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

Author:

Soby Chacko

Field Summary

Fields inherited from class org.springframework.kafka.support.converter.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(Message<?> message)	Subclasses can convert the payload; by default, it's sent unchanged to Kafka.

Methods inherited from class org.springframework.kafka.support.converter.JacksonJsonMessageConverter

extractAndConvertValue, getJsonMapper, getTypeMapper, initialRecordHeaders, setTypeMapper

Methods inherited from class org.springframework.kafka.support.converter.MessagingMessageConverter

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.kafka.support.converter.MessageConverter

commonHeaders

Constructor Details

StringJacksonJsonMessageConverter

public StringJacksonJsonMessageConverter()

StringJacksonJsonMessageConverter

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

Method Details

convertPayload

protected @Nullable Object convertPayload(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.