Added documentation to websocket classes.

codec-http/src/main/java/io/netty/handler/codec/http/websocketx/WebSocketServerProtocolHandler.java

@@ -28,8 +28,16 @@
 import static io.netty.handler.codec.http.HttpVersion.*;
 
 /**
- * Handles WebSocket control frames (Close, Ping, Pong) and data frames (Text and Binary) are passed
- * to the next handler in the pipeline.
+ * This handler does all the heavy lifting for you to run a websocket server.
+ *
+ * It takes care of websocket handshaking as well as processing of control frames (Close, Ping, Pong). Text and Binary
+ * data frames are passed to the next handler in the pipeline (implemented by you) for processing.
+ *
+ * See <tt>io.netty.example.http.websocketx.html5.WebSocketServer</tt> for usage.
+ *
+ * The implementation of this handler assumes that you just want to run  a websocket server and not process other types
+ * HTTP requests (like GET and POST). If you wish to support both HTTP requests and websockets in the one server, refer
+ * to the <tt>io.netty.example.http.websocketx.server.WebSocketServer</tt> example.
  */
 public class WebSocketServerProtocolHandler extends ChannelInboundMessageHandlerAdapter<WebSocketFrame> {
 

codec-http/src/main/java/io/netty/handler/codec/http/websocketx/WebSocketServerProtocolHandshakeHandler.java

@@ -29,16 +29,12 @@
 import io.netty.handler.codec.http.HttpRequest;
 import io.netty.handler.codec.http.HttpResponse;
 import io.netty.handler.ssl.SslHandler;
-import io.netty.logging.InternalLogger;
-import io.netty.logging.InternalLoggerFactory;
 
 /**
- * Handles the HTTP handshake (the HTTP Upgrade request)
+ * Handles the HTTP handshake (the HTTP Upgrade request) for {@link WebSocketServerProtocolHandler}.
  */
 public class WebSocketServerProtocolHandshakeHandler extends ChannelInboundMessageHandlerAdapter<HttpRequest> {
 
-    private static final InternalLogger logger =
-            InternalLoggerFactory.getInstance(WebSocketServerProtocolHandshakeHandler.class);
     private final String websocketPath;
     private final String subprotocols;
     private final boolean allowExtensions;