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

Introduction

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

Prototype

public abstract void writeObject(Object pojo) throws IOException, JsonProcessingException;

Source Link

Document

Method for writing given Java object (POJO) as Json.

Usage

From source file:io.druid.data.input.impl.SqlFirehoseTest.java

@Before
public void setup() throws IOException {
    TEST_DIR = File.createTempFile(SqlFirehose.class.getSimpleName(), "testDir");
    FileUtils.forceDelete(TEST_DIR);//from   www  . j  a  va2s.c  o  m
    FileUtils.forceMkdir(TEST_DIR);

    final List<Map<String, Object>> inputTexts = ImmutableList.of(
            ImmutableMap.of("x", "foostring1", "timestamp", 2000),
            ImmutableMap.of("x", "foostring2", "timestamp", 2000));
    List<FileInputStream> testFile = new ArrayList<>();
    this.objectMapper = new ObjectMapper(new SmileFactory());
    int i = 0;
    for (Map m : inputTexts) {
        File file = new File(TEST_DIR, "test_" + i++);
        try (FileOutputStream fos = new FileOutputStream(file)) {
            final JsonGenerator jg = objectMapper.getFactory().createGenerator(fos);
            jg.writeStartArray();
            jg.writeObject(m);
            jg.writeEndArray();
            jg.close();
            testFile.add(new FileInputStream(file));
        }
    }

    this.fileList = testFile;
    parser = new MapInputRowParser(new TimeAndDimsParseSpec(new TimestampSpec("timestamp", "auto", null),
            new DimensionsSpec(DimensionsSpec.getDefaultSchemas(ImmutableList.of("x")), null, null)));

    this.inputs = inputTexts;
}

From source file:models.TypeSerializer.java

@Override
public void serialize(Type type, JsonGenerator jgen, SerializerProvider provider) throws IOException {
    jgen.writeStartObject();/*  w w w  .j a  v a2  s  .  c om*/
    jgen.writeStringField("id", type.getId());
    jgen.writeStringField("label", type.getLabel());
    jgen.writeFieldName("unit");
    jgen.writeObject(type.getUnit());
    jgen.writeEndObject();
}

From source file:models.CoefficientSerializer.java

@Override
public void serialize(Coefficient coefficient, JsonGenerator jgen, SerializerProvider provider)
        throws IOException {
    jgen.writeStartObject();//from   ww w .  ja  va 2s  .c  o m
    jgen.writeStringField("id", coefficient.getId());
    jgen.writeFieldName("unit");
    jgen.writeObject(coefficient.getUnit());
    jgen.writeFieldName("keywords");
    jgen.writeObject(coefficient.getKeywords());
    jgen.writeFieldName("value");
    jgen.writeObject(coefficient.getValue());

    jgen.writeFieldName("groups");
    jgen.writeStartArray();
    for (Group group : coefficient.getGroups()) {
        jgen.writeStartObject();
        jgen.writeStringField("id", group.getId());
        jgen.writeStringField("label", group.getLabel());
        jgen.writeEndObject();
    }
    jgen.writeEndArray();

    jgen.writeFieldName("relations");
    jgen.writeStartArray();
    for (DerivedRelation relation : coefficient.getDerivedRelations()) {
        jgen.writeObject(relation);
    }
    jgen.writeEndArray();
    jgen.writeEndObject();
}

From source file:org.killbill.billing.plugin.meter.api.user.AccumulatingJsonSamplesOutputer.java

@Override
protected void writeRemainingData(final JsonGenerator generator) throws IOException {
    final String samples = accumulatorSampleConsumer.flush();
    // Don't write out empty samples
    if (!Strings.isNullOrEmpty(samples)) {
        generator
                .writeObject(new SamplesForMetricAndSource(lastSource, lastEventCategory, lastMetric, samples));
    }/* ww  w.  j av  a2s.  c  o m*/
}

From source file:net.logstash.logback.composite.loggingevent.JsonMessageJsonProvider.java

@Override
public void writeTo(JsonGenerator generator, ILoggingEvent event) throws IOException {
    final Marker marker = event.getMarker();
    if (marker != null && marker.contains(JSON_MARKER_NAME)) {
        generator.writeFieldName(getFieldName());
        generator.writeObject(event.getArgumentArray());
    }/*  w w  w.  j  a  v a 2s  .co m*/
}

From source file:org.opendaylight.ovsdb.lib.notation.json.MutationSerializer.java

@Override
public void serialize(Mutation condition, JsonGenerator generator, SerializerProvider provider)
        throws IOException, JsonProcessingException {
    generator.writeStartArray();/*from  w w w  .j  a  va2s . c om*/
    generator.writeString(condition.getColumn());
    generator.writeString(condition.getMutator().toString());
    generator.writeObject(condition.getValue());
    generator.writeEndArray();
}

From source file:org.opendaylight.ovsdb.lib.notation.json.ConditionSerializer.java

@Override
public void serialize(Condition condition, JsonGenerator generator, SerializerProvider provider)
        throws IOException, JsonProcessingException {
    generator.writeStartArray();/* w  w w  .j a  v  a2  s  .  c  o  m*/
    generator.writeString(condition.getColumn());
    generator.writeString(condition.getFunction().toString());
    generator.writeObject(condition.getValue());
    generator.writeEndArray();
}

From source file:org.hawkular.apm.tests.dockerized.TestScenarioRunner.java

private String serialize(Object object) throws IOException {
    StringWriter out = new StringWriter();

    JsonGenerator gen = objectMapper.getFactory().createGenerator(out);
    gen.writeObject(object);

    gen.close();/*from  ww  w. j  a  v a2  s  . c o  m*/
    out.close();

    return out.toString();
}

From source file:org.omg.dmn.tck.marshaller._20160719.json.ValueSerializer.java

@Override
public void serialize(Object value, JsonGenerator gen, SerializerProvider serializers)
        throws IOException, JsonProcessingException {
    if (value instanceof Element) {
        String content = ((Element) value).getTextContent();
        gen.writeString(content);/* ww  w.  ja va  2 s.  c  om*/
    } else {
        gen.writeObject(value);
    }
}

From source file:org.jmingo.mapping.convert.mongo.type.serialize.BsonDateSerializer.java

/**
 * {@inheritDoc}/*from   w w w .j  av  a 2 s . co  m*/
 */
@Override
public void serialize(Date value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonProcessingException {
    // writes date as is and leaves mongo driver to convert date in appropriate format.
    // Mongodb represents date in ISO format and saves date in ISODate
    jgen.writeObject(value);
}