Java Code Examples for com.fasterxml.jackson.core.JsonGenerator

The following examples show how to use com.fasterxml.jackson.core.JsonGenerator. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may want to check out the right sidebar which shows the related API usage.
Example 1
Source Project: kripton   Source File: Bean84B2BindMap.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public int serializeOnJackson(Bean84B2 object, JsonGenerator jacksonSerializer) throws Exception {
  jacksonSerializer.writeStartObject();
  int fieldCount=0;

  // Serialized Field:

  // field columnString (mapped with "columnString")
  if (object.columnString!=null)  {
    fieldCount++;
    jacksonSerializer.writeStringField("columnString", object.columnString);
  }

  jacksonSerializer.writeEndObject();
  return fieldCount;
}
 
Example 2
Source Project: kripton   Source File: ThumbnailBindMap.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public int serializeOnJacksonAsString(Thumbnail object, JsonGenerator jacksonSerializer) throws
    Exception {
  jacksonSerializer.writeStartObject();
  int fieldCount=0;

  // Serialized Field:

  // field height (mapped with "height")
  jacksonSerializer.writeStringField("height", PrimitiveUtils.writeLong(object.getHeight()));

  // field url (mapped with "url")
  if (object.getUrl()!=null)  {
    fieldCount++;
    jacksonSerializer.writeStringField("url", UrlUtils.write(object.getUrl()));
  }

  // field width (mapped with "width")
  jacksonSerializer.writeStringField("width", PrimitiveUtils.writeLong(object.getWidth()));

  jacksonSerializer.writeEndObject();
  return fieldCount;
}
 
Example 3
Source Project: lams   Source File: BeanSerializer.java    License: GNU General Public License v2.0 6 votes vote down vote up
/**
 * Main serialization method that will delegate actual output to
 * configured
 * {@link BeanPropertyWriter} instances.
 */
@Override
public final void serialize(Object bean, JsonGenerator gen, SerializerProvider provider)
    throws IOException
{
    if (_objectIdWriter != null) {
        gen.setCurrentValue(bean); // [databind#631]
        _serializeWithObjectId(bean, gen, provider, true);
        return;
    }
    gen.writeStartObject(bean);
    if (_propertyFilterId != null) {
        serializeFieldsFiltered(bean, gen, provider);
    } else {
        serializeFields(bean, gen, provider);
    }
    gen.writeEndObject();
}
 
Example 4
Source Project: kripton   Source File: PersonBindMap.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public int serializeOnJackson(Person object, JsonGenerator jacksonSerializer) throws Exception {
  jacksonSerializer.writeStartObject();
  int fieldCount=0;

  // Serialized Field:

  // field age (mapped with "age")
  fieldCount++;
  jacksonSerializer.writeNumberField("age", object.age);

  // field id (mapped with "id")
  fieldCount++;
  jacksonSerializer.writeNumberField("id", object.id);

  // field name (mapped with "name")
  if (object.name!=null)  {
    fieldCount++;
    jacksonSerializer.writeStringField("name", object.name);
  }

  jacksonSerializer.writeEndObject();
  return fieldCount;
}
 
Example 5
Source Project: baleen   Source File: AbstractJsonConsumer.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Write annotation with features (including non-primitives)
 *
 * @param generator the generator
 * @param annotation the annotation
 * @param features the features
 * @throws IOException Signals that an I/O exception has occurred.
 */
private void writeFS(JsonGenerator generator, FeatureStructure annotation, List<Feature> features)
    throws IOException {
  generator.writeObjectFieldStart("fields");
  for (Feature feature : features) {
    if (feature.getRange().isPrimitive()) {
      writePrimitive(generator, annotation, feature);
    } else if (feature.getRange().isArray()) {
      writeArray(generator, annotation, feature);
    } else {
      if ("uima.cas.AnnotationBase:sofa".equals(feature.getName())) {
        continue;
      }
      FeatureStructure featureValue = annotation.getFeatureValue(feature);
      if (featureValue != null) {
        generator.writeFieldName(feature.getShortName());
        writeFS(generator, featureValue);
      }
    }
  }
  generator.writeEndObject();
}
 
Example 6
Source Project: usergrid   Source File: ExportAdmins.java    License: Apache License 2.0 6 votes vote down vote up
private void saveDictionaries( JsonGenerator jg, AdminUserWriteTask task ) throws Exception {

            jg.writeFieldName( "dictionaries" );
            jg.writeStartObject();

            for (String dictionary : task.dictionariesByName.keySet() ) {

                Map<Object, Object> dict = task.dictionariesByName.get( dictionary );

                if (dict.isEmpty()) {
                    continue;
                }

                jg.writeFieldName( dictionary );

                jg.writeStartObject();

                for (Map.Entry<Object, Object> entry : dict.entrySet()) {
                    jg.writeFieldName( entry.getKey().toString() );
                    jg.writeObject( entry.getValue() );
                }

                jg.writeEndObject();
            }
            jg.writeEndObject();
        }
 
Example 7
Source Project: kripton   Source File: DeviceAccessTokenBindMap.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public int serializeOnJackson(DeviceAccessToken object, JsonGenerator jacksonSerializer) throws
    Exception {
  jacksonSerializer.writeStartObject();
  int fieldCount=0;

  // Serialized Field:

  // field creationTime (mapped with "creationTime")
  fieldCount++;
  jacksonSerializer.writeNumberField("creationTime", object.getCreationTime());

  // field lastUsedTime (mapped with "lastUsedTime")
  fieldCount++;
  jacksonSerializer.writeNumberField("lastUsedTime", object.getLastUsedTime());

  jacksonSerializer.writeEndObject();
  return fieldCount;
}
 
Example 8
Source Project: presto   Source File: MapToJsonCast.java    License: Apache License 2.0 6 votes vote down vote up
@UsedByGeneratedCode
public static Slice toJson(ObjectKeyProvider provider, JsonGeneratorWriter writer, ConnectorSession session, Block block)
{
    try {
        Map<String, Integer> orderedKeyToValuePosition = new TreeMap<>();
        for (int i = 0; i < block.getPositionCount(); i += 2) {
            String objectKey = provider.getObjectKey(block, i);
            orderedKeyToValuePosition.put(objectKey, i + 1);
        }

        SliceOutput output = new DynamicSliceOutput(40);
        try (JsonGenerator jsonGenerator = createJsonGenerator(JSON_FACTORY, output)) {
            jsonGenerator.writeStartObject();
            for (Map.Entry<String, Integer> entry : orderedKeyToValuePosition.entrySet()) {
                jsonGenerator.writeFieldName(entry.getKey());
                writer.writeJsonValue(jsonGenerator, block, entry.getValue(), session);
            }
            jsonGenerator.writeEndObject();
        }
        return output.slice();
    }
    catch (IOException e) {
        throwIfUnchecked(e);
        throw new RuntimeException(e);
    }
}
 
Example 9
Source Project: splicer   Source File: TsdbResult.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public void serialize(Tags tags, JsonGenerator jgen, SerializerProvider provider)
		throws IOException {
	if (tags.getTags() == null) {
		return;
	}

	jgen.writeStartObject();

	TreeMap<String, String> sorted = new TreeMap<>(tags.getTags());
	for (Map.Entry<String, String> e: sorted.entrySet()) {
		jgen.writeStringField(e.getKey(), e.getValue());
	}

	jgen.writeEndObject();
}
 
Example 10
Source Project: kripton   Source File: PersonBindMap.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public int serializeOnJacksonAsString(Person object, JsonGenerator jacksonSerializer) throws
    Exception {
  jacksonSerializer.writeStartObject();
  int fieldCount=0;

  // Serialized Field:

  // field id (mapped with "id")
  jacksonSerializer.writeStringField("id", PrimitiveUtils.writeLong(object.id));

  // field name (mapped with "name")
  if (object.name!=null)  {
    fieldCount++;
    jacksonSerializer.writeStringField("name", object.name);
  }

  jacksonSerializer.writeEndObject();
  return fieldCount;
}
 
Example 11
Source Project: konker-platform   Source File: MessagePackJsonConverter.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public ServiceResponse<byte[]> fromJson(String json) {

    ByteArrayOutputStream bos = new ByteArrayOutputStream();

    try {
        // read json
        ObjectMapper objectMapper = new ObjectMapper(new JsonFactory());
        JsonNode node = objectMapper.readTree(json);

        // write message pack
        MessagePackFactory messagePackFactory = new MessagePackFactory();
        JsonGenerator jsonGenerator = messagePackFactory.createGenerator(bos);

        objectMapper.writeTree(jsonGenerator, node);
    } catch (IOException e) {
        LOGGER.error("Exception converting message pack to JSON", e);
        return ServiceResponseBuilder.<byte[]>error().build();
    }

    return ServiceResponseBuilder.<byte[]>ok().withResult(bos.toByteArray()).build();

}
 
Example 12
@Override
protected void doRequestSerialize(FederationRequest federationRequest, JsonGenerator jgen, SerializerProvider provider)
        throws IOException
{
    GetSplitsRequest getSplitsRequest = (GetSplitsRequest) federationRequest;

    jgen.writeFieldName(TABLE_NAME_FIELD);
    tableNameSerializer.serialize(getSplitsRequest.getTableName(), jgen, provider);

    jgen.writeFieldName(PARTITIONS_FIELD);
    blockSerializer.serialize(getSplitsRequest.getPartitions(), jgen, provider);

    writeStringArray(jgen, PARTITION_COLS_FIELD, getSplitsRequest.getPartitionCols());

    jgen.writeFieldName(CONSTRAINTS_FIELD);
    constraintsSerializer.serialize(getSplitsRequest.getConstraints(), jgen, provider);

    jgen.writeStringField(CONTINUATION_TOKEN_FIELD, getSplitsRequest.getContinuationToken());
}
 
Example 13
Source Project: kripton   Source File: ChannelTable.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * for attribute image serialization
 */
public static byte[] serializeImage(Image value) {
  if (value==null) {
    return null;
  }
  KriptonJsonContext context=KriptonBinder.jsonBind();
  try (KriptonByteArrayOutputStream stream=new KriptonByteArrayOutputStream(); JacksonWrapperSerializer wrapper=context.createSerializer(stream)) {
    JsonGenerator jacksonSerializer=wrapper.jacksonGenerator;
    int fieldCount=0;
    if (value!=null)  {
      fieldCount++;
      imageBindMap.serializeOnJackson(value, jacksonSerializer);
    }
    jacksonSerializer.flush();
    return stream.toByteArray();
  } catch(Exception e) {
    e.printStackTrace();
    throw(new KriptonRuntimeException(e.getMessage()));
  }
}
 
Example 14
Source Project: centraldogma   Source File: TestAbsenceOperation.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void serialize(JsonGenerator gen, SerializerProvider serializers) throws IOException {
    gen.writeStartObject();
    gen.writeStringField("op", op);
    gen.writeStringField("path", path.toString());
    gen.writeEndObject();
}
 
Example 15
Source Project: nifi   Source File: PutElasticsearchHttpRecord.java    License: Apache License 2.0 5 votes vote down vote up
private void writeArray(final Object[] values, final String fieldName, final JsonGenerator generator, final DataType elementType) throws IOException {
    generator.writeStartArray();
    for (final Object element : values) {
        writeValue(generator, element, fieldName, elementType);
    }
    generator.writeEndArray();
}
 
Example 16
Source Project: kripton   Source File: CharDaoImpl.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * for param serializer1 serialization
 */
private byte[] serializer1(char[] value) {
  if (value==null) {
    return null;
  }
  KriptonJsonContext context=KriptonBinder.jsonBind();
  try (KriptonByteArrayOutputStream stream=new KriptonByteArrayOutputStream(); JacksonWrapperSerializer wrapper=context.createSerializer(stream)) {
    JsonGenerator jacksonSerializer=wrapper.jacksonGenerator;
    int fieldCount=0;
    jacksonSerializer.writeStartObject();
    if (value!=null)  {
      int n=value.length;
      char item;
      // write wrapper tag
      jacksonSerializer.writeFieldName("element");
      jacksonSerializer.writeStartArray();
      for (int i=0; i<n; i++) {
        item=value[i];
        jacksonSerializer.writeNumber(item);
      }
      jacksonSerializer.writeEndArray();
    }
    jacksonSerializer.writeEndObject();
    jacksonSerializer.flush();
    return stream.toByteArray();
  } catch(Exception e) {
    e.printStackTrace();
    throw(new KriptonRuntimeException(e.getMessage()));
  }
}
 
Example 17
Source Project: olingo-odata4   Source File: ODataJsonSerializer.java    License: Apache License 2.0 5 votes vote down vote up
protected void writeComplexValue(final ServiceMetadata metadata,
    final EdmComplexType type, final List<Property> properties,
    final Set<List<String>> selectedPaths, final JsonGenerator json, 
    Set<List<String>> expandedPaths, Linked linked, ExpandOption expand, String complexPropName)
    throws IOException, SerializerException {

  if (null != expandedPaths) {
    for(List<String> paths : expandedPaths) {
      if (!paths.isEmpty() && paths.size() == 1) {
        expandedPaths = ExpandSelectHelper.getReducedExpandItemsPaths(expandedPaths, paths.get(0));
      }
    }
  }
  
  for (final String propertyName : type.getPropertyNames()) {
    final Property property = findProperty(propertyName, properties);
    if (selectedPaths == null || ExpandSelectHelper.isSelected(selectedPaths, propertyName)) {
      writeProperty(metadata, (EdmProperty) type.getProperty(propertyName), property,
          selectedPaths == null ? null : ExpandSelectHelper.getReducedSelectedPaths(selectedPaths, propertyName),
          json, expandedPaths, linked, expand);
    }
  }
  try {
    writeNavigationProperties(metadata, type, linked, expand, null, null, complexPropName, json);
  } catch (DecoderException e) {
    throw new SerializerException(IO_EXCEPTION_TEXT, e, SerializerException.MessageKeys.IO_EXCEPTION);
  }
}
 
Example 18
Source Project: warp10-platform   Source File: MetadataSerializer.java    License: Apache License 2.0 5 votes vote down vote up
public static void serializeMetadataFields(Metadata metadata, JsonGenerator gen) throws IOException {
  String name = metadata.getName();
  if (null == name) {
    name = "";
  }

  gen.writeStringField(FIELD_NAME, name);
  gen.writeObjectField(FIELD_LABELS, metadata.getLabels());
  gen.writeObjectField(FIELD_ATTRIBUTES, metadata.getAttributes());
  gen.writeNumberField(FIELD_LASTACTIVITY, metadata.getLastActivity());
}
 
Example 19
Source Project: kripton   Source File: Security47BindMap.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public int serializeOnJackson(Security47 object, JsonGenerator jacksonSerializer) throws
    Exception {
  jacksonSerializer.writeStartObject();
  int fieldCount=0;

  // Serialized Field:

  // field authorizationToken (mapped with "authorizationToken")
  if (object.authorizationToken!=null)  {
    fieldCount++;
    jacksonSerializer.writeFieldName("authorizationToken");
    deviceAccessTokenBindMap.serializeOnJackson(object.authorizationToken, jacksonSerializer);
  }

  // field deviceUid (mapped with "deviceUid")
  if (object.deviceUid!=null)  {
    fieldCount++;
    jacksonSerializer.writeStringField("deviceUid", object.deviceUid);
  }

  // field fcmId (mapped with "fcmId")
  if (object.fcmId!=null)  {
    fieldCount++;
    jacksonSerializer.writeStringField("fcmId", object.fcmId);
  }

  // field userIdentity (mapped with "userIdentity")
  if (object.userIdentity!=null)  {
    fieldCount++;
    jacksonSerializer.writeFieldName("userIdentity");
    userIdentityBindMap.serializeOnJackson(object.userIdentity, jacksonSerializer);
  }

  jacksonSerializer.writeEndObject();
  return fieldCount;
}
 
Example 20
@Override
public void serialize(Integer value, JsonGenerator gen, SerializerProvider serializers)
		throws IOException {

	gen.writeStartObject();
	gen.writeNumberField("customid", value);
	gen.writeEndObject();
}
 
Example 21
Source Project: beam   Source File: MetricsHttpSink.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void serialize(MetricResult value, JsonGenerator gen, SerializerProvider provider)
    throws IOException {
  gen.writeStartObject();
  gen.writeObjectField("attempted", value.getAttempted());
  if (value.hasCommitted()) {
    gen.writeObjectField("committed", value.getCommitted());
  }
  keySerializer.inline(value.getKey(), gen, provider);
  gen.writeEndObject();
}
 
Example 22
Source Project: flowable-engine   Source File: DateToStringSerializer.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void serialize(Date tmpDate, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {

    if (tmpDate != null) {
        jsonGenerator.writeString(new DateTime(tmpDate).toString(isoFormatter));
    } else {
        jsonGenerator.writeNull();
    }
}
 
Example 23
public JsonSerializer<LocalDate> localDateSerializer() {
    return new JsonSerializer<LocalDate>() {
        @Override
        public void serialize(LocalDate localDate, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
            jsonGenerator.writeString(localDate.format(DateTimeFormatter.ISO_LOCAL_DATE));
        }
    };
}
 
Example 24
Source Project: nakadi   Source File: NakadiMetricsModule.java    License: MIT License 5 votes vote down vote up
@Override
public void serialize(final Counter counter,
                      final JsonGenerator json,
                      final SerializerProvider provider) throws IOException {
    json.writeStartObject();
    json.writeNumberField("count", counter.getCount());
    json.writeEndObject();
}
 
Example 25
@Override
protected void doRequestSerialize(FederationRequest federationRequest, JsonGenerator jgen, SerializerProvider provider)
        throws IOException
{
    ListTablesRequest listTablesRequest = (ListTablesRequest) federationRequest;

    jgen.writeStringField(SCHEMA_NAME_FIELD, listTablesRequest.getSchemaName());
}
 
Example 26
Source Project: presto   Source File: JsonEventClient.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public <T> void postEvent(T event)
{
    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        JsonGenerator generator = factory.createGenerator(buffer, JsonEncoding.UTF8);
        serializer.serialize(event, generator);
        out.println(buffer.toString().trim());
    }
    catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}
 
Example 27
Source Project: kripton   Source File: BeanTable.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * for attribute valueMapStringBean serialization
 */
public static byte[] serializeValueMapStringBean(Map<String, Bean> value) {
  if (value==null) {
    return null;
  }
  KriptonJsonContext context=KriptonBinder.jsonBind();
  try (KriptonByteArrayOutputStream stream=new KriptonByteArrayOutputStream(); JacksonWrapperSerializer wrapper=context.createSerializer(stream)) {
    JsonGenerator jacksonSerializer=wrapper.jacksonGenerator;
    jacksonSerializer.writeStartObject();
    int fieldCount=0;
    if (value!=null)  {
      fieldCount++;
      // write wrapper tag
      if (value.size()>0) {
        jacksonSerializer.writeFieldName("element");
        jacksonSerializer.writeStartArray();
        for (Map.Entry<String, Bean> item: value.entrySet()) {
          jacksonSerializer.writeStartObject();
          jacksonSerializer.writeStringField("key", item.getKey());
          if (item.getValue()==null) {
            jacksonSerializer.writeNullField("value");
          } else {
            jacksonSerializer.writeFieldName("value");
            beanBindMap.serializeOnJackson(item.getValue(), jacksonSerializer);
          }
          jacksonSerializer.writeEndObject();
        }
        jacksonSerializer.writeEndArray();
      } else {
        jacksonSerializer.writeNullField("element");
      }
    }
    jacksonSerializer.writeEndObject();
    jacksonSerializer.flush();
    return stream.toByteArray();
  } catch(Exception e) {
    e.printStackTrace();
    throw(new KriptonRuntimeException(e.getMessage()));
  }
}
 
Example 28
Source Project: calcite   Source File: DruidQuery.java    License: Apache License 2.0 5 votes vote down vote up
protected static void writeArray(JsonGenerator generator, List<?> elements)
    throws IOException {
  generator.writeStartArray();
  for (Object o : elements) {
    writeObject(generator, o);
  }
  generator.writeEndArray();
}
 
Example 29
Source Project: kripton   Source File: CharDaoImpl.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * for param serializer2 serialization
 */
private byte[] serializer2(List<Short> value) {
  if (value==null) {
    return null;
  }
  KriptonJsonContext context=KriptonBinder.jsonBind();
  try (KriptonByteArrayOutputStream stream=new KriptonByteArrayOutputStream(); JacksonWrapperSerializer wrapper=context.createSerializer(stream)) {
    JsonGenerator jacksonSerializer=wrapper.jacksonGenerator;
    int fieldCount=0;
    jacksonSerializer.writeStartObject();
    if (value!=null)  {
      int n=value.size();
      Short item;
      // write wrapper tag
      jacksonSerializer.writeFieldName("element");
      jacksonSerializer.writeStartArray();
      for (int i=0; i<n; i++) {
        item=value.get(i);
        if (item==null) {
          jacksonSerializer.writeNull();
        } else {
          jacksonSerializer.writeNumber(item);
        }
      }
      jacksonSerializer.writeEndArray();
    }
    jacksonSerializer.writeEndObject();
    jacksonSerializer.flush();
    return stream.toByteArray();
  } catch(Exception e) {
    e.printStackTrace();
    throw(new KriptonRuntimeException(e.getMessage()));
  }
}
 
Example 30
Source Project: agrest   Source File: ISOOffsetDateTimeEncoder.java    License: Apache License 2.0 5 votes vote down vote up
@Override
protected boolean encodeNonNullObject(Object object, JsonGenerator out) throws IOException {
    OffsetDateTime dateTime = (OffsetDateTime) object;
    String formatted = DateTimeFormatters.isoOffsetDateTime().format(dateTime);
    out.writeObject(formatted);
    return true;
}