Polishing

spring-web/src/main/java/org/springframework/http/codec/multipart/MultipartHttpMessageWriter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -139,7 +139,7 @@ public class MultipartHttpMessageWriter implements HttpMessageWriter<MultiValueM
 	 * @since 5.0.7
 	 */
 	public List<HttpMessageWriter<?>> getPartWriters() {
-		return Collections.unmodifiableList(partWriters);
+		return Collections.unmodifiableList(this.partWriters);
 	}
 
 	/**
@@ -195,8 +195,8 @@ public class MultipartHttpMessageWriter implements HttpMessageWriter<MultiValueM
 		if (contentType != null) {
 			return MediaType.MULTIPART_FORM_DATA.includes(contentType);
 		}
-		for (String name : map.keySet()) {
-			for (Object value : map.get(name)) {
+		for (List<?> values : map.values()) {
+			for (Object value : values) {
 				if (value != null && !(value instanceof String)) {
 					return true;
 				}

spring-web/src/main/java/org/springframework/http/converter/FormHttpMessageConverter.java

@@ -279,8 +279,8 @@ public class FormHttpMessageConverter implements HttpMessageConverter<MultiValue
 		if (contentType != null) {
 			return MediaType.MULTIPART_FORM_DATA.includes(contentType);
 		}
-		for (String name : map.keySet()) {
-			for (Object value : map.get(name)) {
+		for (List<?> values : map.values()) {
+			for (Object value : values) {
 				if (value != null && !(value instanceof String)) {
 					return true;
 				}

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -48,6 +48,7 @@ import org.springframework.web.context.request.NativeWebRequest;
  * @author Juergen Hoeller
  * @author Rob Winch
  * @since 3.2
+ * @param <T> the result type
  */
 public class DeferredResult<T> {
 
@@ -57,7 +58,7 @@ public class DeferredResult<T> {
 
 
 	@Nullable
-	private final Long timeout;
+	private final Long timeoutValue;
 
 	private final Object timeoutResult;
 
@@ -82,25 +83,25 @@ public class DeferredResult<T> {
 	}
 
 	/**
-	 * Create a DeferredResult with a timeout value.
+	 * Create a DeferredResult with a custom timeout value.
 	 * <p>By default not set in which case the default configured in the MVC
 	 * Java Config or the MVC namespace is used, or if that's not set, then the
 	 * timeout depends on the default of the underlying server.
-	 * @param timeout timeout value in milliseconds
+	 * @param timeoutValue timeout value in milliseconds
 	 */
-	public DeferredResult(Long timeout) {
-		this(timeout, RESULT_NONE);
+	public DeferredResult(Long timeoutValue) {
+		this(timeoutValue, RESULT_NONE);
 	}
 
 	/**
 	 * Create a DeferredResult with a timeout value and a default result to use
 	 * in case of timeout.
-	 * @param timeout timeout value in milliseconds (ignored if {@code null})
+	 * @param timeoutValue timeout value in milliseconds (ignored if {@code null})
 	 * @param timeoutResult the result to use
 	 */
-	public DeferredResult(@Nullable Long timeout, Object timeoutResult) {
+	public DeferredResult(@Nullable Long timeoutValue, Object timeoutResult) {
 		this.timeoutResult = timeoutResult;
-		this.timeout = timeout;
+		this.timeoutValue = timeoutValue;
 	}
 
 
@@ -141,7 +142,7 @@ public class DeferredResult<T> {
 	 */
 	@Nullable
 	final Long getTimeoutValue() {
-		return this.timeout;
+		return this.timeoutValue;
 	}
 
 	/**