io.netty.buffer

Class DuplicatedByteBuf

java.lang.Object

io.netty.buffer.ByteBuf

io.netty.buffer.AbstractByteBuf

io.netty.buffer.AbstractDerivedByteBuf

io.netty.buffer.DuplicatedByteBuf

All Implemented Interfaces:

ReferenceCounted, java.lang.Comparable<ByteBuf>

Deprecated.

Do not use.

@Deprecated
public class DuplicatedByteBuf
extends AbstractDerivedByteBuf

A derived buffer which simply forwards all data access requests to its parent. It is recommended to use ByteBuf.duplicate() instead of calling the constructor explicitly.

Constructor Summary

Constructors

Constructor and Description
DuplicatedByteBuf(ByteBuf buffer) Deprecated.

Method Summary

Modifier and Type	Method and Description
protected byte	_getByte(int index) Deprecated.
protected int	_getInt(int index) Deprecated.
protected long	_getLong(int index) Deprecated.
protected short	_getShort(int index) Deprecated.
protected int	_getUnsignedMedium(int index) Deprecated.
protected void	_setByte(int index, int value) Deprecated.
protected void	_setInt(int index, int value) Deprecated.
protected void	_setLong(int index, long value) Deprecated.
protected void	_setMedium(int index, int value) Deprecated.
protected void	_setShort(int index, int value) Deprecated.
ByteBufAllocator	alloc() Deprecated. Returns the ByteBufAllocator which created this buffer.
byte[]	array() Deprecated. Returns the backing byte array of this buffer.
int	arrayOffset() Deprecated. Returns the offset of the first byte within the backing byte array of this buffer.
int	capacity() Deprecated. Returns the number of bytes (octets) this buffer can contain.
ByteBuf	capacity(int newCapacity) Deprecated. Adjusts the capacity of this buffer.
ByteBuf	copy(int index, int length) Deprecated. Returns a copy of this buffer's sub-region.
int	forEachByte(int index, int length, ByteBufProcessor processor) Deprecated. Iterates over the specified area of this buffer with the specified processor in ascending order.
int	forEachByteDesc(int index, int length, ByteBufProcessor processor) Deprecated. Iterates over the specified area of this buffer with the specified processor in descending order.
byte	getByte(int index) Deprecated. Gets a byte at the specified absolute index in this buffer.
ByteBuf	getBytes(int index, byte[] dst, int dstIndex, int length) Deprecated. Transfers this buffer's data to the specified destination starting at the specified absolute index.
ByteBuf	getBytes(int index, java.nio.ByteBuffer dst) Deprecated. Transfers this buffer's data to the specified destination starting at the specified absolute index until the destination's position reaches its limit.
ByteBuf	getBytes(int index, ByteBuf dst, int dstIndex, int length) Deprecated. Transfers this buffer's data to the specified destination starting at the specified absolute index.
int	getBytes(int index, java.nio.channels.GatheringByteChannel out, int length) Deprecated. Transfers this buffer's data to the specified channel starting at the specified absolute index.
ByteBuf	getBytes(int index, java.io.OutputStream out, int length) Deprecated. Transfers this buffer's data to the specified stream starting at the specified absolute index.
int	getInt(int index) Deprecated. Gets a 32-bit integer at the specified absolute index in this buffer.
long	getLong(int index) Deprecated. Gets a 64-bit long integer at the specified absolute index in this buffer.
short	getShort(int index) Deprecated. Gets a 16-bit short integer at the specified absolute index in this buffer.
int	getUnsignedMedium(int index) Deprecated. Gets an unsigned 24-bit medium integer at the specified absolute index in this buffer.
boolean	hasArray() Deprecated. Returns true if and only if this buffer has a backing byte array.
boolean	hasMemoryAddress() Deprecated. Returns true if and only if this buffer has a reference to the low-level memory address that points to the backing data.
boolean	isDirect() Deprecated. Returns true if and only if this buffer is backed by an NIO direct buffer.
long	memoryAddress() Deprecated. Returns the low-level memory address that point to the first byte of ths backing data.
int	nioBufferCount() Deprecated. Returns the maximum number of NIO ByteBuffers that consist this buffer.
java.nio.ByteBuffer[]	nioBuffers(int index, int length) Deprecated. Exposes this buffer's bytes as an NIO ByteBuffer's for the specified index and length The returned buffer either share or contains the copied content of this buffer, while changing the position and limit of the returned NIO buffer does not affect the indexes and marks of this buffer.
java.nio.ByteOrder	order() Deprecated.
ByteBuf	setByte(int index, int value) Deprecated. Sets the specified byte at the specified absolute index in this buffer.
ByteBuf	setBytes(int index, byte[] src, int srcIndex, int length) Deprecated. Transfers the specified source array's data to this buffer starting at the specified absolute index.
ByteBuf	setBytes(int index, java.nio.ByteBuffer src) Deprecated. Transfers the specified source buffer's data to this buffer starting at the specified absolute index until the source buffer's position reaches its limit.
ByteBuf	setBytes(int index, ByteBuf src, int srcIndex, int length) Deprecated. Transfers the specified source buffer's data to this buffer starting at the specified absolute index.
int	setBytes(int index, java.io.InputStream in, int length) Deprecated. Transfers the content of the specified source stream to this buffer starting at the specified absolute index.
int	setBytes(int index, java.nio.channels.ScatteringByteChannel in, int length) Deprecated. Transfers the content of the specified source channel to this buffer starting at the specified absolute index.
ByteBuf	setInt(int index, int value) Deprecated. Sets the specified 32-bit integer at the specified absolute index in this buffer.
ByteBuf	setLong(int index, long value) Deprecated. Sets the specified 64-bit long integer at the specified absolute index in this buffer.
ByteBuf	setMedium(int index, int value) Deprecated. Sets the specified 24-bit medium integer at the specified absolute index in this buffer.
ByteBuf	setShort(int index, int value) Deprecated. Sets the specified 16-bit short integer at the specified absolute index in this buffer.
ByteBuf	slice(int index, int length) Deprecated. Returns a slice of this buffer's sub-region.
ByteBuf	unwrap() Deprecated. Return the underlying buffer instance if this buffer is a wrapper of another buffer.

Methods inherited from class io.netty.buffer.AbstractDerivedByteBuf

internalNioBuffer, nioBuffer, refCnt, release, release, retain, retain

Methods inherited from class io.netty.buffer.AbstractByteBuf

adjustMarkers, bytesBefore, bytesBefore, bytesBefore, checkDstIndex, checkIndex, checkIndex, checkNewCapacity, checkReadableBytes, checkSrcIndex, clear, compareTo, copy, discardReadBytes, discardSomeReadBytes, duplicate, ensureAccessible, ensureWritable, ensureWritable, equals, forEachByte, forEachByteDesc, getBoolean, getBytes, getBytes, getBytes, getChar, getDouble, getFloat, getMedium, getUnsignedByte, getUnsignedInt, getUnsignedShort, hashCode, indexOf, isReadable, isReadable, isWritable, isWritable, markReaderIndex, markWriterIndex, maxCapacity, maxCapacity, maxWritableBytes, newSwappedByteBuf, nioBuffer, nioBuffers, order, readableBytes, readBoolean, readByte, readBytes, readBytes, readBytes, readBytes, readBytes, readBytes, readBytes, readBytes, readBytes, readChar, readDouble, readerIndex, readerIndex, readFloat, readInt, readLong, readMedium, readShort, readSlice, readUnsignedByte, readUnsignedInt, readUnsignedMedium, readUnsignedShort, resetReaderIndex, resetWriterIndex, setBoolean, setBytes, setBytes, setBytes, setChar, setDouble, setFloat, setIndex, setZero, skipBytes, slice, toString, toString, toString, writableBytes, writeBoolean, writeByte, writeBytes, writeBytes, writeBytes, writeBytes, writeBytes, writeBytes, writeBytes, writeBytes, writeChar, writeDouble, writeFloat, writeInt, writeLong, writeMedium, writerIndex, writerIndex, writeShort, writeZero

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DuplicatedByteBuf

public DuplicatedByteBuf(ByteBuf buffer)

Deprecated.

Method Detail

unwrap

public ByteBuf unwrap()

Deprecated.

Description copied from class: ByteBuf

Return the underlying buffer instance if this buffer is a wrapper of another buffer.

Specified by:

unwrap in class ByteBuf

Returns:

null if this buffer is not a wrapper

alloc

public ByteBufAllocator alloc()

Deprecated.

Description copied from class: ByteBuf

Returns the ByteBufAllocator which created this buffer.

Specified by:

alloc in class ByteBuf

order

@Deprecated
public java.nio.ByteOrder order()

Deprecated.

Description copied from class: ByteBuf

Returns the endianness of this buffer.

Specified by:

order in class ByteBuf

isDirect

public boolean isDirect()

Deprecated.

Description copied from class: ByteBuf

Returns true if and only if this buffer is backed by an NIO direct buffer.

Specified by:

isDirect in class ByteBuf

capacity

public int capacity()

Deprecated.

Description copied from class: ByteBuf

Returns the number of bytes (octets) this buffer can contain.

Specified by:

capacity in class ByteBuf

capacity

public ByteBuf capacity(int newCapacity)

Deprecated.

Description copied from class: ByteBuf

Adjusts the capacity of this buffer. If the newCapacity is less than the current capacity, the content of this buffer is truncated. If the newCapacity is greater than the current capacity, the buffer is appended with unspecified data whose length is (newCapacity - currentCapacity).

Specified by:

capacity in class ByteBuf

hasArray

public boolean hasArray()

Deprecated.

Description copied from class: ByteBuf

Returns true if and only if this buffer has a backing byte array. If this method returns true, you can safely call ByteBuf.array() and ByteBuf.arrayOffset().

Specified by:

hasArray in class ByteBuf

array

public byte[] array()

Deprecated.

Description copied from class: ByteBuf

Returns the backing byte array of this buffer.

Specified by:

array in class ByteBuf

arrayOffset

public int arrayOffset()

Deprecated.

Description copied from class: ByteBuf

Returns the offset of the first byte within the backing byte array of this buffer.

Specified by:

arrayOffset in class ByteBuf

hasMemoryAddress

public boolean hasMemoryAddress()

Deprecated.

Description copied from class: ByteBuf

Returns true if and only if this buffer has a reference to the low-level memory address that points to the backing data.

Specified by:

hasMemoryAddress in class ByteBuf

memoryAddress

public long memoryAddress()

Deprecated.

Description copied from class: ByteBuf

Returns the low-level memory address that point to the first byte of ths backing data.

Specified by:

memoryAddress in class ByteBuf

getByte

public byte getByte(int index)

Deprecated.

Description copied from class: ByteBuf

Gets a byte at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.

Overrides:

getByte in class AbstractByteBuf

_getByte

protected byte _getByte(int index)

Deprecated.

Specified by:

_getByte in class AbstractByteBuf

getShort

public short getShort(int index)

Deprecated.

Description copied from class: ByteBuf

Gets a 16-bit short integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.

Overrides:

getShort in class AbstractByteBuf

_getShort

protected short _getShort(int index)

Deprecated.

Specified by:

_getShort in class AbstractByteBuf

getUnsignedMedium

public int getUnsignedMedium(int index)

Deprecated.

Description copied from class: ByteBuf

Gets an unsigned 24-bit medium integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.

Overrides:

getUnsignedMedium in class AbstractByteBuf

_getUnsignedMedium

protected int _getUnsignedMedium(int index)

Deprecated.

Specified by:

_getUnsignedMedium in class AbstractByteBuf

getInt

public int getInt(int index)

Deprecated.

Description copied from class: ByteBuf

Gets a 32-bit integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.

Overrides:

getInt in class AbstractByteBuf

_getInt

protected int _getInt(int index)

Deprecated.

Specified by:

_getInt in class AbstractByteBuf

getLong

public long getLong(int index)

Deprecated.

Description copied from class: ByteBuf

Gets a 64-bit long integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.

Overrides:

getLong in class AbstractByteBuf

_getLong

protected long _getLong(int index)

Deprecated.

Specified by:

_getLong in class AbstractByteBuf

copy

public ByteBuf copy(int index,
                    int length)

Deprecated.

Description copied from class: ByteBuf

Returns a copy of this buffer's sub-region. Modifying the content of the returned buffer or this buffer does not affect each other at all. This method does not modify readerIndex or writerIndex of this buffer.

Specified by:

copy in class ByteBuf

slice

public ByteBuf slice(int index,
                     int length)

Deprecated.

Description copied from class: ByteBuf

Returns a slice of this buffer's sub-region. Modifying the content of the returned buffer or this buffer affects each other's content while they maintain separate indexes and marks. This method does not modify readerIndex or writerIndex of this buffer.

Also be aware that this method will NOT call ByteBuf.retain() and so the reference count will NOT be increased.

Overrides:

slice in class AbstractByteBuf

getBytes

public ByteBuf getBytes(int index,
                        ByteBuf dst,
                        int dstIndex,
                        int length)

Deprecated.

Description copied from class: ByteBuf

Transfers this buffer's data to the specified destination starting at the specified absolute index. This method does not modify readerIndex or writerIndex of both the source (i.e. this) and the destination.

Specified by:

getBytes in class ByteBuf

dstIndex - the first index of the destination

length - the number of bytes to transfer

getBytes

public ByteBuf getBytes(int index,
                        byte[] dst,
                        int dstIndex,
                        int length)

Deprecated.

Description copied from class: ByteBuf

Transfers this buffer's data to the specified destination starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.

Specified by:

getBytes in class ByteBuf

dstIndex - the first index of the destination

length - the number of bytes to transfer

getBytes

public ByteBuf getBytes(int index,
                        java.nio.ByteBuffer dst)

Deprecated.

Description copied from class: ByteBuf

Transfers this buffer's data to the specified destination starting at the specified absolute index until the destination's position reaches its limit. This method does not modify readerIndex or writerIndex of this buffer while the destination's position will be increased.

Specified by:

getBytes in class ByteBuf

setByte

public ByteBuf setByte(int index,
                       int value)

Deprecated.

Description copied from class: ByteBuf

Sets the specified byte at the specified absolute index in this buffer. The 24 high-order bits of the specified value are ignored. This method does not modify readerIndex or writerIndex of this buffer.

Overrides:

setByte in class AbstractByteBuf

_setByte

protected void _setByte(int index,
                        int value)

Deprecated.

Specified by:

_setByte in class AbstractByteBuf

setShort

public ByteBuf setShort(int index,
                        int value)

Deprecated.

Description copied from class: ByteBuf

Sets the specified 16-bit short integer at the specified absolute index in this buffer. The 16 high-order bits of the specified value are ignored. This method does not modify readerIndex or writerIndex of this buffer.

Overrides:

setShort in class AbstractByteBuf

_setShort

protected void _setShort(int index,
                         int value)

Deprecated.

Specified by:

_setShort in class AbstractByteBuf

setMedium

public ByteBuf setMedium(int index,
                         int value)

Deprecated.

Description copied from class: ByteBuf

Sets the specified 24-bit medium integer at the specified absolute index in this buffer. Please note that the most significant byte is ignored in the specified value. This method does not modify readerIndex or writerIndex of this buffer.

Overrides:

setMedium in class AbstractByteBuf

_setMedium

protected void _setMedium(int index,
                          int value)

Deprecated.

Specified by:

_setMedium in class AbstractByteBuf

setInt

public ByteBuf setInt(int index,
                      int value)

Deprecated.

Description copied from class: ByteBuf

Sets the specified 32-bit integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.

Overrides:

setInt in class AbstractByteBuf

_setInt

protected void _setInt(int index,
                       int value)

Deprecated.

Specified by:

_setInt in class AbstractByteBuf

setLong

public ByteBuf setLong(int index,
                       long value)

Deprecated.

Description copied from class: ByteBuf

Sets the specified 64-bit long integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.

Overrides:

setLong in class AbstractByteBuf

_setLong

protected void _setLong(int index,
                        long value)

Deprecated.

Specified by:

_setLong in class AbstractByteBuf

setBytes

public ByteBuf setBytes(int index,
                        byte[] src,
                        int srcIndex,
                        int length)

Deprecated.

Description copied from class: ByteBuf

Transfers the specified source array's data to this buffer starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.

Specified by:

setBytes in class ByteBuf

setBytes

public ByteBuf setBytes(int index,
                        ByteBuf src,
                        int srcIndex,
                        int length)

Deprecated.

Description copied from class: ByteBuf

Transfers the specified source buffer's data to this buffer starting at the specified absolute index. This method does not modify readerIndex or writerIndex of both the source (i.e. this) and the destination.

Specified by:

setBytes in class ByteBuf

srcIndex - the first index of the source

length - the number of bytes to transfer

setBytes

public ByteBuf setBytes(int index,
                        java.nio.ByteBuffer src)

Deprecated.

Description copied from class: ByteBuf

Transfers the specified source buffer's data to this buffer starting at the specified absolute index until the source buffer's position reaches its limit. This method does not modify readerIndex or writerIndex of this buffer.

Specified by:

setBytes in class ByteBuf

getBytes

public ByteBuf getBytes(int index,
                        java.io.OutputStream out,
                        int length)
                 throws java.io.IOException

Deprecated.

Description copied from class: ByteBuf

Transfers this buffer's data to the specified stream starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.

Specified by:

getBytes in class ByteBuf

length - the number of bytes to transfer

Throws:

java.io.IOException - if the specified stream threw an exception during I/O

getBytes

public int getBytes(int index,
                    java.nio.channels.GatheringByteChannel out,
                    int length)
             throws java.io.IOException

Deprecated.

Description copied from class: ByteBuf

Transfers this buffer's data to the specified channel starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.

Specified by:

getBytes in class ByteBuf

length - the maximum number of bytes to transfer

Returns:

the actual number of bytes written out to the specified channel

Throws:

java.io.IOException - if the specified channel threw an exception during I/O

setBytes

public int setBytes(int index,
                    java.io.InputStream in,
                    int length)
             throws java.io.IOException

Deprecated.

Description copied from class: ByteBuf

Transfers the content of the specified source stream to this buffer starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.

Specified by:

setBytes in class ByteBuf

length - the number of bytes to transfer

Returns:

the actual number of bytes read in from the specified channel. -1 if the specified channel is closed.

Throws:

java.io.IOException - if the specified stream threw an exception during I/O

setBytes

public int setBytes(int index,
                    java.nio.channels.ScatteringByteChannel in,
                    int length)
             throws java.io.IOException

Deprecated.

Description copied from class: ByteBuf

Transfers the content of the specified source channel to this buffer starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.

Specified by:

setBytes in class ByteBuf

length - the maximum number of bytes to transfer

Returns:

the actual number of bytes read in from the specified channel. -1 if the specified channel is closed.

Throws:

java.io.IOException - if the specified channel threw an exception during I/O

nioBufferCount

public int nioBufferCount()

Deprecated.

Description copied from class: ByteBuf

Returns the maximum number of NIO ByteBuffers that consist this buffer. Note that ByteBuf.nioBuffers() or ByteBuf.nioBuffers(int, int) might return a less number of ByteBuffers.

Specified by:

nioBufferCount in class ByteBuf

Returns:

-1 if this buffer has no underlying ByteBuffer. the number of the underlying ByteBuffers if this buffer has at least one underlying ByteBuffer. Note that this method does not return 0 to avoid confusion.

See Also:

ByteBuf.nioBuffer(), ByteBuf.nioBuffer(int, int), ByteBuf.nioBuffers(), ByteBuf.nioBuffers(int, int)

nioBuffers

public java.nio.ByteBuffer[] nioBuffers(int index,
                                        int length)

Deprecated.

Description copied from class: ByteBuf

Exposes this buffer's bytes as an NIO ByteBuffer's for the specified index and length The returned buffer either share or contains the copied content of this buffer, while changing the position and limit of the returned NIO buffer does not affect the indexes and marks of this buffer. This method does not modify readerIndex or writerIndex of this buffer. Please note that the returned NIO buffer will not see the changes of this buffer if this buffer is a dynamic buffer and it adjusted its capacity.

Specified by:

nioBuffers in class ByteBuf

See Also:

ByteBuf.nioBufferCount(), ByteBuf.nioBuffer(), ByteBuf.nioBuffer(int, int)

forEachByte

public int forEachByte(int index,
                       int length,
                       ByteBufProcessor processor)

Deprecated.

Description copied from class: ByteBuf

Iterates over the specified area of this buffer with the specified processor in ascending order. (i.e. index, (index + 1), .. (index + length - 1))

Overrides:

forEachByte in class AbstractByteBuf

Returns:

-1 if the processor iterated to or beyond the end of the specified area. The last-visited index If the ByteBufProcessor.process(byte) returned false.

forEachByteDesc

public int forEachByteDesc(int index,
                           int length,
                           ByteBufProcessor processor)

Deprecated.

Description copied from class: ByteBuf

Iterates over the specified area of this buffer with the specified processor in descending order. (i.e. (index + length - 1), (index + length - 2), ... index)

Overrides:

forEachByteDesc in class AbstractByteBuf

Returns:

-1 if the processor iterated to or beyond the beginning of the specified area. The last-visited index If the ByteBufProcessor.process(byte) returned false.