org.eclipse.jetty.io.nio
Class DirectNIOBuffer

java.lang.Object
  org.eclipse.jetty.io.AbstractBuffer
      org.eclipse.jetty.io.nio.DirectNIOBuffer

All Implemented Interfaces:

Cloneable, Buffer, NIOBuffer

public class DirectNIOBuffer
extends AbstractBuffer
implements NIOBuffer

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.jetty.io.Buffer

Buffer.CaseInsensitve

Field Summary

protected ByteBuffer

_buf

Fields inherited from class org.eclipse.jetty.io.AbstractBuffer

__IMMUTABLE, __READONLY, __READWRITE, __VOLATILE, _access, _get, _hash, _hashGet, _hashPut, _mark, _put, _string, _view, _volatile

Fields inherited from interface org.eclipse.jetty.io.Buffer

IMMUTABLE, NON_VOLATILE, READONLY, READWRITE, VOLATILE

Constructor Summary

DirectNIOBuffer(ByteBuffer buffer, boolean immutable)

DirectNIOBuffer(File file)

DirectNIOBuffer(int size)

Method Summary

byte[]	array() Get the underlying array, if one exists.
int	capacity() The capacity of the buffer.
ByteBuffer	getByteBuffer()
boolean	isDirect()
byte	peek(int position) Get the byte at a specific index in the buffer.
int	peek(int index, byte[] b, int offset, int length)
int	poke(int index, Buffer src) Put the contents of the buffer at the specific index.
void	poke(int index, byte b) Put a specific byte to a specific getIndex.
int	poke(int index, byte[] b, int offset, int length) Put a specific byte to a specific getIndex.
int	readFrom(InputStream in, int max) Read the buffer's contents from the input stream
void	writeTo(OutputStream out) Write the buffer's contents to the output stream

Methods inherited from class org.eclipse.jetty.io.AbstractBuffer

asArray, asImmutableBuffer, asMutableBuffer, asNonVolatileBuffer, asReadOnlyBuffer, buffer, clear, compact, duplicate, equals, equalsIgnoreCase, get, get, get, getIndex, hasContent, hashCode, isImmutable, isReadOnly, isVolatile, length, mark, mark, markIndex, peek, peek, put, put, put, put, putIndex, reset, rewind, setGetIndex, setMarkIndex, setPutIndex, skip, slice, sliceFromMark, sliceFromMark, space, toDebugString, toDetailString, toString, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.jetty.io.Buffer

asArray, asImmutableBuffer, asMutableBuffer, asNonVolatileBuffer, asReadOnlyBuffer, buffer, clear, compact, equalsIgnoreCase, get, get, get, getIndex, hasContent, isImmutable, isReadOnly, isVolatile, length, mark, mark, markIndex, peek, peek, put, put, put, put, putIndex, reset, setGetIndex, setMarkIndex, setPutIndex, skip, slice, sliceFromMark, sliceFromMark, space, toDetailString, toString

Field Detail

_buf

protected final ByteBuffer _buf

Constructor Detail

DirectNIOBuffer

public DirectNIOBuffer(int size)

DirectNIOBuffer

public DirectNIOBuffer(ByteBuffer buffer,
                       boolean immutable)

DirectNIOBuffer

public DirectNIOBuffer(File file)
                throws IOException

Parameters:

file -

Throws:

IOException

Method Detail

isDirect

public boolean isDirect()

Specified by:

isDirect in interface NIOBuffer

array

public byte[] array()

Description copied from interface: Buffer

Get the underlying array, if one exists.

Specified by:

array in interface Buffer

Returns:

a byte[] backing this buffer or null if none exists.

capacity

public int capacity()

Description copied from interface: Buffer

The capacity of the buffer. This is the maximum putIndex that may be set.

Specified by:

capacity in interface Buffer

Returns:

an int value

peek

public byte peek(int position)

Description copied from interface: Buffer

Get the byte at a specific index in the buffer.

Specified by:

peek in interface Buffer

Parameters:

position - an int value

Returns:

a byte value

peek

public int peek(int index,
                byte[] b,
                int offset,
                int length)

Specified by:

peek in interface Buffer

Parameters:

index - an int value

b - The byte array to peek into

offset - The offset into the array to start peeking

length - an int value

Returns:

The number of bytes actually peeked

poke

public void poke(int index,
                 byte b)

Description copied from interface: Buffer

Put a specific byte to a specific getIndex.

Specified by:

poke in interface Buffer

Parameters:

index - an int value

b - a byte value

poke

public int poke(int index,
                Buffer src)

Description copied from interface: Buffer

Put the contents of the buffer at the specific index.

Specified by:

poke in interface Buffer

Overrides:

poke in class AbstractBuffer

Parameters:

index - an int value

src - a Buffer. If the source buffer is not modified

Returns:

The number of bytes actually poked

poke

public int poke(int index,
                byte[] b,
                int offset,
                int length)

Description copied from interface: Buffer

Put a specific byte to a specific getIndex.

Specified by:

poke in interface Buffer

Overrides:

poke in class AbstractBuffer

Parameters:

index - an int value

b - a byte array value

Returns:

The number of bytes actually poked

getByteBuffer

public ByteBuffer getByteBuffer()

Specified by:

getByteBuffer in interface NIOBuffer

readFrom

public int readFrom(InputStream in,
                    int max)
             throws IOException

Description copied from interface: Buffer

Read the buffer's contents from the input stream

Specified by:

readFrom in interface Buffer

Overrides:

readFrom in class AbstractBuffer

Parameters:

in - input stream

max - maximum number of bytes that may be read

Returns:

actual number of bytes read or -1 for EOF

Throws:

IOException

writeTo

public void writeTo(OutputStream out)
             throws IOException

Description copied from interface: Buffer

Write the buffer's contents to the output stream

Specified by:

writeTo in interface Buffer

Overrides:

writeTo in class AbstractBuffer

Throws:

IOException