Replace multiple ifs with switch

See gh-39259

Author: tobias-lippert

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-websocket-jetty/src/main/java/smoketest/websocket/jetty/snake/SnakeWebSocketHandler.java

@@ -80,17 +80,11 @@ public void afterConnectionEstablished(WebSocketSession session) throws Exceptio
 	@Override
 	protected void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception {
 		String payload = message.getPayload();
-		if ("west".equals(payload)) {
-			this.snake.setDirection(Direction.WEST);
-		}
-		else if ("north".equals(payload)) {
-			this.snake.setDirection(Direction.NORTH);
-		}
-		else if ("east".equals(payload)) {
-			this.snake.setDirection(Direction.EAST);
-		}
-		else if ("south".equals(payload)) {
-			this.snake.setDirection(Direction.SOUTH);
+		switch (payload) {
+			case "west" -> this.snake.setDirection(Direction.WEST);
+			case "north" -> this.snake.setDirection(Direction.NORTH);
+			case "east" -> this.snake.setDirection(Direction.EAST);
+			case "south" -> this.snake.setDirection(Direction.SOUTH);
 		}
 	}
 

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-websocket-tomcat/src/main/java/smoketest/websocket/tomcat/snake/SnakeWebSocketHandler.java

@@ -80,17 +80,11 @@ public void afterConnectionEstablished(WebSocketSession session) throws Exceptio
 	@Override
 	protected void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception {
 		String payload = message.getPayload();
-		if ("west".equals(payload)) {
-			this.snake.setDirection(Direction.WEST);
-		}
-		else if ("north".equals(payload)) {
-			this.snake.setDirection(Direction.NORTH);
-		}
-		else if ("east".equals(payload)) {
-			this.snake.setDirection(Direction.EAST);
-		}
-		else if ("south".equals(payload)) {
-			this.snake.setDirection(Direction.SOUTH);
+		switch (payload) {
+			case "west" -> this.snake.setDirection(Direction.WEST);
+			case "north" -> this.snake.setDirection(Direction.NORTH);
+			case "east" -> this.snake.setDirection(Direction.EAST);
+			case "south" -> this.snake.setDirection(Direction.SOUTH);
 		}
 	}
 

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-websocket-undertow/src/main/java/smoketest/websocket/undertow/snake/SnakeWebSocketHandler.java

@@ -80,17 +80,11 @@ public void afterConnectionEstablished(WebSocketSession session) throws Exceptio
 	@Override
 	protected void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception {
 		String payload = message.getPayload();
-		if ("west".equals(payload)) {
-			this.snake.setDirection(Direction.WEST);
-		}
-		else if ("north".equals(payload)) {
-			this.snake.setDirection(Direction.NORTH);
-		}
-		else if ("east".equals(payload)) {
-			this.snake.setDirection(Direction.EAST);
-		}
-		else if ("south".equals(payload)) {
-			this.snake.setDirection(Direction.SOUTH);
+		switch (payload) {
+			case "west" -> this.snake.setDirection(Direction.WEST);
+			case "north" -> this.snake.setDirection(Direction.NORTH);
+			case "east" -> this.snake.setDirection(Direction.EAST);
+			case "south" -> this.snake.setDirection(Direction.SOUTH);
 		}
 	}