Polishing

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

@@ -96,7 +96,7 @@ public abstract class AbstractNamedValueMethodArgumentResolver implements Handle
 			}
 			arg = handleNullValue(namedValueInfo.name, arg, paramType);
 		}
-		else if ("".equals(arg) && (namedValueInfo.defaultValue != null)) {
+		else if ("".equals(arg) && namedValueInfo.defaultValue != null) {
 			arg = resolveDefaultValue(namedValueInfo.defaultValue);
 		}
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 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.
@@ -47,8 +47,8 @@ public class RequestHeaderMapMethodArgumentResolver implements HandlerMethodArgu
 
 	@Override
 	public boolean supportsParameter(MethodParameter parameter) {
-		return parameter.hasParameterAnnotation(RequestHeader.class)
-				&& Map.class.isAssignableFrom(parameter.getParameterType());
+		return parameter.hasParameterAnnotation(RequestHeader.class) &&
+				Map.class.isAssignableFrom(parameter.getParameterType());
 	}
 
 	@Override
@@ -85,4 +85,5 @@ public class RequestHeaderMapMethodArgumentResolver implements HandlerMethodArgu
 			return result;
 		}
 	}
+
 }

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

@@ -54,8 +54,8 @@ public class RequestHeaderMethodArgumentResolver extends AbstractNamedValueMetho
 
 	@Override
 	public boolean supportsParameter(MethodParameter parameter) {
-		return parameter.hasParameterAnnotation(RequestHeader.class)
-				&& !Map.class.isAssignableFrom(parameter.getParameterType());
+		return parameter.hasParameterAnnotation(RequestHeader.class) &&
+				!Map.class.isAssignableFrom(parameter.getParameterType());
 	}
 
 	@Override

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

@@ -153,9 +153,7 @@ public class RequestParamMethodArgumentResolver extends AbstractNamedValueMethod
 	@Override
 	protected NamedValueInfo createNamedValueInfo(MethodParameter parameter) {
 		RequestParam annotation = parameter.getParameterAnnotation(RequestParam.class);
-		return (annotation != null) ?
-				new RequestParamNamedValueInfo(annotation) :
-				new RequestParamNamedValueInfo();
+		return (annotation != null) ? new RequestParamNamedValueInfo(annotation) : new RequestParamNamedValueInfo();
 	}
 
 	@Override
@@ -179,7 +177,8 @@ public class RequestParamMethodArgumentResolver extends AbstractNamedValueMethod
 		else if (isMultipartFileArray(parameter)) {
 			assertIsMultipartRequest(servletRequest);
 			Assert.notNull(multipartRequest, "Expected MultipartHttpServletRequest: is a MultipartResolver configured?");
-			arg = multipartRequest.getFiles(name).toArray(new MultipartFile[0]);
+			List<MultipartFile> multipartFiles = multipartRequest.getFiles(name);
+			arg = multipartFiles.toArray(new MultipartFile[multipartFiles.size()]);
 		}
 		else if ("javax.servlet.http.Part".equals(parameter.getParameterType().getName())) {
 			assertIsMultipartRequest(servletRequest);
@@ -311,6 +310,7 @@ public class RequestParamMethodArgumentResolver extends AbstractNamedValueMethod
 		}
 	}
 
+
 	private static class RequestPartResolver {
 
 		public static Object resolvePart(HttpServletRequest servletRequest) throws Exception {