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	Description
StringSerializer()

Method Summary

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.kafka.common.serialization.Serializer

close, serialize

Constructor Details

StringSerializer

public StringSerializer()

Method Details

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 the serializer is used for the key or the value

serialize

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

Description copied from interface: Serializer

Convert data into a byte array.

It is recommended to serialize null data to the null byte array.

Specified by:

serialize in interface Serializer<String>

Parameters:

topic - topic associated with data

data - typed data; may be null

Returns:

serialized bytes; may be null