org.mariadb.jdbc.internal.util.buffer

Class Buffer

java.lang.Object

org.mariadb.jdbc.internal.util.buffer.Buffer

public class Buffer
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
byte[]	buf
int	limit
int	position

Constructor Summary

Constructors

Constructor and Description
Buffer(byte[] buf)
Buffer(byte[] buf, int limit)

Method Summary

Modifier and Type	Method and Description
void	appendPacket(Buffer otherBuffer) Add stream to bytebuffer.
byte	getByteAt(int position)
long	getLengthEncodedBinary() Get next binary data length.
byte[]	getLengthEncodedBytes() Get next data bytes with unknown length.
byte[]	getLengthEncodedBytesWithLength(long length) Get next data bytes with known length.
long	getSilentLengthEncodedBinary() Return next binary field length without moving cursor position.
int	read24bitword() Read 24 bit integer.
byte	readByte() Reads a byte from the buffer.
int	readInt() Read a int (4 bytes) from the buffer.
long	readLong() Read a long (8 bytes) from the buffer.
byte[]	readRawBytes(int numberOfBytes) Read raw data.
short	readShort() Read a short (2 bytes) from the buffer.
String	readString(Charset charset) Reads a string from the buffer, looks for a 0 to end the string.
int	remaining()
void	skipByte()
void	skipBytes(int bytesToSkip)
void	skipLengthEncodedBytes() Skip next length encode binary data.

Methods inherited from class java.lang.Object

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

Field Detail

buf

public byte[] buf

position

public int position

limit

public int limit

Constructor Detail

Buffer

public Buffer(byte[] buf,
              int limit)

Buffer

public Buffer(byte[] buf)

Method Detail

remaining

public int remaining()

readString

public String readString(Charset charset)

Reads a string from the buffer, looks for a 0 to end the string.

Parameters:

charset - the charset to use, for example ASCII

Returns:

the read string

readShort

public short readShort()

Read a short (2 bytes) from the buffer.

Returns:

an short

read24bitword

public int read24bitword()

Read 24 bit integer.

Returns:

length

readInt

public int readInt()

Read a int (4 bytes) from the buffer.

Returns:

a int

readLong

public long readLong()

Read a long (8 bytes) from the buffer.

Returns:

a long

readByte

public byte readByte()

Reads a byte from the buffer.

Returns:

the byte

readRawBytes

public byte[] readRawBytes(int numberOfBytes)

Read raw data.

Parameters:

numberOfBytes - raw data length.

Returns:

raw data

skipByte

public void skipByte()

skipBytes

public void skipBytes(int bytesToSkip)

skipLengthEncodedBytes

public void skipLengthEncodedBytes()

Skip next length encode binary data.

getLengthEncodedBinary

public long getLengthEncodedBinary()

Get next binary data length.

Returns:

length of next binary data

getLengthEncodedBytes

public byte[] getLengthEncodedBytes()
                             throws IOException

Get next data bytes with unknown length.

Returns:

the raw binary data

Throws:

IOException - if connection problem occur

getLengthEncodedBytesWithLength

public byte[] getLengthEncodedBytesWithLength(long length)

Get next data bytes with known length.

Parameters:

length - binary data length

Returns:

the raw binary data

getByteAt

public byte getByteAt(int position)

appendPacket

public void appendPacket(Buffer otherBuffer)

Add stream to bytebuffer.

Parameters:

otherBuffer - stream to add if needed

getSilentLengthEncodedBinary

public long getSilentLengthEncodedBinary()

Return next binary field length without moving cursor position.

Returns:

next binary field length