public class Bzip2Decoder extends ByteToMessageDecoder
Modifier and Type | Class and Description |
---|---|
private static class |
Bzip2Decoder.State
Current state of stream.
|
ByteToMessageDecoder.Cumulator
ChannelHandler.Sharable
Modifier and Type | Field and Description |
---|---|
private int |
blockCRC
The CRC of the current block as read from the block header.
|
private Bzip2BlockDecompressor |
blockDecompressor
The decompressor for the current block.
|
private int |
blockSize
Always: in the range 0 ..
|
private Bzip2Decoder.State |
currentState |
private Bzip2HuffmanStageDecoder |
huffmanStageDecoder
Bzip2 Huffman coding stage.
|
private Bzip2BitReader |
reader
A reader that provides bit-level reads.
|
private int |
streamCRC
The merged CRC of all blocks decompressed so far.
|
COMPOSITE_CUMULATOR, MERGE_CUMULATOR
Constructor and Description |
---|
Bzip2Decoder() |
Modifier and Type | Method and Description |
---|---|
protected void |
decode(ChannelHandlerContext ctx,
ByteBuf in,
java.util.List<java.lang.Object> out)
Decode the from one
ByteBuf to an other. |
boolean |
isClosed()
Returns
true if and only if the end of the compressed stream
has been reached. |
actualReadableBytes, callDecode, channelInactive, channelRead, channelReadComplete, decodeLast, discardSomeReadBytes, handlerRemoved, handlerRemoved0, internalBuffer, isSingleDecode, setCumulator, setDiscardAfterReads, setSingleDecode, userEventTriggered
channelActive, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught
ensureNotSharable, handlerAdded, isSharable
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
handlerAdded
private Bzip2Decoder.State currentState
private final Bzip2BitReader reader
private Bzip2BlockDecompressor blockDecompressor
private Bzip2HuffmanStageDecoder huffmanStageDecoder
private int blockSize
private int blockCRC
private int streamCRC
protected void decode(ChannelHandlerContext ctx, ByteBuf in, java.util.List<java.lang.Object> out) throws java.lang.Exception
ByteToMessageDecoder
ByteBuf
to an other. This method will be called till either the input
ByteBuf
has nothing to read when return from this method or till nothing was read from the input
ByteBuf
.decode
in class ByteToMessageDecoder
ctx
- the ChannelHandlerContext
which this ByteToMessageDecoder
belongs toin
- the ByteBuf
from which to read dataout
- the List
to which decoded messages should be addedjava.lang.Exception
- is thrown if an error occurspublic boolean isClosed()
true
if and only if the end of the compressed stream
has been reached.