org.apache.kafka.common.serialization

Class StringSerializer

java.lang.Object

org.apache.kafka.common.serialization.StringSerializer

All Implemented Interfaces:

Closeable, AutoCloseable, Serializer<String>

public class StringSerializer
extends Object
implements Serializer<String>

String encoding defaults to UTF8 and can be customized by setting the property key.serializer.encoding, value.serializer.encoding or serializer.encoding. The first two take precedence over the last.

Constructor Summary

Constructors

Constructor and Description
StringSerializer()

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Close this serializer.
void	configure(Map<String,?> configs, boolean isKey) Configure this class.
byte[]	serialize(String topic, String data)

Methods inherited from class java.lang.Object

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

Constructor Detail

StringSerializer

public StringSerializer()

Method Detail

configure

public void configure(Map<String,?> configs,
             boolean isKey)

Description copied from interface: Serializer

Configure this class.

Specified by:

configure in interface Serializer<String>

Parameters:

configs - configs in key/value pairs

isKey - whether is for key or value

serialize

public byte[] serialize(String topic,
               String data)

Specified by:

serialize in interface Serializer<String>

Parameters:

topic - topic associated with data

data - typed data

Returns:

serialized bytes

close

public void close()

Description copied from interface: Serializer

Close this serializer. This method has to be idempotent if the serializer is used in KafkaProducer because it might be called multiple times.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Serializer<String>