| 程序包 | 说明 | 
|---|---|
| io.netty.handler.codec.http.websocketx.extensions | 
 Encoder, decoder, handshakers to handle
 WebSocket Extensions. 
 | 
| io.netty.handler.codec.http.websocketx.extensions.compression | 
 Encoder, decoder, handshakers to handle most common WebSocket Compression Extensions. 
 | 
| 类和说明 | 
|---|
| WebSocketClientExtension
 Created once the handshake phase is done. 
 | 
| WebSocketClientExtensionHandshaker
 Handshakes a client extension with the server. 
 | 
| WebSocketExtension
 Created once the handshake phase is done. 
 | 
| WebSocketExtensionData
 A WebSocket Extension data from the Sec-WebSocket-Extensions header. 
 | 
| WebSocketExtensionDecoder
 Convenient class for io.netty.handler.codec.http.websocketx.extensions.WebSocketExtension decoder. 
 | 
| WebSocketExtensionEncoder
 Convenient class for io.netty.handler.codec.http.websocketx.extensions.WebSocketExtension encoder. 
 | 
| WebSocketExtensionFilter
 Filter that is responsible to skip the evaluation of a certain extension
 according to standard. 
 | 
| WebSocketExtensionFilterProvider
 Extension filter provider that is responsible to provide filters for a certain  
WebSocketExtension extension. | 
| WebSocketServerExtension
 Created once the handshake phase is done. 
 | 
| WebSocketServerExtensionHandshaker
 Handshakes a client extension based on this server capabilities. 
 | 
| 类和说明 | 
|---|
| WebSocketClientExtension
 Created once the handshake phase is done. 
 | 
| WebSocketClientExtensionHandler
 This handler negotiates and initializes the WebSocket Extensions. 
 | 
| WebSocketClientExtensionHandshaker
 Handshakes a client extension with the server. 
 | 
| WebSocketExtensionData
 A WebSocket Extension data from the Sec-WebSocket-Extensions header. 
 | 
| WebSocketExtensionFilterProvider
 Extension filter provider that is responsible to provide filters for a certain  
WebSocketExtension extension. | 
| WebSocketServerExtension
 Created once the handshake phase is done. 
 | 
| WebSocketServerExtensionHandler
 This handler negotiates and initializes the WebSocket Extensions. 
 | 
| WebSocketServerExtensionHandshaker
 Handshakes a client extension based on this server capabilities. 
 |