org.eclipse.jetty.io.nio
Class RandomAccessFileBuffer

java.lang.Object
  extended by org.eclipse.jetty.io.AbstractBuffer
      extended by org.eclipse.jetty.io.nio.RandomAccessFileBuffer
All Implemented Interfaces:
Cloneable, Buffer

public class RandomAccessFileBuffer
extends AbstractBuffer
implements Buffer


Nested Class Summary
 
Nested classes/interfaces inherited from interface org.eclipse.jetty.io.Buffer
Buffer.CaseInsensitve
 
Field Summary
 
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
RandomAccessFileBuffer(File file)
           
RandomAccessFileBuffer(File file, int capacity)
           
RandomAccessFileBuffer(File file, int capacity, int access)
           
 
Method Summary
 byte[] array()
          Get the underlying array, if one exists.
 int capacity()
          The capacity of the buffer.
 void clear()
          Clear the buffer.
 byte peek()
          Get the byte at the current getIndex without incrementing the getIndex.
 byte peek(int index)
          Get the byte at a specific index in the buffer.
 int peek(int index, byte[] b, int offset, int length)
           
 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 writeTo(WritableByteChannel channel, int index, int length)
           
 
Methods inherited from class org.eclipse.jetty.io.AbstractBuffer
asArray, asImmutableBuffer, asMutableBuffer, asNonVolatileBuffer, asReadOnlyBuffer, buffer, compact, duplicate, equals, equalsIgnoreCase, get, get, get, getIndex, hasContent, hashCode, isImmutable, isReadOnly, isVolatile, length, mark, mark, markIndex, peek, poke, put, put, put, put, putIndex, readFrom, reset, rewind, setGetIndex, setMarkIndex, setPutIndex, skip, slice, sliceFromMark, sliceFromMark, space, toDebugString, toDetailString, toString, toString, writeTo
 
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, compact, equalsIgnoreCase, get, get, get, getIndex, hasContent, isImmutable, isReadOnly, isVolatile, length, mark, mark, markIndex, peek, poke, put, put, put, put, putIndex, readFrom, reset, setGetIndex, setMarkIndex, setPutIndex, skip, slice, sliceFromMark, sliceFromMark, space, toDetailString, toString, writeTo
 

Constructor Detail

RandomAccessFileBuffer

public RandomAccessFileBuffer(File file)
                       throws FileNotFoundException
Throws:
FileNotFoundException

RandomAccessFileBuffer

public RandomAccessFileBuffer(File file,
                              int capacity)
                       throws FileNotFoundException
Throws:
FileNotFoundException

RandomAccessFileBuffer

public RandomAccessFileBuffer(File file,
                              int capacity,
                              int access)
                       throws FileNotFoundException
Throws:
FileNotFoundException
Method Detail

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

clear

public void clear()
Description copied from interface: Buffer
Clear the buffer. getIndex=0, putIndex=0.

Specified by:
clear in interface Buffer
Overrides:
clear in class AbstractBuffer

peek

public byte peek()
Description copied from interface: Buffer
Get the byte at the current getIndex without incrementing the getIndex.

Specified by:
peek in interface Buffer
Overrides:
peek in class AbstractBuffer
Returns:
The byte value from the current getIndex.

peek

public byte peek(int index)
Description copied from interface: Buffer
Get the byte at a specific index in the buffer.

Specified by:
peek in interface Buffer
Parameters:
index - 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,
                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

writeTo

public int writeTo(WritableByteChannel channel,
                   int index,
                   int length)
            throws IOException
Throws:
IOException


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