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com.mysql.jdbc
Class Buffer  

java.lang.Object
  com.mysql.jdbc.Buffer

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class Buffer

extends java.lang.Object

Buffer contains code to read and write packets from/to the MySQL server.

Version:

$Id: Buffer.java,v 1.15.2.18 2004/10/21 19:31:04 mmatthew Exp $

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Field Summary
private  int	bufLength
private  byte[]	byteBuffer
(package private) static int	NO_LENGTH_LIMIT
(package private) static long	NULL_LENGTH
private  int	position
private  int	sendLength
private  boolean	wasMultiPacket

 

Constructor Summary
(package private)	Buffer(byte[] buf)
(package private)	Buffer(int size)

 

Method Summary
(package private)  void	clear()
(package private)  void	dump()
(package private)  void	dumpHeader()
(package private)  void	dumpNBytes(int start, int nBytes)
(package private)  void	ensureCapacity(int additionalData)
int	fastSkipLenString()           Skip over a length-encoded string
protected  byte[]	getBufferSource()
(package private)  int	getBufLength()
byte[]	getByteBuffer()           Returns the array of bytes this Buffer is using to read from.
(package private)  byte[]	getBytes(int len)
int	getPosition()           Returns the current position to write to/ read from
(package private)  boolean	isLastDataPacket()
(package private)  long	newReadLength()
(package private)  byte	readByte()
(package private)  long	readFieldLength()
(package private)  int	readInt()
(package private)  byte[]	readLenByteArray(int offset)
(package private)  long	readLength()
(package private)  long	readLong()
(package private)  int	readLongInt()
(package private)  long	readLongLong()
(package private)  int	readnBytes()
(package private)  java.lang.String	readString()
(package private)  java.lang.String	readString(java.lang.String encoding)
(package private)  void	setBufLength(int bufLength)
void	setByteBuffer(byte[] byteBuffer)           Sets the array of bytes to use as a buffer to read from.
void	setPosition(int position)           Set the current position to write to/ read from
(package private)  void	setSendLength(int sendLength)
void	setWasMultiPacket(boolean flag)           Sets whether this packet was part of a multipacket
boolean	wasMultiPacket()           Was this packet part of a multipacket?
(package private)  void	writeByte(byte b)
(package private)  void	writeBytesNoNull(byte[] bytes)
(package private)  void	writeBytesNoNull(byte[] bytes, int offset, int length)
(package private)  void	writeDouble(double d)
(package private)  void	writeFloat(float f)
(package private)  void	writeInt(int i)
(package private)  void	writeLong(long i)
(package private)  void	writeLongInt(int i)
(package private)  void	writeLongLong(long i)
(package private)  void	writeString(java.lang.String s)
(package private)  void	writeStringNoNull(java.lang.String s)
(package private)  void	writeStringNoNull(java.lang.String s, java.lang.String encoding, java.lang.String serverEncoding, SingleByteCharsetConverter converter, boolean parserKnowsUnicode)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

NO_LENGTH_LIMIT

static final int NO_LENGTH_LIMIT

See Also:

Constant Field Values

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NULL_LENGTH

static final long NULL_LENGTH

See Also:

Constant Field Values

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byteBuffer

private byte[] byteBuffer

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wasMultiPacket

private boolean wasMultiPacket

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bufLength

private int bufLength

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position

private int position

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sendLength

private int sendLength

Constructor Detail

Buffer

Buffer(byte[] buf)

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Buffer

Buffer(int size)

Method Detail

setByteBuffer

public void setByteBuffer(byte[] byteBuffer)

Sets the array of bytes to use as a buffer to read from.

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getByteBuffer

public byte[] getByteBuffer()

Returns the array of bytes this Buffer is using to read from.

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setPosition

public void setPosition(int position)

Set the current position to write to/ read from

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getPosition

public int getPosition()

Returns the current position to write to/ read from

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setWasMultiPacket

public void setWasMultiPacket(boolean flag)

Sets whether this packet was part of a multipacket

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fastSkipLenString

public int fastSkipLenString()

Skip over a length-encoded string

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wasMultiPacket

public boolean wasMultiPacket()

Was this packet part of a multipacket?

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getBufferSource

protected final byte[] getBufferSource()

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getBytes

final byte[] getBytes(int len)

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isLastDataPacket

final boolean isLastDataPacket()

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clear

final void clear()

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dump

final void dump()

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dumpHeader

final void dumpHeader()

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dumpNBytes

final void dumpNBytes(int start,
                      int nBytes)

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ensureCapacity

final void ensureCapacity(int additionalData)
                   throws java.sql.SQLException

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newReadLength

final long newReadLength()

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readByte

final byte readByte()

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readFieldLength

final long readFieldLength()

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readInt

final int readInt()

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readLenByteArray

final byte[] readLenByteArray(int offset)

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readLength

final long readLength()

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readLong

final long readLong()

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readLongInt

final int readLongInt()

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readLongLong

final long readLongLong()

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readString

final java.lang.String readString()

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readString

final java.lang.String readString(java.lang.String encoding)
                           throws java.sql.SQLException

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readnBytes

final int readnBytes()

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writeByte

final void writeByte(byte b)
              throws java.sql.SQLException

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writeBytesNoNull

final void writeBytesNoNull(byte[] bytes)
                     throws java.sql.SQLException

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writeBytesNoNull

final void writeBytesNoNull(byte[] bytes,
                            int offset,
                            int length)
                     throws java.sql.SQLException

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writeDouble

final void writeDouble(double d)

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writeFloat

final void writeFloat(float f)

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writeInt

final void writeInt(int i)

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writeLong

final void writeLong(long i)

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writeLongInt

final void writeLongInt(int i)

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writeLongLong

final void writeLongLong(long i)

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writeString

final void writeString(java.lang.String s)
                throws java.sql.SQLException

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writeStringNoNull

final void writeStringNoNull(java.lang.String s)
                      throws java.sql.SQLException

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writeStringNoNull

final void writeStringNoNull(java.lang.String s,
                             java.lang.String encoding,
                             java.lang.String serverEncoding,
                             SingleByteCharsetConverter converter,
                             boolean parserKnowsUnicode)
                      throws java.io.UnsupportedEncodingException,
                             java.sql.SQLException

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setBufLength

void setBufLength(int bufLength)

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getBufLength

int getBufLength()

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setSendLength

void setSendLength(int sendLength)

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> com >> mysql >> [ jdbc overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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