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

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

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Introduction

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

Prototype

public abstract void writeStartObject() throws IOException, JsonGenerationException;

Source Link

Document

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

Usage

From source file:com.github.fge.jsonpatch.RemoveOperation.java

@Override
public void serialize(final JsonGenerator jgen, final SerializerProvider provider)
        throws IOException, JsonProcessingException {
    jgen.writeStartObject();
    jgen.writeStringField("op", "remove");
    jgen.writeStringField("path", path.toString());
    jgen.writeEndObject();//from w w  w .j  a  v  a  2s .  c o  m
}

From source file:net.logstash.logback.marker.MapEntriesAppendingMarkerTest.java

@Test
public void testWriteTo() throws IOException {

    Map<String, String> map = new HashMap<String, String>();
    map.put("myField", "value");

    StringWriter writer = new StringWriter();
    JsonGenerator generator = FACTORY.createGenerator(writer);

    LogstashMarker marker = Markers.appendEntries(map);
    generator.writeStartObject();
    marker.writeTo(generator);//from   w w w  .  j  av a  2s . c  om
    generator.writeEndObject();
    generator.flush();

    assertThat(writer.toString()).isEqualTo("{\"myField\":\"value\"}");
}

From source file:com.amazonaws.services.iot.client.shadow.AwsIotJsonSerializer.java

@Override
public void serialize(AbstractAwsIotDevice device, JsonGenerator generator, SerializerProvider provider)
        throws IOException, JsonProcessingException {
    generator.writeStartObject();

    try {//from   w  w w  . j  a  v a 2 s. c om
        for (String property : device.getReportedProperties().keySet()) {
            Field field = device.getReportedProperties().get(property);

            Object value = invokeGetterMethod(device, field);
            generator.writeObjectField(property, value);
        }
    } catch (IllegalArgumentException e) {
        throw new IOException(e);
    }

    generator.writeEndObject();
}

From source file:com.proofpoint.event.client.EventJsonSerializer.java

@Override
public void serialize(T event, JsonGenerator jsonGenerator, SerializerProvider provider) throws IOException {
    jsonGenerator.writeStartObject();

    jsonGenerator.writeStringField("type", eventTypeMetadata.getTypeName());

    if (eventTypeMetadata.getUuidField() != null) {
        eventTypeMetadata.getUuidField().writeField(jsonGenerator, event);
    } else {//from  ww w. ja  v  a2  s .co m
        jsonGenerator.writeStringField("uuid", UUID.randomUUID().toString());
    }

    if (eventTypeMetadata.getHostField() != null) {
        eventTypeMetadata.getHostField().writeField(jsonGenerator, event);
    } else {
        jsonGenerator.writeStringField("host", hostName);
    }

    if (eventTypeMetadata.getTimestampField() != null) {
        eventTypeMetadata.getTimestampField().writeField(jsonGenerator, event);
    } else {
        jsonGenerator.writeFieldName("timestamp");
        EventDataType.DATETIME.writeFieldValue(jsonGenerator, new DateTime());
    }

    if (eventTypeMetadata.getTraceTokenField() != null) {
        eventTypeMetadata.getTraceTokenField().writeField(jsonGenerator, event);
    } else if (token != null) {
        jsonGenerator.writeFieldName("traceToken");
        EventDataType.STRING.writeFieldValue(jsonGenerator, token);
    }

    jsonGenerator.writeObjectFieldStart("data");
    for (EventFieldMetadata field : eventTypeMetadata.getFields()) {
        field.writeField(jsonGenerator, event);
    }
    jsonGenerator.writeEndObject();

    jsonGenerator.writeEndObject();
    jsonGenerator.flush();
}

From source file:nl.talsmasoftware.enumerables.support.json.jackson2.EnumerableSerializer.java

private void serializeObject(Enumerable value, JsonGenerator jgen, SerializationConfig config)
        throws IOException {
    jgen.writeStartObject();
    for (BeanPropertyDefinition property : serializationPropertiesFor(value.getClass(), config)) {
        if (property.couldSerialize()) {
            final Object propertyValue = property.getAccessor().getValue(value);
            if (propertyValue != null || property.isExplicitlyIncluded() || mustIncludeNull(config)) {
                jgen.writeObjectField(property.getName(), propertyValue);
            }/*from w ww . ja  v a 2  s.c  o m*/
        }
    }
    jgen.writeEndObject();
}

From source file:org.hawkular.rest.json.RelationshipJacksonSerializer.java

/**
 * <pre>compact://  w  w  w. j  a v a  2 s  .  c  o  m
 * {
 *   "id": "1337",
 *   "source": "/tenants/28026b36-8fe4-4332-84c8-524e173a68bf",
 *   "name": "contains",
 *   "target": "28026b36-8fe4-4332-84c8-524e173a68bf/environments/test"
 * }</pre>
 * <p/>
 * <pre>embedded:
 * {
 *   "@context": "http://hawkular.org/inventory/0.1.0/relationship.jsonld",
 *   "id": "1337",
 *   "name": "contains",
 *   "source": {
 *      id: "/tenants/28026b36-8fe4-4332-84c8-524e173a68bf",
 *      shortId: "28026b36-8fe4-4332-84c8-524e173a68bf",
 *      type: "Tenant"
 *   },
 *   "target": {
 *      id: "28026b36-8fe4-4332-84c8-524e173a68bf/environments/test",
 *      shortId: "test",
 *      type: "Environment"
 *   }
 * }</pre>
 */
@Override
public void serialize(Relationship relationship, JsonGenerator jg, SerializerProvider serializerProvider)
        throws IOException {
    jg.writeStartObject();

    jg.writeFieldName(FIELD_ID);
    jg.writeString(relationship.getId());

    jg.writeFieldName(FIELD_NAME);
    jg.writeString(relationship.getName());

    jg.writeFieldName(FIELD_SOURCE);
    jg.writeString(relationship.getSource().toString());

    jg.writeFieldName(FIELD_TARGET);
    jg.writeString(relationship.getTarget().toString());

    if (relationship.getProperties() != null && !relationship.getProperties().isEmpty()) {
        jg.writeFieldName(FIELD_PROPERTIES);
        jg.writeStartObject();
        for (Map.Entry<String, Object> property : relationship.getProperties().entrySet()) {
            jg.writeFieldName(property.getKey());
            jg.writeObject(property.getValue());
        }
        jg.writeEndObject();
    }

    jg.writeEndObject();
}

From source file:org.xlrnet.metadict.web.jackson.DictionaryObjectSerializer.java

@Override
public void serialize(Object bean, JsonGenerator jsonGenerator, SerializerProvider serializerProvider)
        throws IOException {
    jsonGenerator.writeStartObject();
    serializeFields(bean, jsonGenerator, serializerProvider);
    if (bean instanceof DictionaryObject) {
        String representation = FormatUtils.formatDictionaryObjectRepresentation((DictionaryObject) bean);
        if (StringUtils.isNotEmpty(representation)) {
            jsonGenerator.writeStringField(ADDITIONAL_REPRESENTATION_FIELD_NAME, representation);
        }//from w w w  .ja  v a 2s . com
    }
    jsonGenerator.writeEndObject();
}

From source file:com.cedarsoft.couchdb.io.ActionFailedExceptionSerializer.java

public void serialize(@Nonnull ActionFailedException object, @Nonnull OutputStream out) throws IOException {
    JsonFactory jsonFactory = JacksonSupport.getJsonFactory();
    JsonGenerator generator = jsonFactory.createJsonGenerator(out, JsonEncoding.UTF8);

    generator.writeStartObject();

    serialize(generator, object);//from   w ww.  j  a  v a 2  s.  c  om
    generator.writeEndObject();

    generator.close();
}

From source file:com.kpelykh.docker.client.model.BoundHostVolumes.java

private BoundHostVolumes writeVolumes(final JsonGenerator jg) throws IOException {
    jg.writeStartObject();
    for (final String dest : dests) {
        jg.writeObjectFieldStart(dest);//w ww  .j ava  2 s  . c o m
        jg.writeEndObject();
    }
    jg.writeEndObject();
    return this;
}

From source file:net.solarnetwork.node.upload.bulkjsonwebpost.DatumSerializer.java

@Override
public void serialize(Datum datum, JsonGenerator generator, SerializerProvider provider)
        throws IOException, JsonGenerationException {
    generator.writeStartObject();
    generator.writeStringField("__type__", datum.getClass().getSimpleName());
    Map<String, Object> props = ClassUtils.getBeanProperties(datum, null, true);
    for (Map.Entry<String, Object> me : props.entrySet()) {
        Object val = me.getValue();
        if (val instanceof Number) {
            if (val instanceof Integer) {
                generator.writeNumberField(me.getKey(), (Integer) val);
            } else if (val instanceof Long) {
                generator.writeNumberField(me.getKey(), (Long) val);
            } else if (val instanceof Double) {
                generator.writeNumberField(me.getKey(), (Double) val);
            } else if (val instanceof Float) {
                generator.writeNumberField(me.getKey(), (Float) val);
            } else if (val instanceof BigDecimal) {
                generator.writeNumberField(me.getKey(), (BigDecimal) val);
            }//from   ww w  .  j a  va  2  s.c om
        } else if (val instanceof Date) {
            generator.writeNumberField(me.getKey(), ((Date) val).getTime());
        } else if (val instanceof String) {
            generator.writeStringField(me.getKey(), (String) val);
        }
    }
    generator.writeEndObject();
}