Merge branch '5.2.x'

# Conflicts:
#	spring-webflux/src/main/java/org/springframework/web/reactive/result/method/InvocableHandlerMethod.java

spring-messaging/src/main/java/org/springframework/messaging/handler/invocation/reactive/HandlerMethodReturnValueHandlerComposite.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -38,7 +38,6 @@ public class HandlerMethodReturnValueHandlerComposite implements HandlerMethodRe
 
 	protected final Log logger = LogFactory.getLog(getClass());
 
-
 	private final List<HandlerMethodReturnValueHandler> returnValueHandlers = new ArrayList<>();
 
 

spring-messaging/src/main/java/org/springframework/messaging/handler/invocation/reactive/InvocableHelper.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -46,7 +46,7 @@ import org.springframework.util.Assert;
  */
 class InvocableHelper {
 
-	private static Log logger = LogFactory.getLog(InvocableHelper.class);
+	private static final Log logger = LogFactory.getLog(InvocableHelper.class);
 
 
 	private final HandlerMethodArgumentResolverComposite argumentResolvers =

spring-web/src/main/java/org/springframework/web/method/support/InvocableHandlerMethod.java

@@ -49,13 +49,13 @@ public class InvocableHandlerMethod extends HandlerMethod {
 	private static final Object[] EMPTY_ARGS = new Object[0];
 
 
-	@Nullable
-	private WebDataBinderFactory dataBinderFactory;
-
 	private HandlerMethodArgumentResolverComposite resolvers = new HandlerMethodArgumentResolverComposite();
 
 	private ParameterNameDiscoverer parameterNameDiscoverer = new DefaultParameterNameDiscoverer();
 
+	@Nullable
+	private WebDataBinderFactory dataBinderFactory;
+
 
 	/**
 	 * Create an instance from a {@code HandlerMethod}.
@@ -86,16 +86,8 @@ public class InvocableHandlerMethod extends HandlerMethod {
 
 
 	/**
-	 * Set the {@link WebDataBinderFactory} to be passed to argument resolvers allowing them to create
-	 * a {@link WebDataBinder} for data binding and type conversion purposes.
-	 * @param dataBinderFactory the data binder factory.
-	 */
-	public void setDataBinderFactory(WebDataBinderFactory dataBinderFactory) {
-		this.dataBinderFactory = dataBinderFactory;
-	}
-
-	/**
-	 * Set {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers} to use to use for resolving method argument values.
+	 * Set {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}
+	 * to use for resolving method argument values.
 	 */
 	public void setHandlerMethodArgumentResolvers(HandlerMethodArgumentResolverComposite argumentResolvers) {
 		this.resolvers = argumentResolvers;
@@ -110,6 +102,14 @@ public class InvocableHandlerMethod extends HandlerMethod {
 		this.parameterNameDiscoverer = parameterNameDiscoverer;
 	}
 
+	/**
+	 * Set the {@link WebDataBinderFactory} to be passed to argument resolvers allowing them
+	 * to create a {@link WebDataBinder} for data binding and type conversion purposes.
+	 */
+	public void setDataBinderFactory(WebDataBinderFactory dataBinderFactory) {
+		this.dataBinderFactory = dataBinderFactory;
+	}
+
 
 	/**
 	 * Invoke the method after resolving its argument values in the context of the given request.

spring-webflux/src/main/java/org/springframework/web/reactive/result/condition/AbstractMediaTypeExpression.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -16,9 +16,6 @@
 
 package org.springframework.web.reactive.result.condition;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
 import org.springframework.http.MediaType;
 import org.springframework.lang.Nullable;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -35,8 +32,6 @@ import org.springframework.web.server.UnsupportedMediaTypeStatusException;
  */
 abstract class AbstractMediaTypeExpression implements Comparable<AbstractMediaTypeExpression>, MediaTypeExpression {
 
-	protected final Log logger = LogFactory.getLog(getClass());
-
 	private final MediaType mediaType;
 
 	private final boolean isNegated;

spring-webflux/src/main/java/org/springframework/web/reactive/result/method/HandlerMethodArgumentResolverComposite.java

@@ -22,8 +22,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import reactor.core.publisher.Mono;
 
 import org.springframework.core.MethodParameter;
@@ -41,8 +39,6 @@ import org.springframework.web.server.ServerWebExchange;
  */
 class HandlerMethodArgumentResolverComposite implements HandlerMethodArgumentResolver {
 
-	protected final Log logger = LogFactory.getLog(getClass());
-
 	private final List<HandlerMethodArgumentResolver> argumentResolvers = new ArrayList<>();
 
 	private final Map<MethodParameter, HandlerMethodArgumentResolver> argumentResolverCache =

spring-webflux/src/main/java/org/springframework/web/reactive/result/method/InvocableHandlerMethod.java

@@ -60,7 +60,7 @@ public class InvocableHandlerMethod extends HandlerMethod {
 	private static final Object NO_ARG_VALUE = new Object();
 
 
-	private HandlerMethodArgumentResolverComposite resolvers = new HandlerMethodArgumentResolverComposite();
+	private final HandlerMethodArgumentResolverComposite resolvers = new HandlerMethodArgumentResolverComposite();
 
 	private ParameterNameDiscoverer parameterNameDiscoverer = new DefaultParameterNameDiscoverer();
 

spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/condition/AbstractMediaTypeExpression.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -16,9 +16,6 @@
 
 package org.springframework.web.servlet.mvc.condition;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
 import org.springframework.http.MediaType;
 import org.springframework.lang.Nullable;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -33,8 +30,6 @@ import org.springframework.web.bind.annotation.RequestMapping;
  */
 abstract class AbstractMediaTypeExpression implements MediaTypeExpression, Comparable<AbstractMediaTypeExpression> {
 
-	protected final Log logger = LogFactory.getLog(getClass());
-
 	private final MediaType mediaType;
 
 	private final boolean isNegated;