Polishing

spring-beans/src/main/java/org/springframework/beans/factory/config/DependencyDescriptor.java

 /*
- * 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.
@@ -84,8 +84,9 @@ public class DependencyDescriptor extends InjectionPoint implements Serializable
 	 */
 	public DependencyDescriptor(MethodParameter methodParameter, boolean required, boolean eager) {
 		super(methodParameter);
+
 		this.declaringClass = methodParameter.getDeclaringClass();
-		if (this.methodParameter.getMethod() != null) {
+		if (methodParameter.getMethod() != null) {
 			this.methodName = methodParameter.getMethod().getName();
 			this.parameterTypes = methodParameter.getMethod().getParameterTypes();
 		}
@@ -117,6 +118,7 @@ public class DependencyDescriptor extends InjectionPoint implements Serializable
 	 */
 	public DependencyDescriptor(Field field, boolean required, boolean eager) {
 		super(field);
+
 		this.declaringClass = field.getDeclaringClass();
 		this.fieldName = field.getName();
 		this.required = required;
@@ -129,6 +131,7 @@ public class DependencyDescriptor extends InjectionPoint implements Serializable
 	 */
 	public DependencyDescriptor(DependencyDescriptor original) {
 		super(original);
+
 		this.declaringClass = original.declaringClass;
 		this.methodName = original.methodName;
 		this.parameterTypes = original.parameterTypes;
@@ -236,7 +239,7 @@ public class DependencyDescriptor extends InjectionPoint implements Serializable
 	}
 
 	/**
-	 * Build a ResolvableType object for the wrapped parameter/field.
+	 * Build a {@link ResolvableType} object for the wrapped parameter/field.
 	 * @since 4.0
 	 */
 	public ResolvableType getResolvableType() {

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

@@ -45,8 +45,8 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
 	/**
 	 * Add the given {@link HandlerMethodArgumentResolver}.
 	 */
-	public HandlerMethodArgumentResolverComposite addResolver(HandlerMethodArgumentResolver argumentResolver) {
-		this.argumentResolvers.add(argumentResolver);
+	public HandlerMethodArgumentResolverComposite addResolver(HandlerMethodArgumentResolver resolver) {
+		this.argumentResolvers.add(resolver);
 		return this;
 	}
 
@@ -99,8 +99,7 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
 	 * Iterate over registered
 	 * {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}
 	 * and invoke the one that supports it.
-	 * @throws IllegalStateException if no suitable
-	 * {@link HandlerMethodArgumentResolver} is found.
+	 * @throws IllegalArgumentException if no suitable argument resolver is found
 	 */
 	@Override
 	public Object resolveArgument(MethodParameter parameter, Message<?> message) throws Exception {

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

 /*
- * 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.
@@ -431,6 +431,7 @@ public enum HttpStatus {
 	 * Whether this status code is in the HTTP series
 	 * {@link org.springframework.http.HttpStatus.Series#INFORMATIONAL}.
 	 * This is a shortcut for checking the value of {@link #series()}.
+	 * @since 4.0
 	 * @see #series()
 	 */
 	public boolean is1xxInformational() {
@@ -441,6 +442,7 @@ public enum HttpStatus {
 	 * Whether this status code is in the HTTP series
 	 * {@link org.springframework.http.HttpStatus.Series#SUCCESSFUL}.
 	 * This is a shortcut for checking the value of {@link #series()}.
+	 * @since 4.0
 	 * @see #series()
 	 */
 	public boolean is2xxSuccessful() {
@@ -451,6 +453,7 @@ public enum HttpStatus {
 	 * Whether this status code is in the HTTP series
 	 * {@link org.springframework.http.HttpStatus.Series#REDIRECTION}.
 	 * This is a shortcut for checking the value of {@link #series()}.
+	 * @since 4.0
 	 * @see #series()
 	 */
 	public boolean is3xxRedirection() {
@@ -461,6 +464,7 @@ public enum HttpStatus {
 	 * Whether this status code is in the HTTP series
 	 * {@link org.springframework.http.HttpStatus.Series#CLIENT_ERROR}.
 	 * This is a shortcut for checking the value of {@link #series()}.
+	 * @since 4.0
 	 * @see #series()
 	 */
 	public boolean is4xxClientError() {
@@ -471,6 +475,7 @@ public enum HttpStatus {
 	 * Whether this status code is in the HTTP series
 	 * {@link org.springframework.http.HttpStatus.Series#SERVER_ERROR}.
 	 * This is a shortcut for checking the value of {@link #series()}.
+	 * @since 4.0
 	 * @see #series()
 	 */
 	public boolean is5xxServerError() {

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

@@ -106,10 +106,9 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
 
 	/**
 	 * Iterate over registered
-	 * {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers} and
-	 * invoke the one that supports it.
-	 * @throws IllegalStateException if no suitable
-	 * {@link HandlerMethodArgumentResolver} is found.
+	 * {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}
+	 * and invoke the one that supports it.
+	 * @throws IllegalArgumentException if no suitable argument resolver is found
 	 */
 	@Override
 	public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
@@ -130,9 +129,9 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
 	private HandlerMethodArgumentResolver getArgumentResolver(MethodParameter parameter) {
 		HandlerMethodArgumentResolver result = this.argumentResolverCache.get(parameter);
 		if (result == null) {
-			for (HandlerMethodArgumentResolver methodArgumentResolver : this.argumentResolvers) {
-				if (methodArgumentResolver.supportsParameter(parameter)) {
-					result = methodArgumentResolver;
+			for (HandlerMethodArgumentResolver resolver : this.argumentResolvers) {
+				if (resolver.supportsParameter(parameter)) {
+					result = resolver;
 					this.argumentResolverCache.put(parameter, result);
 					break;
 				}