public class StringCodec extends Object implements RedisCodec<String,String>, ToByteBufEncoder<String,String>
RedisCodec
encodes and decodes String
keys and values using a specified
Charset
. It accepts provided buffers
so it does not need to allocate buffers during encoding.Modifier and Type | Field and Description |
---|---|
static StringCodec |
ASCII |
static StringCodec |
UTF8 |
Constructor and Description |
---|
StringCodec()
Creates a new
StringCodec with the default charset . |
StringCodec(Charset charset)
Creates a new
StringCodec for the given Charset that encodes and decodes keys and values. |
Modifier and Type | Method and Description |
---|---|
String |
decodeKey(ByteBuffer bytes)
Decode the key output by redis.
|
String |
decodeValue(ByteBuffer bytes)
Decode the value output by redis.
|
void |
encode(String str,
ByteBuf target) |
ByteBuffer |
encodeKey(String key)
Encode the key for output to redis.
|
void |
encodeKey(String key,
ByteBuf target)
Encode the key for output to redis.
|
ByteBuffer |
encodeValue(String value)
Encode the value for output to redis.
|
void |
encodeValue(String value,
ByteBuf target)
Encode the value for output to redis.
|
int |
estimateSize(Object keyOrValue)
Estimates the size of the resulting byte stream.
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
of
public static final StringCodec UTF8
public static final StringCodec ASCII
public StringCodec()
StringCodec
with the default charset
. The default is determined
from the file.encoding
system property.public StringCodec(Charset charset)
StringCodec
for the given Charset
that encodes and decodes keys and values.charset
- must not be null
.public void encodeKey(String key, ByteBuf target)
ToByteBufEncoder
encodeKey
in interface ToByteBufEncoder<String,String>
key
- the key, may be null
.target
- the target buffer, must not be null
.public int estimateSize(Object keyOrValue)
ToByteBufEncoder
estimateSize
in interface ToByteBufEncoder<String,String>
keyOrValue
- the key or value, may be null
.public void encodeValue(String value, ByteBuf target)
ToByteBufEncoder
encodeValue
in interface ToByteBufEncoder<String,String>
value
- the value, may be null
.target
- the target buffer, must not be null
.public String decodeKey(ByteBuffer bytes)
RedisCodec
decodeKey
in interface RedisCodec<String,String>
bytes
- Raw bytes of the key, must not be null
.null
.public String decodeValue(ByteBuffer bytes)
RedisCodec
decodeValue
in interface RedisCodec<String,String>
bytes
- Raw bytes of the value, must not be null
.null
.public ByteBuffer encodeKey(String key)
RedisCodec
encodeKey
in interface RedisCodec<String,String>
key
- the key, may be null
.null
.public ByteBuffer encodeValue(String value)
RedisCodec
encodeValue
in interface RedisCodec<String,String>
value
- the value, may be null
.null
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