Polishing

(cherry picked from commit 67ba187)

spring-context/src/main/java/org/springframework/cache/interceptor/AbstractCacheInvoker.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.
@@ -31,14 +31,16 @@ public abstract class AbstractCacheInvoker {
 
 	private CacheErrorHandler errorHandler;
 
+
+	protected AbstractCacheInvoker() {
+		this(new SimpleCacheErrorHandler());
+	}
+
 	protected AbstractCacheInvoker(CacheErrorHandler errorHandler) {
 		Assert.notNull("ErrorHandler must not be null");
 		this.errorHandler = errorHandler;
 	}
 
-	protected AbstractCacheInvoker() {
-		 this(new SimpleCacheErrorHandler());
-	}
 
 	/**
 	 * Set the {@link CacheErrorHandler} instance to use to handle errors
@@ -56,6 +58,7 @@ public abstract class AbstractCacheInvoker {
 		return this.errorHandler;
 	}
 
+
 	/**
 	 * Execute {@link Cache#get(Object)} on the specified {@link Cache} and
 	 * invoke the error handler if an exception occurs. Return {@code null}
@@ -67,9 +70,9 @@ public abstract class AbstractCacheInvoker {
 		try {
 			return cache.get(key);
 		}
-		catch (RuntimeException e) {
-			getErrorHandler().handleCacheGetError(e, cache, key);
-			return null; // If the exception is handled, return a cache miss
+		catch (RuntimeException ex) {
+			getErrorHandler().handleCacheGetError(ex, cache, key);
+			return null;  // If the exception is handled, return a cache miss
 		}
 	}
 
@@ -81,8 +84,8 @@ public abstract class AbstractCacheInvoker {
 		try {
 			cache.put(key, result);
 		}
-		catch (RuntimeException e) {
-			getErrorHandler().handleCachePutError(e, cache, key, result);
+		catch (RuntimeException ex) {
+			getErrorHandler().handleCachePutError(ex, cache, key, result);
 		}
 	}
 
@@ -94,8 +97,8 @@ public abstract class AbstractCacheInvoker {
 		try {
 			cache.evict(key);
 		}
-		catch (RuntimeException e) {
-			getErrorHandler().handleCacheEvictError(e, cache, key);
+		catch (RuntimeException ex) {
+			getErrorHandler().handleCacheEvictError(ex, cache, key);
 		}
 	}
 
@@ -107,8 +110,8 @@ public abstract class AbstractCacheInvoker {
 		try {
 			cache.clear();
 		}
-		catch (RuntimeException e) {
-			getErrorHandler().handleCacheClearError(e, cache);
+		catch (RuntimeException ex) {
+			getErrorHandler().handleCacheClearError(ex, cache);
 		}
 	}
 

spring-context/src/main/java/org/springframework/cache/interceptor/CacheAspectSupport.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.
@@ -76,13 +76,10 @@ import org.springframework.util.StringUtils;
  * @since 3.1
  */
 public abstract class CacheAspectSupport extends AbstractCacheInvoker
-		implements InitializingBean, SmartInitializingSingleton, ApplicationContextAware {
+		implements ApplicationContextAware, InitializingBean, SmartInitializingSingleton {
 
 	protected final Log logger = LogFactory.getLog(getClass());
 
-	/**
-	 * Cache of CacheOperationMetadata, keyed by {@link CacheOperationCacheKey}.
-	 */
 	private final Map<CacheOperationCacheKey, CacheOperationMetadata> metadataCache =
 			new ConcurrentHashMap<CacheOperationCacheKey, CacheOperationMetadata>(1024);
 
@@ -273,7 +270,7 @@ public abstract class CacheAspectSupport extends AbstractCacheInvoker
 	 * Return a bean with the specified name and type. Used to resolve services that
 	 * are referenced by name in a {@link CacheOperation}.
 	 * @param beanName the name of the bean, as defined by the operation
-	 * @param expectedType type type for the bean
+	 * @param expectedType type for the bean
 	 * @return the bean matching that name
 	 * @throws org.springframework.beans.factory.NoSuchBeanDefinitionException if such bean does not exist
 	 * @see CacheOperation#keyGenerator
@@ -293,8 +290,7 @@ public abstract class CacheAspectSupport extends AbstractCacheInvoker
 	}
 
 	protected Object execute(CacheOperationInvoker invoker, Object target, Method method, Object[] args) {
-		// check whether aspect is enabled
-		// to cope with cases where the AJ is pulled in automatically
+		// Check whether aspect is enabled (to cope with cases where the AJ is pulled in automatically)
 		if (this.initialized) {
 			Class<?> targetClass = getTargetClass(target);
 			Collection<CacheOperation> operations = getCacheOperationSource().getCacheOperations(method, targetClass);
@@ -377,7 +373,7 @@ public abstract class CacheAspectSupport extends AbstractCacheInvoker
 					excluded.add(context);
 				}
 			}
-			catch (VariableNotAvailableException e) {
+			catch (VariableNotAvailableException ex) {
 				// Ignoring failure due to missing result, consider the cache put has to proceed
 			}
 		}

spring-jdbc/src/main/java/org/springframework/jdbc/object/GenericSqlQuery.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.
@@ -18,43 +18,45 @@ package org.springframework.jdbc.object;
 
 import java.util.Map;
 
-import org.springframework.dao.InvalidDataAccessResourceUsageException;
+import org.springframework.beans.BeanUtils;
 import org.springframework.jdbc.core.RowMapper;
 import org.springframework.util.Assert;
 
+/**
+ * A concrete variant of {@link SqlQuery} which can be configured
+ * with a {@link RowMapper}.
+ *
+ * @author Thomas Risberg
+ * @author Juergen Hoeller
+ * @since 3.0
+ * @see #setRowMapperClass
+ */
 public class GenericSqlQuery<T> extends SqlQuery<T> {
 
-	Class<?> rowMapperClass;
+	@SuppressWarnings("rawtypes")
+	private Class<? extends RowMapper> rowMapperClass;
 
-	RowMapper<?> rowMapper;
 
+	/**
+	 * Set a {@link RowMapper} class for this query, creating a fresh
+	 * {@link RowMapper} instance per execution.
+	 */
 	@SuppressWarnings("rawtypes")
-	public void setRowMapperClass(Class<? extends RowMapper> rowMapperClass)
-			throws IllegalAccessException, InstantiationException {
+	public void setRowMapperClass(Class<? extends RowMapper> rowMapperClass) {
 		this.rowMapperClass = rowMapperClass;
-		if (!RowMapper.class.isAssignableFrom(rowMapperClass))
-			throw new IllegalStateException("The specified class '" +
-					rowMapperClass.getName() + " is not a sub class of " +
-					"'org.springframework.jdbc.core.RowMapper'");
 	}
 
 	@Override
 	public void afterPropertiesSet() {
 		super.afterPropertiesSet();
-		Assert.notNull(rowMapperClass, "The 'rowMapperClass' property is required");
+		Assert.notNull(this.rowMapperClass, "'rowMapperClass' is required");
 	}
 
+
 	@Override
 	@SuppressWarnings("unchecked")
 	protected RowMapper<T> newRowMapper(Object[] parameters, Map<?, ?> context) {
-		try {
-			return (RowMapper<T>) rowMapperClass.newInstance();
-		}
-		catch (InstantiationException e) {
-			throw new InvalidDataAccessResourceUsageException("Unable to instantiate RowMapper", e);
-		}
-		catch (IllegalAccessException e) {
-			throw new InvalidDataAccessResourceUsageException("Unable to instantiate RowMapper", e);
-		}
+		return BeanUtils.instantiateClass(this.rowMapperClass);
 	}
+
 }

spring-jms/src/main/java/org/springframework/jms/support/SimpleJmsHeaderMapper.java

@@ -70,8 +70,8 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 				try {
 					jmsMessage.setJMSCorrelationID((String) jmsCorrelationId);
 				}
-				catch (Exception e) {
-					logger.info("failed to set JMSCorrelationID, skipping", e);
+				catch (Exception ex) {
+					logger.info("Failed to set JMSCorrelationID - skipping", ex);
 				}
 			}
 			Destination jmsReplyTo = getHeaderIfAvailable(headers, JmsHeaders.REPLY_TO, Destination.class);
@@ -79,8 +79,8 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 				try {
 					jmsMessage.setJMSReplyTo(jmsReplyTo);
 				}
-				catch (Exception e) {
-					logger.info("failed to set JMSReplyTo, skipping", e);
+				catch (Exception ex) {
+					logger.info("Failed to set JMSReplyTo - skipping", ex);
 				}
 			}
 			String jmsType = getHeaderIfAvailable(headers, JmsHeaders.TYPE, String.class);
@@ -88,8 +88,8 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 				try {
 					jmsMessage.setJMSType(jmsType);
 				}
-				catch (Exception e) {
-					logger.info("failed to set JMSType, skipping", e);
+				catch (Exception ex) {
+					logger.info("Failed to set JMSType - skipping", ex);
 				}
 			}
 			Set<String> headerNames = headers.keySet();
@@ -101,14 +101,15 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 							String propertyName = this.fromHeaderName(headerName);
 							jmsMessage.setObjectProperty(propertyName, value);
 						}
-						catch (Exception e) {
+						catch (Exception ex) {
 							if (headerName.startsWith("JMSX")) {
 								if (logger.isTraceEnabled()) {
-									logger.trace("skipping reserved header, it cannot be set by client: " + headerName);
+									logger.trace("Skipping reserved header '" + headerName +
+											"' since it cannot be set by client");
 								}
 							}
 							else if (logger.isWarnEnabled()) {
-								logger.warn("failed to map Message header '" + headerName + "' to JMS property", e);
+								logger.warn("Failed to map message header '" + headerName + "' to JMS property", ex);
 							}
 						}
 					}
@@ -117,7 +118,7 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 		}
 		catch (Exception ex) {
 			if (logger.isWarnEnabled()) {
-				logger.warn("error occurred while mapping from MessageHeaders to JMS properties", ex);
+				logger.warn("Error occurred while mapping from MessageHeaders to JMS properties", ex);
 			}
 		}
 	}
@@ -133,7 +134,7 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 				}
 			}
 			catch (Exception ex) {
-				logger.info("failed to read JMSCorrelationID property, skipping", ex);
+				logger.info("Failed to read JMSCorrelationID property - skipping", ex);
 			}
 			try {
 				Destination destination = jmsMessage.getJMSDestination();
@@ -142,21 +143,21 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 				}
 			}
 			catch (Exception ex) {
-				logger.info("failed to read JMSDestination property, skipping", ex);
+				logger.info("Failed to read JMSDestination property - skipping", ex);
 			}
 			try {
 				int deliveryMode = jmsMessage.getJMSDeliveryMode();
 				headers.put(JmsHeaders.DELIVERY_MODE, deliveryMode);
 			}
 			catch (Exception ex) {
-				logger.info("failed to read JMSDeliveryMode property, skipping", ex);
+				logger.info("Failed to read JMSDeliveryMode property - skipping", ex);
 			}
 			try {
 				long expiration = jmsMessage.getJMSExpiration();
 				headers.put(JmsHeaders.EXPIRATION, expiration);
 			}
 			catch (Exception ex) {
-				logger.info("failed to read JMSExpiration property, skipping", ex);
+				logger.info("Failed to read JMSExpiration property - skipping", ex);
 			}
 			try {
 				String messageId = jmsMessage.getJMSMessageID();
@@ -165,13 +166,13 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 				}
 			}
 			catch (Exception ex) {
-				logger.info("failed to read JMSMessageID property, skipping", ex);
+				logger.info("Failed to read JMSMessageID property - skipping", ex);
 			}
 			try {
 				headers.put(JmsHeaders.PRIORITY, jmsMessage.getJMSPriority());
 			}
 			catch (Exception ex) {
-				logger.info("failed to read JMSPriority property, skipping", ex);
+				logger.info("Failed to read JMSPriority property - skipping", ex);
 			}
 			try {
 				Destination replyTo = jmsMessage.getJMSReplyTo();
@@ -180,13 +181,13 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 				}
 			}
 			catch (Exception ex) {
-				logger.info("failed to read JMSReplyTo property, skipping", ex);
+				logger.info("Failed to read JMSReplyTo property - skipping", ex);
 			}
 			try {
 				headers.put(JmsHeaders.REDELIVERED, jmsMessage.getJMSRedelivered());
 			}
 			catch (Exception ex) {
-				logger.info("failed to read JMSRedelivered property, skipping", ex);
+				logger.info("Failed to read JMSRedelivered property - skipping", ex);
 			}
 			try {
 				String type = jmsMessage.getJMSType();
@@ -195,13 +196,13 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 				}
 			}
 			catch (Exception ex) {
-				logger.info("failed to read JMSType property, skipping", ex);
+				logger.info("Failed to read JMSType property - skipping", ex);
 			}
 			try {
 				headers.put(JmsHeaders.TIMESTAMP, jmsMessage.getJMSTimestamp());
 			}
 			catch (Exception ex) {
-				logger.info("failed to read JMSTimestamp property, skipping", ex);
+				logger.info("Failed to read JMSTimestamp property - skipping", ex);
 			}
 
 

spring-messaging/src/main/java/org/springframework/messaging/core/GenericMessagingTemplate.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.
@@ -98,13 +98,13 @@ public class GenericMessagingTemplate extends AbstractDestinationResolvingMessag
 
 	@Override
 	public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
-		super.setDestinationResolver(new BeanFactoryMessageChannelDestinationResolver(beanFactory));
+		setDestinationResolver(new BeanFactoryMessageChannelDestinationResolver(beanFactory));
 	}
 
 
 	@Override
 	protected final void doSend(MessageChannel channel, Message<?> message) {
-		Assert.notNull(channel, "'channel' is required");
+		Assert.notNull(channel, "MessageChannel is required");
 
 		MessageHeaderAccessor accessor = MessageHeaderAccessor.getAccessor(message, MessageHeaderAccessor.class);
 		if (accessor != null && accessor.isMutable()) {
@@ -116,13 +116,13 @@ public class GenericMessagingTemplate extends AbstractDestinationResolvingMessag
 
 		if (!sent) {
 			throw new MessageDeliveryException(message,
-					"failed to send message to channel '" + channel + "' within timeout: " + timeout);
+					"Failed to send message to channel '" + channel + "' within timeout: " + timeout);
 		}
 	}
 
 	@Override
 	protected final Message<?> doReceive(MessageChannel channel) {
-		Assert.notNull(channel, "'channel' is required");
+		Assert.notNull(channel, "MessageChannel is required");
 		Assert.state(channel instanceof PollableChannel, "A PollableChannel is required to receive messages");
 
 		long timeout = this.receiveTimeout;
@@ -208,7 +208,7 @@ public class GenericMessagingTemplate extends AbstractDestinationResolvingMessag
 					}
 				}
 			}
-			catch (InterruptedException e) {
+			catch (InterruptedException ex) {
 				Thread.currentThread().interrupt();
 			}
 			return this.replyMessage;

spring-messaging/src/main/java/org/springframework/messaging/simp/user/MultiServerUserRegistry.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.
@@ -61,10 +61,10 @@ public class MultiServerUserRegistry implements SimpUserRegistry, SmartApplicati
 	 */
 	public MultiServerUserRegistry(SimpUserRegistry localRegistry) {
 		Assert.notNull(localRegistry, "'localRegistry' is required.");
+		this.id = generateId();
 		this.localRegistry = localRegistry;
 		this.listener = (this.localRegistry instanceof SmartApplicationListener ?
 				(SmartApplicationListener) this.localRegistry : new NoOpSmartApplicationListener());
-		this.id = generateId();
 	}
 
 
@@ -73,7 +73,7 @@ public class MultiServerUserRegistry implements SimpUserRegistry, SmartApplicati
 		try {
 			host = InetAddress.getLocalHost().getHostAddress();
 		}
-		catch (UnknownHostException e) {
+		catch (UnknownHostException ex) {
 			host = "unknown";
 		}
 		return host + "-" + UUID.randomUUID();
@@ -160,11 +160,10 @@ public class MultiServerUserRegistry implements SimpUserRegistry, SmartApplicati
 
 	@Override
 	public String toString() {
-		return "local=[" + this.localRegistry +	"], remote=" + this.remoteRegistries + "]";
+		return "local=[" + this.localRegistry +	"], remote=" + this.remoteRegistries;
 	}
 
 
-	@SuppressWarnings("unused")
 	private static class UserRegistryDto {
 
 		private String id;
@@ -173,6 +172,10 @@ public class MultiServerUserRegistry implements SimpUserRegistry, SmartApplicati
 
 		private long expirationTime;
 
+		/**
+		 * Default constructor for JSON deserialization.
+		 */
+		@SuppressWarnings("unused")
 		public UserRegistryDto() {
 		}
 
@@ -235,13 +238,16 @@ public class MultiServerUserRegistry implements SimpUserRegistry, SmartApplicati
 	}
 
 
-	@SuppressWarnings("unused")
 	private static class SimpUserDto implements SimpUser {
 
 		private String name;
 
 		private Set<SimpSessionDto> sessions;
 
+		/**
+		 * Default constructor for JSON deserialization.
+		 */
+		@SuppressWarnings("unused")
 		public SimpUserDto() {
 			this.sessions = new HashSet<SimpSessionDto>(1);
 		}
@@ -312,7 +318,6 @@ public class MultiServerUserRegistry implements SimpUserRegistry, SmartApplicati
 	}
 
 
-	@SuppressWarnings("unused")
 	private static class SimpSessionDto implements SimpSession {
 
 		private String id;
@@ -321,6 +326,10 @@ public class MultiServerUserRegistry implements SimpUserRegistry, SmartApplicati
 
 		private final Set<SimpSubscriptionDto> subscriptions;
 
+		/**
+		 * Default constructor for JSON deserialization.
+		 */
+		@SuppressWarnings("unused")
 		public SimpSessionDto() {
 			this.subscriptions = new HashSet<SimpSubscriptionDto>(4);
 		}
@@ -384,7 +393,6 @@ public class MultiServerUserRegistry implements SimpUserRegistry, SmartApplicati
 	}
 
 
-	@SuppressWarnings("unused")
 	private static class SimpSubscriptionDto implements SimpSubscription {
 
 		private String id;
@@ -393,6 +401,10 @@ public class MultiServerUserRegistry implements SimpUserRegistry, SmartApplicati
 
 		private String destination;
 
+		/**
+		 * Default constructor for JSON deserialization.
+		 */
+		@SuppressWarnings("unused")
 		public SimpSubscriptionDto() {
 		}
 

spring-oxm/src/main/java/org/springframework/oxm/jaxb/Jaxb2Marshaller.java

@@ -940,7 +940,7 @@ public class Jaxb2Marshaller implements MimeMarshaller, MimeUnmarshaller, Generi
 			try {
 				contentId = URLEncoder.encode(contentId, "UTF-8");
 			}
-			catch (UnsupportedEncodingException e) {
+			catch (UnsupportedEncodingException ex) {
 				// ignore
 			}
 			return CID + contentId;
@@ -951,7 +951,7 @@ public class Jaxb2Marshaller implements MimeMarshaller, MimeUnmarshaller, Generi
 				URI uri = new URI(elementNamespace);
 				return uri.getHost();
 			}
-			catch (URISyntaxException e) {
+			catch (URISyntaxException ex) {
 				// ignore
 			}
 			return dataHandler.getName();
@@ -997,7 +997,7 @@ public class Jaxb2Marshaller implements MimeMarshaller, MimeUnmarshaller, Generi
 				try {
 					contentId = URLDecoder.decode(contentId, "UTF-8");
 				}
-				catch (UnsupportedEncodingException e) {
+				catch (UnsupportedEncodingException ex) {
 					// ignore
 				}
 				contentId = '<' + contentId + '>';

spring-test/src/main/java/org/springframework/mock/web/MockAsyncContext.java

@@ -112,8 +112,8 @@ public class MockAsyncContext implements AsyncContext {
 			try {
 				listener.onComplete(new AsyncEvent(this, this.request, this.response));
 			}
-			catch (IOException e) {
-				throw new IllegalStateException("AsyncListener failure", e);
+			catch (IOException ex) {
+				throw new IllegalStateException("AsyncListener failure", ex);
 			}
 		}
 	}

spring-test/src/main/java/org/springframework/test/annotation/ProfileValueUtils.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.
@@ -26,8 +26,6 @@ import org.springframework.util.Assert;
 import org.springframework.util.ObjectUtils;
 import org.springframework.util.StringUtils;
 
-import static org.springframework.core.annotation.AnnotationUtils.*;
-
 /**
  * General utility methods for working with <em>profile values</em>.
  *
@@ -49,12 +47,10 @@ public abstract class ProfileValueUtils {
 	 * {@link ProfileValueSourceConfiguration
 	 * &#064;ProfileValueSourceConfiguration} annotation and instantiates a new
 	 * instance of that type.
-	 * <p>
-	 * If {@link ProfileValueSourceConfiguration
+	 * <p>If {@link ProfileValueSourceConfiguration
 	 * &#064;ProfileValueSourceConfiguration} is not present on the specified
 	 * class or if a custom {@link ProfileValueSource} is not declared, the
 	 * default {@link SystemProfileValueSource} will be returned instead.
-	 *
 	 * @param testClass The test class for which the ProfileValueSource should
 	 * be retrieved
 	 * @return the configured (or default) ProfileValueSource for the specified
@@ -66,10 +62,10 @@ public abstract class ProfileValueUtils {
 		Assert.notNull(testClass, "testClass must not be null");
 
 		Class<ProfileValueSourceConfiguration> annotationType = ProfileValueSourceConfiguration.class;
-		ProfileValueSourceConfiguration config = findAnnotation(testClass, annotationType);
+		ProfileValueSourceConfiguration config = AnnotationUtils.findAnnotation(testClass, annotationType);
 		if (logger.isDebugEnabled()) {
-			logger.debug("Retrieved @ProfileValueSourceConfiguration [" + config + "] for test class ["
-					+ testClass.getName() + "]");
+			logger.debug("Retrieved @ProfileValueSourceConfiguration [" + config + "] for test class [" +
+					testClass.getName() + "]");
 		}
 
 		Class<? extends ProfileValueSource> profileValueSourceType;
@@ -80,8 +76,8 @@ public abstract class ProfileValueUtils {
 			profileValueSourceType = (Class<? extends ProfileValueSource>) AnnotationUtils.getDefaultValue(annotationType);
 		}
 		if (logger.isDebugEnabled()) {
-			logger.debug("Retrieved ProfileValueSource type [" + profileValueSourceType + "] for class ["
-					+ testClass.getName() + "]");
+			logger.debug("Retrieved ProfileValueSource type [" + profileValueSourceType + "] for class [" +
+					testClass.getName() + "]");
 		}
 
 		ProfileValueSource profileValueSource;
@@ -92,10 +88,10 @@ public abstract class ProfileValueUtils {
 			try {
 				profileValueSource = profileValueSourceType.newInstance();
 			}
-			catch (Exception e) {
+			catch (Exception ex) {
 				if (logger.isWarnEnabled()) {
-					logger.warn("Could not instantiate a ProfileValueSource of type [" + profileValueSourceType
-							+ "] for class [" + testClass.getName() + "]: using default.", e);
+					logger.warn("Could not instantiate a ProfileValueSource of type [" + profileValueSourceType +
+							"] for class [" + testClass.getName() + "]: using default.", ex);
 				}
 				profileValueSource = SystemProfileValueSource.getInstance();
 			}
@@ -108,16 +104,14 @@ public abstract class ProfileValueUtils {
 	 * Determine if the supplied {@code testClass} is <em>enabled</em> in
 	 * the current environment, as specified by the {@link IfProfileValue
 	 * &#064;IfProfileValue} annotation at the class level.
-	 * <p>
-	 * Defaults to {@code true} if no {@link IfProfileValue
+	 * <p>Defaults to {@code true} if no {@link IfProfileValue
 	 * &#064;IfProfileValue} annotation is declared.
-	 *
 	 * @param testClass the test class
 	 * @return {@code true} if the test is <em>enabled</em> in the current
 	 * environment
 	 */
 	public static boolean isTestEnabledInThisEnvironment(Class<?> testClass) {
-		IfProfileValue ifProfileValue = findAnnotation(testClass, IfProfileValue.class);
+		IfProfileValue ifProfileValue = AnnotationUtils.findAnnotation(testClass, IfProfileValue.class);
 		return isTestEnabledInThisEnvironment(retrieveProfileValueSource(testClass), ifProfileValue);
 	}
 
@@ -127,10 +121,8 @@ public abstract class ProfileValueUtils {
 	 * &#064;IfProfileValue} annotation, which may be declared on the test
 	 * method itself or at the class level. Class-level usage overrides
 	 * method-level usage.
-	 * <p>
-	 * Defaults to {@code true} if no {@link IfProfileValue
+	 * <p>Defaults to {@code true} if no {@link IfProfileValue
 	 * &#064;IfProfileValue} annotation is declared.
-	 *
 	 * @param testMethod the test method
 	 * @param testClass the test class
 	 * @return {@code true} if the test is <em>enabled</em> in the current
@@ -146,10 +138,8 @@ public abstract class ProfileValueUtils {
 	 * &#064;IfProfileValue} annotation, which may be declared on the test
 	 * method itself or at the class level. Class-level usage overrides
 	 * method-level usage.
-	 * <p>
-	 * Defaults to {@code true} if no {@link IfProfileValue
+	 * <p>Defaults to {@code true} if no {@link IfProfileValue
 	 * &#064;IfProfileValue} annotation is declared.
-	 *
 	 * @param profileValueSource the ProfileValueSource to use to determine if
 	 * the test is enabled
 	 * @param testMethod the test method
@@ -160,11 +150,11 @@ public abstract class ProfileValueUtils {
 	public static boolean isTestEnabledInThisEnvironment(ProfileValueSource profileValueSource, Method testMethod,
 			Class<?> testClass) {
 
-		IfProfileValue ifProfileValue = findAnnotation(testClass, IfProfileValue.class);
+		IfProfileValue ifProfileValue = AnnotationUtils.findAnnotation(testClass, IfProfileValue.class);
 		boolean classLevelEnabled = isTestEnabledInThisEnvironment(profileValueSource, ifProfileValue);
 
 		if (classLevelEnabled) {
-			ifProfileValue = findAnnotation(testMethod, IfProfileValue.class);
+			ifProfileValue = AnnotationUtils.findAnnotation(testMethod, IfProfileValue.class);
 			return isTestEnabledInThisEnvironment(profileValueSource, ifProfileValue);
 		}
 
@@ -175,7 +165,6 @@ public abstract class ProfileValueUtils {
 	 * Determine if the {@code value} (or one of the {@code values})
 	 * in the supplied {@link IfProfileValue &#064;IfProfileValue} annotation is
 	 * <em>enabled</em> in the current environment.
-	 *
 	 * @param profileValueSource the ProfileValueSource to use to determine if
 	 * the test is enabled
 	 * @param ifProfileValue the annotation to introspect; may be
@@ -195,8 +184,8 @@ public abstract class ProfileValueUtils {
 		String[] annotatedValues = ifProfileValue.values();
 		if (StringUtils.hasLength(ifProfileValue.value())) {
 			if (annotatedValues.length > 0) {
-				throw new IllegalArgumentException("Setting both the 'value' and 'values' attributes "
-						+ "of @IfProfileValue is not allowed: choose one or the other.");
+				throw new IllegalArgumentException("Setting both the 'value' and 'values' attributes " +
+						"of @IfProfileValue is not allowed: choose one or the other.");
 			}
 			annotatedValues = new String[] { ifProfileValue.value() };
 		}

spring-test/src/main/java/org/springframework/test/context/jdbc/SqlScriptsTestExecutionListener.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.
@@ -19,7 +19,6 @@ package org.springframework.test.context.jdbc;
 import java.lang.reflect.Method;
 import java.util.List;
 import java.util.Set;
-
 import javax.sql.DataSource;
 
 import org.apache.commons.logging.Log;
@@ -147,17 +146,13 @@ public class SqlScriptsTestExecutionListener extends AbstractTestExecutionListen
 	/**
 	 * Execute the SQL scripts configured via the supplied {@link Sql @Sql}
 	 * annotation for the given {@link ExecutionPhase} and {@link TestContext}.
-	 *
 	 * <p>Special care must be taken in order to properly support the configured
 	 * {@link SqlConfig#transactionMode}.
-	 *
 	 * @param sql the {@code @Sql} annotation to parse
 	 * @param executionPhase the current execution phase
 	 * @param testContext the current {@code TestContext}
-	 * @param classLevel {@code true} if {@link Sql @Sql} was declared at the
-	 * class level
+	 * @param classLevel {@code true} if {@link Sql @Sql} was declared at the class level
 	 */
-	@SuppressWarnings("serial")
 	private void executeSqlScripts(Sql sql, ExecutionPhase executionPhase, TestContext testContext, boolean classLevel)
 			throws Exception {
 		if (executionPhase != sql.executionPhase()) {
@@ -222,10 +217,10 @@ public class SqlScriptsTestExecutionListener extends AbstractTestExecutionListen
 			DataSource dataSourceFromTxMgr = getDataSourceFromTransactionManager(transactionManager);
 
 			// Ensure user configured an appropriate DataSource/TransactionManager pair.
-			if ((dataSource != null) && (dataSourceFromTxMgr != null) && !dataSource.equals(dataSourceFromTxMgr)) {
-				throw new IllegalStateException(String.format("Failed to execute SQL scripts for test context %s: "
-						+ "the configured DataSource [%s] (named '%s') is not the one associated "
-						+ "with transaction manager [%s] (named '%s').", testContext, dataSource.getClass().getName(),
+			if (dataSource != null && dataSourceFromTxMgr != null && !dataSource.equals(dataSourceFromTxMgr)) {
+				throw new IllegalStateException(String.format("Failed to execute SQL scripts for test context %s: " +
+						"the configured DataSource [%s] (named '%s') is not the one associated with " +
+						"transaction manager [%s] (named '%s').", testContext, dataSource.getClass().getName(),
 					dsName, transactionManager.getClass().getName(), tmName));
 			}
 
@@ -239,8 +234,8 @@ public class SqlScriptsTestExecutionListener extends AbstractTestExecutionListen
 			}
 
 			final DataSource finalDataSource = dataSource;
-			int propagation = newTxRequired ? TransactionDefinition.PROPAGATION_REQUIRES_NEW
-					: TransactionDefinition.PROPAGATION_REQUIRED;
+			int propagation = (newTxRequired ? TransactionDefinition.PROPAGATION_REQUIRES_NEW :
+					TransactionDefinition.PROPAGATION_REQUIRED);
 
 			TransactionAttribute transactionAttribute = TestContextTransactionUtils.createDelegatingTransactionAttribute(
 				testContext, new DefaultTransactionAttribute(propagation));
@@ -263,8 +258,8 @@ public class SqlScriptsTestExecutionListener extends AbstractTestExecutionListen
 				return (DataSource) obj;
 			}
 		}
-		catch (Exception e) {
-			/* ignore */
+		catch (Exception ex) {
+			// ignore
 		}
 		return null;
 	}
@@ -304,9 +299,9 @@ public class SqlScriptsTestExecutionListener extends AbstractTestExecutionListen
 			return prefixedResourcePath;
 		}
 		else {
-			String msg = String.format("Could not detect default SQL script for test %s [%s]: "
-					+ "%s does not exist. Either declare statements or scripts via @Sql or make the "
-					+ "default SQL script available.", elementType, elementName, classPathResource);
+			String msg = String.format("Could not detect default SQL script for test %s [%s]: " +
+					"%s does not exist. Either declare statements or scripts via @Sql or make the " +
+					"default SQL script available.", elementType, elementName, classPathResource);
 			logger.error(msg);
 			throw new IllegalStateException(msg);
 		}

spring-test/src/main/java/org/springframework/test/context/support/ActiveProfilesUtils.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.
@@ -52,18 +52,12 @@ abstract class ActiveProfilesUtils {
 	private static final Log logger = LogFactory.getLog(ActiveProfilesUtils.class);
 
 
-	private ActiveProfilesUtils() {
-		/* no-op */
-	}
-
 	/**
 	 * Resolve <em>active bean definition profiles</em> for the supplied {@link Class}.
-	 *
 	 * <p>Note that the {@link ActiveProfiles#inheritProfiles inheritProfiles} flag of
 	 * {@link ActiveProfiles @ActiveProfiles} will be taken into consideration.
 	 * Specifically, if the {@code inheritProfiles} flag is set to {@code true}, profiles
 	 * defined in the test class will be merged with those defined in superclasses.
-	 *
 	 * @param testClass the class for which to resolve the active profiles (must not be
 	 * {@code null})
 	 * @return the set of active profiles for the specified class, including active
@@ -78,12 +72,12 @@ abstract class ActiveProfilesUtils {
 		final List<String[]> profileArrays = new ArrayList<String[]>();
 
 		Class<ActiveProfiles> annotationType = ActiveProfiles.class;
-		AnnotationDescriptor<ActiveProfiles> descriptor = MetaAnnotationUtils.findAnnotationDescriptor(testClass,
-			annotationType);
+		AnnotationDescriptor<ActiveProfiles> descriptor =
+				MetaAnnotationUtils.findAnnotationDescriptor(testClass, annotationType);
 		if (descriptor == null && logger.isDebugEnabled()) {
 			logger.debug(String.format(
-				"Could not find an 'annotation declaring class' for annotation type [%s] and class [%s]",
-				annotationType.getName(), testClass.getName()));
+					"Could not find an 'annotation declaring class' for annotation type [%s] and class [%s]",
+					annotationType.getName(), testClass.getName()));
 		}
 
 		while (descriptor != null) {
@@ -92,8 +86,8 @@ abstract class ActiveProfilesUtils {
 			ActiveProfiles annotation = descriptor.synthesizeAnnotation();
 
 			if (logger.isTraceEnabled()) {
-				logger.trace(String.format("Retrieved @ActiveProfiles [%s] for declaring class [%s].", annotation,
-					declaringClass.getName()));
+				logger.trace(String.format("Retrieved @ActiveProfiles [%s] for declaring class [%s]",
+						annotation, declaringClass.getName()));
 			}
 
 			Class<? extends ActiveProfilesResolver> resolverClass = annotation.resolver();
@@ -101,22 +95,22 @@ abstract class ActiveProfilesUtils {
 				resolverClass = DefaultActiveProfilesResolver.class;
 			}
 
-			ActiveProfilesResolver resolver = null;
+			ActiveProfilesResolver resolver;
 			try {
 				resolver = BeanUtils.instantiateClass(resolverClass, ActiveProfilesResolver.class);
 			}
-			catch (Exception e) {
-				String msg = String.format("Could not instantiate ActiveProfilesResolver of "
-						+ "type [%s] for test class [%s].", resolverClass.getName(), rootDeclaringClass.getName());
+			catch (Exception ex) {
+				String msg = String.format("Could not instantiate ActiveProfilesResolver of type [%s] " +
+						"for test class [%s]", resolverClass.getName(), rootDeclaringClass.getName());
 				logger.error(msg);
-				throw new IllegalStateException(msg, e);
+				throw new IllegalStateException(msg, ex);
 			}
 
 			String[] profiles = resolver.resolve(rootDeclaringClass);
 			if (profiles == null) {
 				String msg = String.format(
-					"ActiveProfilesResolver [%s] returned a null array of bean definition profiles.",
-					resolverClass.getName());
+						"ActiveProfilesResolver [%s] returned a null array of bean definition profiles",
+						resolverClass.getName());
 				logger.error(msg);
 				throw new IllegalStateException(msg);
 			}
@@ -124,7 +118,7 @@ abstract class ActiveProfilesUtils {
 			profileArrays.add(profiles);
 
 			descriptor = (annotation.inheritProfiles() ? MetaAnnotationUtils.findAnnotationDescriptor(
-				rootDeclaringClass.getSuperclass(), annotationType) : null);
+					rootDeclaringClass.getSuperclass(), annotationType) : null);
 		}
 
 		// Reverse the list so that we can traverse "down" the hierarchy.

spring-test/src/main/java/org/springframework/test/util/AopTestUtils.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.
@@ -32,6 +32,7 @@ import org.springframework.util.Assert;
  * @since 4.2
  * @see org.springframework.aop.support.AopUtils
  * @see org.springframework.aop.framework.AopProxyUtils
+ * @see ReflectionTestUtils
  */
 public class AopTestUtils {
 
@@ -41,7 +42,6 @@ public class AopTestUtils {
 	 * {@linkplain AopUtils#isAopProxy proxy}, the target of the proxy will
 	 * be returned; otherwise, the {@code candidate} will be returned
 	 * <em>as is</em>.
-	 *
 	 * @param candidate the instance to check (potentially a Spring AOP proxy);
 	 * never {@code null}
 	 * @return the target object or the {@code candidate}; never {@code null}
@@ -57,8 +57,8 @@ public class AopTestUtils {
 				return (T) ((Advised) candidate).getTargetSource().getTarget();
 			}
 		}
-		catch (Exception e) {
-			throw new IllegalStateException("Failed to unwrap proxied object.", e);
+		catch (Exception ex) {
+			throw new IllegalStateException("Failed to unwrap proxied object", ex);
 		}
 		return (T) candidate;
 	}
@@ -71,7 +71,6 @@ public class AopTestUtils {
 	 * {@linkplain AopUtils#isAopProxy proxy}, the ultimate target of all
 	 * nested proxies will be returned; otherwise, the {@code candidate}
 	 * will be returned <em>as is</em>.
-	 *
 	 * @param candidate the instance to check (potentially a Spring AOP proxy);
 	 * never {@code null}
 	 * @return the ultimate target object or the {@code candidate}; never
@@ -88,8 +87,8 @@ public class AopTestUtils {
 				return (T) getUltimateTargetObject(((Advised) candidate).getTargetSource().getTarget());
 			}
 		}
-		catch (Exception e) {
-			throw new IllegalStateException("Failed to unwrap proxied object.", e);
+		catch (Exception ex) {
+			throw new IllegalStateException("Failed to unwrap proxied object", ex);
 		}
 		return (T) candidate;
 	}

spring-test/src/main/java/org/springframework/test/web/client/match/XpathRequestMatchers.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.test.web.client.match;
 
 import java.io.IOException;
@@ -192,8 +193,8 @@ public class XpathRequestMatchers {
 				MockClientHttpRequest mockRequest = (MockClientHttpRequest) request;
 				matchInternal(mockRequest);
 			}
-			catch (Exception e) {
-				throw new AssertionError("Failed to parse XML request content: " + e.getMessage());
+			catch (Exception ex) {
+				throw new AssertionError("Failed to parse XML request content: " + ex.getMessage());
 			}
 		}
 

spring-test/src/main/java/org/springframework/test/web/servlet/htmlunit/MockWebResponseBuilder.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.

spring-test/src/main/java/org/springframework/test/web/servlet/request/MockHttpServletRequestBuilder.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.
@@ -133,8 +133,8 @@ public class MockHttpServletRequestBuilder
 	 * @since 4.0.3
 	 */
 	MockHttpServletRequestBuilder(HttpMethod httpMethod, URI url) {
-		Assert.notNull(httpMethod, "httpMethod is required");
-		Assert.notNull(url, "url is required");
+		Assert.notNull(httpMethod, "'httpMethod' is required");
+		Assert.notNull(url, "'url' is required");
 		this.method = httpMethod;
 		this.url = url;
 	}
@@ -224,7 +224,7 @@ public class MockHttpServletRequestBuilder
 	 * @param mediaTypes one or more media types
 	 */
 	public MockHttpServletRequestBuilder accept(MediaType... mediaTypes) {
-		Assert.notEmpty(mediaTypes, "No 'Accept' media types");
+		Assert.notEmpty(mediaTypes, "'mediaTypes' must not be empty");
 		this.headers.set("Accept", MediaType.toString(Arrays.asList(mediaTypes)));
 		return this;
 	}
@@ -234,7 +234,7 @@ public class MockHttpServletRequestBuilder
 	 * @param mediaTypes one or more media types
 	 */
 	public MockHttpServletRequestBuilder accept(String... mediaTypes) {
-		Assert.notEmpty(mediaTypes, "No 'Accept' media types");
+		Assert.notEmpty(mediaTypes, "'mediaTypes' must not be empty");
 		List<MediaType> result = new ArrayList<MediaType>(mediaTypes.length);
 		for (String mediaType : mediaTypes) {
 			result.add(MediaType.parseMediaType(mediaType));
@@ -260,7 +260,7 @@ public class MockHttpServletRequestBuilder
 		try {
 			this.content = content.getBytes("UTF-8");
 		}
-		catch (UnsupportedEncodingException e) {
+		catch (UnsupportedEncodingException ex) {
 			// should never happen
 		}
 		return this;
@@ -271,7 +271,6 @@ public class MockHttpServletRequestBuilder
 	 * @param cookies the cookies to add
 	 */
 	public MockHttpServletRequestBuilder cookie(Cookie... cookies) {
-		Assert.notNull(cookies, "'cookies' must not be null");
 		Assert.notEmpty(cookies, "'cookies' must not be empty");
 		this.cookies.addAll(Arrays.asList(cookies));
 		return this;
@@ -320,7 +319,7 @@ public class MockHttpServletRequestBuilder
 	 * @param sessionAttributes the session attributes
 	 */
 	public MockHttpServletRequestBuilder sessionAttrs(Map<String, Object> sessionAttributes) {
-		Assert.notEmpty(sessionAttributes, "'sessionAttrs' must not be empty");
+		Assert.notEmpty(sessionAttributes, "'sessionAttributes' must not be empty");
 		for (String name : sessionAttributes.keySet()) {
 			sessionAttr(name, sessionAttributes.get(name));
 		}
@@ -342,7 +341,7 @@ public class MockHttpServletRequestBuilder
 	 * @param flashAttributes the flash attributes
 	 */
 	public MockHttpServletRequestBuilder flashAttrs(Map<String, Object> flashAttributes) {
-		Assert.notEmpty(flashAttributes, "'flashAttrs' must not be empty");
+		Assert.notEmpty(flashAttributes, "'flashAttributes' must not be empty");
 		for (String name : flashAttributes.keySet()) {
 			flashAttr(name, flashAttributes.get(name));
 		}

spring-web/src/main/java/org/springframework/http/HttpRange.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.

spring-web/src/main/java/org/springframework/http/client/SimpleClientHttpResponse.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.

spring-web/src/main/java/org/springframework/web/context/request/ServletWebRequest.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.
@@ -250,7 +250,8 @@ public class ServletWebRequest extends ServletRequestAttributes implements Nativ
 				return true;
 			}
 			return HttpStatus.valueOf(response.getStatus()).is2xxSuccessful();
-		} catch (IllegalArgumentException e) {
+		}
+		catch (IllegalArgumentException ex) {
 			return true;
 		}
 	}

spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/ResourceHandlerRegistry.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.
@@ -46,40 +46,47 @@ import org.springframework.web.servlet.resource.ResourceHttpRequestHandler;
  *
  * @author Rossen Stoyanchev
  * @since 3.1
- *
  * @see DefaultServletHandlerConfigurer
  */
 public class ResourceHandlerRegistry {
 
 	private final ServletContext servletContext;
 
-	private final ApplicationContext appContext;
+	private final ApplicationContext applicationContext;
 
 	private final List<ResourceHandlerRegistration> registrations = new ArrayList<ResourceHandlerRegistration>();
 
 	private int order = Integer.MAX_VALUE -1;
 
 
+	/**
+	 * Create a new resource handler registry for the given application context.
+	 * @param applicationContext the Spring application context
+	 * @param servletContext the corresponding Servlet context
+	 */
 	public ResourceHandlerRegistry(ApplicationContext applicationContext, ServletContext servletContext) {
 		Assert.notNull(applicationContext, "ApplicationContext is required");
-		this.appContext = applicationContext;
+		this.applicationContext = applicationContext;
 		this.servletContext = servletContext;
 	}
 
 
 	/**
-	 * Add a resource handler for serving static resources based on the specified URL path patterns.
-	 * The handler will be invoked for every incoming request that matches to one of the specified path patterns.
-	 * @return A {@link ResourceHandlerRegistration} to use to further configure the registered resource handler.
+	 * Add a resource handler for serving static resources based on the specified URL path
+	 * patterns. The handler will be invoked for every incoming request that matches to
+	 * one of the specified path patterns.
+	 * @return A {@link ResourceHandlerRegistration} to use to further configure the
+	 * registered resource handler
 	 */
 	public ResourceHandlerRegistration addResourceHandler(String... pathPatterns) {
-		ResourceHandlerRegistration registration = new ResourceHandlerRegistration(this.appContext, pathPatterns);
+		ResourceHandlerRegistration registration =
+				new ResourceHandlerRegistration(this.applicationContext, pathPatterns);
 		this.registrations.add(registration);
 		return registration;
 	}
 
 	/**
-	 * Whether a resource handler has already been registered for the given pathPattern.
+	 * Whether a resource handler has already been registered for the given path pattern.
 	 */
 	public boolean hasMappingForPattern(String pathPattern) {
 		for (ResourceHandlerRegistration registration : this.registrations) {
@@ -91,8 +98,9 @@ public class ResourceHandlerRegistry {
 	}
 
 	/**
-	 * Specify the order to use for resource handling relative to other {@link HandlerMapping}s configured in
-	 * the Spring MVC application context. The default value used is {@code Integer.MAX_VALUE-1}.
+	 * Specify the order to use for resource handling relative to other {@link HandlerMapping}s
+	 * configured in the Spring MVC application context.
+	 * <p>The default value used is {@code Integer.MAX_VALUE-1}.
 	 */
 	public ResourceHandlerRegistry setOrder(int order) {
 		this.order = order;
@@ -100,10 +108,11 @@ public class ResourceHandlerRegistry {
 	}
 
 	/**
-	 * Return a handler mapping with the mapped resource handlers; or {@code null} in case of no registrations.
+	 * Return a handler mapping with the mapped resource handlers; or {@code null} in case
+	 * of no registrations.
 	 */
 	protected AbstractHandlerMapping getHandlerMapping() {
-		if (registrations.isEmpty()) {
+		if (this.registrations.isEmpty()) {
 			return null;
 		}
 
@@ -112,12 +121,12 @@ public class ResourceHandlerRegistry {
 			for (String pathPattern : registration.getPathPatterns()) {
 				ResourceHttpRequestHandler handler = registration.getRequestHandler();
 				handler.setServletContext(this.servletContext);
-				handler.setApplicationContext(this.appContext);
+				handler.setApplicationContext(this.applicationContext);
 				try {
 					handler.afterPropertiesSet();
 				}
-				catch (Exception e) {
-					throw new BeanInitializationException("Failed to init ResourceHttpRequestHandler", e);
+				catch (Exception ex) {
+					throw new BeanInitializationException("Failed to init ResourceHttpRequestHandler", ex);
 				}
 				urlMap.put(pathPattern, handler);
 			}

spring-webmvc/src/main/java/org/springframework/web/servlet/tags/UrlTag.java

@@ -181,8 +181,8 @@ public class UrlTag extends HtmlEscapingAwareTag implements ParamAware {
 			try {
 				pageContext.getOut().print(url);
 			}
-			catch (IOException e) {
-				throw new JspException(e);
+			catch (IOException ex) {
+				throw new JspException(ex);
 			}
 		}
 		else {

spring-webmvc/src/main/java/org/springframework/web/servlet/tags/form/AbstractHtmlElementBodyTag.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.
@@ -25,8 +25,8 @@ import org.springframework.util.StringUtils;
 
 /**
  * Convenient super class for many html tags that render content using the databinding
- * features of the {@link AbstractHtmlElementTag AbstractHtmlElementTag}. The only thing sub tags
- * need to do is override {@link #renderDefaultContent(TagWriter)}.
+ * features of the {@link AbstractHtmlElementTag AbstractHtmlElementTag}. The only thing
+ * sub-tags need to do is override {@link #renderDefaultContent(TagWriter)}.
  *
  * @author Rob Harrop
  * @author Juergen Hoeller
@@ -136,8 +136,8 @@ public abstract class AbstractHtmlElementBodyTag extends AbstractHtmlElementTag
 		try {
 			bodyContent.writeOut(bodyContent.getEnclosingWriter());
 		}
-		catch (IOException e) {
-			throw new JspException("Unable to write buffered body content.", e);
+		catch (IOException ex) {
+			throw new JspException("Unable to write buffered body content.", ex);
 		}
 	}
 

spring-webmvc/src/main/java/org/springframework/web/servlet/view/tiles3/SpringLocaleResolver.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.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.web.servlet.view.tiles3;
 
 import java.util.Locale;
@@ -46,8 +47,8 @@ public class SpringLocaleResolver extends DefaultLocaleResolver {
 				return RequestContextUtils.getLocale(servletRequest);
 			}
 		}
-		catch (NotAServletEnvironmentException e) {
-			// Ignore
+		catch (NotAServletEnvironmentException ex) {
+			// ignore
 		}
 		return super.resolveLocale(request);
 	}

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

@@ -117,8 +117,8 @@ public class JettyWebSocketClient extends AbstractWebSocketClient implements Lif
 					}
 					this.client.start();
 				}
-				catch (Exception e) {
-					throw new IllegalStateException("Failed to start Jetty client", e);
+				catch (Exception ex) {
+					throw new IllegalStateException("Failed to start Jetty client", ex);
 				}
 			}
 		}
@@ -134,8 +134,8 @@ public class JettyWebSocketClient extends AbstractWebSocketClient implements Lif
 					}
 					this.client.stop();
 				}
-				catch (Exception e) {
-					logger.error("Error stopping Jetty WebSocketClient", e);
+				catch (Exception ex) {
+					logger.error("Error stopping Jetty WebSocketClient", ex);
 				}
 			}
 		}

spring-websocket/src/main/java/org/springframework/web/socket/handler/BinaryWebSocketHandler.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.
@@ -24,9 +24,11 @@ import org.springframework.web.socket.WebSocketHandler;
 import org.springframework.web.socket.WebSocketSession;
 
 /**
- * A convenient base class for {@link WebSocketHandler} implementation that process binary
- * messages only. Text messages are rejected with {@link CloseStatus#NOT_ACCEPTABLE}. All
- * other methods have empty implementations.
+ * A convenient base class for {@link WebSocketHandler} implementations
+ * that process binary messages only.
+ *
+ * <p>Text messages are rejected with {@link CloseStatus#NOT_ACCEPTABLE}.
+ * All other methods have empty implementations.
  *
  * @author Rossen Stoyanchev
  * @author Phillip Webb
@@ -39,7 +41,7 @@ public class BinaryWebSocketHandler extends AbstractWebSocketHandler {
 		try {
 			session.close(CloseStatus.NOT_ACCEPTABLE.withReason("Text messages not supported"));
 		}
-		catch (IOException e) {
+		catch (IOException ex) {
 			// ignore
 		}
 	}

spring-websocket/src/main/java/org/springframework/web/socket/handler/TextWebSocketHandler.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.
@@ -24,9 +24,11 @@ import org.springframework.web.socket.WebSocketHandler;
 import org.springframework.web.socket.WebSocketSession;
 
 /**
- * A convenient base class for {@link WebSocketHandler} implementation that process text
- * messages only. Binary messages are rejected with {@link CloseStatus#NOT_ACCEPTABLE}. All
- * other methods have empty implementations.
+ * A convenient base class for {@link WebSocketHandler} implementations
+ * that process text messages only.
+ *
+ * <p>Binary messages are rejected with {@link CloseStatus#NOT_ACCEPTABLE}.
+ * All other methods have empty implementations.
  *
  * @author Rossen Stoyanchev
  * @author Phillip Webb

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

@@ -82,8 +82,8 @@ public class JettyXhrTransport extends AbstractXhrTransport implements Lifecycle
 				this.httpClient.start();
 			}
 		}
-		catch (Exception e) {
-			throw new SockJsException("Failed to start " + this, e);
+		catch (Exception ex) {
+			throw new SockJsException("Failed to start " + this, ex);
 		}
 	}
 
@@ -94,8 +94,8 @@ public class JettyXhrTransport extends AbstractXhrTransport implements Lifecycle
 				this.httpClient.stop();
 			}
 		}
-		catch (Exception e) {
-			throw new SockJsException("Failed to stop " + this, e);
+		catch (Exception ex) {
+			throw new SockJsException("Failed to stop " + this, ex);
 		}
 	}
 
@@ -154,6 +154,7 @@ public class JettyXhrTransport extends AbstractXhrTransport implements Lifecycle
 			new ResponseEntity<String>(responseHeaders, status));
 	}
 
+
 	private static void addHttpHeaders(Request request, HttpHeaders headers) {
 		for (String name : headers.keySet()) {
 			for (String value : headers.get(name)) {
@@ -194,7 +195,6 @@ public class JettyXhrTransport extends AbstractXhrTransport implements Lifecycle
 
 		private final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
 
-
 		public SockJsResponseListener(URI url, HttpHeaders headers,	XhrClientSockJsSession sockJsSession,
 				SettableListenableFuture<WebSocketSession> connectFuture) {
 
@@ -204,7 +204,6 @@ public class JettyXhrTransport extends AbstractXhrTransport implements Lifecycle
 			this.sockJsSession = sockJsSession;
 		}
 
-
 		@Override
 		public void onBegin(Response response) {
 			if (response.getStatus() != 200) {