EmptyByteBuf (Netty/Buffer 4.1.33.Final API)

java.lang.Object
- io.netty.buffer.ByteBuf
- - io.netty.buffer.EmptyByteBuf

All Implemented Interfaces:

io.netty.util.ReferenceCounted, Comparable<ByteBuf>
```
public final class EmptyByteBuf
extends ByteBuf
```
An empty ByteBuf whose capacity and maximum capacity are all 0.

Constructor Summary

Constructors
Constructor and Description

EmptyByteBuf(ByteBufAllocator alloc)

Constructors
Constructor and Description
`EmptyByteBuf(ByteBufAllocator alloc)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`ByteBufAllocator`	`alloc()` Returns the `ByteBufAllocator` which created this buffer.
`byte[]`	`array()` Returns the backing byte array of this buffer.
`int`	`arrayOffset()` Returns the offset of the first byte within the backing byte array of this buffer.
`ByteBuf`	`asReadOnly()` Returns a read-only version of this buffer.
`int`	`bytesBefore(byte value)` Locates the first occurrence of the specified `value` in this buffer.
`int`	`bytesBefore(int length, byte value)` Locates the first occurrence of the specified `value` in this buffer.
`int`	`bytesBefore(int index, int length, byte value)` Locates the first occurrence of the specified `value` in this buffer.
`int`	`capacity()` Returns the number of bytes (octets) this buffer can contain.
`ByteBuf`	`capacity(int newCapacity)` Adjusts the capacity of this buffer.
`ByteBuf`	`clear()` Sets the `readerIndex` and `writerIndex` of this buffer to `0`.
`int`	`compareTo(ByteBuf buffer)` Compares the content of the specified buffer to the content of this buffer.
`ByteBuf`	`copy()` Returns a copy of this buffer's readable bytes.
`ByteBuf`	`copy(int index, int length)` Returns a copy of this buffer's sub-region.
`ByteBuf`	`discardReadBytes()` Discards the bytes between the 0th index and `readerIndex`.
`ByteBuf`	`discardSomeReadBytes()` Similar to `ByteBuf.discardReadBytes()` except that this method might discard some, all, or none of read bytes depending on its internal implementation to reduce overall memory bandwidth consumption at the cost of potentially additional memory consumption.
`ByteBuf`	`duplicate()` Returns a buffer which shares the whole region of this buffer.
`ByteBuf`	`ensureWritable(int minWritableBytes)` Expands the buffer `ByteBuf.capacity()` to make sure the number of writable bytes is equal to or greater than the specified value.
`int`	`ensureWritable(int minWritableBytes, boolean force)` Expands the buffer `ByteBuf.capacity()` to make sure the number of writable bytes is equal to or greater than the specified value.
`boolean`	`equals(Object obj)` Determines if the content of the specified buffer is identical to the content of this array.
`int`	`forEachByte(io.netty.util.ByteProcessor processor)` Iterates over the readable bytes of this buffer with the specified `processor` in ascending order.
`int`	`forEachByte(int index, int length, io.netty.util.ByteProcessor processor)` Iterates over the specified area of this buffer with the specified `processor` in ascending order.
`int`	`forEachByteDesc(io.netty.util.ByteProcessor processor)` Iterates over the readable bytes of this buffer with the specified `processor` in descending order.
`int`	`forEachByteDesc(int index, int length, io.netty.util.ByteProcessor processor)` Iterates over the specified area of this buffer with the specified `processor` in descending order.
`boolean`	`getBoolean(int index)` Gets a boolean at the specified absolute (@code index) in this buffer.
`byte`	`getByte(int index)` Gets a byte at the specified absolute `index` in this buffer.
`ByteBuf`	`getBytes(int index, byte[] dst)` Transfers this buffer's data to the specified destination starting at the specified absolute `index`.
`ByteBuf`	`getBytes(int index, byte[] dst, int dstIndex, int length)` Transfers this buffer's data to the specified destination starting at the specified absolute `index`.
`ByteBuf`	`getBytes(int index, ByteBuf dst)` Transfers this buffer's data to the specified destination starting at the specified absolute `index` until the destination becomes non-writable.
`ByteBuf`	`getBytes(int index, ByteBuffer dst)` 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 length)` Transfers this buffer's data to the specified destination starting at the specified absolute `index`.
`ByteBuf`	`getBytes(int index, ByteBuf dst, int dstIndex, int length)` Transfers this buffer's data to the specified destination starting at the specified absolute `index`.
`int`	`getBytes(int index, FileChannel out, long position, int length)` Transfers this buffer's data starting at the specified absolute `index` to the specified channel starting at the given file position.
`int`	`getBytes(int index, GatheringByteChannel out, int length)` Transfers this buffer's data to the specified channel starting at the specified absolute `index`.
`ByteBuf`	`getBytes(int index, OutputStream out, int length)` Transfers this buffer's data to the specified stream starting at the specified absolute `index`.
`char`	`getChar(int index)` Gets a 2-byte UTF-16 character at the specified absolute `index` in this buffer.
`CharSequence`	`getCharSequence(int index, int length, Charset charset)` Gets a `CharSequence` with the given length at the given index.
`double`	`getDouble(int index)` Gets a 64-bit floating point number at the specified absolute `index` in this buffer.
`float`	`getFloat(int index)` Gets a 32-bit floating point number at the specified absolute `index` in this buffer.
`int`	`getInt(int index)` Gets a 32-bit integer at the specified absolute `index` in this buffer.
`int`	`getIntLE(int index)` Gets a 32-bit integer at the specified absolute `index` in this buffer with Little Endian Byte Order.
`long`	`getLong(int index)` Gets a 64-bit long integer at the specified absolute `index` in this buffer.
`long`	`getLongLE(int index)` Gets a 64-bit long integer at the specified absolute `index` in this buffer in Little Endian Byte Order.
`int`	`getMedium(int index)` Gets a 24-bit medium integer at the specified absolute `index` in this buffer.
`int`	`getMediumLE(int index)` Gets a 24-bit medium integer at the specified absolute `index` in this buffer in the Little Endian Byte Order.
`short`	`getShort(int index)` Gets a 16-bit short integer at the specified absolute `index` in this buffer.
`short`	`getShortLE(int index)` Gets a 16-bit short integer at the specified absolute `index` in this buffer in Little Endian Byte Order.
`short`	`getUnsignedByte(int index)` Gets an unsigned byte at the specified absolute `index` in this buffer.
`long`	`getUnsignedInt(int index)` Gets an unsigned 32-bit integer at the specified absolute `index` in this buffer.
`long`	`getUnsignedIntLE(int index)` Gets an unsigned 32-bit integer at the specified absolute `index` in this buffer in Little Endian Byte Order.
`int`	`getUnsignedMedium(int index)` Gets an unsigned 24-bit medium integer at the specified absolute `index` in this buffer.
`int`	`getUnsignedMediumLE(int index)` Gets an unsigned 24-bit medium integer at the specified absolute `index` in this buffer in Little Endian Byte Order.
`int`	`getUnsignedShort(int index)` Gets an unsigned 16-bit short integer at the specified absolute `index` in this buffer.
`int`	`getUnsignedShortLE(int index)` Gets an unsigned 16-bit short integer at the specified absolute `index` in this buffer in Little Endian Byte Order.
`boolean`	`hasArray()` Returns `true` if and only if this buffer has a backing byte array.
`int`	`hashCode()` Returns a hash code which was calculated from the content of this buffer.
`boolean`	`hasMemoryAddress()` Returns `true` if and only if this buffer has a reference to the low-level memory address that points to the backing data.
`int`	`indexOf(int fromIndex, int toIndex, byte value)` Locates the first occurrence of the specified `value` in this buffer.
`ByteBuffer`	`internalNioBuffer(int index, int length)` Internal use only: Exposes the internal NIO buffer.
`boolean`	`isDirect()` Returns `true` if and only if this buffer is backed by an NIO direct buffer.
`boolean`	`isReadable()` Returns `true` if and only if `(this.writerIndex - this.readerIndex)` is greater than `0`.
`boolean`	`isReadable(int size)` Returns `true` if and only if this buffer contains equal to or more than the specified number of elements.
`boolean`	`isReadOnly()` Returns `true` if and only if this buffer is read-only.
`boolean`	`isWritable()` Returns `true` if and only if `(this.capacity - this.writerIndex)` is greater than `0`.
`boolean`	`isWritable(int size)` Returns `true` if and only if this buffer has enough room to allow writing the specified number of elements.
`ByteBuf`	`markReaderIndex()` Marks the current `readerIndex` in this buffer.
`ByteBuf`	`markWriterIndex()` Marks the current `writerIndex` in this buffer.
`int`	`maxCapacity()` Returns the maximum allowed capacity of this buffer.
`int`	`maxWritableBytes()` Returns the maximum possible number of writable bytes, which is equal to `(this.maxCapacity - this.writerIndex)`.
`long`	`memoryAddress()` Returns the low-level memory address that point to the first byte of ths backing data.
`ByteBuffer`	`nioBuffer()` Exposes this buffer's readable bytes as an NIO `ByteBuffer`.
`ByteBuffer`	`nioBuffer(int index, int length)` Exposes this buffer's sub-region as an NIO `ByteBuffer`.
`int`	`nioBufferCount()` Returns the maximum number of NIO `ByteBuffer`s that consist this buffer.
`ByteBuffer[]`	`nioBuffers()` Exposes this buffer's readable bytes as an NIO `ByteBuffer`'s.
`ByteBuffer[]`	`nioBuffers(int index, int length)` 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.
`ByteOrder`	`order()` Returns the endianness of this buffer.
`ByteBuf`	`order(ByteOrder endianness)` Returns a buffer with the specified `endianness` which shares the whole region, indexes, and marks of this buffer.
`int`	`readableBytes()` Returns the number of readable bytes which is equal to `(this.writerIndex - this.readerIndex)`.
`boolean`	`readBoolean()` Gets a boolean at the current `readerIndex` and increases the `readerIndex` by `1` in this buffer.
`byte`	`readByte()` Gets a byte at the current `readerIndex` and increases the `readerIndex` by `1` in this buffer.
`ByteBuf`	`readBytes(byte[] dst)` Transfers this buffer's data to the specified destination starting at the current `readerIndex` and increases the `readerIndex` by the number of the transferred bytes (= `dst.length`).
`ByteBuf`	`readBytes(byte[] dst, int dstIndex, int length)` Transfers this buffer's data to the specified destination starting at the current `readerIndex` and increases the `readerIndex` by the number of the transferred bytes (= `length`).
`ByteBuf`	`readBytes(ByteBuf dst)` Transfers this buffer's data to the specified destination starting at the current `readerIndex` until the destination becomes non-writable, and increases the `readerIndex` by the number of the transferred bytes.
`ByteBuf`	`readBytes(ByteBuffer dst)` Transfers this buffer's data to the specified destination starting at the current `readerIndex` until the destination's position reaches its limit, and increases the `readerIndex` by the number of the transferred bytes.
`ByteBuf`	`readBytes(ByteBuf dst, int length)` Transfers this buffer's data to the specified destination starting at the current `readerIndex` and increases the `readerIndex` by the number of the transferred bytes (= `length`).
`ByteBuf`	`readBytes(ByteBuf dst, int dstIndex, int length)` Transfers this buffer's data to the specified destination starting at the current `readerIndex` and increases the `readerIndex` by the number of the transferred bytes (= `length`).
`int`	`readBytes(FileChannel out, long position, int length)` Transfers this buffer's data starting at the current `readerIndex` to the specified channel starting at the given file position.
`int`	`readBytes(GatheringByteChannel out, int length)` Transfers this buffer's data to the specified stream starting at the current `readerIndex`.
`ByteBuf`	`readBytes(int length)` Transfers this buffer's data to a newly created buffer starting at the current `readerIndex` and increases the `readerIndex` by the number of the transferred bytes (= `length`).
`ByteBuf`	`readBytes(OutputStream out, int length)` Transfers this buffer's data to the specified stream starting at the current `readerIndex`.
`char`	`readChar()` Gets a 2-byte UTF-16 character at the current `readerIndex` and increases the `readerIndex` by `2` in this buffer.
`CharSequence`	`readCharSequence(int length, Charset charset)` Gets a `CharSequence` with the given length at the current `readerIndex` and increases the `readerIndex` by the given length.
`double`	`readDouble()` Gets a 64-bit floating point number at the current `readerIndex` and increases the `readerIndex` by `8` in this buffer.
`int`	`readerIndex()` Returns the `readerIndex` of this buffer.
`ByteBuf`	`readerIndex(int readerIndex)` Sets the `readerIndex` of this buffer.
`float`	`readFloat()` Gets a 32-bit floating point number at the current `readerIndex` and increases the `readerIndex` by `4` in this buffer.
`int`	`readInt()` Gets a 32-bit integer at the current `readerIndex` and increases the `readerIndex` by `4` in this buffer.
`int`	`readIntLE()` Gets a 32-bit integer at the current `readerIndex` in the Little Endian Byte Order and increases the `readerIndex` by `4` in this buffer.
`long`	`readLong()` Gets a 64-bit integer at the current `readerIndex` and increases the `readerIndex` by `8` in this buffer.
`long`	`readLongLE()` Gets a 64-bit integer at the current `readerIndex` in the Little Endian Byte Order and increases the `readerIndex` by `8` in this buffer.
`int`	`readMedium()` Gets a 24-bit medium integer at the current `readerIndex` and increases the `readerIndex` by `3` in this buffer.
`int`	`readMediumLE()` Gets a 24-bit medium integer at the current `readerIndex` in the Little Endian Byte Order and increases the `readerIndex` by `3` in this buffer.
`ByteBuf`	`readRetainedSlice(int length)` Returns a new retained slice of this buffer's sub-region starting at the current `readerIndex` and increases the `readerIndex` by the size of the new slice (= `length`).
`short`	`readShort()` Gets a 16-bit short integer at the current `readerIndex` and increases the `readerIndex` by `2` in this buffer.
`short`	`readShortLE()` Gets a 16-bit short integer at the current `readerIndex` in the Little Endian Byte Order and increases the `readerIndex` by `2` in this buffer.
`ByteBuf`	`readSlice(int length)` Returns a new slice of this buffer's sub-region starting at the current `readerIndex` and increases the `readerIndex` by the size of the new slice (= `length`).
`short`	`readUnsignedByte()` Gets an unsigned byte at the current `readerIndex` and increases the `readerIndex` by `1` in this buffer.
`long`	`readUnsignedInt()` Gets an unsigned 32-bit integer at the current `readerIndex` and increases the `readerIndex` by `4` in this buffer.
`long`	`readUnsignedIntLE()` Gets an unsigned 32-bit integer at the current `readerIndex` in the Little Endian Byte Order and increases the `readerIndex` by `4` in this buffer.
`int`	`readUnsignedMedium()` Gets an unsigned 24-bit medium integer at the current `readerIndex` and increases the `readerIndex` by `3` in this buffer.
`int`	`readUnsignedMediumLE()` Gets an unsigned 24-bit medium integer at the current `readerIndex` in the Little Endian Byte Order and increases the `readerIndex` by `3` in this buffer.
`int`	`readUnsignedShort()` Gets an unsigned 16-bit short integer at the current `readerIndex` and increases the `readerIndex` by `2` in this buffer.
`int`	`readUnsignedShortLE()` Gets an unsigned 16-bit short integer at the current `readerIndex` in the Little Endian Byte Order and increases the `readerIndex` by `2` in this buffer.
`int`	`refCnt()`
`boolean`	`release()`
`boolean`	`release(int decrement)`
`ByteBuf`	`resetReaderIndex()` Repositions the current `readerIndex` to the marked `readerIndex` in this buffer.
`ByteBuf`	`resetWriterIndex()` Repositions the current `writerIndex` to the marked `writerIndex` in this buffer.
`ByteBuf`	`retain()`
`ByteBuf`	`retain(int increment)`
`ByteBuf`	`retainedDuplicate()` Returns a retained buffer which shares the whole region of this buffer.
`ByteBuf`	`retainedSlice()` Returns a retained slice of this buffer's readable bytes.
`ByteBuf`	`retainedSlice(int index, int length)` Returns a retained slice of this buffer's sub-region.
`ByteBuf`	`setBoolean(int index, boolean value)` Sets the specified boolean at the specified absolute `index` in this buffer.
`ByteBuf`	`setByte(int index, int value)` Sets the specified byte at the specified absolute `index` in this buffer.
`ByteBuf`	`setBytes(int index, byte[] src)` Transfers the specified source array's data to this buffer starting at the specified absolute `index`.
`ByteBuf`	`setBytes(int index, byte[] src, int srcIndex, int length)` Transfers the specified source array's data to this buffer starting at the specified absolute `index`.
`ByteBuf`	`setBytes(int index, ByteBuf src)` Transfers the specified source buffer's data to this buffer starting at the specified absolute `index` until the source buffer becomes unreadable.
`ByteBuf`	`setBytes(int index, ByteBuffer src)` 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 length)` Transfers the specified source buffer's data to this buffer starting at the specified absolute `index`.
`ByteBuf`	`setBytes(int index, ByteBuf src, int srcIndex, int length)` Transfers the specified source buffer's data to this buffer starting at the specified absolute `index`.
`int`	`setBytes(int index, FileChannel in, long position, int length)` Transfers the content of the specified source channel starting at the given file position to this buffer starting at the specified absolute `index`.
`int`	`setBytes(int index, InputStream in, int length)` Transfers the content of the specified source stream to this buffer starting at the specified absolute `index`.
`int`	`setBytes(int index, ScatteringByteChannel in, int length)` Transfers the content of the specified source channel to this buffer starting at the specified absolute `index`.
`ByteBuf`	`setChar(int index, int value)` Sets the specified 2-byte UTF-16 character at the specified absolute `index` in this buffer.
`int`	`setCharSequence(int index, CharSequence sequence, Charset charset)` Writes the specified `CharSequence` at the current `writerIndex` and increases the `writerIndex` by the written bytes.
`ByteBuf`	`setDouble(int index, double value)` Sets the specified 64-bit floating-point number at the specified absolute `index` in this buffer.
`ByteBuf`	`setFloat(int index, float value)` Sets the specified 32-bit floating-point number at the specified absolute `index` in this buffer.
`ByteBuf`	`setIndex(int readerIndex, int writerIndex)` Sets the `readerIndex` and `writerIndex` of this buffer in one shot.
`ByteBuf`	`setInt(int index, int value)` Sets the specified 32-bit integer at the specified absolute `index` in this buffer.
`ByteBuf`	`setIntLE(int index, int value)` Sets the specified 32-bit integer at the specified absolute `index` in this buffer with Little Endian byte order .
`ByteBuf`	`setLong(int index, long value)` Sets the specified 64-bit long integer at the specified absolute `index` in this buffer.
`ByteBuf`	`setLongLE(int index, long value)` Sets the specified 64-bit long integer at the specified absolute `index` in this buffer in Little Endian Byte Order.
`ByteBuf`	`setMedium(int index, int value)` Sets the specified 24-bit medium integer at the specified absolute `index` in this buffer.
`ByteBuf`	`setMediumLE(int index, int value)` Sets the specified 24-bit medium integer at the specified absolute `index` in this buffer in the Little Endian Byte Order.
`ByteBuf`	`setShort(int index, int value)` Sets the specified 16-bit short integer at the specified absolute `index` in this buffer.
`ByteBuf`	`setShortLE(int index, int value)` Sets the specified 16-bit short integer at the specified absolute `index` in this buffer with the Little Endian Byte Order.
`ByteBuf`	`setZero(int index, int length)` Fills this buffer with `NUL (0x00)` starting at the specified absolute `index`.
`ByteBuf`	`skipBytes(int length)` Increases the current `readerIndex` by the specified `length` in this buffer.
`ByteBuf`	`slice()` Returns a slice of this buffer's readable bytes.
`ByteBuf`	`slice(int index, int length)` Returns a slice of this buffer's sub-region.
`String`	`toString()` Returns the string representation of this buffer.
`String`	`toString(Charset charset)` Decodes this buffer's readable bytes into a string with the specified character set name.
`String`	`toString(int index, int length, Charset charset)` Decodes this buffer's sub-region into a string with the specified character set.
`ByteBuf`	`touch()`
`ByteBuf`	`touch(Object hint)`
`ByteBuf`	`unwrap()` Return the underlying buffer instance if this buffer is a wrapper of another buffer.
`int`	`writableBytes()` Returns the number of writable bytes which is equal to `(this.capacity - this.writerIndex)`.
`ByteBuf`	`writeBoolean(boolean value)` Sets the specified boolean at the current `writerIndex` and increases the `writerIndex` by `1` in this buffer.
`ByteBuf`	`writeByte(int value)` Sets the specified byte at the current `writerIndex` and increases the `writerIndex` by `1` in this buffer.
`ByteBuf`	`writeBytes(byte[] src)` Transfers the specified source array's data to this buffer starting at the current `writerIndex` and increases the `writerIndex` by the number of the transferred bytes (= `src.length`).
`ByteBuf`	`writeBytes(byte[] src, int srcIndex, int length)` Transfers the specified source array's data to this buffer starting at the current `writerIndex` and increases the `writerIndex` by the number of the transferred bytes (= `length`).
`ByteBuf`	`writeBytes(ByteBuf src)` Transfers the specified source buffer's data to this buffer starting at the current `writerIndex` until the source buffer becomes unreadable, and increases the `writerIndex` by the number of the transferred bytes.
`ByteBuf`	`writeBytes(ByteBuffer src)` Transfers the specified source buffer's data to this buffer starting at the current `writerIndex` until the source buffer's position reaches its limit, and increases the `writerIndex` by the number of the transferred bytes.
`ByteBuf`	`writeBytes(ByteBuf src, int length)` Transfers the specified source buffer's data to this buffer starting at the current `writerIndex` and increases the `writerIndex` by the number of the transferred bytes (= `length`).
`ByteBuf`	`writeBytes(ByteBuf src, int srcIndex, int length)` Transfers the specified source buffer's data to this buffer starting at the current `writerIndex` and increases the `writerIndex` by the number of the transferred bytes (= `length`).
`int`	`writeBytes(FileChannel in, long position, int length)` Transfers the content of the specified channel starting at the given file position to this buffer starting at the current `writerIndex` and increases the `writerIndex` by the number of the transferred bytes.
`int`	`writeBytes(InputStream in, int length)` Transfers the content of the specified stream to this buffer starting at the current `writerIndex` and increases the `writerIndex` by the number of the transferred bytes.
`int`	`writeBytes(ScatteringByteChannel in, int length)` Transfers the content of the specified channel to this buffer starting at the current `writerIndex` and increases the `writerIndex` by the number of the transferred bytes.
`ByteBuf`	`writeChar(int value)` Sets the specified 2-byte UTF-16 character at the current `writerIndex` and increases the `writerIndex` by `2` in this buffer.
`int`	`writeCharSequence(CharSequence sequence, Charset charset)` Writes the specified `CharSequence` at the current `writerIndex` and increases the `writerIndex` by the written bytes.
`ByteBuf`	`writeDouble(double value)` Sets the specified 64-bit floating point number at the current `writerIndex` and increases the `writerIndex` by `8` in this buffer.
`ByteBuf`	`writeFloat(float value)` Sets the specified 32-bit floating point number at the current `writerIndex` and increases the `writerIndex` by `4` in this buffer.
`ByteBuf`	`writeInt(int value)` Sets the specified 32-bit integer at the current `writerIndex` and increases the `writerIndex` by `4` in this buffer.
`ByteBuf`	`writeIntLE(int value)` Sets the specified 32-bit integer at the current `writerIndex` in the Little Endian Byte Order and increases the `writerIndex` by `4` in this buffer.
`ByteBuf`	`writeLong(long value)` Sets the specified 64-bit long integer at the current `writerIndex` and increases the `writerIndex` by `8` in this buffer.
`ByteBuf`	`writeLongLE(long value)` Sets the specified 64-bit long integer at the current `writerIndex` in the Little Endian Byte Order and increases the `writerIndex` by `8` in this buffer.
`ByteBuf`	`writeMedium(int value)` Sets the specified 24-bit medium integer at the current `writerIndex` and increases the `writerIndex` by `3` in this buffer.
`ByteBuf`	`writeMediumLE(int value)` Sets the specified 24-bit medium integer at the current `writerIndex` in the Little Endian Byte Order and increases the `writerIndex` by `3` in this buffer.
`int`	`writerIndex()` Returns the `writerIndex` of this buffer.
`ByteBuf`	`writerIndex(int writerIndex)` Sets the `writerIndex` of this buffer.
`ByteBuf`	`writeShort(int value)` Sets the specified 16-bit short integer at the current `writerIndex` and increases the `writerIndex` by `2` in this buffer.
`ByteBuf`	`writeShortLE(int value)` Sets the specified 16-bit short integer in the Little Endian Byte Order at the current `writerIndex` and increases the `writerIndex` by `2` in this buffer.
`ByteBuf`	`writeZero(int length)` Fills this buffer with `NUL (0x00)` starting at the current `writerIndex` and increases the `writerIndex` by the specified `length`.

Methods inherited from class io.netty.buffer.ByteBuf
getDoubleLE, getFloatLE, readDoubleLE, readFloatLE, setDoubleLE, setFloatLE, writeDoubleLE, writeFloatLE

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - EmptyByteBuf
```
public EmptyByteBuf(ByteBufAllocator alloc)
```
- Method Detail
  - capacity
```
public int capacity()
```
    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)
```
    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
  - alloc
```
public ByteBufAllocator alloc()
```
    Description copied from class: ByteBuf
    
    Returns the ByteBufAllocator which created this buffer.
    
    Specified by:
    
    alloc in class ByteBuf
  - order
```
public ByteOrder order()
```
    Description copied from class: ByteBuf
    
    Returns the endianness of this buffer.
    
    Specified by:
    
    order in class ByteBuf
  - unwrap
```
public ByteBuf unwrap()
```
    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
  - asReadOnly
```
public ByteBuf asReadOnly()
```
    Description copied from class: ByteBuf
    
    Returns a read-only version of this buffer.
    
    Specified by:
    
    asReadOnly in class ByteBuf
  - isReadOnly
```
public boolean isReadOnly()
```
    Description copied from class: ByteBuf
    
    Returns true if and only if this buffer is read-only.
    
    Specified by:
    
    isReadOnly in class ByteBuf
  - isDirect
```
public boolean isDirect()
```
    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
  - maxCapacity
```
public int maxCapacity()
```
    Description copied from class: ByteBuf
    
    Returns the maximum allowed capacity of this buffer. This value provides an upper bound on ByteBuf.capacity().
    
    Specified by:
    
    maxCapacity in class ByteBuf
  - order
```
public ByteBuf order(ByteOrder endianness)
```
    Description copied from class: ByteBuf
    
    Returns a buffer with the specified endianness which shares the whole region, indexes, and marks of this buffer. Modifying the content, the indexes, or the marks of the returned buffer or this buffer affects each other's content, indexes, and marks. If the specified endianness is identical to this buffer's byte order, this method can return this. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    order in class ByteBuf
  - readerIndex
```
public int readerIndex()
```
    Description copied from class: ByteBuf
    
    Returns the readerIndex of this buffer.
    
    Specified by:
    
    readerIndex in class ByteBuf
  - readerIndex
```
public ByteBuf readerIndex(int readerIndex)
```
    Description copied from class: ByteBuf
    
    Sets the readerIndex of this buffer.
    
    Specified by:
    
    readerIndex in class ByteBuf
  - writerIndex
```
public int writerIndex()
```
    Description copied from class: ByteBuf
    
    Returns the writerIndex of this buffer.
    
    Specified by:
    
    writerIndex in class ByteBuf
  - writerIndex
```
public ByteBuf writerIndex(int writerIndex)
```
    Description copied from class: ByteBuf
    
    Sets the writerIndex of this buffer.
    
    Specified by:
    
    writerIndex in class ByteBuf
  - setIndex
```
public ByteBuf setIndex(int readerIndex,
                        int writerIndex)
```
    Description copied from class: ByteBuf
    Sets the readerIndex and writerIndex of this buffer in one shot. This method is useful when you have to worry about the invocation order of ByteBuf.readerIndex(int) and ByteBuf.writerIndex(int) methods. For example, the following code will fail:
```
 // Create a buffer whose readerIndex, writerIndex and capacity are
 // 0, 0 and 8 respectively.
 ByteBuf buf = Unpooled.buffer(8);

 // IndexOutOfBoundsException is thrown because the specified
 // readerIndex (2) cannot be greater than the current writerIndex (0).
 buf.readerIndex(2);
 buf.writerIndex(4);
 
```
    The following code will also fail:
```
 // Create a buffer whose readerIndex, writerIndex and capacity are
 // 0, 8 and 8 respectively.
 ByteBuf buf = Unpooled.wrappedBuffer(new byte[8]);

 // readerIndex becomes 8.
 buf.readLong();

 // IndexOutOfBoundsException is thrown because the specified
 // writerIndex (4) cannot be less than the current readerIndex (8).
 buf.writerIndex(4);
 buf.readerIndex(2);
 
```
    By contrast, this method guarantees that it never throws an IndexOutOfBoundsException as long as the specified indexes meet basic constraints, regardless what the current index values of the buffer are:
```
 // No matter what the current state of the buffer is, the following
 // call always succeeds as long as the capacity of the buffer is not
 // less than 4.
 buf.setIndex(2, 4);
 
```
    Specified by:
    
    setIndex in class ByteBuf
  - readableBytes
```
public int readableBytes()
```
    Description copied from class: ByteBuf
    
    Returns the number of readable bytes which is equal to (this.writerIndex - this.readerIndex).
    
    Specified by:
    
    readableBytes in class ByteBuf
  - writableBytes
```
public int writableBytes()
```
    Description copied from class: ByteBuf
    
    Returns the number of writable bytes which is equal to (this.capacity - this.writerIndex).
    
    Specified by:
    
    writableBytes in class ByteBuf
  - maxWritableBytes
```
public int maxWritableBytes()
```
    Description copied from class: ByteBuf
    
    Returns the maximum possible number of writable bytes, which is equal to (this.maxCapacity - this.writerIndex).
    
    Specified by:
    
    maxWritableBytes in class ByteBuf
  - isReadable
```
public boolean isReadable()
```
    Description copied from class: ByteBuf
    
    Returns true if and only if (this.writerIndex - this.readerIndex) is greater than 0.
    
    Specified by:
    
    isReadable in class ByteBuf
  - isWritable
```
public boolean isWritable()
```
    Description copied from class: ByteBuf
    
    Returns true if and only if (this.capacity - this.writerIndex) is greater than 0.
    
    Specified by:
    
    isWritable in class ByteBuf
  - clear
```
public ByteBuf clear()
```
    Description copied from class: ByteBuf
    
    Sets the readerIndex and writerIndex of this buffer to 0. This method is identical to setIndex(0, 0).
    Please note that the behavior of this method is different from that of NIO buffer, which sets the limit to the capacity of the buffer.
    
    Specified by:
    
    clear in class ByteBuf
  - markReaderIndex
```
public ByteBuf markReaderIndex()
```
    Description copied from class: ByteBuf
    
    Marks the current readerIndex in this buffer. You can reposition the current readerIndex to the marked readerIndex by calling ByteBuf.resetReaderIndex(). The initial value of the marked readerIndex is 0.
    
    Specified by:
    
    markReaderIndex in class ByteBuf
  - resetReaderIndex
```
public ByteBuf resetReaderIndex()
```
    Description copied from class: ByteBuf
    
    Repositions the current readerIndex to the marked readerIndex in this buffer.
    
    Specified by:
    
    resetReaderIndex in class ByteBuf
  - markWriterIndex
```
public ByteBuf markWriterIndex()
```
    Description copied from class: ByteBuf
    
    Marks the current writerIndex in this buffer. You can reposition the current writerIndex to the marked writerIndex by calling ByteBuf.resetWriterIndex(). The initial value of the marked writerIndex is 0.
    
    Specified by:
    
    markWriterIndex in class ByteBuf
  - resetWriterIndex
```
public ByteBuf resetWriterIndex()
```
    Description copied from class: ByteBuf
    
    Repositions the current writerIndex to the marked writerIndex in this buffer.
    
    Specified by:
    
    resetWriterIndex in class ByteBuf
  - discardReadBytes
```
public ByteBuf discardReadBytes()
```
    Description copied from class: ByteBuf
    
    Discards the bytes between the 0th index and readerIndex. It moves the bytes between readerIndex and writerIndex to the 0th index, and sets readerIndex and writerIndex to 0 and oldWriterIndex - oldReaderIndex respectively.
    Please refer to the class documentation for more detailed explanation.
    
    Specified by:
    
    discardReadBytes in class ByteBuf
  - discardSomeReadBytes
```
public ByteBuf discardSomeReadBytes()
```
    Description copied from class: ByteBuf
    
    Similar to ByteBuf.discardReadBytes() except that this method might discard some, all, or none of read bytes depending on its internal implementation to reduce overall memory bandwidth consumption at the cost of potentially additional memory consumption.
    
    Specified by:
    
    discardSomeReadBytes in class ByteBuf
  - ensureWritable
```
public ByteBuf ensureWritable(int minWritableBytes)
```
    Description copied from class: ByteBuf
    
    Expands the buffer ByteBuf.capacity() to make sure the number of writable bytes is equal to or greater than the specified value. If there are enough writable bytes in this buffer, this method returns with no side effect.
    
    Specified by:
    
    ensureWritable in class ByteBuf
    
    Parameters:
    
    minWritableBytes - the expected minimum number of writable bytes
    
    See Also:
    
    ByteBuf.capacity(int)
  - ensureWritable
```
public int ensureWritable(int minWritableBytes,
                          boolean force)
```
    Description copied from class: ByteBuf
    
    Expands the buffer ByteBuf.capacity() to make sure the number of writable bytes is equal to or greater than the specified value. Unlike ByteBuf.ensureWritable(int), this method returns a status code.
    Specified by:
    
    ensureWritable in class ByteBuf
    
    Parameters:
    
    minWritableBytes - the expected minimum number of writable bytes
    force - When ByteBuf.writerIndex() + minWritableBytes > ByteBuf.maxCapacity():
    
    true - the capacity of the buffer is expanded to ByteBuf.maxCapacity()
    
    false - the capacity of the buffer is unchanged
    Returns:
    
    0 if the buffer has enough writable bytes, and its capacity is unchanged. 1 if the buffer does not have enough bytes, and its capacity is unchanged. 2 if the buffer has enough writable bytes, and its capacity has been increased. 3 if the buffer does not have enough bytes, but its capacity has been increased to its maximum.
  - getBoolean
```
public boolean getBoolean(int index)
```
    Description copied from class: ByteBuf
    
    Gets a boolean at the specified absolute (@code index) in this buffer. This method does not modify the readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getBoolean in class ByteBuf
  - getByte
```
public byte getByte(int index)
```
    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.
    
    Specified by:
    
    getByte in class ByteBuf
  - getUnsignedByte
```
public short getUnsignedByte(int index)
```
    Description copied from class: ByteBuf
    
    Gets an unsigned byte at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getUnsignedByte in class ByteBuf
  - getShort
```
public short getShort(int index)
```
    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.
    
    Specified by:
    
    getShort in class ByteBuf
  - getShortLE
```
public short getShortLE(int index)
```
    Description copied from class: ByteBuf
    
    Gets a 16-bit short integer at the specified absolute index in this buffer in Little Endian Byte Order. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getShortLE in class ByteBuf
  - getUnsignedShort
```
public int getUnsignedShort(int index)
```
    Description copied from class: ByteBuf
    
    Gets an unsigned 16-bit short integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getUnsignedShort in class ByteBuf
  - getUnsignedShortLE
```
public int getUnsignedShortLE(int index)
```
    Description copied from class: ByteBuf
    
    Gets an unsigned 16-bit short integer at the specified absolute index in this buffer in Little Endian Byte Order. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getUnsignedShortLE in class ByteBuf
  - getMedium
```
public int getMedium(int index)
```
    Description copied from class: ByteBuf
    
    Gets a 24-bit medium integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getMedium in class ByteBuf
  - getMediumLE
```
public int getMediumLE(int index)
```
    Description copied from class: ByteBuf
    
    Gets a 24-bit medium integer at the specified absolute index in this buffer in the Little Endian Byte Order. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getMediumLE in class ByteBuf
  - getUnsignedMedium
```
public int getUnsignedMedium(int index)
```
    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.
    
    Specified by:
    
    getUnsignedMedium in class ByteBuf
  - getUnsignedMediumLE
```
public int getUnsignedMediumLE(int index)
```
    Description copied from class: ByteBuf
    
    Gets an unsigned 24-bit medium integer at the specified absolute index in this buffer in Little Endian Byte Order. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getUnsignedMediumLE in class ByteBuf
  - getInt
```
public int getInt(int index)
```
    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.
    
    Specified by:
    
    getInt in class ByteBuf
  - getIntLE
```
public int getIntLE(int index)
```
    Description copied from class: ByteBuf
    
    Gets a 32-bit integer at the specified absolute index in this buffer with Little Endian Byte Order. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getIntLE in class ByteBuf
  - getUnsignedInt
```
public long getUnsignedInt(int index)
```
    Description copied from class: ByteBuf
    
    Gets an unsigned 32-bit integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getUnsignedInt in class ByteBuf
  - getUnsignedIntLE
```
public long getUnsignedIntLE(int index)
```
    Description copied from class: ByteBuf
    
    Gets an unsigned 32-bit integer at the specified absolute index in this buffer in Little Endian Byte Order. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getUnsignedIntLE in class ByteBuf
  - getLong
```
public long getLong(int index)
```
    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.
    
    Specified by:
    
    getLong in class ByteBuf
  - getLongLE
```
public long getLongLE(int index)
```
    Description copied from class: ByteBuf
    
    Gets a 64-bit long integer at the specified absolute index in this buffer in Little Endian Byte Order. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getLongLE in class ByteBuf
  - getChar
```
public char getChar(int index)
```
    Description copied from class: ByteBuf
    
    Gets a 2-byte UTF-16 character at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getChar in class ByteBuf
  - getFloat
```
public float getFloat(int index)
```
    Description copied from class: ByteBuf
    
    Gets a 32-bit floating point number at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getFloat in class ByteBuf
  - getDouble
```
public double getDouble(int index)
```
    Description copied from class: ByteBuf
    
    Gets a 64-bit floating point number at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    getDouble in class ByteBuf
  - getBytes
```
public ByteBuf getBytes(int index,
                        ByteBuf dst)
```
    Description copied from class: ByteBuf
    
    Transfers this buffer's data to the specified destination starting at the specified absolute index until the destination becomes non-writable. This method is basically same with ByteBuf.getBytes(int, ByteBuf, int, int), except that this method increases the writerIndex of the destination by the number of the transferred bytes while ByteBuf.getBytes(int, ByteBuf, int, int) does not. This method does not modify readerIndex or writerIndex of the source buffer (i.e. this).
    
    Specified by:
    
    getBytes in class ByteBuf
  - getBytes
```
public ByteBuf getBytes(int index,
                        ByteBuf dst,
                        int length)
```
    Description copied from class: ByteBuf
    
    Transfers this buffer's data to the specified destination starting at the specified absolute index. This method is basically same with ByteBuf.getBytes(int, ByteBuf, int, int), except that this method increases the writerIndex of the destination by the number of the transferred bytes while ByteBuf.getBytes(int, ByteBuf, int, int) does not. This method does not modify readerIndex or writerIndex of the source buffer (i.e. this).
    
    Specified by:
    
    getBytes in class ByteBuf
    
    length - the number of bytes to transfer
  - getBytes
```
public ByteBuf getBytes(int index,
                        ByteBuf dst,
                        int dstIndex,
                        int length)
```
    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)
```
    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
  - getBytes
```
public ByteBuf getBytes(int index,
                        byte[] dst,
                        int dstIndex,
                        int length)
```
    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,
                        ByteBuffer dst)
```
    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
  - getBytes
```
public ByteBuf getBytes(int index,
                        OutputStream out,
                        int length)
```
    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
  - getBytes
```
public int getBytes(int index,
                    GatheringByteChannel out,
                    int length)
```
    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
  - getBytes
```
public int getBytes(int index,
                    FileChannel out,
                    long position,
                    int length)
```
    Description copied from class: ByteBuf
    
    Transfers this buffer's data starting at the specified absolute index to the specified channel starting at the given file position. This method does not modify readerIndex or writerIndex of this buffer. This method does not modify the channel's position.
    
    Specified by:
    
    getBytes in class ByteBuf
    
    position - the file position at which the transfer is to begin
    
    length - the maximum number of bytes to transfer
    
    Returns:
    
    the actual number of bytes written out to the specified channel
  - getCharSequence
```
public CharSequence getCharSequence(int index,
                                    int length,
                                    Charset charset)
```
    Description copied from class: ByteBuf
    
    Gets a CharSequence with the given length at the given index.
    
    Specified by:
    
    getCharSequence in class ByteBuf
    
    length - the length to read
    
    charset - that should be used
    
    Returns:
    
    the sequence
  - setBoolean
```
public ByteBuf setBoolean(int index,
                          boolean value)
```
    Description copied from class: ByteBuf
    
    Sets the specified boolean at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    setBoolean in class ByteBuf
  - setByte
```
public ByteBuf setByte(int index,
                       int value)
```
    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.
    
    Specified by:
    
    setByte in class ByteBuf
  - setShort
```
public ByteBuf setShort(int index,
                        int value)
```
    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.
    
    Specified by:
    
    setShort in class ByteBuf
  - setShortLE
```
public ByteBuf setShortLE(int index,
                          int value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 16-bit short integer at the specified absolute index in this buffer with the Little Endian Byte Order. The 16 high-order bits of the specified value are ignored. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    setShortLE in class ByteBuf
  - setMedium
```
public ByteBuf setMedium(int index,
                         int value)
```
    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.
    
    Specified by:
    
    setMedium in class ByteBuf
  - setMediumLE
```
public ByteBuf setMediumLE(int index,
                           int value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 24-bit medium integer at the specified absolute index in this buffer in the Little Endian Byte Order. Please note that the most significant byte is ignored in the specified value. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    setMediumLE in class ByteBuf
  - setInt
```
public ByteBuf setInt(int index,
                      int value)
```
    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.
    
    Specified by:
    
    setInt in class ByteBuf
  - setIntLE
```
public ByteBuf setIntLE(int index,
                        int value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 32-bit integer at the specified absolute index in this buffer with Little Endian byte order . This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    setIntLE in class ByteBuf
  - setLong
```
public ByteBuf setLong(int index,
                       long value)
```
    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.
    
    Specified by:
    
    setLong in class ByteBuf
  - setLongLE
```
public ByteBuf setLongLE(int index,
                         long value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 64-bit long integer at the specified absolute index in this buffer in Little Endian Byte Order. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    setLongLE in class ByteBuf
  - setChar
```
public ByteBuf setChar(int index,
                       int value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 2-byte UTF-16 character 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.
    
    Specified by:
    
    setChar in class ByteBuf
  - setFloat
```
public ByteBuf setFloat(int index,
                        float value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 32-bit floating-point number at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    setFloat in class ByteBuf
  - setDouble
```
public ByteBuf setDouble(int index,
                         double value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 64-bit floating-point number at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    setDouble in class ByteBuf
  - setBytes
```
public ByteBuf setBytes(int index,
                        ByteBuf src)
```
    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 becomes unreadable. This method is basically same with ByteBuf.setBytes(int, ByteBuf, int, int), except that this method increases the readerIndex of the source buffer by the number of the transferred bytes while ByteBuf.setBytes(int, ByteBuf, int, int) does not. This method does not modify readerIndex or writerIndex of the source buffer (i.e. this).
    
    Specified by:
    
    setBytes in class ByteBuf
  - setBytes
```
public ByteBuf setBytes(int index,
                        ByteBuf src,
                        int length)
```
    Description copied from class: ByteBuf
    
    Transfers the specified source buffer's data to this buffer starting at the specified absolute index. This method is basically same with ByteBuf.setBytes(int, ByteBuf, int, int), except that this method increases the readerIndex of the source buffer by the number of the transferred bytes while ByteBuf.setBytes(int, ByteBuf, int, int) does not. This method does not modify readerIndex or writerIndex of the source buffer (i.e. this).
    
    Specified by:
    
    setBytes in class ByteBuf
    
    length - the number of bytes to transfer
  - setBytes
```
public ByteBuf setBytes(int index,
                        ByteBuf src,
                        int srcIndex,
                        int length)
```
    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,
                        byte[] src)
```
    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,
                        byte[] src,
                        int srcIndex,
                        int length)
```
    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,
                        ByteBuffer src)
```
    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
  - setBytes
```
public int setBytes(int index,
                    InputStream in,
                    int length)
```
    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.
  - setBytes
```
public int setBytes(int index,
                    ScatteringByteChannel in,
                    int length)
```
    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.
  - setBytes
```
public int setBytes(int index,
                    FileChannel in,
                    long position,
                    int length)
```
    Description copied from class: ByteBuf
    
    Transfers the content of the specified source channel starting at the given file position to this buffer starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer. This method does not modify the channel's position.
    
    Specified by:
    
    setBytes in class ByteBuf
    
    position - the file position at which the transfer is to begin
    
    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.
  - setZero
```
public ByteBuf setZero(int index,
                       int length)
```
    Description copied from class: ByteBuf
    
    Fills this buffer with NUL (0x00) starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    setZero in class ByteBuf
    
    length - the number of NULs to write to the buffer
  - setCharSequence
```
public int setCharSequence(int index,
                           CharSequence sequence,
                           Charset charset)
```
    Description copied from class: ByteBuf
    
    Writes the specified CharSequence at the current writerIndex and increases the writerIndex by the written bytes.
    
    Specified by:
    
    setCharSequence in class ByteBuf
    
    Parameters:
    
    index - on which the sequence should be written
    
    sequence - to write
    
    charset - that should be used.
    
    Returns:
    
    the written number of bytes.
  - readBoolean
```
public boolean readBoolean()
```
    Description copied from class: ByteBuf
    
    Gets a boolean at the current readerIndex and increases the readerIndex by 1 in this buffer.
    
    Specified by:
    
    readBoolean in class ByteBuf
  - readByte
```
public byte readByte()
```
    Description copied from class: ByteBuf
    
    Gets a byte at the current readerIndex and increases the readerIndex by 1 in this buffer.
    
    Specified by:
    
    readByte in class ByteBuf
  - readUnsignedByte
```
public short readUnsignedByte()
```
    Description copied from class: ByteBuf
    
    Gets an unsigned byte at the current readerIndex and increases the readerIndex by 1 in this buffer.
    
    Specified by:
    
    readUnsignedByte in class ByteBuf
  - readShort
```
public short readShort()
```
    Description copied from class: ByteBuf
    
    Gets a 16-bit short integer at the current readerIndex and increases the readerIndex by 2 in this buffer.
    
    Specified by:
    
    readShort in class ByteBuf
  - readShortLE
```
public short readShortLE()
```
    Description copied from class: ByteBuf
    
    Gets a 16-bit short integer at the current readerIndex in the Little Endian Byte Order and increases the readerIndex by 2 in this buffer.
    
    Specified by:
    
    readShortLE in class ByteBuf
  - readUnsignedShort
```
public int readUnsignedShort()
```
    Description copied from class: ByteBuf
    
    Gets an unsigned 16-bit short integer at the current readerIndex and increases the readerIndex by 2 in this buffer.
    
    Specified by:
    
    readUnsignedShort in class ByteBuf
  - readUnsignedShortLE
```
public int readUnsignedShortLE()
```
    Description copied from class: ByteBuf
    
    Gets an unsigned 16-bit short integer at the current readerIndex in the Little Endian Byte Order and increases the readerIndex by 2 in this buffer.
    
    Specified by:
    
    readUnsignedShortLE in class ByteBuf
  - readMedium
```
public int readMedium()
```
    Description copied from class: ByteBuf
    
    Gets a 24-bit medium integer at the current readerIndex and increases the readerIndex by 3 in this buffer.
    
    Specified by:
    
    readMedium in class ByteBuf
  - readMediumLE
```
public int readMediumLE()
```
    Description copied from class: ByteBuf
    
    Gets a 24-bit medium integer at the current readerIndex in the Little Endian Byte Order and increases the readerIndex by 3 in this buffer.
    
    Specified by:
    
    readMediumLE in class ByteBuf
  - readUnsignedMedium
```
public int readUnsignedMedium()
```
    Description copied from class: ByteBuf
    
    Gets an unsigned 24-bit medium integer at the current readerIndex and increases the readerIndex by 3 in this buffer.
    
    Specified by:
    
    readUnsignedMedium in class ByteBuf
  - readUnsignedMediumLE
```
public int readUnsignedMediumLE()
```
    Description copied from class: ByteBuf
    
    Gets an unsigned 24-bit medium integer at the current readerIndex in the Little Endian Byte Order and increases the readerIndex by 3 in this buffer.
    
    Specified by:
    
    readUnsignedMediumLE in class ByteBuf
  - readInt
```
public int readInt()
```
    Description copied from class: ByteBuf
    
    Gets a 32-bit integer at the current readerIndex and increases the readerIndex by 4 in this buffer.
    
    Specified by:
    
    readInt in class ByteBuf
  - readIntLE
```
public int readIntLE()
```
    Description copied from class: ByteBuf
    
    Gets a 32-bit integer at the current readerIndex in the Little Endian Byte Order and increases the readerIndex by 4 in this buffer.
    
    Specified by:
    
    readIntLE in class ByteBuf
  - readUnsignedInt
```
public long readUnsignedInt()
```
    Description copied from class: ByteBuf
    
    Gets an unsigned 32-bit integer at the current readerIndex and increases the readerIndex by 4 in this buffer.
    
    Specified by:
    
    readUnsignedInt in class ByteBuf
  - readUnsignedIntLE
```
public long readUnsignedIntLE()
```
    Description copied from class: ByteBuf
    
    Gets an unsigned 32-bit integer at the current readerIndex in the Little Endian Byte Order and increases the readerIndex by 4 in this buffer.
    
    Specified by:
    
    readUnsignedIntLE in class ByteBuf
  - readLong
```
public long readLong()
```
    Description copied from class: ByteBuf
    
    Gets a 64-bit integer at the current readerIndex and increases the readerIndex by 8 in this buffer.
    
    Specified by:
    
    readLong in class ByteBuf
  - readLongLE
```
public long readLongLE()
```
    Description copied from class: ByteBuf
    
    Gets a 64-bit integer at the current readerIndex in the Little Endian Byte Order and increases the readerIndex by 8 in this buffer.
    
    Specified by:
    
    readLongLE in class ByteBuf
  - readChar
```
public char readChar()
```
    Description copied from class: ByteBuf
    
    Gets a 2-byte UTF-16 character at the current readerIndex and increases the readerIndex by 2 in this buffer.
    
    Specified by:
    
    readChar in class ByteBuf
  - readFloat
```
public float readFloat()
```
    Description copied from class: ByteBuf
    
    Gets a 32-bit floating point number at the current readerIndex and increases the readerIndex by 4 in this buffer.
    
    Specified by:
    
    readFloat in class ByteBuf
  - readDouble
```
public double readDouble()
```
    Description copied from class: ByteBuf
    
    Gets a 64-bit floating point number at the current readerIndex and increases the readerIndex by 8 in this buffer.
    
    Specified by:
    
    readDouble in class ByteBuf
  - readBytes
```
public ByteBuf readBytes(int length)
```
    Description copied from class: ByteBuf
    
    Transfers this buffer's data to a newly created buffer starting at the current readerIndex and increases the readerIndex by the number of the transferred bytes (= length). The returned buffer's readerIndex and writerIndex are 0 and length respectively.
    
    Specified by:
    
    readBytes in class ByteBuf
    
    Parameters:
    
    length - the number of bytes to transfer
    
    Returns:
    
    the newly created buffer which contains the transferred bytes
  - readSlice
```
public ByteBuf readSlice(int length)
```
    Description copied from class: ByteBuf
    
    Returns a new slice of this buffer's sub-region starting at the current readerIndex and increases the readerIndex by the size of the new slice (= length).
    Also be aware that this method will NOT call ByteBuf.retain() and so the reference count will NOT be increased.
    
    Specified by:
    
    readSlice in class ByteBuf
    
    Parameters:
    
    length - the size of the new slice
    
    Returns:
    
    the newly created slice
  - readRetainedSlice
```
public ByteBuf readRetainedSlice(int length)
```
    Description copied from class: ByteBuf
    
    Returns a new retained slice of this buffer's sub-region starting at the current readerIndex and increases the readerIndex by the size of the new slice (= length).
    Note that this method returns a retained buffer unlike ByteBuf.readSlice(int). This method behaves similarly to readSlice(...).retain() except that this method may return a buffer implementation that produces less garbage.
    
    Specified by:
    
    readRetainedSlice in class ByteBuf
    
    Parameters:
    
    length - the size of the new slice
    
    Returns:
    
    the newly created slice
  - readBytes
```
public ByteBuf readBytes(ByteBuf dst)
```
    Description copied from class: ByteBuf
    
    Transfers this buffer's data to the specified destination starting at the current readerIndex until the destination becomes non-writable, and increases the readerIndex by the number of the transferred bytes. This method is basically same with ByteBuf.readBytes(ByteBuf, int, int), except that this method increases the writerIndex of the destination by the number of the transferred bytes while ByteBuf.readBytes(ByteBuf, int, int) does not.
    
    Specified by:
    
    readBytes in class ByteBuf
  - readBytes
```
public ByteBuf readBytes(ByteBuf dst,
                         int length)
```
    Description copied from class: ByteBuf
    
    Transfers this buffer's data to the specified destination starting at the current readerIndex and increases the readerIndex by the number of the transferred bytes (= length). This method is basically same with ByteBuf.readBytes(ByteBuf, int, int), except that this method increases the writerIndex of the destination by the number of the transferred bytes (= length) while ByteBuf.readBytes(ByteBuf, int, int) does not.
    
    Specified by:
    
    readBytes in class ByteBuf
  - readBytes
```
public ByteBuf readBytes(ByteBuf dst,
                         int dstIndex,
                         int length)
```
    Description copied from class: ByteBuf
    
    Transfers this buffer's data to the specified destination starting at the current readerIndex and increases the readerIndex by the number of the transferred bytes (= length).
    
    Specified by:
    
    readBytes in class ByteBuf
    
    dstIndex - the first index of the destination
    
    length - the number of bytes to transfer
  - readBytes
```
public ByteBuf readBytes(byte[] dst)
```
    Description copied from class: ByteBuf
    
    Transfers this buffer's data to the specified destination starting at the current readerIndex and increases the readerIndex by the number of the transferred bytes (= dst.length).
    
    Specified by:
    
    readBytes in class ByteBuf
  - readBytes
```
public ByteBuf readBytes(byte[] dst,
                         int dstIndex,
                         int length)
```
    Description copied from class: ByteBuf
    
    Transfers this buffer's data to the specified destination starting at the current readerIndex and increases the readerIndex by the number of the transferred bytes (= length).
    
    Specified by:
    
    readBytes in class ByteBuf
    
    dstIndex - the first index of the destination
    
    length - the number of bytes to transfer
  - readBytes
```
public ByteBuf readBytes(ByteBuffer dst)
```
    Description copied from class: ByteBuf
    
    Transfers this buffer's data to the specified destination starting at the current readerIndex until the destination's position reaches its limit, and increases the readerIndex by the number of the transferred bytes.
    
    Specified by:
    
    readBytes in class ByteBuf
  - readBytes
```
public ByteBuf readBytes(OutputStream out,
                         int length)
```
    Description copied from class: ByteBuf
    
    Transfers this buffer's data to the specified stream starting at the current readerIndex.
    
    Specified by:
    
    readBytes in class ByteBuf
    
    length - the number of bytes to transfer
  - readBytes
```
public int readBytes(GatheringByteChannel out,
                     int length)
```
    Description copied from class: ByteBuf
    
    Transfers this buffer's data to the specified stream starting at the current readerIndex.
    
    Specified by:
    
    readBytes in class ByteBuf
    
    length - the maximum number of bytes to transfer
    
    Returns:
    
    the actual number of bytes written out to the specified channel
  - readBytes
```
public int readBytes(FileChannel out,
                     long position,
                     int length)
```
    Description copied from class: ByteBuf
    
    Transfers this buffer's data starting at the current readerIndex to the specified channel starting at the given file position. This method does not modify the channel's position.
    
    Specified by:
    
    readBytes in class ByteBuf
    
    position - the file position at which the transfer is to begin
    
    length - the maximum number of bytes to transfer
    
    Returns:
    
    the actual number of bytes written out to the specified channel
  - readCharSequence
```
public CharSequence readCharSequence(int length,
                                     Charset charset)
```
    Description copied from class: ByteBuf
    
    Gets a CharSequence with the given length at the current readerIndex and increases the readerIndex by the given length.
    
    Specified by:
    
    readCharSequence in class ByteBuf
    
    Parameters:
    
    length - the length to read
    
    charset - that should be used
    
    Returns:
    
    the sequence
  - skipBytes
```
public ByteBuf skipBytes(int length)
```
    Description copied from class: ByteBuf
    
    Increases the current readerIndex by the specified length in this buffer.
    
    Specified by:
    
    skipBytes in class ByteBuf
  - writeBoolean
```
public ByteBuf writeBoolean(boolean value)
```
    Description copied from class: ByteBuf
    
    Sets the specified boolean at the current writerIndex and increases the writerIndex by 1 in this buffer. If this.writableBytes is less than 1, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeBoolean in class ByteBuf
  - writeByte
```
public ByteBuf writeByte(int value)
```
    Description copied from class: ByteBuf
    
    Sets the specified byte at the current writerIndex and increases the writerIndex by 1 in this buffer. The 24 high-order bits of the specified value are ignored. If this.writableBytes is less than 1, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeByte in class ByteBuf
  - writeShort
```
public ByteBuf writeShort(int value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 16-bit short integer at the current writerIndex and increases the writerIndex by 2 in this buffer. The 16 high-order bits of the specified value are ignored. If this.writableBytes is less than 2, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeShort in class ByteBuf
  - writeShortLE
```
public ByteBuf writeShortLE(int value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 16-bit short integer in the Little Endian Byte Order at the current writerIndex and increases the writerIndex by 2 in this buffer. The 16 high-order bits of the specified value are ignored. If this.writableBytes is less than 2, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeShortLE in class ByteBuf
  - writeMedium
```
public ByteBuf writeMedium(int value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 24-bit medium integer at the current writerIndex and increases the writerIndex by 3 in this buffer. If this.writableBytes is less than 3, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeMedium in class ByteBuf
  - writeMediumLE
```
public ByteBuf writeMediumLE(int value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 24-bit medium integer at the current writerIndex in the Little Endian Byte Order and increases the writerIndex by 3 in this buffer. If this.writableBytes is less than 3, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeMediumLE in class ByteBuf
  - writeInt
```
public ByteBuf writeInt(int value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 32-bit integer at the current writerIndex and increases the writerIndex by 4 in this buffer. If this.writableBytes is less than 4, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeInt in class ByteBuf
  - writeIntLE
```
public ByteBuf writeIntLE(int value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 32-bit integer at the current writerIndex in the Little Endian Byte Order and increases the writerIndex by 4 in this buffer. If this.writableBytes is less than 4, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeIntLE in class ByteBuf
  - writeLong
```
public ByteBuf writeLong(long value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 64-bit long integer at the current writerIndex and increases the writerIndex by 8 in this buffer. If this.writableBytes is less than 8, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeLong in class ByteBuf
  - writeLongLE
```
public ByteBuf writeLongLE(long value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 64-bit long integer at the current writerIndex in the Little Endian Byte Order and increases the writerIndex by 8 in this buffer. If this.writableBytes is less than 8, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeLongLE in class ByteBuf
  - writeChar
```
public ByteBuf writeChar(int value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 2-byte UTF-16 character at the current writerIndex and increases the writerIndex by 2 in this buffer. The 16 high-order bits of the specified value are ignored. If this.writableBytes is less than 2, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeChar in class ByteBuf
  - writeFloat
```
public ByteBuf writeFloat(float value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 32-bit floating point number at the current writerIndex and increases the writerIndex by 4 in this buffer. If this.writableBytes is less than 4, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeFloat in class ByteBuf
  - writeDouble
```
public ByteBuf writeDouble(double value)
```
    Description copied from class: ByteBuf
    
    Sets the specified 64-bit floating point number at the current writerIndex and increases the writerIndex by 8 in this buffer. If this.writableBytes is less than 8, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeDouble in class ByteBuf
  - writeBytes
```
public ByteBuf writeBytes(ByteBuf src)
```
    Description copied from class: ByteBuf
    
    Transfers the specified source buffer's data to this buffer starting at the current writerIndex until the source buffer becomes unreadable, and increases the writerIndex by the number of the transferred bytes. This method is basically same with ByteBuf.writeBytes(ByteBuf, int, int), except that this method increases the readerIndex of the source buffer by the number of the transferred bytes while ByteBuf.writeBytes(ByteBuf, int, int) does not. If this.writableBytes is less than src.readableBytes, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeBytes in class ByteBuf
  - writeBytes
```
public ByteBuf writeBytes(ByteBuf src,
                          int length)
```
    Description copied from class: ByteBuf
    
    Transfers the specified source buffer's data to this buffer starting at the current writerIndex and increases the writerIndex by the number of the transferred bytes (= length). This method is basically same with ByteBuf.writeBytes(ByteBuf, int, int), except that this method increases the readerIndex of the source buffer by the number of the transferred bytes (= length) while ByteBuf.writeBytes(ByteBuf, int, int) does not. If this.writableBytes is less than length, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeBytes in class ByteBuf
    
    length - the number of bytes to transfer
  - writeBytes
```
public ByteBuf writeBytes(ByteBuf src,
                          int srcIndex,
                          int length)
```
    Description copied from class: ByteBuf
    
    Transfers the specified source buffer's data to this buffer starting at the current writerIndex and increases the writerIndex by the number of the transferred bytes (= length). If this.writableBytes is less than length, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeBytes in class ByteBuf
    
    srcIndex - the first index of the source
    
    length - the number of bytes to transfer
  - writeBytes
```
public ByteBuf writeBytes(byte[] src)
```
    Description copied from class: ByteBuf
    
    Transfers the specified source array's data to this buffer starting at the current writerIndex and increases the writerIndex by the number of the transferred bytes (= src.length). If this.writableBytes is less than src.length, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeBytes in class ByteBuf
  - writeBytes
```
public ByteBuf writeBytes(byte[] src,
                          int srcIndex,
                          int length)
```
    Description copied from class: ByteBuf
    
    Transfers the specified source array's data to this buffer starting at the current writerIndex and increases the writerIndex by the number of the transferred bytes (= length). If this.writableBytes is less than length, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeBytes in class ByteBuf
    
    srcIndex - the first index of the source
    
    length - the number of bytes to transfer
  - writeBytes
```
public ByteBuf writeBytes(ByteBuffer src)
```
    Description copied from class: ByteBuf
    
    Transfers the specified source buffer's data to this buffer starting at the current writerIndex until the source buffer's position reaches its limit, and increases the writerIndex by the number of the transferred bytes. If this.writableBytes is less than src.remaining(), ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeBytes in class ByteBuf
  - writeBytes
```
public int writeBytes(InputStream in,
                      int length)
```
    Description copied from class: ByteBuf
    
    Transfers the content of the specified stream to this buffer starting at the current writerIndex and increases the writerIndex by the number of the transferred bytes. If this.writableBytes is less than length, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeBytes in class ByteBuf
    
    length - the number of bytes to transfer
    
    Returns:
    
    the actual number of bytes read in from the specified stream
  - writeBytes
```
public int writeBytes(ScatteringByteChannel in,
                      int length)
```
    Description copied from class: ByteBuf
    
    Transfers the content of the specified channel to this buffer starting at the current writerIndex and increases the writerIndex by the number of the transferred bytes. If this.writableBytes is less than length, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeBytes in class ByteBuf
    
    length - the maximum number of bytes to transfer
    
    Returns:
    
    the actual number of bytes read in from the specified channel
  - writeBytes
```
public int writeBytes(FileChannel in,
                      long position,
                      int length)
```
    Description copied from class: ByteBuf
    
    Transfers the content of the specified channel starting at the given file position to this buffer starting at the current writerIndex and increases the writerIndex by the number of the transferred bytes. This method does not modify the channel's position. If this.writableBytes is less than length, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeBytes in class ByteBuf
    
    position - the file position at which the transfer is to begin
    
    length - the maximum number of bytes to transfer
    
    Returns:
    
    the actual number of bytes read in from the specified channel
  - writeZero
```
public ByteBuf writeZero(int length)
```
    Description copied from class: ByteBuf
    
    Fills this buffer with NUL (0x00) starting at the current writerIndex and increases the writerIndex by the specified length. If this.writableBytes is less than length, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeZero in class ByteBuf
    
    Parameters:
    
    length - the number of NULs to write to the buffer
  - writeCharSequence
```
public int writeCharSequence(CharSequence sequence,
                             Charset charset)
```
    Description copied from class: ByteBuf
    
    Writes the specified CharSequence at the current writerIndex and increases the writerIndex by the written bytes. in this buffer. If this.writableBytes is not large enough to write the whole sequence, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    Specified by:
    
    writeCharSequence in class ByteBuf
    
    Parameters:
    
    sequence - to write
    
    charset - that should be used
    
    Returns:
    
    the written number of bytes
  - indexOf
```
public int indexOf(int fromIndex,
                   int toIndex,
                   byte value)
```
    Description copied from class: ByteBuf
    
    Locates the first occurrence of the specified value in this buffer. The search takes place from the specified fromIndex (inclusive) to the specified toIndex (exclusive).
    If fromIndex is greater than toIndex, the search is performed in a reversed order.
    This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    indexOf in class ByteBuf
    
    Returns:
    
    the absolute index of the first occurrence if found. -1 otherwise.
  - bytesBefore
```
public int bytesBefore(byte value)
```
    Description copied from class: ByteBuf
    
    Locates the first occurrence of the specified value in this buffer. The search takes place from the current readerIndex (inclusive) to the current writerIndex (exclusive).
    This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    bytesBefore in class ByteBuf
    
    Returns:
    
    the number of bytes between the current readerIndex and the first occurrence if found. -1 otherwise.
  - bytesBefore
```
public int bytesBefore(int length,
                       byte value)
```
    Description copied from class: ByteBuf
    
    Locates the first occurrence of the specified value in this buffer. The search starts from the current readerIndex (inclusive) and lasts for the specified length.
    This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    bytesBefore in class ByteBuf
    
    Returns:
    
    the number of bytes between the current readerIndex and the first occurrence if found. -1 otherwise.
  - bytesBefore
```
public int bytesBefore(int index,
                       int length,
                       byte value)
```
    Description copied from class: ByteBuf
    
    Locates the first occurrence of the specified value in this buffer. The search starts from the specified index (inclusive) and lasts for the specified length.
    This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    bytesBefore in class ByteBuf
    
    Returns:
    
    the number of bytes between the specified index and the first occurrence if found. -1 otherwise.
  - forEachByte
```
public int forEachByte(io.netty.util.ByteProcessor processor)
```
    Description copied from class: ByteBuf
    
    Iterates over the readable bytes of this buffer with the specified processor in ascending order.
    
    Specified by:
    
    forEachByte in class ByteBuf
    
    Returns:
    
    -1 if the processor iterated to or beyond the end of the readable bytes. The last-visited index If the ByteProcessor.process(byte) returned false.
  - forEachByte
```
public int forEachByte(int index,
                       int length,
                       io.netty.util.ByteProcessor processor)
```
    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))
    
    Specified by:
    
    forEachByte in class ByteBuf
    
    Returns:
    
    -1 if the processor iterated to or beyond the end of the specified area. The last-visited index If the ByteProcessor.process(byte) returned false.
  - forEachByteDesc
```
public int forEachByteDesc(io.netty.util.ByteProcessor processor)
```
    Description copied from class: ByteBuf
    
    Iterates over the readable bytes of this buffer with the specified processor in descending order.
    
    Specified by:
    
    forEachByteDesc in class ByteBuf
    
    Returns:
    
    -1 if the processor iterated to or beyond the beginning of the readable bytes. The last-visited index If the ByteProcessor.process(byte) returned false.
  - forEachByteDesc
```
public int forEachByteDesc(int index,
                           int length,
                           io.netty.util.ByteProcessor processor)
```
    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)
    
    Specified by:
    
    forEachByteDesc in class ByteBuf
    
    Returns:
    
    -1 if the processor iterated to or beyond the beginning of the specified area. The last-visited index If the ByteProcessor.process(byte) returned false.
  - copy
```
public ByteBuf copy()
```
    Description copied from class: ByteBuf
    
    Returns a copy of this buffer's readable bytes. Modifying the content of the returned buffer or this buffer does not affect each other at all. This method is identical to buf.copy(buf.readerIndex(), buf.readableBytes()). This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    copy in class ByteBuf
  - copy
```
public ByteBuf copy(int index,
                    int length)
```
    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()
```
    Description copied from class: ByteBuf
    
    Returns a slice of this buffer's readable bytes. Modifying the content of the returned buffer or this buffer affects each other's content while they maintain separate indexes and marks. This method is identical to buf.slice(buf.readerIndex(), buf.readableBytes()). 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.
    
    Specified by:
    
    slice in class ByteBuf
  - retainedSlice
```
public ByteBuf retainedSlice()
```
    Description copied from class: ByteBuf
    
    Returns a retained slice of this buffer's readable bytes. Modifying the content of the returned buffer or this buffer affects each other's content while they maintain separate indexes and marks. This method is identical to buf.slice(buf.readerIndex(), buf.readableBytes()). This method does not modify readerIndex or writerIndex of this buffer.
    Note that this method returns a retained buffer unlike ByteBuf.slice(). This method behaves similarly to slice().retain() except that this method may return a buffer implementation that produces less garbage.
    
    Specified by:
    
    retainedSlice in class ByteBuf
  - slice
```
public ByteBuf slice(int index,
                     int length)
```
    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.
    
    Specified by:
    
    slice in class ByteBuf
  - retainedSlice
```
public ByteBuf retainedSlice(int index,
                             int length)
```
    Description copied from class: ByteBuf
    
    Returns a retained 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.
    Note that this method returns a retained buffer unlike ByteBuf.slice(int, int). This method behaves similarly to slice(...).retain() except that this method may return a buffer implementation that produces less garbage.
    
    Specified by:
    
    retainedSlice in class ByteBuf
  - duplicate
```
public ByteBuf duplicate()
```
    Description copied from class: ByteBuf
    
    Returns a buffer which shares the whole region of this buffer. 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.
    The reader and writer marks will not be duplicated. Also be aware that this method will NOT call ByteBuf.retain() and so the reference count will NOT be increased.
    
    Specified by:
    
    duplicate in class ByteBuf
    
    Returns:
    
    A buffer whose readable content is equivalent to the buffer returned by ByteBuf.slice(). However this buffer will share the capacity of the underlying buffer, and therefore allows access to all of the underlying content if necessary.
  - retainedDuplicate
```
public ByteBuf retainedDuplicate()
```
    Description copied from class: ByteBuf
    
    Returns a retained buffer which shares the whole region of this buffer. Modifying the content of the returned buffer or this buffer affects each other's content while they maintain separate indexes and marks. This method is identical to buf.slice(0, buf.capacity()). This method does not modify readerIndex or writerIndex of this buffer.
    Note that this method returns a retained buffer unlike ByteBuf.slice(int, int). This method behaves similarly to duplicate().retain() except that this method may return a buffer implementation that produces less garbage.
    
    Specified by:
    
    retainedDuplicate in class ByteBuf
  - nioBufferCount
```
public int nioBufferCount()
```
    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)
  - nioBuffer
```
public ByteBuffer nioBuffer()
```
    Description copied from class: ByteBuf
    
    Exposes this buffer's readable bytes as an NIO ByteBuffer. 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 is identical to buf.nioBuffer(buf.readerIndex(), buf.readableBytes()). 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:
    
    nioBuffer in class ByteBuf
    
    See Also:
    
    ByteBuf.nioBufferCount(), ByteBuf.nioBuffers(), ByteBuf.nioBuffers(int, int)
  - nioBuffer
```
public ByteBuffer nioBuffer(int index,
                            int length)
```
    Description copied from class: ByteBuf
    
    Exposes this buffer's sub-region as an NIO ByteBuffer. 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:
    
    nioBuffer in class ByteBuf
    
    See Also:
    
    ByteBuf.nioBufferCount(), ByteBuf.nioBuffers(), ByteBuf.nioBuffers(int, int)
  - nioBuffers
```
public ByteBuffer[] nioBuffers()
```
    Description copied from class: ByteBuf
    
    Exposes this buffer's readable bytes as an NIO ByteBuffer's. 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)
  - nioBuffers
```
public ByteBuffer[] nioBuffers(int index,
                               int length)
```
    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)
  - internalNioBuffer
```
public ByteBuffer internalNioBuffer(int index,
                                    int length)
```
    Description copied from class: ByteBuf
    
    Internal use only: Exposes the internal NIO buffer.
    
    Specified by:
    
    internalNioBuffer in class ByteBuf
  - hasArray
```
public boolean hasArray()
```
    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()
```
    Description copied from class: ByteBuf
    
    Returns the backing byte array of this buffer.
    
    Specified by:
    
    array in class ByteBuf
  - arrayOffset
```
public int arrayOffset()
```
    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()
```
    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()
```
    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
  - toString
```
public String toString(Charset charset)
```
    Description copied from class: ByteBuf
    
    Decodes this buffer's readable bytes into a string with the specified character set name. This method is identical to buf.toString(buf.readerIndex(), buf.readableBytes(), charsetName). This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    toString in class ByteBuf
  - toString
```
public String toString(int index,
                       int length,
                       Charset charset)
```
    Description copied from class: ByteBuf
    
    Decodes this buffer's sub-region into a string with the specified character set. This method does not modify readerIndex or writerIndex of this buffer.
    
    Specified by:
    
    toString in class ByteBuf
  - hashCode
```
public int hashCode()
```
    Description copied from class: ByteBuf
    
    Returns a hash code which was calculated from the content of this buffer. If there's a byte array which is equal to this array, both arrays should return the same value.
    
    Specified by:
    
    hashCode in class ByteBuf
  - equals
```
public boolean equals(Object obj)
```
    Description copied from class: ByteBuf
    Determines if the content of the specified buffer is identical to the content of this array. 'Identical' here means:
    - the size of the contents of the two buffers are same and
    - every single byte of the content of the two buffers are same.
    Please note that it does not compare ByteBuf.readerIndex() nor ByteBuf.writerIndex(). This method also returns false for null and an object which is not an instance of ByteBuf type.
    Specified by:
    
    equals in class ByteBuf
  - compareTo
```
public int compareTo(ByteBuf buffer)
```
    Description copied from class: ByteBuf
    
    Compares the content of the specified buffer to the content of this buffer. Comparison is performed in the same manner with the string comparison functions of various languages such as strcmp, memcmp and String.compareTo(String).
    
    Specified by:
    
    compareTo in interface Comparable<ByteBuf>
    
    Specified by:
    
    compareTo in class ByteBuf
  - toString
```
public String toString()
```
    Description copied from class: ByteBuf
    
    Returns the string representation of this buffer. This method does not necessarily return the whole content of the buffer but returns the values of the key properties such as ByteBuf.readerIndex(), ByteBuf.writerIndex() and ByteBuf.capacity().
    
    Specified by:
    
    toString in class ByteBuf
  - isReadable
```
public boolean isReadable(int size)
```
    Description copied from class: ByteBuf
    
    Returns true if and only if this buffer contains equal to or more than the specified number of elements.
    
    Specified by:
    
    isReadable in class ByteBuf
  - isWritable
```
public boolean isWritable(int size)
```
    Description copied from class: ByteBuf
    
    Returns true if and only if this buffer has enough room to allow writing the specified number of elements.
    
    Specified by:
    
    isWritable in class ByteBuf
  - refCnt
```
public int refCnt()
```
  - retain
```
public ByteBuf retain()
```
    Specified by:
    
    retain in interface io.netty.util.ReferenceCounted
    
    Specified by:
    
    retain in class ByteBuf
  - retain
```
public ByteBuf retain(int increment)
```
    Specified by:
    
    retain in interface io.netty.util.ReferenceCounted
    
    Specified by:
    
    retain in class ByteBuf
  - touch
```
public ByteBuf touch()
```
    Specified by:
    
    touch in interface io.netty.util.ReferenceCounted
    
    Specified by:
    
    touch in class ByteBuf
  - touch
```
public ByteBuf touch(Object hint)
```
    Specified by:
    
    touch in interface io.netty.util.ReferenceCounted
    
    Specified by:
    
    touch in class ByteBuf
  - release
```
public boolean release()
```
  - release
```
public boolean release(int decrement)
```

Class EmptyByteBuf

Constructor Summary

Method Summary

Methods inherited from class io.netty.buffer.ByteBuf

Methods inherited from class java.lang.Object

Constructor Detail

EmptyByteBuf

Method Detail

capacity

capacity

alloc

order

unwrap

asReadOnly

isReadOnly

isDirect

maxCapacity

order

readerIndex

readerIndex

writerIndex

writerIndex

setIndex

readableBytes

writableBytes

maxWritableBytes

isReadable

isWritable

clear

markReaderIndex

resetReaderIndex

markWriterIndex

resetWriterIndex

discardReadBytes

discardSomeReadBytes

ensureWritable

ensureWritable

getBoolean

getByte

getUnsignedByte

getShort

getShortLE

getUnsignedShort

getUnsignedShortLE

getMedium

getMediumLE

getUnsignedMedium

getUnsignedMediumLE

getInt

getIntLE

getUnsignedInt

getUnsignedIntLE

getLong

getLongLE

getChar

getFloat

getDouble

getBytes

getBytes

getBytes

getBytes

getBytes

getBytes

getBytes

getBytes

getBytes

getCharSequence

setBoolean

setByte

setShort

setShortLE

setMedium

setMediumLE

setInt

setIntLE

setLong

setLongLE

setChar

setFloat

setDouble