public class ZlibDecoder extends OneToOneDecoder
ChannelBuffer using the deflate algorithm.ChannelHandler.Sharable| 构造器和说明 |
|---|
ZlibDecoder()
Creates a new instance with the default wrapper (
ZlibWrapper.ZLIB). |
ZlibDecoder(byte[] dictionary)
Creates a new instance with the specified preset dictionary.
|
ZlibDecoder(ZlibWrapper wrapper)
Creates a new instance with the specified wrapper.
|
| 限定符和类型 | 方法和说明 |
|---|---|
protected java.lang.Object |
decode(ChannelHandlerContext ctx,
Channel channel,
java.lang.Object msg)
Transforms the specified received message into another message and return
the transformed message.
|
boolean |
isClosed()
Returns
true if and only if the end of the compressed stream
has been reached. |
handleUpstreampublic ZlibDecoder()
ZlibWrapper.ZLIB).CompressionException - if failed to initialize zlibpublic ZlibDecoder(ZlibWrapper wrapper)
CompressionException - if failed to initialize zlibpublic ZlibDecoder(byte[] dictionary)
ZlibWrapper.ZLIB because it is the only format that
supports the preset dictionary.CompressionException - if failed to initialize zlibpublic boolean isClosed()
true if and only if the end of the compressed stream
has been reached.protected java.lang.Object decode(ChannelHandlerContext ctx, Channel channel, java.lang.Object msg) throws java.lang.Exception
OneToOneDecodernull if the received message
is supposed to be discarded.decode 在类中 OneToOneDecoderjava.lang.Exception