Class PerFrameDeflateEncoder
- java.lang.Object
-
- io.netty.channel.ChannelHandlerAdapter
-
- io.netty.channel.ChannelOutboundHandlerAdapter
-
- io.netty.handler.codec.MessageToMessageEncoder<WebSocketFrame>
-
- io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionEncoder
-
- io.netty.handler.codec.http.websocketx.extensions.compression.DeflateEncoder
-
- io.netty.handler.codec.http.websocketx.extensions.compression.PerFrameDeflateEncoder
-
- All Implemented Interfaces:
ChannelHandler
,ChannelOutboundHandler
class PerFrameDeflateEncoder extends DeflateEncoder
Per-frame implementation of deflate compressor.
-
-
Nested Class Summary
-
Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler
ChannelHandler.Sharable
-
-
Constructor Summary
Constructors Constructor Description PerFrameDeflateEncoder(int compressionLevel, int windowSize, boolean noContext)
ConstructorPerFrameDeflateEncoder(int compressionLevel, int windowSize, boolean noContext, WebSocketExtensionFilter extensionEncoderFilter)
Constructor
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
acceptOutboundMessage(java.lang.Object msg)
Returnstrue
if the given message should be handled.protected boolean
removeFrameTail(WebSocketFrame msg)
protected int
rsv(WebSocketFrame msg)
-
Methods inherited from class io.netty.handler.codec.http.websocketx.extensions.compression.DeflateEncoder
encode, extensionEncoderFilter, handlerRemoved
-
Methods inherited from class io.netty.handler.codec.MessageToMessageEncoder
write
-
Methods inherited from class io.netty.channel.ChannelOutboundHandlerAdapter
bind, close, connect, deregister, disconnect, flush, read
-
Methods inherited from class io.netty.channel.ChannelHandlerAdapter
ensureNotSharable, exceptionCaught, handlerAdded, isSharable
-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
-
Methods inherited from interface io.netty.channel.ChannelHandler
exceptionCaught, handlerAdded
-
-
-
-
Constructor Detail
-
PerFrameDeflateEncoder
PerFrameDeflateEncoder(int compressionLevel, int windowSize, boolean noContext)
Constructor- Parameters:
compressionLevel
- compression level of the compressor.windowSize
- maximum size of the window compressor buffer.noContext
- true to disable context takeover.
-
PerFrameDeflateEncoder
PerFrameDeflateEncoder(int compressionLevel, int windowSize, boolean noContext, WebSocketExtensionFilter extensionEncoderFilter)
Constructor- Parameters:
compressionLevel
- compression level of the compressor.windowSize
- maximum size of the window compressor buffer.noContext
- true to disable context takeover.extensionEncoderFilter
- extension encoder filter for per frame deflate encoder.
-
-
Method Detail
-
acceptOutboundMessage
public boolean acceptOutboundMessage(java.lang.Object msg) throws java.lang.Exception
Description copied from class:MessageToMessageEncoder
Returnstrue
if the given message should be handled. Iffalse
it will be passed to the nextChannelOutboundHandler
in theChannelPipeline
.- Overrides:
acceptOutboundMessage
in classMessageToMessageEncoder<WebSocketFrame>
- Throws:
java.lang.Exception
-
rsv
protected int rsv(WebSocketFrame msg)
- Specified by:
rsv
in classDeflateEncoder
- Parameters:
msg
- the current frame.- Returns:
- the rsv bits to set in the compressed frame.
-
removeFrameTail
protected boolean removeFrameTail(WebSocketFrame msg)
- Specified by:
removeFrameTail
in classDeflateEncoder
- Parameters:
msg
- the current frame.- Returns:
- true if compressed payload tail needs to be removed.
-
-