Class StringJacksonJsonMessageConverter

java.lang.Object

org.springframework.kafka.support.converter.MessagingMessageConverter

org.springframework.kafka.support.converter.JacksonJsonMessageConverter

org.springframework.kafka.support.converter.StringJacksonJsonMessageConverter

All Implemented Interfaces:

MessageConverter, RecordMessageConverter

public class StringJacksonJsonMessageConverter
extends JacksonJsonMessageConverter

JSON Message converter based on Jackson 3 - String on output, String, Bytes, or byte[] on input. Used in conjunction with Kafka StringSerializer/(StringDeserializer, BytesDeserializer, or ByteArrayDeserializer). Consider using the ByteArrayJsonMessageConverter instead to avoid unnecessary String->byte[] conversion.

Since:

4.0

Field Summary

Fields inherited from class MessagingMessageConverter

logger

Constructor Summary

Constructors

Constructor	Description
StringJacksonJsonMessageConverter()
StringJacksonJsonMessageConverter(tools.jackson.databind.json.JsonMapper objectMapper)

Method Summary

Modifier and Type	Method	Description
protected @Nullable Object	convertPayload(org.springframework.messaging.Message<?> message)	Subclasses can convert the payload; by default, it's sent unchanged to Kafka.

Methods inherited from class JacksonJsonMessageConverter

extractAndConvertValue, getJsonMapper, getTypeMapper, initialRecordHeaders, setTypeMapper

Methods inherited from class MessagingMessageConverter

fromMessage, getMessagingConverter, setGenerateMessageId, setGenerateTimestamp, setHeaderMapper, setMessagingConverter, setRawRecordHeader, toMessage

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface MessageConverter

commonHeaders

Constructor Details

StringJacksonJsonMessageConverter

public StringJacksonJsonMessageConverter()

StringJacksonJsonMessageConverter

public StringJacksonJsonMessageConverter(tools.jackson.databind.json.JsonMapper objectMapper)

Method Details

convertPayload

protected @Nullable Object convertPayload(org.springframework.messaging.Message<?> message)

Description copied from class: MessagingMessageConverter

Subclasses can convert the payload; by default, it's sent unchanged to Kafka.

Overrides:

convertPayload in class JacksonJsonMessageConverter

Parameters:

message - the message.

Returns:

the payload.