Polishing

spring-context/src/main/java/org/springframework/format/annotation/DateTimeFormat.java

@@ -35,13 +35,13 @@ import java.lang.annotation.Target;
  * A date or time may be omitted by specifying the style character '-'.
  *
  * <p>For ISO-based formatting, set the {@link #iso} attribute to be the desired {@link ISO} format,
- * such as {@link ISO#DATE}. For custom formatting, set the {@link #pattern} attribute to be the
+ * such as {@link ISO#DATE}. For custom formatting, set the {@link #pattern()} attribute to be the
  * DateTime pattern, such as {@code yyyy/MM/dd hh:mm:ss a}.
  *
  * <p>Each attribute is mutually exclusive, so only set one attribute per annotation instance
- * (the most convenient one for your formatting needs).
+ * (the one most convenient one for your formatting needs).
  * When the pattern attribute is specified, it takes precedence over both the style and ISO attribute.
- * When the iso attribute is specified, it takes precedence over the style attribute.
+ * When the {@link #iso} attribute is specified, if takes precedence over the style attribute.
  * When no annotation attributes are specified, the default format applied is style-based
  * with a style code of 'SS' (short date, short time).
  *
@@ -82,23 +82,23 @@ public @interface DateTimeFormat {
 	/**
 	 * Common ISO date time format patterns.
 	 */
-	public enum ISO {
+	enum ISO {
 
 		/**
 		 * The most common ISO Date Format {@code yyyy-MM-dd},
-		 * e.g. 2000-10-31.
+		 * e.g. "2000-10-31".
 		 */
 		DATE,
 
 		/**
 		 * The most common ISO Time Format {@code HH:mm:ss.SSSZ},
-		 * e.g. 01:30:00.000-05:00.
+		 * e.g. "01:30:00.000-05:00".
 		 */
 		TIME,
 
 		/**
 		 * The most common ISO DateTime Format {@code yyyy-MM-dd'T'HH:mm:ss.SSSZ},
-		 * e.g. 2000-10-31 01:30:00.000-05:00.
+		 * e.g. "2000-10-31 01:30:00.000-05:00".
 		 * <p>This is the default if no annotation value is specified.
 		 */
 		DATE_TIME,

spring-context/src/main/java/org/springframework/format/annotation/NumberFormat.java

@@ -67,7 +67,7 @@ public @interface NumberFormat {
 	/**
 	 * Common number format styles.
 	 */
-	public enum Style {
+	enum Style {
 
 		/**
 		 * The general-purpose number format for the current locale.

spring-core/src/main/java/org/springframework/util/ClassUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -352,9 +352,9 @@ public abstract class ClassUtils {
 	 */
 	public static Class<?> getUserClass(Class<?> clazz) {
 		if (clazz != null && clazz.getName().contains(CGLIB_CLASS_SEPARATOR)) {
-			Class<?> superClass = clazz.getSuperclass();
+			Class<?> superclass = clazz.getSuperclass();
-			if (superClass != null && !Object.class.equals(superClass)) {
+			if (superclass != null && !Object.class.equals(superclass)) {
-				return superClass;
+				return superclass;
 			}
 		}
 		return clazz;
@@ -821,8 +821,8 @@ public abstract class ClassUtils {
 
 	/**
 	 * Return a public static method of a class.
-	 * @param methodName the static method name
 	 * @param clazz the class which defines the method
+	 * @param methodName the static method name
 	 * @param args the parameter types to the method
 	 * @return the static method, or {@code null} if no static method was found
 	 * @throws IllegalArgumentException if the method name is blank or the clazz is null

spring-expression/src/main/java/org/springframework/expression/spel/ast/PropertyOrFieldReference.java

@@ -97,10 +97,8 @@ public class PropertyOrFieldReference extends SpelNodeImpl {
 		if (result.getValue() == null && isAutoGrowNullReferences &&
 				nextChildIs(Indexer.class, PropertyOrFieldReference.class)) {
 			TypeDescriptor resultDescriptor = result.getTypeDescriptor();
-			// Creating lists and maps
-			if ((resultDescriptor.getType().equals(List.class) || resultDescriptor.getType().equals(Map.class))) {
 			// Create a new collection or map ready for the indexer
-				if (resultDescriptor.getType().equals(List.class)) {
+			if (List.class.equals(resultDescriptor.getType())) {
 				try {
 					if (isWritableProperty(this.name, contextObject, evalContext)) {
 						List<?> newList = ArrayList.class.newInstance();
@@ -117,7 +115,7 @@ public class PropertyOrFieldReference extends SpelNodeImpl {
 							SpelMessage.UNABLE_TO_CREATE_LIST_FOR_INDEXING);
 				}
 			}
-				else {
+			else if (Map.class.equals(resultDescriptor.getType())) {
 				try {
 					if (isWritableProperty(this.name,contextObject, evalContext)) {
 						Map<?,?> newMap = HashMap.class.newInstance();
@@ -134,7 +132,6 @@ public class PropertyOrFieldReference extends SpelNodeImpl {
 							SpelMessage.UNABLE_TO_CREATE_MAP_FOR_INDEXING);
 				}
 			}
-			}
 			else {
 				// 'simple' object
 				try {

spring-web/src/main/java/org/springframework/web/client/RestTemplate.java

@@ -78,7 +78,7 @@ import org.springframework.web.util.UriTemplate;
  * HTTP PATCH, HTTP PUT with response body, etc.). Note however that the underlying HTTP
  * library used must also support the desired combination.
  *
- * <p>For each HTTP method there are 3 variants -- two accept a URI template string
+ * <p>For each HTTP method there are three variants: two accept a URI template string
  * and URI variables (array or map) while a third accepts a {@link URI}.
  * Note that for URI templates it is assumed encoding is necessary, e.g.
  * {@code restTemplate.getForObject("http://example.com/hotel list")} becomes

spring-web/src/main/java/org/springframework/web/method/annotation/RequestParamMethodArgumentResolver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -53,8 +53,8 @@ import org.springframework.web.util.WebUtils;
  * type {@link MultipartFile} in conjunction with Spring's {@link MultipartResolver}
  * abstraction, and arguments of type {@code javax.servlet.http.Part} in conjunction
  * with Servlet 3.0 multipart requests. This resolver can also be created in default
- * resolution mode in which simple types (int, long, etc.) not annotated
+ * resolution mode in which simple types (int, long, etc.) not annotated with
- * with @{@link RequestParam} are also treated as request parameters with the
+ * @{@link RequestParam} are also treated as request parameters with the
  * parameter name derived from the argument name.
  *
  * <p>If the method parameter type is {@link Map}, the name specified in the
@@ -202,7 +202,7 @@ public class RequestParamMethodArgumentResolver extends AbstractNamedValueMethod
 			if (arg == null) {
 				String[] paramValues = webRequest.getParameterValues(name);
 				if (paramValues != null) {
-					arg = paramValues.length == 1 ? paramValues[0] : paramValues;
+					arg = (paramValues.length == 1 ? paramValues[0] : paramValues);
 				}
 			}
 		}
@@ -218,23 +218,21 @@ public class RequestParamMethodArgumentResolver extends AbstractNamedValueMethod
 	}
 
 	private boolean isMultipartFileCollection(MethodParameter parameter) {
-		Class<?> collectionType = getCollectionParameterType(parameter);
+		return MultipartFile.class.equals(getCollectionParameterType(parameter));
-		return ((collectionType != null) && collectionType.equals(MultipartFile.class));
+	}
+
+	private boolean isMultipartFileArray(MethodParameter parameter) {
+		return MultipartFile.class.equals(parameter.getParameterType().getComponentType());
 	}
 
 	private boolean isPartCollection(MethodParameter parameter) {
 		Class<?> collectionType = getCollectionParameterType(parameter);
-		return ((collectionType != null) && "javax.servlet.http.Part".equals(collectionType.getName()));
+		return (collectionType != null && "javax.servlet.http.Part".equals(collectionType.getName()));
 	}
 
 	private boolean isPartArray(MethodParameter parameter) {
 		Class<?> paramType = parameter.getParameterType().getComponentType();
-		return ((paramType != null) && "javax.servlet.http.Part".equals(paramType.getName()));
+		return (paramType != null && "javax.servlet.http.Part".equals(paramType.getName()));
-	}
-
-	private boolean isMultipartFileArray(MethodParameter parameter) {
-		Class<?> paramType = parameter.getParameterType().getComponentType();
-		return ((paramType != null) && MultipartFile.class.equals(paramType));
 	}
 
 	private Class<?> getCollectionParameterType(MethodParameter parameter) {