
        }
        generator.writeFieldName(sequenceName);
        generator.writeNumber(sequenceValue);
        play.Logger.info("exported sequence {{}}", sequenceName());
    }
}

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

static final void generateHistogram(final JsonGenerator generator,
        final ReportProtos.EssemReport.Histogram histogram, final String application, final String host,
        final String instance, final long timestamp) throws IOException {

    generator.writeStartObject();/*w w  w  .j  a  v a2 s.com*/
    writeStringField(generator, Fields.APPLICATION_FIELD, application);
    writeStringField(generator, Fields.HOST_FIELD, host);
    writeStringField(generator, Fields.INSTANCE_FIELD, instance);
    writeStringField(generator, Fields.NAME_FIELD, histogram.getName().trim());
    generator.writeNumberField(Fields.COUNT_FIELD, histogram.getCount());
    generator.writeNumberField(Fields.MAX_FIELD, histogram.getMax());
    generator.writeNumberField(Fields.MIN_FIELD, histogram.getMin());
    generator.writeNumberField(Fields.MEAN_FIELD, histogram.getMean());
    generator.writeNumberField(Fields.P50_FIELD, histogram.getMedian());
    generator.writeNumberField(Fields.P75_FIELD, histogram.getPercentile75());
    generator.writeNumberField(Fields.P95_FIELD, histogram.getPercentile95());
    generator.writeNumberField(Fields.P98_FIELD, histogram.getPercentile98());
    generator.writeNumberField(Fields.P99_FIELD, histogram.getPercentile99());
    generator.writeNumberField(Fields.P999_FIELD, histogram.getPercentile999());
    generator.writeNumberField(Fields.STD_FIELD, histogram.getStd());
    generator.writeNumberField(Fields.TIMESTAMP_FIELD, timestamp);
    generator.writeEndObject();
    generator.flush();
}

From source file:com.neoteric.starter.metrics.report.elastic.ElasticsearchReporter.java

private void checkForIndexTemplate() {
    try {// ww w  .  j a  v a  2s  .  c  om
        HttpURLConnection connection = openConnection("/_template/metrics_template", "HEAD");
        connection.disconnect();
        boolean isTemplateMissing = connection.getResponseCode() == HttpURLConnection.HTTP_NOT_FOUND;

        // nothing there, lets create it
        if (isTemplateMissing) {
            LOGGER.debug("No metrics template found in elasticsearch. Adding...");
            HttpURLConnection putTemplateConnection = openConnection("/_template/metrics_template", "PUT");
            JsonGenerator json = new JsonFactory().createGenerator(putTemplateConnection.getOutputStream());
            json.writeStartObject();
            json.writeStringField("template", index + "*");
            json.writeObjectFieldStart("mappings");

            json.writeObjectFieldStart("_default_");
            json.writeObjectFieldStart("_all");
            json.writeBooleanField("enabled", false);
            json.writeEndObject();
            json.writeObjectFieldStart("properties");
            json.writeObjectFieldStart("name");
            json.writeObjectField("type", "string");
            json.writeObjectField("index", "not_analyzed");
            json.writeEndObject();
            json.writeEndObject();
            json.writeEndObject();

            json.writeEndObject();
            json.writeEndObject();
            json.flush();

            putTemplateConnection.disconnect();
            if (putTemplateConnection.getResponseCode() != HttpStatus.OK.value()) {
                LOGGER.error(
                        "Error adding metrics template to elasticsearch: {}/{}"
                                + putTemplateConnection.getResponseCode(),
                        putTemplateConnection.getResponseMessage());
            }
        }
        checkedForIndexTemplate = true;
    } catch (IOException e) {
        LOGGER.error("Error when checking/adding metrics template to elasticsearch", e);
    }
}

From source file:com.attribyte.essem.es.DateHistogramAggregation.java

@Override
public void generate(final JsonGenerator generator) throws IOException {
    generator.writeObjectFieldStart(name);
    {// w  w  w .  j av  a 2s  .  c  om
        if (filter != null) {
            generator.writeFieldName("filter");
            filter.generate(generator);
        }

        generator.writeObjectFieldStart(type);
        {
            generator.writeStringField("field", field);
            generator.writeStringField("interval", interval);
            generator.writeNumberField("min_doc_count", 0);

            switch (order) { //Key ascending is default...
            case DOC_COUNT_ASC:
                generator.writeObjectFieldStart("order");
                generator.writeStringField("_count", "asc");
                generator.writeEndObject();
                break;
            case DOC_COUNT_DESC:
                generator.writeObjectFieldStart("order");
                generator.writeStringField("_count", "desc");
                generator.writeEndObject();
                break;
            case KEY_DESC:
                generator.writeObjectFieldStart("order");
                generator.writeStringField("_key", "desc");
                generator.writeEndObject();
                break;
            }
        }
        generator.writeEndObject();
        if (subs != null && subs.size() > 0) {
            generator.writeObjectFieldStart(AGGREGATION_OBJECT_NAME);
            for (Aggregation sub : subs) {
                sub.generate(generator);
            }
            generator.writeEndObject();
        }
    }
    generator.writeEndObject();
}

From source file:org.lamop.riche.model.RelationSourcePersonSerializer.java

@Override
public void serialize(RelationSourcePerson relation, JsonGenerator jsonGenerator, SerializerProvider sp)
        throws IOException, JsonProcessingException {

    jsonGenerator.writeStartObject();/* ww  w  . j ava  2 s.co m*/
    jsonGenerator.writeStringField("rolePublication", relation.getRolePublication());

    Source sourceSer = new Source();
    sourceSer.setId(relation.getSource().getId());
    sourceSer.setTitle(relation.getSource().getTitle());
    //        relation.getSource().getRelationPerson().clear();
    //        relation.getSource().getRelationWorkSource().clear();
    jsonGenerator.writeObjectField("source", sourceSer);
    //        
    //        relation.getPerson().getRelationSource().clear();

    Person p = new Person();
    p.setId(relation.getPerson().getId());
    p.setLabel(relation.getPerson().getLabel());
    jsonGenerator.writeObjectField("person", p);

    jsonGenerator.writeEndObject();

    //        jsonGenerator.writeStringField("username", user.getUsername());
    //        jsonGenerator.writeEndObject();
    //        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}

From source file:de.fraunhofer.iosb.ilt.sta.serialize.DataArrayValueSerializer.java

@Override
public void serialize(DataArrayValue value, JsonGenerator gen, SerializerProvider serializers)
        throws IOException, JsonProcessingException {
    gen.writeStartObject();//w ww  .ja va2s  .c  o  m
    Datastream datastream = value.getDatastream();
    if (datastream != null) {
        gen.writeStringField("Datastream@iot.navigationLink", datastream.getNavigationLink());
    }
    MultiDatastream multiDatastream = value.getMultiDatastream();
    if (multiDatastream != null) {
        gen.writeStringField("MultiDatastream@iot.navigationLink", multiDatastream.getNavigationLink());
    }
    gen.writeObjectField("components", value.getComponents());
    int count = value.getDataArray().size();
    if (count >= 0) {
        gen.writeNumberField("dataArray@iot.count", count);
    }
    gen.writeFieldName("dataArray");
    gen.writeObject(value.getDataArray());
    gen.writeEndObject();
}

From source file:com.github.lynxdb.server.api.http.handlers.EpQuery.java

private void saveResponse(OutputStream _output, List<Query> _queries) throws IOException {
    JsonFactory jFactory = new JsonFactory();
    JsonGenerator jGenerator;

    jGenerator = jFactory.createGenerator(_output, JsonEncoding.UTF8);
    jGenerator.writeStartArray();/*from  ww w  .  jav a 2  s.c  om*/

    for (Query q : _queries) {
        TimeSerie ts;

        ts = engine.query(q);

        jGenerator.writeStartObject();

        jGenerator.writeStringField("metric", q.getName());

        //tags
        jGenerator.writeObjectFieldStart("tags");
        if (q.getTags() != null) {
            for (String tagk : q.getTags().keySet()) {
                jGenerator.writeStringField(tagk, q.getTags().get(tagk));
            }
        }
        jGenerator.writeEndObject();

        //dps
        jGenerator.writeObjectFieldStart("dps");
        while (ts.hasNext()) {
            Entry e = ts.next();
            jGenerator.writeNumberField(String.valueOf(e.getTime()), e.getValue());
        }
        jGenerator.writeEndObject();

        //endQuery
        jGenerator.writeEndObject();
    }
    jGenerator.writeEndArray();
    jGenerator.close();
    _output.flush();
    _output.close();

}