public class BufferRecycler extends Object
ThreadLocal
member of the owning class pointing to
instance of this class through a SoftReference
. The
end result is a low-overhead GC-cleanable recycling: hopefully
ideal for use by stream readers.Modifier and Type | Field and Description |
---|---|
protected byte[][] |
_byteBuffers |
protected char[][] |
_charBuffers |
static int |
BYTE_BASE64_CODEC_BUFFER
Buffer used for concatenating binary data that is either being
encoded as base64 output, or decoded from base64 input.
|
static int |
BYTE_READ_IO_BUFFER
Buffer used for reading byte-based input.
|
static int |
BYTE_WRITE_CONCAT_BUFFER
Buffer used for temporarily concatenating output; used for
example when requesting output as byte array.
|
static int |
BYTE_WRITE_ENCODING_BUFFER
Buffer used for temporarily storing encoded content; used
for example by UTF-8 encoding writer
|
static int |
CHAR_CONCAT_BUFFER |
static int |
CHAR_NAME_COPY_BUFFER |
static int |
CHAR_TEXT_BUFFER |
static int |
CHAR_TOKEN_BUFFER |
Modifier | Constructor and Description |
---|---|
|
BufferRecycler()
Default constructor used for creating instances of this default
implementation.
|
protected |
BufferRecycler(int bbCount,
int cbCount)
Alternate constructor to be used by sub-classes, to allow customization
of number of low-level buffers in use.
|
Modifier and Type | Method and Description |
---|---|
byte[] |
allocByteBuffer(int ix) |
byte[] |
allocByteBuffer(int ix,
int minSize) |
char[] |
allocCharBuffer(int ix) |
char[] |
allocCharBuffer(int ix,
int minSize) |
protected byte[] |
balloc(int size) |
protected int |
byteBufferLength(int ix) |
protected char[] |
calloc(int size) |
protected int |
charBufferLength(int ix) |
void |
releaseByteBuffer(int ix,
byte[] buffer) |
void |
releaseCharBuffer(int ix,
char[] buffer) |
public static final int BYTE_READ_IO_BUFFER
public static final int BYTE_WRITE_ENCODING_BUFFER
public static final int BYTE_WRITE_CONCAT_BUFFER
public static final int BYTE_BASE64_CODEC_BUFFER
public static final int CHAR_TOKEN_BUFFER
public static final int CHAR_CONCAT_BUFFER
public static final int CHAR_TEXT_BUFFER
public static final int CHAR_NAME_COPY_BUFFER
protected final byte[][] _byteBuffers
protected final char[][] _charBuffers
public BufferRecycler()
protected BufferRecycler(int bbCount, int cbCount)
public final byte[] allocByteBuffer(int ix)
ix
- One of READ_IO_BUFFER
constants.public byte[] allocByteBuffer(int ix, int minSize)
public final void releaseByteBuffer(int ix, byte[] buffer)
public final char[] allocCharBuffer(int ix)
public char[] allocCharBuffer(int ix, int minSize)
public void releaseCharBuffer(int ix, char[] buffer)
protected int byteBufferLength(int ix)
protected int charBufferLength(int ix)
protected byte[] balloc(int size)
protected char[] calloc(int size)
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