org.glassfish.grizzly.http.util
Class BufferChunk

java.lang.Object
  org.glassfish.grizzly.http.util.BufferChunk

All Implemented Interfaces:

Chunk

public class BufferChunk
extends java.lang.Object
implements Chunk

Buffer chunk representation. Helps HTTP module to avoid redundant String creation.

Author:

Alexey Stashok

Constructor Summary

BufferChunk()

Method Summary

void	allocate(int size)
void	append(BufferChunk bc)
int	compare(int start, int end, java.lang.String compareTo)
int	compareIgnoreCase(int start, int end, java.lang.String compareTo)
void	delete(int start, int end)
boolean	equals(java.lang.CharSequence s)
boolean	equalsIgnoreCase(byte[] b)
boolean	equalsIgnoreCase(java.lang.CharSequence s)
static boolean	equalsIgnoreCaseLowerCase(Buffer buffer, int start, int end, byte[] cmpTo) Compares the buffer chunk to the specified byte array representing lower-case ASCII characters.
boolean	equalsIgnoreCaseLowerCase(byte[] b) Compares the buffer chunk to the specified byte array representing lower-case ASCII characters.
int	findBytesAscii(byte[] b) Returns the starting index of the specified byte sequence within this Buffer.
Buffer	getBuffer()
int	getEnd()
int	getLength()
int	getStart()
int	hash()
static int	indexOf(Buffer buffer, int off, int end, char qq)
static int	indexOf(Buffer buffer, int off, int end, java.lang.CharSequence s)
int	indexOf(char c, int fromIndex)
int	indexOf(java.lang.String s, int fromIndex)
boolean	isNull()
void	notifyDirectUpdate() Notify the Chunk that its content is going to be changed directly
void	recycle()
protected void	reset()
protected void	resetStringCache()
void	setBuffer(Buffer buffer)
void	setBufferChunk(Buffer buffer, int start, int end)
void	setBufferChunk(Buffer buffer, int start, int end, boolean disposeOnRecycle)
void	setBufferChunk(Buffer buffer, int start, int end, int limit)
void	setBufferChunk(Buffer buffer, int start, int end, int limit, boolean disposeOnRecycle)
void	setEnd(int end)
void	setStart(int start)
static boolean	startsWith(Buffer buffer, int start, int end, byte[] cmpTo)
boolean	startsWithIgnoreCase(java.lang.String s, int pos)
CharChunk	toChars(CharChunk cc, java.nio.charset.Charset encoding) Convert a BufferChunk using the specified encoding.
java.lang.String	toString()
java.lang.String	toString(java.nio.charset.Charset charset)
java.lang.String	toString(int start, int end)

Methods inherited from class java.lang.Object

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

Constructor Detail

BufferChunk

public BufferChunk()

Method Detail

setBufferChunk

public void setBufferChunk(Buffer buffer,
                           int start,
                           int end,
                           boolean disposeOnRecycle)

setBufferChunk

public void setBufferChunk(Buffer buffer,
                           int start,
                           int end)

setBufferChunk

public void setBufferChunk(Buffer buffer,
                           int start,
                           int end,
                           int limit)

setBufferChunk

public void setBufferChunk(Buffer buffer,
                           int start,
                           int end,
                           int limit,
                           boolean disposeOnRecycle)

getBuffer

public Buffer getBuffer()

setBuffer

public void setBuffer(Buffer buffer)

getStart

public int getStart()

Specified by:

getStart in interface Chunk

setStart

public void setStart(int start)

Specified by:

setStart in interface Chunk

getEnd

public int getEnd()

Specified by:

getEnd in interface Chunk

setEnd

public void setEnd(int end)

Specified by:

setEnd in interface Chunk

getLength

public final int getLength()

Specified by:

getLength in interface Chunk

isNull

public final boolean isNull()

allocate

public void allocate(int size)

delete

public void delete(int start,
                   int end)

Specified by:

delete in interface Chunk

append

public void append(BufferChunk bc)

indexOf

public final int indexOf(char c,
                         int fromIndex)

Specified by:

indexOf in interface Chunk

indexOf

public final int indexOf(java.lang.String s,
                         int fromIndex)

Specified by:

indexOf in interface Chunk

startsWithIgnoreCase

public boolean startsWithIgnoreCase(java.lang.String s,
                                    int pos)

findBytesAscii

public int findBytesAscii(byte[] b)

Returns the starting index of the specified byte sequence within this Buffer.

Parameters:

b - byte sequence to search for.

Returns:

the starting index of the specified byte sequence within this Buffer

hash

public int hash()

equals

public boolean equals(java.lang.CharSequence s)

equalsIgnoreCase

public boolean equalsIgnoreCase(java.lang.CharSequence s)

equalsIgnoreCase

public boolean equalsIgnoreCase(byte[] b)

equalsIgnoreCaseLowerCase

public boolean equalsIgnoreCaseLowerCase(byte[] b)

Compares the buffer chunk to the specified byte array representing lower-case ASCII characters.

Parameters:

b - the byte[] to compare

Returns:

true if the comparison succeeded, false otherwise

Since:

2.1.2

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toString

public java.lang.String toString(java.nio.charset.Charset charset)

toString

public java.lang.String toString(int start,
                                 int end)

Specified by:

toString in interface Chunk

resetStringCache

protected final void resetStringCache()

reset

protected final void reset()

recycle

public final void recycle()

notifyDirectUpdate

public void notifyDirectUpdate()

Notify the Chunk that its content is going to be changed directly

Specified by:

notifyDirectUpdate in interface Chunk

indexOf

public static int indexOf(Buffer buffer,
                          int off,
                          int end,
                          char qq)

indexOf

public static int indexOf(Buffer buffer,
                          int off,
                          int end,
                          java.lang.CharSequence s)

compareIgnoreCase

public int compareIgnoreCase(int start,
                             int end,
                             java.lang.String compareTo)

Returns:

-1, 0 or +1 if inferior, equal, or superior to the String.

compare

public int compare(int start,
                   int end,
                   java.lang.String compareTo)

Returns:

-1, 0 or +1 if inferior, equal, or superior to the String.

toChars

public CharChunk toChars(CharChunk cc,
                         java.nio.charset.Charset encoding)
                  throws java.io.CharConversionException

Convert a BufferChunk using the specified encoding.

Parameters:

cc - char array to put result to.

encoding - the encoding value

Throws:

java.lang.Exception

java.io.CharConversionException

equalsIgnoreCaseLowerCase

public static boolean equalsIgnoreCaseLowerCase(Buffer buffer,
                                                int start,
                                                int end,
                                                byte[] cmpTo)

Compares the buffer chunk to the specified byte array representing lower-case ASCII characters.

Parameters:

buffer - the byte[] to compare

start - buffer start

end - buffer end

cmpTo - byte[] to compare against

Returns:

true if the comparison succeeded, false otherwise

Since:

2.1.2

startsWith

public static boolean startsWith(Buffer buffer,
                                 int start,
                                 int end,
                                 byte[] cmpTo)