replaceDecoder( channel, new WebSocket07FrameDecoder(false, allowExtensions, getMaxFramePayloadLength()));
new WebSocket07FrameDecoder(true, allowExtensions, getMaxFramePayloadLength()));
replaceDecoder( channel, new WebSocket07FrameDecoder(false, allowExtensions, getMaxFramePayloadLength()));
new WebSocket07FrameDecoder(true, allowExtensions, getMaxFramePayloadLength()));