Protected method to decorate WebSocketHandler

See gh-24075

spring-websocket/src/main/java/org/springframework/web/socket/server/support/WebSocketHttpRequestHandler.java

@@ -77,10 +77,20 @@ public class WebSocketHttpRequestHandler implements HttpRequestHandler, Lifecycl
 	public WebSocketHttpRequestHandler(WebSocketHandler wsHandler, HandshakeHandler handshakeHandler) {
 		Assert.notNull(wsHandler, "wsHandler must not be null");
 		Assert.notNull(handshakeHandler, "handshakeHandler must not be null");
-		this.wsHandler = new ExceptionWebSocketHandlerDecorator(new LoggingWebSocketHandlerDecorator(wsHandler));
+		this.wsHandler = decorate(wsHandler);
 		this.handshakeHandler = handshakeHandler;
 	}
 
+	/**
+	 * Decorate the {@code WebSocketHandler} passed into the constructor.
+	 * <p>By default, {@link LoggingWebSocketHandlerDecorator} and
+	 * {@link ExceptionWebSocketHandlerDecorator} are added.
+	 * @since 5.2.2
+	 */
+	protected WebSocketHandler decorate(WebSocketHandler handler) {
+		return new ExceptionWebSocketHandlerDecorator(new LoggingWebSocketHandlerDecorator(handler));
+	}
+
 
 	/**
 	 * Return the WebSocketHandler.