Polishing

spring-context/src/main/java/org/springframework/context/annotation/MBeanExportConfiguration.java

@@ -32,7 +32,6 @@ import org.springframework.jmx.export.annotation.AnnotationMBeanExporter;
 import org.springframework.jmx.support.RegistrationPolicy;
 import org.springframework.jmx.support.WebSphereMBeanServerFactoryBean;
 import org.springframework.jndi.JndiLocatorDelegate;
-import org.springframework.util.Assert;
 import org.springframework.util.ClassUtils;
 import org.springframework.util.StringUtils;
 
@@ -63,8 +62,10 @@ public class MBeanExportConfiguration implements ImportAware, EnvironmentAware,
 	public void setImportMetadata(AnnotationMetadata importMetadata) {
 		Map<String, Object> map = importMetadata.getAnnotationAttributes(EnableMBeanExport.class.getName());
 		this.attributes = AnnotationAttributes.fromMap(map);
-		Assert.notNull(this.attributes,
-				"@EnableMBeanExport is not present on importing class " + importMetadata.getClassName());
+		if (this.attributes == null) {
+			throw new IllegalArgumentException(
+					"@EnableMBeanExport is not present on importing class " + importMetadata.getClassName());
+		}
 	}
 
 	@Override
@@ -78,7 +79,7 @@ public class MBeanExportConfiguration implements ImportAware, EnvironmentAware,
 	}
 
 
-	@Bean(name=MBEAN_EXPORTER_BEAN_NAME)
+	@Bean(name = MBEAN_EXPORTER_BEAN_NAME)
 	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
 	public AnnotationMBeanExporter mbeanExporter() {
 		AnnotationMBeanExporter exporter = new AnnotationMBeanExporter();

spring-context/src/main/java/org/springframework/context/support/LiveBeansView.java

@@ -57,6 +57,7 @@ public class LiveBeansView implements LiveBeansViewMBean, ApplicationContextAwar
 	private static final Set<ConfigurableApplicationContext> applicationContexts =
 			new LinkedHashSet<ConfigurableApplicationContext>();
 
+
 	static void registerApplicationContext(ConfigurableApplicationContext applicationContext) {
 		String mbeanDomain = applicationContext.getEnvironment().getProperty(MBEAN_DOMAIN_PROPERTY_NAME);
 		if (mbeanDomain != null) {
@@ -94,6 +95,7 @@ public class LiveBeansView implements LiveBeansViewMBean, ApplicationContextAwar
 
 	private ConfigurableApplicationContext applicationContext;
 
+
 	@Override
 	public void setApplicationContext(ApplicationContext applicationContext) {
 		Assert.isTrue(applicationContext instanceof ConfigurableApplicationContext,

spring-context/src/main/java/org/springframework/jmx/support/WebSphereMBeanServerFactoryBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 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.
@@ -18,7 +18,6 @@ package org.springframework.jmx.support;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-
 import javax.management.MBeanServer;
 
 import org.springframework.beans.factory.FactoryBean;
@@ -34,8 +33,9 @@ import org.springframework.jmx.MBeanServerNotFoundException;
  * This FactoryBean is a direct alternative to {@link MBeanServerFactoryBean},
  * which uses standard JMX 1.2 API to access the platform's MBeanServer.
  *
- * <p>See Javadoc for WebSphere's <a href="http://bit.ly/UzccDt">{@code
- * AdminServiceFactory}</a> and <a href="http://bit.ly/TRlX2r">{@code MBeanFactory}</a>.
+ * <p>See the javadocs for WebSphere's
+ * <a href="http://bit.ly/UzccDt">{@code AdminServiceFactory}</a>
+ * and <a href="http://bit.ly/TRlX2r">{@code MBeanFactory}</a>.
  *
  * @author Juergen Hoeller
  * @author Rob Harrop

spring-tx/src/main/java/org/springframework/transaction/config/JtaTransactionManagerFactoryBean.java

@@ -58,7 +58,7 @@ public class JtaTransactionManagerFactoryBean implements FactoryBean<JtaTransact
 		String className = resolveJtaTransactionManagerClassName();
 		try {
 			Class<? extends JtaTransactionManager> clazz = (Class<? extends JtaTransactionManager>)
-					JtaTransactionManagerFactoryBean.class.getClassLoader().loadClass(className);
+					ClassUtils.forName(className, JtaTransactionManagerFactoryBean.class.getClassLoader());
 			this.transactionManager = BeanUtils.instantiate(clazz);
 		}
 		catch (ClassNotFoundException ex) {

spring-web/src/main/java/org/springframework/web/context/request/async/WebAsyncManager.java

@@ -249,8 +249,8 @@ public final class WebAsyncManager {
 	 * @see #getConcurrentResult()
 	 * @see #getConcurrentResultContext()
 	 */
-	@SuppressWarnings({"unchecked", "rawtypes" })
-	public void startCallableProcessing(final Callable<?> callable, Object... processingContext) throws Exception {
+	@SuppressWarnings({"unchecked", "rawtypes"})
+	public void startCallableProcessing(Callable<?> callable, Object... processingContext) throws Exception {
 		Assert.notNull(callable, "Callable must not be null");
 		startCallableProcessing(new WebAsyncTask(callable), processingContext);
 	}

spring-websocket/src/main/java/org/springframework/web/socket/config/annotation/WebSocketMessageBrokerConfigurer.java

@@ -5,7 +5,7 @@
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
@@ -16,6 +16,7 @@
 
 package org.springframework.web.socket.config.annotation;
 
+import java.util.List;
 
 import org.springframework.messaging.converter.MessageConverter;
 import org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver;
@@ -23,13 +24,12 @@ import org.springframework.messaging.handler.invocation.HandlerMethodReturnValue
 import org.springframework.messaging.simp.config.ChannelRegistration;
 import org.springframework.messaging.simp.config.MessageBrokerRegistry;
 
-import java.util.List;
-
 /**
  * Defines methods for configuring message handling with simple messaging
- * protocols (e.g. STOMP) from WebSocket clients. Typically used to customize
- * the configuration provided via
- * {@link org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker @EnableWebSocketMessageBroker}.
+ * protocols (e.g. STOMP) from WebSocket clients.
+ *
+ * <p>Typically used to customize the configuration provided via
+ * {@link EnableWebSocketMessageBroker @EnableWebSocketMessageBroker}.
  *
  * @author Rossen Stoyanchev
  * @since 4.0
@@ -69,7 +69,7 @@ public interface WebSocketMessageBrokerConfigurer {
 	 * <p>This does not override the built-in support for resolving handler
 	 * method arguments. To customize the built-in support for argument
 	 * resolution, configure {@code SimpAnnotationMethodMessageHandler} directly.
-	 * @param argumentResolvers initially an empty list
+	 * @param argumentResolvers the resolvers to register (initially an empty list)
 	 * @since 4.1.1
 	 */
 	void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers);
@@ -79,7 +79,7 @@ public interface WebSocketMessageBrokerConfigurer {
 	 * <p>Using this option does not override the built-in support for handling
 	 * return values. To customize the built-in support for handling return
 	 * values, configure  {@code SimpAnnotationMethodMessageHandler} directly.
-	 * @param returnValueHandlers initially an empty list
+	 * @param returnValueHandlers the handlers to register (initially an empty list)
 	 * @since 4.1.1
 	 */
 	void addReturnValueHandlers(List<HandlerMethodReturnValueHandler> returnValueHandlers);
@@ -88,12 +88,10 @@ public interface WebSocketMessageBrokerConfigurer {
 	 * Configure the message converters to use when extracting the payload of
 	 * messages in annotated methods and when sending messages (e.g. through the
 	 * "broker" SimpMessagingTemplate).
-	 * <p>
-	 * The provided list, initially empty, can be used to add message converters
+	 * <p>The provided list, initially empty, can be used to add message converters
 	 * while the boolean return value is used to determine if default message should
 	 * be added as well.
-	 *
-	 * @param messageConverters initially an empty list of converters
+	 * @param messageConverters the converters to configure (initially an empty list)
 	 * @return whether to also add default converter or not
 	 */
 	boolean configureMessageConverters(List<MessageConverter> messageConverters);