Package org.mariadb.jdbc.plugin.codec
Class BlobCodec
java.lang.Object
org.mariadb.jdbc.plugin.codec.BlobCodec
Blob codec
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Field Summary
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionboolean
canDecode
(ColumnDecoder column, Class<?> type) If codec can decode this a server datatype to a java class typeboolean
Can Codec encode the java object typeboolean
Indicate if can encode long dataCodec native typedecodeBinary
(ReadableByteBuf buf, MutableInt length, ColumnDecoder column, Calendar cal, Context context) Decode from a mysql packet binary encoded a value to codec java typedecodeText
(ReadableByteBuf buf, MutableInt length, ColumnDecoder column, Calendar cal, Context context) Decode from a mysql packet text encoded a value to codec java typeprivate byte[]
encode
(InputStream is, Long maxLength) void
Binary encode value to writerbyte[]
encodeData
(Blob value, Long maxLength) binary encoding value to a byte[]void
encodeLongData
(Writer encoder, Blob value, Long maxLength) binary encoding value to a long data packetvoid
Text encode value to writerint
Return server encoding data type
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Field Details
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INSTANCE
default instance -
COMPATIBLE_TYPES
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Constructor Details
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BlobCodec
public BlobCodec()
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Method Details
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className
Description copied from interface:Codec
Codec native type -
canDecode
Description copied from interface:Codec
If codec can decode this a server datatype to a java class type -
canEncode
Description copied from interface:Codec
Can Codec encode the java object type -
decodeText
public Blob decodeText(ReadableByteBuf buf, MutableInt length, ColumnDecoder column, Calendar cal, Context context) throws SQLDataException Description copied from interface:Codec
Decode from a mysql packet text encoded a value to codec java type- Specified by:
decodeText
in interfaceCodec<Blob>
- Parameters:
buf
- mysql packet bufferlength
- encoded value lengthcolumn
- server column metadatacal
- calendarcontext
- connection context- Returns:
- decoded value
- Throws:
SQLDataException
- if unexpected error occurs during decoding
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decodeBinary
public Blob decodeBinary(ReadableByteBuf buf, MutableInt length, ColumnDecoder column, Calendar cal, Context context) throws SQLDataException Description copied from interface:Codec
Decode from a mysql packet binary encoded a value to codec java type- Specified by:
decodeBinary
in interfaceCodec<Blob>
- Parameters:
buf
- mysql packet bufferlength
- encoded value lengthcolumn
- server column metadatacal
- calendarcontext
- connection context- Returns:
- decoded value
- Throws:
SQLDataException
- if unexpected error occurs during decoding
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encodeText
public void encodeText(Writer encoder, Context context, Object value, Calendar cal, Long maxLength) throws IOException, SQLException Description copied from interface:Codec
Text encode value to writer- Specified by:
encodeText
in interfaceCodec<Blob>
- Parameters:
encoder
- writercontext
- connection contextvalue
- value to encodecal
- calendarmaxLength
- maximum value length- Throws:
IOException
- if any socket error occursSQLException
- if encoding error occurs
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encodeBinary
public void encodeBinary(Writer encoder, Context context, Object value, Calendar cal, Long maxLength) throws IOException, SQLException Description copied from interface:Codec
Binary encode value to writer- Specified by:
encodeBinary
in interfaceCodec<Blob>
- Parameters:
encoder
- writercontext
- connection contextvalue
- value to encodecal
- calendarmaxLength
- maximum value length- Throws:
IOException
- if any socket error occursSQLException
- if encoding error occurs
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encodeLongData
public void encodeLongData(Writer encoder, Blob value, Long maxLength) throws IOException, SQLException Description copied from interface:Codec
binary encoding value to a long data packet- Specified by:
encodeLongData
in interfaceCodec<Blob>
- Parameters:
encoder
- writervalue
- value to encodemaxLength
- maximum length value- Throws:
IOException
- if any socket error occursSQLException
- if encoding error occurs
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encodeData
Description copied from interface:Codec
binary encoding value to a byte[]- Specified by:
encodeData
in interfaceCodec<Blob>
- Parameters:
value
- value to encodemaxLength
- maximum length value- Returns:
- encoded value
- Throws:
IOException
- if any socket error occursSQLException
- if encoding error occurs
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encode
- Throws:
IOException
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getBinaryEncodeType
public int getBinaryEncodeType()Description copied from interface:Codec
Return server encoding data type- Specified by:
getBinaryEncodeType
in interfaceCodec<Blob>
- Returns:
- server encoding data type
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canEncodeLongData
public boolean canEncodeLongData()Description copied from interface:Codec
Indicate if can encode long data- Specified by:
canEncodeLongData
in interfaceCodec<Blob>
- Returns:
- true if possible
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