Consistent SmartLifecycle implementations

Issue: SPR-14233

spring-jms/src/main/java/org/springframework/jms/listener/AbstractJmsListeningContainer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -315,7 +315,7 @@ public abstract class AbstractJmsListeningContainer extends JmsDestinationAccess
 
 	@Override
 	public void stop(Runnable callback) {
-		this.stop();
+		stop();
 		callback.run();
 	}
 

spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/support/SimpAnnotationMethodMessageHandler.java

@@ -272,13 +272,6 @@ public class SimpAnnotationMethodMessageHandler extends AbstractMethodMessageHan
 		return Integer.MAX_VALUE;
 	}
 
-	@Override
-	public final boolean isRunning() {
-		synchronized (this.lifecycleMonitor) {
-			return this.running;
-		}
-	}
-
 	@Override
 	public final void start() {
 		synchronized (this.lifecycleMonitor) {
@@ -303,6 +296,13 @@ public class SimpAnnotationMethodMessageHandler extends AbstractMethodMessageHan
 		}
 	}
 
+	@Override
+	public final boolean isRunning() {
+		synchronized (this.lifecycleMonitor) {
+			return this.running;
+		}
+	}
+
 
 	protected List<HandlerMethodArgumentResolver> initArgumentResolvers() {
 		ConfigurableBeanFactory beanFactory = (getApplicationContext() instanceof ConfigurableApplicationContext ?

spring-messaging/src/main/java/org/springframework/messaging/simp/user/UserDestinationMessageHandler.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,8 +16,6 @@
 
 package org.springframework.messaging.simp.user;
 
-import static org.springframework.messaging.simp.SimpMessageHeaderAccessor.*;
-
 import java.util.Arrays;
 import java.util.List;
 
@@ -154,13 +152,6 @@ public class UserDestinationMessageHandler implements MessageHandler, SmartLifec
 		return true;
 	}
 
-	@Override
-	public final boolean isRunning() {
-		synchronized (this.lifecycleMonitor) {
-			return this.running;
-		}
-	}
-
 	@Override
 	public final void start() {
 		synchronized (this.lifecycleMonitor) {
@@ -187,6 +178,13 @@ public class UserDestinationMessageHandler implements MessageHandler, SmartLifec
 		}
 	}
 
+	@Override
+	public final boolean isRunning() {
+		synchronized (this.lifecycleMonitor) {
+			return this.running;
+		}
+	}
+
 
 	@Override
 	public void handleMessage(Message<?> message) throws MessagingException {
@@ -211,7 +209,7 @@ public class UserDestinationMessageHandler implements MessageHandler, SmartLifec
 		}
 		SimpMessageHeaderAccessor accessor = SimpMessageHeaderAccessor.wrap(message);
 		initHeaders(accessor);
-		accessor.setNativeHeader(ORIGINAL_DESTINATION, result.getSubscribeDestination());
+		accessor.setNativeHeader(SimpMessageHeaderAccessor.ORIGINAL_DESTINATION, result.getSubscribeDestination());
 		accessor.setLeaveMutable(true);
 		message = MessageBuilder.createMessage(message.getPayload(), accessor.getMessageHeaders());
 		if (logger.isTraceEnabled()) {
@@ -242,18 +240,15 @@ public class UserDestinationMessageHandler implements MessageHandler, SmartLifec
 
 		private static final List<String> NO_COPY_LIST = Arrays.asList("subscription", "message-id");
 
-
 		private final MessageSendingOperations<String> messagingTemplate;
 
 		private final String broadcastDestination;
 
-
 		public BroadcastHandler(MessageSendingOperations<String> template, String destination) {
 			this.messagingTemplate = template;
 			this.broadcastDestination = destination;
 		}
 
-
 		public String getBroadcastDestination() {
 			return this.broadcastDestination;
 		}
@@ -263,12 +258,13 @@ public class UserDestinationMessageHandler implements MessageHandler, SmartLifec
 			if (!getBroadcastDestination().equals(destination)) {
 				return message;
 			}
-			SimpMessageHeaderAccessor accessor = getAccessor(message, SimpMessageHeaderAccessor.class);
+			SimpMessageHeaderAccessor accessor =
+					SimpMessageHeaderAccessor.getAccessor(message, SimpMessageHeaderAccessor.class);
 			if (accessor.getSessionId() == null) {
 				// Our own broadcast
 				return null;
 			}
-			destination = accessor.getFirstNativeHeader(ORIGINAL_DESTINATION);
+			destination = accessor.getFirstNativeHeader(SimpMessageHeaderAccessor.ORIGINAL_DESTINATION);
 			if (logger.isTraceEnabled()) {
 				logger.trace("Checking unresolved user destination: " + destination);
 			}
@@ -286,13 +282,14 @@ public class UserDestinationMessageHandler implements MessageHandler, SmartLifec
 
 		public void handleUnresolved(Message<?> message) {
 			MessageHeaders headers = message.getHeaders();
-			if (SimpMessageHeaderAccessor.getFirstNativeHeader(ORIGINAL_DESTINATION, headers) != null) {
+			if (SimpMessageHeaderAccessor.getFirstNativeHeader(
+					SimpMessageHeaderAccessor.ORIGINAL_DESTINATION, headers) != null) {
 				// Re-broadcast
 				return;
 			}
 			SimpMessageHeaderAccessor accessor = SimpMessageHeaderAccessor.wrap(message);
 			String destination = accessor.getDestination();
-			accessor.setNativeHeader(ORIGINAL_DESTINATION, destination);
+			accessor.setNativeHeader(SimpMessageHeaderAccessor.ORIGINAL_DESTINATION, destination);
 			accessor.setLeaveMutable(true);
 			message = MessageBuilder.createMessage(message.getPayload(), accessor.getMessageHeaders());
 			if (logger.isTraceEnabled()) {

spring-tx/src/main/java/org/springframework/jca/endpoint/GenericMessageEndpointManager.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -308,7 +308,7 @@ public class GenericMessageEndpointManager implements SmartLifecycle, Initializi
 	@Override
 	public void stop(Runnable callback) {
 		synchronized (this.lifecycleMonitor) {
-			this.stop();
+			stop();
 			callback.run();
 		}
 	}

spring-websocket/src/main/java/org/springframework/web/socket/client/ConnectionManagerSupport.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -56,6 +56,10 @@ public abstract class ConnectionManagerSupport implements SmartLifecycle {
 	}
 
 
+	protected URI getUri() {
+		return this.uri;
+	}
+
 	/**
 	 * Set whether to auto-connect to the remote endpoint after this connection manager
 	 * has been initialized and the Spring context has been refreshed.
@@ -95,22 +99,9 @@ public abstract class ConnectionManagerSupport implements SmartLifecycle {
 		return this.phase;
 	}
 
-	protected URI getUri() {
-		return this.uri;
-	}
 
 	/**
-	 * Return whether this ConnectionManager has been started.
+	 * Start the WebSocket connection. If already connected, the method has no impact.
-	 */
-	@Override
-	public boolean isRunning() {
-		synchronized (this.lifecycleMonitor) {
-			return this.running;
-		}
-	}
-
-	/**
-	 * Start the websocket connection. If already connected, the method has no impact.
 	 */
 	@Override
 	public final void start() {
@@ -122,29 +113,27 @@ public abstract class ConnectionManagerSupport implements SmartLifecycle {
 	}
 
 	protected void startInternal() {
-		synchronized (lifecycleMonitor) {
+		synchronized (this.lifecycleMonitor) {
 			if (logger.isInfoEnabled()) {
-				logger.info("Starting " + this.getClass().getSimpleName());
+				logger.info("Starting " + getClass().getSimpleName());
 			}
 			this.running = true;
 			openConnection();
 		}
 	}
 
-	protected abstract void openConnection();
-
 	@Override
 	public final void stop() {
 		synchronized (this.lifecycleMonitor) {
 			if (isRunning()) {
 				if (logger.isInfoEnabled()) {
-					logger.info("Stopping " + this.getClass().getSimpleName());
+					logger.info("Stopping " + getClass().getSimpleName());
 				}
 				try {
 					stopInternal();
 				}
-				catch (Throwable e) {
+				catch (Throwable ex) {
-					logger.error("Failed to stop WebSocket connection", e);
+					logger.error("Failed to stop WebSocket connection", ex);
 				}
 				finally {
 					this.running = false;
@@ -153,22 +142,35 @@ public abstract class ConnectionManagerSupport implements SmartLifecycle {
 		}
 	}
 
+	@Override
+	public final void stop(Runnable callback) {
+		synchronized (this.lifecycleMonitor) {
+			stop();
+			callback.run();
+		}
+	}
+
 	protected void stopInternal() throws Exception {
 		if (isConnected()) {
 			closeConnection();
 		}
 	}
 
-	protected abstract boolean isConnected();
+	/**
-
+	 * Return whether this ConnectionManager has been started.
-	protected abstract void closeConnection() throws Exception;
+	 */
-
 	@Override
-	public final void stop(Runnable callback) {
+	public boolean isRunning() {
 		synchronized (this.lifecycleMonitor) {
-			this.stop();
+			return this.running;
-			callback.run();
 		}
 	}
 
+
+	protected abstract void openConnection();
+
+	protected abstract void closeConnection() throws Exception;
+
+	protected abstract boolean isConnected();
+
 }

spring-websocket/src/main/java/org/springframework/web/socket/client/standard/AnnotatedEndpointConnectionManager.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -47,10 +47,10 @@ public class AnnotatedEndpointConnectionManager extends ConnectionManagerSupport
 
 	private WebSocketContainer webSocketContainer = ContainerProvider.getWebSocketContainer();
 
-	private Session session;
-
 	private TaskExecutor taskExecutor = new SimpleAsyncTaskExecutor("AnnotatedEndpointConnectionManager-");
 
+	private volatile Session session;
+
 
 	public AnnotatedEndpointConnectionManager(Object endpoint, String uriTemplate, Object... uriVariables) {
 		super(uriTemplate, uriVariables);
@@ -96,19 +96,22 @@ public class AnnotatedEndpointConnectionManager extends ConnectionManagerSupport
 		return this.taskExecutor;
 	}
 
+
 	@Override
 	protected void openConnection() {
 		this.taskExecutor.execute(new Runnable() {
 			@Override
 			public void run() {
 				try {
+					if (logger.isInfoEnabled()) {
 						logger.info("Connecting to WebSocket at " + getUri());
+					}
 					Object endpointToUse = (endpoint != null) ? endpoint : endpointProvider.getHandler();
 					session = webSocketContainer.connectToServer(endpointToUse, getUri());
-					logger.info("Successfully connected");
+					logger.info("Successfully connected to WebSocket");
 				}
 				catch (Throwable ex) {
-					logger.error("Failed to connect", ex);
+					logger.error("Failed to connect to WebSocket", ex);
 				}
 			}
 		});
@@ -128,7 +131,7 @@ public class AnnotatedEndpointConnectionManager extends ConnectionManagerSupport
 
 	@Override
 	protected boolean isConnected() {
-		return ((this.session != null) && this.session.isOpen());
+		return (this.session != null && this.session.isOpen());
 	}
 
 }

spring-websocket/src/main/java/org/springframework/web/socket/client/standard/EndpointConnectionManager.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,7 +28,6 @@ import javax.websocket.Extension;
 import javax.websocket.Session;
 import javax.websocket.WebSocketContainer;
 
-import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.BeanFactory;
 import org.springframework.beans.factory.BeanFactoryAware;
 import org.springframework.core.task.SimpleAsyncTaskExecutor;
@@ -57,10 +56,10 @@ public class EndpointConnectionManager extends ConnectionManagerSupport implemen
 
 	private WebSocketContainer webSocketContainer = ContainerProvider.getWebSocketContainer();
 
-	private Session session;
-
 	private TaskExecutor taskExecutor = new SimpleAsyncTaskExecutor("EndpointConnectionManager-");
 
+	private volatile Session session;
+
 
 	public EndpointConnectionManager(Endpoint endpoint, String uriTemplate, Object... uriVariables) {
 		super(uriTemplate, uriVariables);
@@ -106,7 +105,7 @@ public class EndpointConnectionManager extends ConnectionManagerSupport implemen
 	}
 
 	@Override
-	public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
+	public void setBeanFactory(BeanFactory beanFactory) {
 		if (this.endpointProvider != null) {
 			this.endpointProvider.setBeanFactory(beanFactory);
 		}
@@ -135,14 +134,16 @@ public class EndpointConnectionManager extends ConnectionManagerSupport implemen
 			@Override
 			public void run() {
 				try {
+					if (logger.isInfoEnabled()) {
 						logger.info("Connecting to WebSocket at " + getUri());
+					}
 					Endpoint endpointToUse = (endpoint != null) ? endpoint : endpointProvider.getHandler();
 					ClientEndpointConfig endpointConfig = configBuilder.build();
 					session = getWebSocketContainer().connectToServer(endpointToUse, endpointConfig, getUri());
-					logger.info("Successfully connected");
+					logger.info("Successfully connected to WebSocket");
 				}
 				catch (Throwable ex) {
-					logger.error("Failed to connect", ex);
+					logger.error("Failed to connect to WebSocket", ex);
 				}
 			}
 		});
@@ -162,7 +163,7 @@ public class EndpointConnectionManager extends ConnectionManagerSupport implemen
 
 	@Override
 	protected boolean isConnected() {
-		return ((this.session != null) && this.session.isOpen());
+		return (this.session != null && this.session.isOpen());
 	}
 
 }

spring-websocket/src/main/java/org/springframework/web/socket/messaging/SubProtocolWebSocketHandler.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -239,13 +239,6 @@ public class SubProtocolWebSocketHandler
 		return Integer.MAX_VALUE;
 	}
 
-	@Override
-	public final boolean isRunning() {
-		synchronized (this.lifecycleMonitor) {
-			return this.running;
-		}
-	}
-
 	@Override
 	public final void start() {
 		Assert.isTrue(this.defaultProtocolHandler != null || !this.protocolHandlers.isEmpty(), "No handlers");
@@ -281,6 +274,13 @@ public class SubProtocolWebSocketHandler
 		}
 	}
 
+	@Override
+	public final boolean isRunning() {
+		synchronized (this.lifecycleMonitor) {
+			return this.running;
+		}
+	}
+
 
 	@Override
 	public void afterConnectionEstablished(WebSocketSession session) throws Exception {

spring-websocket/src/main/java/org/springframework/web/socket/messaging/WebSocketStompClient.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -91,7 +91,7 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
 	 * @param webSocketClient the WebSocket client to connect with
 	 */
 	public WebSocketStompClient(WebSocketClient webSocketClient) {
-		Assert.notNull(webSocketClient, "'webSocketClient' is required.");
+		Assert.notNull(webSocketClient, "WebSocketClient is required");
 		this.webSocketClient = webSocketClient;
 		setDefaultHeartbeat(new long[] {0, 0});
 	}
@@ -153,11 +153,6 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
 		return this.autoStartup;
 	}
 
-	@Override
-	public boolean isRunning() {
-		return this.running;
-	}
-
 	/**
 	 * Specify the phase in which the WebSocket client should be started and
 	 * subsequently closed. The startup order proceeds from lowest to highest,
@@ -201,10 +196,16 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
 
 	@Override
 	public void stop(Runnable callback) {
-		this.stop();
+		stop();
 		callback.run();
 	}
 
+	@Override
+	public boolean isRunning() {
+		return this.running;
+	}
+
+
 	/**
 	 * Connect to the given WebSocket URL and notify the given
 	 * {@link org.springframework.messaging.simp.stomp.StompSessionHandler}
@@ -249,7 +250,7 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
 	public ListenableFuture<StompSession> connect(String url, WebSocketHttpHeaders handshakeHeaders,
 			StompHeaders connectHeaders, StompSessionHandler handler, Object... uriVariables) {
 
-		Assert.notNull(url, "uriTemplate must not be null");
+		Assert.notNull(url, "'url' must not be null");
 		URI uri = UriComponentsBuilder.fromUriString(url).buildAndExpand(uriVariables).encode().toUri();
 		return connect(uri, handshakeHeaders, connectHeaders, handler);
 	}
@@ -267,7 +268,7 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
 	public ListenableFuture<StompSession> connect(URI url, WebSocketHttpHeaders handshakeHeaders,
 			StompHeaders connectHeaders, StompSessionHandler sessionHandler) {
 
-		Assert.notNull(url, "'uri' must not be null");
+		Assert.notNull(url, "'url' must not be null");
 		ConnectionHandlingStompSession session = createSession(connectHeaders, sessionHandler);
 		WebSocketTcpConnectionHandlerAdapter adapter = new WebSocketTcpConnectionHandlerAdapter(session);
 		getWebSocketClient().doHandshake(adapter, handshakeHeaders, url).addCallback(adapter);
@@ -278,7 +279,7 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
 	protected StompHeaders processConnectHeaders(StompHeaders connectHeaders) {
 		connectHeaders = super.processConnectHeaders(connectHeaders);
 		if (connectHeaders.isHeartbeatEnabled()) {
-			Assert.notNull(getTaskScheduler(), "TaskScheduler cannot be null if heartbeats are enabled.");
+			Assert.state(getTaskScheduler() != null, "TaskScheduler must be set if heartbeats are enabled");
 		}
 		return connectHeaders;
 	}
@@ -303,7 +304,7 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
 		private final List<ScheduledFuture<?>> inactivityTasks = new ArrayList<ScheduledFuture<?>>(2);
 
 		public WebSocketTcpConnectionHandlerAdapter(TcpConnectionHandler<byte[]> connectionHandler) {
-			Assert.notNull(connectionHandler);
+			Assert.notNull(connectionHandler, "TcpConnectionHandler must not be null");
 			this.connectionHandler = connectionHandler;
 		}
 
@@ -397,7 +398,7 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
 
 		@Override
 		public void onReadInactivity(final Runnable runnable, final long duration) {
-			Assert.notNull(getTaskScheduler(), "No scheduler configured.");
+			Assert.state(getTaskScheduler() != null, "No TaskScheduler configured");
 			this.lastReadTime = System.currentTimeMillis();
 			this.inactivityTasks.add(getTaskScheduler().scheduleWithFixedDelay(new Runnable() {
 				@Override
@@ -418,7 +419,7 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
 
 		@Override
 		public void onWriteInactivity(final Runnable runnable, final long duration) {
-			Assert.notNull(getTaskScheduler(), "No scheduler configured.");
+			Assert.state(getTaskScheduler() != null, "No TaskScheduler configured");
 			this.lastWriteTime = System.currentTimeMillis();
 			this.inactivityTasks.add(getTaskScheduler().scheduleWithFixedDelay(new Runnable() {
 				@Override
@@ -491,7 +492,7 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
 
 		public WebSocketMessage<?> encode(Message<byte[]> message, Class<? extends WebSocketSession> sessionType) {
 			StompHeaderAccessor accessor = MessageHeaderAccessor.getAccessor(message, StompHeaderAccessor.class);
-			Assert.notNull(accessor);
+			Assert.notNull(accessor, "No StompHeaderAccessor available");
 			byte[] payload = message.getPayload();
 			byte[] bytes = ENCODER.encode(accessor.getMessageHeaders(), payload);
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -51,11 +51,6 @@ public class WebSocketHandlerMapping extends SimpleUrlHandlerMapping implements
 		return true;
 	}
 
-	@Override
-	public boolean isRunning() {
-		return this.running;
-	}
-
 	@Override
 	public int getPhase() {
 		return Integer.MAX_VALUE;
@@ -91,4 +86,9 @@ public class WebSocketHandlerMapping extends SimpleUrlHandlerMapping implements
 		callback.run();
 	}
 
+	@Override
+	public boolean isRunning() {
+		return this.running;
+	}
+
 }

spring-websocket/src/test/java/org/springframework/web/socket/messaging/WebSocketStompClientTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,16 +16,12 @@
 
 package org.springframework.web.socket.messaging;
 
-import static org.junit.Assert.*;
-import static org.mockito.Mockito.*;
-
 import java.net.URI;
 import java.nio.charset.Charset;
 import java.util.concurrent.ScheduledFuture;
 
 import org.junit.Before;
 import org.junit.Test;
-
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
@@ -50,6 +46,9 @@ import org.springframework.web.socket.WebSocketHandler;
 import org.springframework.web.socket.WebSocketSession;
 import org.springframework.web.socket.client.WebSocketClient;
 
+import static org.junit.Assert.*;
+import static org.mockito.Mockito.*;
+
 /**
  * Unit tests for {@link WebSocketStompClient}.
  *
@@ -91,6 +90,7 @@ public class WebSocketStompClientTests {
 				.thenReturn(this.handshakeFuture);
 	}
 
+
 	@Test
 	public void webSocketHandshakeFailure() throws Exception {
 		connect();
@@ -246,9 +246,9 @@ public class WebSocketStompClientTests {
 		stompClient.setDefaultHeartbeat(new long[] {5, 5});
 		try {
 			stompClient.processConnectHeaders(null);
-			fail("Expected exception");
+			fail("Expected IllegalStateException");
 		}
-		catch (IllegalArgumentException ex) {
+		catch (IllegalStateException ex) {
 			// Ignore
 		}
 	}
@@ -308,7 +308,6 @@ public class WebSocketStompClientTests {
 
 
 	private WebSocketHandler connect() {
-
 		this.stompClient.connect("/foo", mock(StompSessionHandler.class));
 
 		verify(this.stompSession).getSessionFuture();
@@ -354,7 +353,6 @@ public class WebSocketStompClientTests {
 
 		private ConnectionHandlingStompSession stompSession;
 
-
 		public TestWebSocketStompClient(WebSocketClient webSocketClient) {
 			super(webSocketClient);
 		}