org.mariadb.jdbc.internal.util.buffer

Class Reader

java.lang.Object

org.mariadb.jdbc.internal.util.buffer.Reader

public class Reader
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
ByteBuffer	byteBuffer

Constructor Summary

Constructors

Constructor and Description
Reader(ByteBuffer byteBuffer)

Method Summary

Modifier and Type	Method and Description
void	appendPacket(RawPacket rawPacket) Add stream to bytebuffer.
void	appendPacket(RawPacket rawPacket, long encLength) If next data length is not contain in byteBuffer, add stream.
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.
int	getRemainingSize()
long	getSilentLengthEncodedBinary() Return next binary field length without moving cursor position.
String	getStringLengthEncodedBytes() Get next String encoded binary from byteBuffer.
int	read24bitword() Read 24bit encoded length.
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.
void	skipByte()
long	skipBytes(int bytesToSkip)
Reader	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

byteBuffer

public ByteBuffer byteBuffer

Constructor Detail

Reader

public Reader(ByteBuffer byteBuffer)

Method Detail

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

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 long skipBytes(int bytesToSkip)

skipLengthEncodedBytes

public Reader skipLengthEncodedBytes()

Skip next length encode binary data.

Returns:

this.

read24bitword

public int read24bitword()

Read 24bit encoded length.

Returns:

length.

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

getStringLengthEncodedBytes

public String getStringLengthEncodedBytes()
                                   throws IOException

Get next String encoded binary from byteBuffer.

Returns:

String 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)
               throws IOException

Throws:

IOException

getRemainingSize

public int getRemainingSize()

appendPacket

public void appendPacket(RawPacket rawPacket)

Add stream to bytebuffer.

Parameters:

rawPacket - stream to add if needed

appendPacket

public void appendPacket(RawPacket rawPacket,
                         long encLength)

If next data length is not contain in byteBuffer, add stream.

Parameters:

rawPacket - stream to add if needed

encLength - next data remaining length to fetch

getSilentLengthEncodedBinary

public long getSilentLengthEncodedBinary()

Return next binary field length without moving cursor position.

Returns:

next binary field length