SPR-8234 Argument resolver and return value handler configuration improvements

org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/config/MvcAnnotationDriven.java

@@ -30,6 +30,8 @@ import org.springframework.validation.MessageCodesResolver;
 import org.springframework.validation.Validator;
 import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
 import org.springframework.web.bind.support.WebArgumentResolver;
+import org.springframework.web.method.support.HandlerMethodArgumentResolver;
+import org.springframework.web.servlet.mvc.method.annotation.support.ServletWebArgumentResolverAdapter;
 
 /**
  * Specifies the Spring MVC "annotation-driven" container feature. The
@@ -167,9 +169,16 @@ public final class MvcAnnotationDriven extends AbstractFeatureSpecification {
 		return this.shouldRegisterDefaultMessageConverters;
 	}
 
+	public MvcAnnotationDriven argumentResolvers(HandlerMethodArgumentResolver... resolvers) {
+		for (HandlerMethodArgumentResolver resolver : resolvers) {
+			this.argumentResolvers.add(resolver);
+		}
+		return this;
+	}
+
 	public MvcAnnotationDriven argumentResolvers(WebArgumentResolver... resolvers) {
 		for (WebArgumentResolver resolver : resolvers) {
-			this.argumentResolvers.add(resolver);
+			this.argumentResolvers.add(new ServletWebArgumentResolverAdapter(resolver));
 		}
 		return this;
 	}

org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerMethodAdapter.java

@@ -93,23 +93,23 @@ import org.springframework.web.servlet.mvc.method.annotation.support.ViewMethodR
 import org.springframework.web.util.WebUtils;
 
 /**
- * A {@link AbstractHandlerMethodAdapter} variant with support for invoking {@link RequestMapping} handler methods.
+ * An {@link AbstractHandlerMethodAdapter} variant with support for {@link RequestMapping} handler methods.
  * 
- * <p>Invoking a {@link RequestMapping} method typically involves the invocation of other handler methods such as 
- * {@link ModelAttribute} methods for contributing attributes to the model and {@link InitBinder} methods for 
- * initializing {@link WebDataBinder} instances for data binding and type conversion purposes.
+ * <p>Processing a {@link RequestMapping} method typically involves the invocation of {@link ModelAttribute} 
+ * methods for contributing attributes to the model and {@link InitBinder} methods for initializing 
+ * {@link WebDataBinder} instances for data binding and type conversion purposes.
  * 
- * <p>{@link InvocableHandlerMethod} is the key contributing class that helps with the invocation of any handler 
- * method after resolving its arguments through a set of {@link HandlerMethodArgumentResolver}s. 
- * {@link ServletInvocableHandlerMethod} on the other hand, handles the return value through a set of 
- * {@link HandlerMethodReturnValueHandler}s resulting in a {@link ModelAndView} when view resolution applies.
+ * <p>{@link InvocableHandlerMethod} is the key contributor that helps with the invocation of handler 
+ * methods of all types resolving their arguments through registered {@link HandlerMethodArgumentResolver}s. 
+ * {@link ServletInvocableHandlerMethod} on the other hand adds handling of the return value for {@link RequestMapping}
+ * methods through registered {@link HandlerMethodReturnValueHandler}s resulting in a {@link ModelAndView}. 
  * 
- * <p>Specifically assisting with the invocation of {@link ModelAttribute} methods is the {@link ModelFactory} while 
- * the invocation of {@link InitBinder} methods is done with the help of the {@link InitBinderMethodDataBinderFactory},
- * which is passed on to {@link HandlerMethodArgumentResolver}s where data binder instances are needed.
+ * <p>{@link ModelFactory} is another contributor that assists with the invocation of all {@link ModelAttribute} 
+ * methods to populate a model while {@link InitBinderMethodDataBinderFactory} assists with the invocation of 
+ * {@link InitBinder} methods for initializing data binder instances when needed.
  * 
- * <p>This class is the central point that assembles all of the above mentioned contributors and drives them while
- * also invoking the actual {@link RequestMapping} handler method through a {@link ServletInvocableHandlerMethod}.  
+ * <p>This class is the central point that assembles all of mentioned contributors and invokes the actual 
+ * {@link RequestMapping} handler method through a {@link ServletInvocableHandlerMethod}.
  * 
  * @author Rossen Stoyanchev
  * @since 3.1
@@ -121,11 +121,15 @@ import org.springframework.web.util.WebUtils;
 public class RequestMappingHandlerMethodAdapter extends AbstractHandlerMethodAdapter implements BeanFactoryAware,
 		InitializingBean {
 
-	private WebArgumentResolver[] customArgumentResolvers;
+	private final List<HandlerMethodArgumentResolver> customArgumentResolvers = 
+		new ArrayList<HandlerMethodArgumentResolver>();
 
-	private ModelAndViewResolver[] customModelAndViewResolvers;
+	private final List<HandlerMethodReturnValueHandler> customReturnValueHandlers = 
+		new ArrayList<HandlerMethodReturnValueHandler>();
+	
+	private final List<ModelAndViewResolver> modelAndViewResolvers = new ArrayList<ModelAndViewResolver>();
 
-	private HttpMessageConverter<?>[] messageConverters;
+	private List<HttpMessageConverter<?>> messageConverters;
 
 	private WebBindingInitializer webBindingInitializer;
 
@@ -160,45 +164,118 @@ public class RequestMappingHandlerMethodAdapter extends AbstractHandlerMethodAda
 		StringHttpMessageConverter stringHttpMessageConverter = new StringHttpMessageConverter();
 		stringHttpMessageConverter.setWriteAcceptCharset(false); // See SPR-7316
 		
-		this.messageConverters = new HttpMessageConverter[] { new ByteArrayHttpMessageConverter(),
-				stringHttpMessageConverter, new SourceHttpMessageConverter<Source>(),
-				new XmlAwareFormHttpMessageConverter() };
+		messageConverters = new ArrayList<HttpMessageConverter<?>>();
+		messageConverters.add(new ByteArrayHttpMessageConverter());
+		messageConverters.add(stringHttpMessageConverter);
+		messageConverters.add(new SourceHttpMessageConverter<Source>());
+		messageConverters.add(new XmlAwareFormHttpMessageConverter());
 	}
 
 	/**
-	 * Set one or more custom WebArgumentResolvers to use for special method parameter types.
-	 * <p>Any such custom WebArgumentResolver will kick in first, having a chance to resolve
-	 * an argument value before the standard argument handling kicks in.
-	 * <p>Note: this is provided for backward compatibility. The preferred way to do this is to 
-	 * implement a {@link HandlerMethodArgumentResolver}.
+	 * Set one or more custom argument resolvers to use with {@link RequestMapping}, {@link ModelAttribute}, and
+	 * {@link InitBinder} methods. Custom argument resolvers are given a chance to resolve argument values 
+	 * ahead of the standard argument resolvers registered by default.
+	 * <p>Argument resolvers of type {@link HandlerMethodArgumentResolver} and {@link WebArgumentResolver} are
+	 * accepted with instances of the latter adapted via {@link ServletWebArgumentResolverAdapter}. For new
+	 * implementations {@link HandlerMethodArgumentResolver} should be preferred over {@link WebArgumentResolver}.
+	 */
+	public void setCustomArgumentResolvers(List<?> argumentResolvers) {
+		if (argumentResolvers == null) {
+			return;
+		}
+		List<HandlerMethodArgumentResolver> adaptedResolvers = new ArrayList<HandlerMethodArgumentResolver>();
+		for (Object resolver : argumentResolvers) {
+			if (resolver instanceof WebArgumentResolver) {
+				adaptedResolvers.add(new ServletWebArgumentResolverAdapter((WebArgumentResolver) resolver));
+			}
+			else if (resolver instanceof HandlerMethodArgumentResolver) {
+				adaptedResolvers.add((HandlerMethodArgumentResolver) resolver);
+			}
+			else {
+				throw new IllegalArgumentException(
+						"An argument resolver must be a HandlerMethodArgumentResolver or a WebArgumentResolver");
+			}
+		}
+		this.customArgumentResolvers.addAll(adaptedResolvers);
+	}
+	
+	/**
+	 * Set the argument resolvers to use with {@link RequestMapping} and {@link ModelAttribute} methods. 
+	 * This is an optional property providing full control over all argument resolvers in contrast to  
+	 * {@link #setCustomArgumentResolvers(List)}, which does not override default registrations.
+	 * @param argumentResolvers argument resolvers for {@link RequestMapping} and {@link ModelAttribute} methods
 	 */
-	public void setCustomArgumentResolvers(WebArgumentResolver[] argumentResolvers) {
-		this.customArgumentResolvers = argumentResolvers;
+	public void setArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
+		if (argumentResolvers != null) {
+			this.argumentResolvers = new HandlerMethodArgumentResolverComposite();
+			registerArgumentResolvers(argumentResolvers);
+		}
+	}
+	
+	/**
+	 * Set the argument resolvers to use with {@link InitBinder} methods. This is an optional property 
+	 * providing full control over all argument resolvers for {@link InitBinder} methods in contrast to   
+	 * {@link #setCustomArgumentResolvers(List)}, which does not override default registrations.
+	 * @param argumentResolvers argument resolvers for {@link InitBinder} methods
+	 */
+	public void setInitBinderArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
+		if (argumentResolvers != null) {
+			this.initBinderArgumentResolvers = new HandlerMethodArgumentResolverComposite();
+			registerInitBinderArgumentResolvers(argumentResolvers);
+		}
 	}
 
 	/**
-	 * Set one or more custom ModelAndViewResolvers to use for special method return types.
-	 * <p>Any such custom ModelAndViewResolver will kick in first, having a chance to resolve
-	 * a return value before the standard ModelAndView handling kicks in.
-	 * <p>Note: this is provided for backward compatibility. The preferred way to do this is to 
-	 * implement a {@link HandlerMethodReturnValueHandler}.
+	 * Set custom return value handlers to use to handle the return values of {@link RequestMapping} methods. 
+	 * Custom return value handlers are given a chance to handle a return value before the standard 
+	 * return value handlers registered by default.
+	 * @param returnValueHandlers custom return value handlers for {@link RequestMapping} methods  
 	 */
-	public void setCustomModelAndViewResolvers(ModelAndViewResolver[] customModelAndViewResolvers) {
-		this.customModelAndViewResolvers = customModelAndViewResolvers;
+	public void setCustomReturnValueHandlers(List<HandlerMethodReturnValueHandler> returnValueHandlers) {
+		if (returnValueHandlers != null) {
+			this.customReturnValueHandlers.addAll(returnValueHandlers);
+		}
+	}
+
+	/**
+	 * Set the {@link HandlerMethodReturnValueHandler}s to use to use with {@link RequestMapping} methods. 
+	 * This is an optional property providing full control over all return value handlers in contrast to   
+	 * {@link #setCustomReturnValueHandlers(List)}, which does not override default registrations. 
+	 * @param returnValueHandlers the return value handlers for {@link RequestMapping} methods
+	 */
+	public void setReturnValueHandlers(List<HandlerMethodReturnValueHandler> returnValueHandlers) {
+		if (returnValueHandlers != null) {
+			this.returnValueHandlers = new HandlerMethodReturnValueHandlerComposite();
+			registerReturnValueHandlers(returnValueHandlers);
+		}
+	}
+
+	/**
+	 * Set custom {@link ModelAndViewResolver}s to use to handle the return values of {@link RequestMapping} methods.
+	 * <p>Custom {@link ModelAndViewResolver}s are provided for backward compatibility and are invoked at the very, 
+	 * from the {@link DefaultMethodReturnValueHandler}, after all standard {@link HandlerMethodReturnValueHandler}s 
+	 * have been given a chance. This is because {@link ModelAndViewResolver}s do not have a method to indicate 
+	 * if they support a given return type or not. For this reason it is recommended to use 
+	 * {@link HandlerMethodReturnValueHandler} and {@link #setCustomReturnValueHandlers(List)} instead.
+	 */
+	public void setModelAndViewResolvers(List<ModelAndViewResolver> modelAndViewResolvers) {
+		if (modelAndViewResolvers != null) {
+			this.modelAndViewResolvers.addAll(modelAndViewResolvers);
+		}
 	}
 
 	/**
 	 * Set the message body converters to use.
 	 * <p>These converters are used to convert from and to HTTP requests and responses.
 	 */
-	public void setMessageConverters(HttpMessageConverter<?>[] messageConverters) {
+	public void setMessageConverters(List<HttpMessageConverter<?>> messageConverters) {
 		this.messageConverters = messageConverters;
 	}
 
 	/**
 	 * Return the message body converters that this adapter has been configured with.
 	 */
-	public HttpMessageConverter<?>[] getMessageConverters() {
+	public List<HttpMessageConverter<?>> getMessageConverters() {
 		return messageConverters;
 	}
 
@@ -263,133 +340,117 @@ public class RequestMappingHandlerMethodAdapter extends AbstractHandlerMethodAda
 		this.parameterNameDiscoverer = parameterNameDiscoverer;
 	}
 	
-	/**
-	 * Set the {@link HandlerMethodArgumentResolver}s to use to resolve argument values for {@link RequestMapping} 
-	 * and {@link ModelAttribute} methods. This is an optional property.
-	 * @param argumentResolvers the argument resolvers to use
-	 */
-	public void setHandlerMethodArgumentResolvers(HandlerMethodArgumentResolver[] argumentResolvers) {
-		this.argumentResolvers = new HandlerMethodArgumentResolverComposite();
-		for (HandlerMethodArgumentResolver resolver : argumentResolvers) {
-			this.argumentResolvers.registerArgumentResolver(resolver);
+	public void setBeanFactory(BeanFactory beanFactory) {
+		if (beanFactory instanceof ConfigurableBeanFactory) {
+			this.beanFactory = (ConfigurableBeanFactory) beanFactory;
 		}
 	}
 
-	/**
-	 * Set the {@link HandlerMethodReturnValueHandler}s to use to handle the return values of 
-	 * {@link RequestMapping} methods. This is an optional property.
-	 * @param returnValueHandlers the return value handlers to use
-	 */
-	public void setHandlerMethodReturnValueHandlers(HandlerMethodReturnValueHandler[] returnValueHandlers) {
-		this.returnValueHandlers = new HandlerMethodReturnValueHandlerComposite();
-		for (HandlerMethodReturnValueHandler handler : returnValueHandlers) {
-			this.returnValueHandlers.registerReturnValueHandler(handler);
+	public void afterPropertiesSet() throws Exception {
+		if (argumentResolvers == null) {
+			argumentResolvers = new HandlerMethodArgumentResolverComposite();
+			registerArgumentResolvers(customArgumentResolvers);
+			registerArgumentResolvers(getDefaultArgumentResolvers(messageConverters, beanFactory));
+		}
+		if (returnValueHandlers == null) {
+			returnValueHandlers = new HandlerMethodReturnValueHandlerComposite();
+			registerReturnValueHandlers(customReturnValueHandlers);
+			registerReturnValueHandlers(getDefaultReturnValueHandlers(messageConverters, modelAndViewResolvers));
+		}
+		if (initBinderArgumentResolvers == null) {
+			initBinderArgumentResolvers = new HandlerMethodArgumentResolverComposite();
+			registerInitBinderArgumentResolvers(customArgumentResolvers);
+			registerInitBinderArgumentResolvers(getDefaultInitBinderArgumentResolvers(beanFactory));
 		}
 	}
 
-	/**
-	 * Set the {@link HandlerMethodArgumentResolver}s to use to resolve argument values for {@link InitBinder} 
-	 * methods. This is an optional property.
-	 * @param argumentResolvers the argument resolvers to use
-	 */
-	public void setInitBinderMethodArgumentResolvers(HandlerMethodArgumentResolver[] argumentResolvers) {
-		this.initBinderArgumentResolvers = new HandlerMethodArgumentResolverComposite();
+	private void registerArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
+		for (HandlerMethodArgumentResolver resolver : argumentResolvers) {
+			this.argumentResolvers.registerArgumentResolver(resolver);
+		}
+	}
+
+	private void registerInitBinderArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
 		for (HandlerMethodArgumentResolver resolver : argumentResolvers) {
 			this.initBinderArgumentResolvers.registerArgumentResolver(resolver);
 		}
 	}
 	
-	public void setBeanFactory(BeanFactory beanFactory) {
-		if (beanFactory instanceof ConfigurableBeanFactory) {
-			this.beanFactory = (ConfigurableBeanFactory) beanFactory;
+	private void registerReturnValueHandlers(List<HandlerMethodReturnValueHandler> returnValueHandlers) {
+		for (HandlerMethodReturnValueHandler handler : returnValueHandlers) {
+			this.returnValueHandlers.registerReturnValueHandler(handler);
 		}
 	}
 
-	public void afterPropertiesSet() throws Exception {
-		initHandlerMethodArgumentResolvers();
-		initHandlerMethodReturnValueHandlers();
-		initBinderMethodArgumentResolvers();
-	}
-
-	private void initHandlerMethodArgumentResolvers() {
-		if (argumentResolvers != null) {
-			return;
-		}
-		argumentResolvers = new HandlerMethodArgumentResolverComposite();
-		
-		// Annotation-based resolvers
-		argumentResolvers.registerArgumentResolver(new RequestParamMethodArgumentResolver(beanFactory, false));
-		argumentResolvers.registerArgumentResolver(new RequestParamMapMethodArgumentResolver());
-		argumentResolvers.registerArgumentResolver(new PathVariableMethodArgumentResolver(beanFactory));
-		argumentResolvers.registerArgumentResolver(new ServletModelAttributeMethodProcessor(false));
-		argumentResolvers.registerArgumentResolver(new RequestResponseBodyMethodProcessor(messageConverters));
-		argumentResolvers.registerArgumentResolver(new RequestHeaderMethodArgumentResolver(beanFactory));
-		argumentResolvers.registerArgumentResolver(new RequestHeaderMapMethodArgumentResolver());
-		argumentResolvers.registerArgumentResolver(new ServletCookieValueMethodArgumentResolver(beanFactory));
-		argumentResolvers.registerArgumentResolver(new ExpressionValueMethodArgumentResolver(beanFactory));
-
-		if (customArgumentResolvers != null) {
-			for (WebArgumentResolver customResolver : customArgumentResolvers) {
-				argumentResolvers.registerArgumentResolver(new ServletWebArgumentResolverAdapter(customResolver));
-			}
-		}
+	public static List<HandlerMethodArgumentResolver> getDefaultArgumentResolvers(
+			List<HttpMessageConverter<?>> messageConverters, ConfigurableBeanFactory beanFactory) {
 		
+		List<HandlerMethodArgumentResolver> resolvers = new ArrayList<HandlerMethodArgumentResolver>();
+
+		resolvers.add(new RequestParamMethodArgumentResolver(beanFactory, false));
+		resolvers.add(new RequestParamMapMethodArgumentResolver());
+		resolvers.add(new PathVariableMethodArgumentResolver(beanFactory));
+		resolvers.add(new ServletModelAttributeMethodProcessor(false));
+		resolvers.add(new RequestResponseBodyMethodProcessor(messageConverters));
+		resolvers.add(new RequestHeaderMethodArgumentResolver(beanFactory));
+		resolvers.add(new RequestHeaderMapMethodArgumentResolver());
+		resolvers.add(new ServletCookieValueMethodArgumentResolver(beanFactory));
+		resolvers.add(new ExpressionValueMethodArgumentResolver(beanFactory));
+
 		// Type-based resolvers
-		argumentResolvers.registerArgumentResolver(new ServletRequestMethodArgumentResolver());
-		argumentResolvers.registerArgumentResolver(new ServletResponseMethodArgumentResolver());
-		argumentResolvers.registerArgumentResolver(new HttpEntityMethodProcessor(messageConverters));
-		argumentResolvers.registerArgumentResolver(new ModelMethodProcessor());
-		argumentResolvers.registerArgumentResolver(new ErrorsMethodArgumentResolver());
+		resolvers.add(new ServletRequestMethodArgumentResolver());
+		resolvers.add(new ServletResponseMethodArgumentResolver());
+		resolvers.add(new HttpEntityMethodProcessor(messageConverters));
+		resolvers.add(new ModelMethodProcessor());
+		resolvers.add(new ErrorsMethodArgumentResolver());
 		
 		// Default-mode resolution
-		argumentResolvers.registerArgumentResolver(new RequestParamMethodArgumentResolver(beanFactory, true));
-		argumentResolvers.registerArgumentResolver(new ServletModelAttributeMethodProcessor(true));
-	}	
-
-	private void initBinderMethodArgumentResolvers() {
-		if (initBinderArgumentResolvers != null) {
-			return;
-		}
-		initBinderArgumentResolvers = new HandlerMethodArgumentResolverComposite();
+		resolvers.add(new RequestParamMethodArgumentResolver(beanFactory, true));
+		resolvers.add(new ServletModelAttributeMethodProcessor(true));
 		
+		return resolvers;
+	}
+
+	public static List<HandlerMethodArgumentResolver> getDefaultInitBinderArgumentResolvers(
+			ConfigurableBeanFactory beanFactory) {
+
+		List<HandlerMethodArgumentResolver> resolvers = new ArrayList<HandlerMethodArgumentResolver>();
+
 		// Annotation-based resolvers
-		initBinderArgumentResolvers.registerArgumentResolver(new RequestParamMethodArgumentResolver(beanFactory, false));
-		initBinderArgumentResolvers.registerArgumentResolver(new RequestParamMapMethodArgumentResolver());
-		initBinderArgumentResolvers.registerArgumentResolver(new PathVariableMethodArgumentResolver(beanFactory));
-		initBinderArgumentResolvers.registerArgumentResolver(new ExpressionValueMethodArgumentResolver(beanFactory));
-
-		if (customArgumentResolvers != null) {
-			for (WebArgumentResolver customResolver : customArgumentResolvers) {
-				initBinderArgumentResolvers.registerArgumentResolver(new ServletWebArgumentResolverAdapter(customResolver));
-			}
-		}
+		resolvers.add(new RequestParamMethodArgumentResolver(beanFactory, false));
+		resolvers.add(new RequestParamMapMethodArgumentResolver());
+		resolvers.add(new PathVariableMethodArgumentResolver(beanFactory));
+		resolvers.add(new ExpressionValueMethodArgumentResolver(beanFactory));
 
 		// Type-based resolvers
-		initBinderArgumentResolvers.registerArgumentResolver(new ServletRequestMethodArgumentResolver());
-		initBinderArgumentResolvers.registerArgumentResolver(new ServletResponseMethodArgumentResolver());
+		resolvers.add(new ServletRequestMethodArgumentResolver());
+		resolvers.add(new ServletResponseMethodArgumentResolver());
 		
 		// Default-mode resolution
-		initBinderArgumentResolvers.registerArgumentResolver(new RequestParamMethodArgumentResolver(beanFactory, true));
+		resolvers.add(new RequestParamMethodArgumentResolver(beanFactory, true));
+		
+		return resolvers;
 	}
-
-	private void initHandlerMethodReturnValueHandlers() {
-		if (returnValueHandlers != null) {
-			return;
-		}
-		returnValueHandlers = new HandlerMethodReturnValueHandlerComposite();
+	
+	public static List<HandlerMethodReturnValueHandler> getDefaultReturnValueHandlers(
+			List<HttpMessageConverter<?>> messageConverters, List<ModelAndViewResolver> modelAndViewResolvers) {
+		
+		List<HandlerMethodReturnValueHandler> handlers = new ArrayList<HandlerMethodReturnValueHandler>();
 		
 		// Annotation-based handlers
-		returnValueHandlers.registerReturnValueHandler(new RequestResponseBodyMethodProcessor(messageConverters));
-		returnValueHandlers.registerReturnValueHandler(new ModelAttributeMethodProcessor(false));
+		handlers.add(new RequestResponseBodyMethodProcessor(messageConverters));
+		handlers.add(new ModelAttributeMethodProcessor(false));
 		
 		// Type-based handlers
-		returnValueHandlers.registerReturnValueHandler(new ModelAndViewMethodReturnValueHandler());
-		returnValueHandlers.registerReturnValueHandler(new ModelMethodProcessor());
-		returnValueHandlers.registerReturnValueHandler(new ViewMethodReturnValueHandler());
-		returnValueHandlers.registerReturnValueHandler(new HttpEntityMethodProcessor(messageConverters));
+		handlers.add(new ModelAndViewMethodReturnValueHandler());
+		handlers.add(new ModelMethodProcessor());
+		handlers.add(new ViewMethodReturnValueHandler());
+		handlers.add(new HttpEntityMethodProcessor(messageConverters));
 		
 		// Default handler
-		returnValueHandlers.registerReturnValueHandler(new DefaultMethodReturnValueHandler(customModelAndViewResolvers));
+		handlers.add(new DefaultMethodReturnValueHandler(modelAndViewResolvers));
+		
+		return handlers;
 	}
 
 	@Override

org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerMethodExceptionResolver.java

@@ -17,6 +17,8 @@
 package org.springframework.web.servlet.mvc.method.annotation;
 
 import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
@@ -80,9 +82,13 @@ import org.springframework.web.servlet.mvc.method.annotation.support.ViewMethodR
 public class RequestMappingHandlerMethodExceptionResolver extends AbstractHandlerMethodExceptionResolver implements
 		InitializingBean {
 
-	private WebArgumentResolver[] customArgumentResolvers;
+	private final List<HandlerMethodArgumentResolver> customArgumentResolvers = 
+		new ArrayList<HandlerMethodArgumentResolver>();
 
-	private HttpMessageConverter<?>[] messageConverters;
+	private final List<HandlerMethodReturnValueHandler> customReturnValueHandlers = 
+		new ArrayList<HandlerMethodReturnValueHandler>();
+
+	private List<HttpMessageConverter<?>> messageConverters;
 
 	private final Map<Class<?>, ExceptionMethodMapping> exceptionMethodMappingCache = 
 		new ConcurrentHashMap<Class<?>, ExceptionMethodMapping>();
@@ -99,95 +105,139 @@ public class RequestMappingHandlerMethodExceptionResolver extends AbstractHandle
 		StringHttpMessageConverter stringHttpMessageConverter = new StringHttpMessageConverter();
 		stringHttpMessageConverter.setWriteAcceptCharset(false); // See SPR-7316
 		
-		this.messageConverters = new HttpMessageConverter[] { new ByteArrayHttpMessageConverter(),
-				stringHttpMessageConverter, new SourceHttpMessageConverter<Source>(),
-				new XmlAwareFormHttpMessageConverter() };
+		messageConverters = new ArrayList<HttpMessageConverter<?>>();
+		messageConverters.add(new ByteArrayHttpMessageConverter());
+		messageConverters.add(stringHttpMessageConverter);
+		messageConverters.add(new SourceHttpMessageConverter<Source>());
+		messageConverters.add(new XmlAwareFormHttpMessageConverter());
 	}
 
 	/**
-	 * Set one or more custom ArgumentResolvers to use for special method parameter types.
-	 * <p>Any such custom ArgumentResolver will kick in first, having a chance to resolve
-	 * an argument value before the standard argument handling kicks in.
-	 * <p>Note: this is provided for backward compatibility. The preferred way to do this is to 
-	 * implement a {@link HandlerMethodArgumentResolver}.
+	 * Set one or more custom argument resolvers to use with {@link ExceptionHandler} methods. Custom argument resolvers
+	 * are given a chance to resolve argument values ahead of the standard argument resolvers registered by default.
+	 * <p>Argument resolvers of type {@link HandlerMethodArgumentResolver} and {@link WebArgumentResolver} are
+	 * accepted with instances of the latter adapted via {@link ServletWebArgumentResolverAdapter}. For new
+	 * implementations {@link HandlerMethodArgumentResolver} should be preferred over {@link WebArgumentResolver}.
 	 */
-	public void setCustomArgumentResolvers(WebArgumentResolver[] argumentResolvers) {
-		this.customArgumentResolvers = argumentResolvers;
+	public void setCustomArgumentResolvers(List<?> argumentResolvers) {
+		if (argumentResolvers == null) {
+			return;
+		}
+		List<HandlerMethodArgumentResolver> adaptedResolvers = new ArrayList<HandlerMethodArgumentResolver>();
+		for (Object resolver : argumentResolvers) {
+			if (resolver instanceof WebArgumentResolver) {
+				adaptedResolvers.add(new ServletWebArgumentResolverAdapter((WebArgumentResolver) resolver));
+			}
+			else if (resolver instanceof HandlerMethodArgumentResolver) {
+				adaptedResolvers.add((HandlerMethodArgumentResolver) resolver);
+			}
+			else {
+				throw new IllegalArgumentException(
+						"An argument resolver must be a HandlerMethodArgumentResolver or a WebArgumentResolver");
+			}
+		}
+		this.customArgumentResolvers.addAll(adaptedResolvers);
+	}	
+
+	/**
+	 * Set the argument resolvers to use with {@link ExceptionHandler} methods. 
+	 * This is an optional property providing full control over all argument resolvers in contrast to  
+	 * {@link #setCustomArgumentResolvers(List)}, which does not override default registrations.
+	 * @param argumentResolvers argument resolvers for {@link ExceptionHandler} methods
+	 */
+	public void setArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
+		if (argumentResolvers != null) {
+			this.argumentResolvers = new HandlerMethodArgumentResolverComposite();
+			registerArgumentResolvers(argumentResolvers);
+		}
 	}
 
 	/**
-	 * Set the message body converters to use.
-	 * <p>These converters are used to convert from and to HTTP requests and responses.
+	 * Set custom return value handlers to use to handle the return values of {@link ExceptionHandler} methods. 
+	 * Custom return value handlers are given a chance to handle a return value before the standard 
+	 * return value handlers registered by default.
+	 * @param returnValueHandlers custom return value handlers for {@link ExceptionHandler} methods  
 	 */
-	public void setMessageConverters(HttpMessageConverter<?>[] messageConverters) {
-		this.messageConverters = messageConverters;
+	public void setCustomReturnValueHandlers(List<HandlerMethodReturnValueHandler> returnValueHandlers) {
+		if (returnValueHandlers != null) {
+			this.customReturnValueHandlers.addAll(returnValueHandlers);
+		}
 	}
 
 	/**
-	 * Set the {@link HandlerMethodArgumentResolver}s to use to resolve argument values for 
-	 * {@link ExceptionHandler} methods. This is an optional property.
-	 * @param argumentResolvers the argument resolvers to use
+	 * Set the {@link HandlerMethodReturnValueHandler}s to use to use with {@link ExceptionHandler} methods. 
+	 * This is an optional property providing full control over all return value handlers in contrast to   
+	 * {@link #setCustomReturnValueHandlers(List)}, which does not override default registrations. 
+	 * @param returnValueHandlers the return value handlers for {@link ExceptionHandler} methods
 	 */
-	public void setHandlerMethodArgumentResolvers(HandlerMethodArgumentResolver[] argumentResolvers) {
-		this.argumentResolvers = new HandlerMethodArgumentResolverComposite();
-		for (HandlerMethodArgumentResolver resolver : argumentResolvers) {
-			this.argumentResolvers.registerArgumentResolver(resolver);
+	public void setReturnValueHandlers(List<HandlerMethodReturnValueHandler> returnValueHandlers) {
+		if (returnValueHandlers != null) {
+			this.returnValueHandlers = new HandlerMethodReturnValueHandlerComposite();
+			registerReturnValueHandlers(returnValueHandlers);
 		}
 	}
 	
 	/**
-	 * Set the {@link HandlerMethodReturnValueHandler}s to use to handle the return values of 
-	 * {@link ExceptionHandler} methods. This is an optional property.
-	 * @param returnValueHandlers the return value handlers to use
+	 * Set the message body converters to use.
+	 * <p>These converters are used to convert from and to HTTP requests and responses.
 	 */
-	public void setHandlerMethodReturnValueHandlers(HandlerMethodReturnValueHandler[] returnValueHandlers) {
-		this.returnValueHandlers = new HandlerMethodReturnValueHandlerComposite();
-		for (HandlerMethodReturnValueHandler handler : returnValueHandlers) {
-			this.returnValueHandlers.registerReturnValueHandler(handler);
-		}
+	public void setMessageConverters(List<HttpMessageConverter<?>> messageConverters) {
+		this.messageConverters = messageConverters;
 	}
 
 	public void afterPropertiesSet() throws Exception {
-		initMethodArgumentResolvers();
-		initMethodReturnValueHandlers();
+		if (argumentResolvers == null) {
+			argumentResolvers = new HandlerMethodArgumentResolverComposite();
+			registerArgumentResolvers(customArgumentResolvers);
+			registerArgumentResolvers(getDefaultArgumentResolvers());
+		}
+		if (returnValueHandlers == null) {
+			returnValueHandlers = new HandlerMethodReturnValueHandlerComposite();
+			registerReturnValueHandlers(customReturnValueHandlers);
+			registerReturnValueHandlers(getDefaultReturnValueHandlers(messageConverters));
+		}
+	}
+
+	private void registerArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
+		for (HandlerMethodArgumentResolver resolver : argumentResolvers) {
+			this.argumentResolvers.registerArgumentResolver(resolver);
+		}
 	}
 	
-	private void initMethodArgumentResolvers() {
-		if (argumentResolvers != null) {
-			return;
+	private void registerReturnValueHandlers(List<HandlerMethodReturnValueHandler> returnValueHandlers) {
+		for (HandlerMethodReturnValueHandler handler : returnValueHandlers) {
+			this.returnValueHandlers.registerReturnValueHandler(handler);
 		}
-		argumentResolvers = new HandlerMethodArgumentResolverComposite();
-		
-		argumentResolvers.registerArgumentResolver(new ServletRequestMethodArgumentResolver());
-		argumentResolvers.registerArgumentResolver(new ServletResponseMethodArgumentResolver());
-
-		if (customArgumentResolvers != null) {
-			for (WebArgumentResolver customResolver : customArgumentResolvers) {
-				argumentResolvers.registerArgumentResolver(new ServletWebArgumentResolverAdapter(customResolver));
-			}
-		}	
 	}
 
-	private void initMethodReturnValueHandlers() {
-		if (returnValueHandlers != null) {
-			return;
-		}
-		returnValueHandlers = new HandlerMethodReturnValueHandlerComposite();
+	public static List<HandlerMethodArgumentResolver> getDefaultArgumentResolvers() {
+		List<HandlerMethodArgumentResolver> resolvers = new ArrayList<HandlerMethodArgumentResolver>();
+		resolvers.add(new ServletRequestMethodArgumentResolver());
+		resolvers.add(new ServletResponseMethodArgumentResolver());
+		return resolvers;
+	}
 
+	public static List<HandlerMethodReturnValueHandler> getDefaultReturnValueHandlers(
+			List<HttpMessageConverter<?>> messageConverters) {
+		
+		List<HandlerMethodReturnValueHandler> handlers = new ArrayList<HandlerMethodReturnValueHandler>();
+		
 		// Annotation-based handlers
-		returnValueHandlers.registerReturnValueHandler(new RequestResponseBodyMethodProcessor(messageConverters));
-		returnValueHandlers.registerReturnValueHandler(new ModelAttributeMethodProcessor(false));
+		handlers.add(new RequestResponseBodyMethodProcessor(messageConverters));
+		handlers.add(new ModelAttributeMethodProcessor(false));
 		
 		// Type-based handlers
-		returnValueHandlers.registerReturnValueHandler(new ModelAndViewMethodReturnValueHandler());
-		returnValueHandlers.registerReturnValueHandler(new ModelMethodProcessor());
-		returnValueHandlers.registerReturnValueHandler(new ViewMethodReturnValueHandler());
-		returnValueHandlers.registerReturnValueHandler(new HttpEntityMethodProcessor(messageConverters));
+		handlers.add(new ModelAndViewMethodReturnValueHandler());
+		handlers.add(new ModelMethodProcessor());
+		handlers.add(new ViewMethodReturnValueHandler());
+		handlers.add(new HttpEntityMethodProcessor(messageConverters));
 		
 		// Default handler
-		returnValueHandlers.registerReturnValueHandler(new DefaultMethodReturnValueHandler(null));
+		handlers.add(new DefaultMethodReturnValueHandler());
+		
+		return handlers;
 	}
-	
+
 	/**
 	 * Attempts to find an {@link ExceptionHandler}-annotated method that can handle the thrown exception.
 	 * The exception-handling method, if found, is invoked resulting in a {@link ModelAndView}.

org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/mvc/method/annotation/support/AbstractMessageConverterMethodProcessor.java

@@ -46,9 +46,9 @@ public abstract class AbstractMessageConverterMethodProcessor
 
 	protected final Log logger = LogFactory.getLog(getClass());
 
-	private final HttpMessageConverter<?>[] messageConverters;
+	private final List<HttpMessageConverter<?>> messageConverters;
 
-	protected AbstractMessageConverterMethodProcessor(HttpMessageConverter<?>... messageConverters) {
+	protected AbstractMessageConverterMethodProcessor(List<HttpMessageConverter<?>> messageConverters) {
 		Assert.notNull(messageConverters, "'messageConverters' must not be null");
 		this.messageConverters = messageConverters;
 	}

org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/mvc/method/annotation/support/DefaultMethodReturnValueHandler.java

@@ -17,6 +17,8 @@
 package org.springframework.web.servlet.mvc.method.annotation.support;
 
 import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
 
 import org.springframework.beans.BeanUtils;
 import org.springframework.core.MethodParameter;
@@ -41,10 +43,22 @@ import org.springframework.web.servlet.mvc.annotation.ModelAndViewResolver;
  */
 public class DefaultMethodReturnValueHandler implements HandlerMethodReturnValueHandler {
 	
-	private final ModelAndViewResolver[] customModelAndViewResolvers;
+	private final List<ModelAndViewResolver> modelAndViewResolvers = new ArrayList<ModelAndViewResolver>();
 
-	public DefaultMethodReturnValueHandler(ModelAndViewResolver[] customResolvers) {
-		this.customModelAndViewResolvers = (customResolvers != null) ? customResolvers : new ModelAndViewResolver[] {};
+	/**
+	 * Create a {@link DefaultMethodReturnValueHandler} instance without {@link ModelAndViewResolver}s.
+	 */
+	public DefaultMethodReturnValueHandler() {
+		this(null);
+	}
+
+	/**
+	 * Create a {@link DefaultMethodReturnValueHandler} with a list of {@link ModelAndViewResolver}s.
+	 */
+	public DefaultMethodReturnValueHandler(List<ModelAndViewResolver> modelAndViewResolvers) {
+		if (modelAndViewResolvers != null) {
+			this.modelAndViewResolvers.addAll(modelAndViewResolvers);
+		}
 	}
 
 	public boolean supportsReturnType(MethodParameter returnType) {
@@ -60,7 +74,7 @@ public class DefaultMethodReturnValueHandler implements HandlerMethodReturnValue
 								  ModelAndViewContainer mavContainer, 
 								  NativeWebRequest webRequest) throws Exception {
 
-		for (ModelAndViewResolver resolver : this.customModelAndViewResolvers) {
+		for (ModelAndViewResolver resolver : modelAndViewResolvers) {
 			Class<?> handlerType = returnType.getDeclaringClass();
 			Method method = returnType.getMethod();
 			ExtendedModelMap extModel = (ExtendedModelMap) mavContainer.getModel();

org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/mvc/method/annotation/support/HttpEntityMethodProcessor.java

@@ -21,6 +21,7 @@ import java.lang.reflect.Array;
 import java.lang.reflect.GenericArrayType;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
+import java.util.List;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
@@ -53,7 +54,7 @@ import org.springframework.web.method.support.ModelAndViewContainer;
  */
 public class HttpEntityMethodProcessor extends AbstractMessageConverterMethodProcessor {
 
-	public HttpEntityMethodProcessor(HttpMessageConverter<?>... messageConverters) {
+	public HttpEntityMethodProcessor(List<HttpMessageConverter<?>> messageConverters) {
 		super(messageConverters);
 	}
 

org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/mvc/method/annotation/support/RequestResponseBodyMethodProcessor.java

@@ -17,6 +17,7 @@
 package org.springframework.web.servlet.mvc.method.annotation.support;
 
 import java.io.IOException;
+import java.util.List;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
@@ -47,7 +48,7 @@ import org.springframework.web.method.support.ModelAndViewContainer;
  */
 public class RequestResponseBodyMethodProcessor extends AbstractMessageConverterMethodProcessor {
 
-	public RequestResponseBodyMethodProcessor(HttpMessageConverter<?>... messageConverters) {
+	public RequestResponseBodyMethodProcessor(List<HttpMessageConverter<?>> messageConverters) {
 		super(messageConverters);
 	}
 

org.springframework.web.servlet/src/test/java/org/springframework/web/servlet/config/AnnotationDrivenBeanDefinitionParserTests.java

@@ -19,6 +19,8 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
+import java.util.List;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.springframework.beans.DirectFieldAccessor;
@@ -31,10 +33,14 @@ import org.springframework.http.converter.StringHttpMessageConverter;
 import org.springframework.validation.MessageCodesResolver;
 import org.springframework.web.bind.support.ConfigurableWebBindingInitializer;
 import org.springframework.web.bind.support.WebArgumentResolver;
+import org.springframework.web.bind.support.WebDataBinderFactory;
 import org.springframework.web.context.request.NativeWebRequest;
 import org.springframework.web.context.support.GenericWebApplicationContext;
+import org.springframework.web.method.support.HandlerMethodArgumentResolver;
+import org.springframework.web.method.support.ModelAndViewContainer;
 import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMethodAdapter;
 import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMethodExceptionResolver;
+import org.springframework.web.servlet.mvc.method.annotation.support.ServletWebArgumentResolverAdapter;
 
 /**
  * Test fixture for the configuration in mvc-config-annotation-driven.xml.
@@ -75,17 +81,19 @@ public class AnnotationDrivenBeanDefinitionParserTests {
 		verifyMessageConverters(appContext.getBean(RequestMappingHandlerMethodExceptionResolver.class), false);
 	}
 
+	@SuppressWarnings("unchecked")
 	@Test
 	public void testArgumentResolvers() {
 		loadBeanDefinitions("mvc-config-argument-resolvers.xml");
 		RequestMappingHandlerMethodAdapter adapter = appContext.getBean(RequestMappingHandlerMethodAdapter.class);
 		assertNotNull(adapter);
-		Object resolvers = new DirectFieldAccessor(adapter).getPropertyValue("customArgumentResolvers");
-		assertNotNull(resolvers);
-		assertTrue(resolvers instanceof WebArgumentResolver[]);
-		assertEquals(2, ((WebArgumentResolver[]) resolvers).length);
-		assertTrue(((WebArgumentResolver[]) resolvers)[0] instanceof TestWebArgumentResolver);
-		assertTrue(((WebArgumentResolver[]) resolvers)[1] instanceof TestWebArgumentResolver);
+		Object value = new DirectFieldAccessor(adapter).getPropertyValue("customArgumentResolvers");
+		assertNotNull(value);
+		assertTrue(value instanceof List);
+		List<HandlerMethodArgumentResolver> resolvers = (List<HandlerMethodArgumentResolver>) value;
+		assertEquals(2, resolvers.size());
+		assertTrue(resolvers.get(0) instanceof ServletWebArgumentResolverAdapter);
+		assertTrue(resolvers.get(1) instanceof TestHandlerMethodArgumentResolver);
 	}
 
 	private void loadBeanDefinitions(String fileName) {
@@ -95,20 +103,20 @@ public class AnnotationDrivenBeanDefinitionParserTests {
 		appContext.refresh();
 	}
 
+	@SuppressWarnings("unchecked")
 	private void verifyMessageConverters(Object bean, boolean hasDefaultRegistrations) {
 		assertNotNull(bean);
-		Object converters = new DirectFieldAccessor(bean).getPropertyValue("messageConverters");
-		assertNotNull(converters);
-		assertTrue(converters instanceof HttpMessageConverter<?>[]);
+		Object value = new DirectFieldAccessor(bean).getPropertyValue("messageConverters");
+		assertNotNull(value);
+		assertTrue(value instanceof List);
+		List<HttpMessageConverter<?>> converters = (List<HttpMessageConverter<?>>) value; 
 		if (hasDefaultRegistrations) {
-			assertTrue("Default converters are registered in addition to custom ones",
-					((HttpMessageConverter<?>[]) converters).length > 2);
+			assertTrue("Default converters are registered in addition to custom ones", converters.size() > 2);
 		} else {
-			assertTrue("Default converters should not be registered",
-					((HttpMessageConverter<?>[]) converters).length == 2);
+			assertTrue("Default converters should not be registered", converters.size() == 2);
 		}
-		assertTrue(((HttpMessageConverter<?>[]) converters)[0] instanceof StringHttpMessageConverter);
-		assertTrue(((HttpMessageConverter<?>[]) converters)[1] instanceof ResourceHttpMessageConverter);
+		assertTrue(converters.get(0) instanceof StringHttpMessageConverter);
+		assertTrue(converters.get(1) instanceof ResourceHttpMessageConverter);
 	}
 
 }
@@ -121,6 +129,18 @@ class TestWebArgumentResolver implements WebArgumentResolver {
 
 }
 
+class TestHandlerMethodArgumentResolver implements HandlerMethodArgumentResolver {
+
+	public boolean supportsParameter(MethodParameter parameter) {
+		return false;
+	}
+
+	public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
+			NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
+		return null;
+	}
+}
+
 class TestMessageCodesResolver implements MessageCodesResolver {
 
 	public String[] resolveMessageCodes(String errorCode, String objectName) {

org.springframework.web.servlet/src/test/java/org/springframework/web/servlet/config/MvcAnnotationDrivenFeatureTests.java

@@ -19,6 +19,8 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
+import java.util.List;
+
 import org.junit.Test;
 import org.springframework.beans.DirectFieldAccessor;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
@@ -35,8 +37,10 @@ import org.springframework.validation.Validator;
 import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
 import org.springframework.web.bind.support.ConfigurableWebBindingInitializer;
 import org.springframework.web.bind.support.WebArgumentResolver;
+import org.springframework.web.method.support.HandlerMethodArgumentResolver;
 import org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter;
 import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMethodAdapter;
+import org.springframework.web.servlet.mvc.method.annotation.support.ServletWebArgumentResolverAdapter;
 
 /**
  * Integration tests for the {@link MvcAnnotationDriven} feature specification.
@@ -46,6 +50,7 @@ import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandl
  */
 public class MvcAnnotationDrivenFeatureTests {
 
+	@SuppressWarnings("unchecked")
 	@Test
 	public void testMessageCodesResolver() {
 		AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
@@ -58,16 +63,17 @@ public class MvcAnnotationDrivenFeatureTests {
 		MessageCodesResolver resolver = ((ConfigurableWebBindingInitializer) initializer).getMessageCodesResolver();
 		assertNotNull(resolver);
 		assertEquals("test.foo.bar", resolver.resolveMessageCodes("foo", "bar")[0]);
-		Object argResolvers = new DirectFieldAccessor(adapter).getPropertyValue("customArgumentResolvers");
-		assertNotNull(argResolvers);
-		WebArgumentResolver[] argResolversArray = (WebArgumentResolver[]) argResolvers;
-		assertEquals(1, argResolversArray.length);
-		assertTrue(argResolversArray[0] instanceof TestWebArgumentResolver);
+		Object value = new DirectFieldAccessor(adapter).getPropertyValue("customArgumentResolvers");
+		assertNotNull(value);
+		List<HandlerMethodArgumentResolver> resolvers = (List<HandlerMethodArgumentResolver>) value;
+		assertEquals(2, resolvers.size());
+		assertTrue(resolvers.get(0) instanceof ServletWebArgumentResolverAdapter);
+		assertTrue(resolvers.get(1) instanceof TestHandlerMethodArgumentResolver);
 		Object converters = new DirectFieldAccessor(adapter).getPropertyValue("messageConverters");
 		assertNotNull(converters);
-		HttpMessageConverter<?>[] convertersArray = (HttpMessageConverter<?>[]) converters;
-		assertTrue("Default converters are registered in addition to the custom one", convertersArray.length > 1);
-		assertTrue(convertersArray[0] instanceof StringHttpMessageConverter);
+		List<HttpMessageConverter<?>> convertersArray = (List<HttpMessageConverter<?>>) converters;
+		assertTrue("Default converters are registered in addition to the custom one", convertersArray.size() > 1);
+		assertTrue(convertersArray.get(0) instanceof StringHttpMessageConverter);
 	}
 
 }
@@ -81,7 +87,8 @@ class MvcFeature {
 			.messageCodesResolver(mvcBeans.messageCodesResolver())
 			.validator(mvcBeans.validator())
 			.messageConverters(new StringHttpMessageConverter())
-			.argumentResolvers(new TestWebArgumentResolver());
+			.argumentResolvers(new TestWebArgumentResolver())
+			.argumentResolvers(new TestHandlerMethodArgumentResolver());
 	}
 }
 

org.springframework.web.servlet/src/test/java/org/springframework/web/servlet/config/MvcNamespaceTests.java

@@ -25,6 +25,7 @@ import static org.junit.Assert.assertTrue;
 
 import java.lang.reflect.Method;
 import java.util.Date;
+import java.util.List;
 import java.util.Locale;
 
 import javax.servlet.RequestDispatcher;
@@ -111,8 +112,8 @@ public class MvcNamespaceTests {
 		RequestMappingHandlerMethodAdapter adapter = appContext.getBean(RequestMappingHandlerMethodAdapter.class);
 		assertNotNull(adapter);
 		
-		HttpMessageConverter<?>[] messageConverters = adapter.getMessageConverters();
-		assertTrue(messageConverters.length > 0);
+		List<HttpMessageConverter<?>> messageConverters = adapter.getMessageConverters();
+		assertTrue(messageConverters.size() > 0);
 
 		assertNotNull(appContext.getBean(FormattingConversionServiceFactoryBean.class));
 		assertNotNull(appContext.getBean(ConversionService.class));

org.springframework.web.servlet/src/test/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerMethodAdapterIntegrationTests.java

@@ -26,10 +26,12 @@ import java.awt.Color;
 import java.lang.reflect.Method;
 import java.security.Principal;
 import java.text.SimpleDateFormat;
+import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.GregorianCalendar;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 import javax.servlet.http.Cookie;
@@ -74,10 +76,11 @@ import org.springframework.web.context.request.RequestContextHolder;
 import org.springframework.web.context.request.ServletWebRequest;
 import org.springframework.web.context.support.GenericWebApplicationContext;
 import org.springframework.web.method.HandlerMethod;
+import org.springframework.web.method.support.HandlerMethodArgumentResolver;
 import org.springframework.web.method.support.InvocableHandlerMethod;
 import org.springframework.web.servlet.HandlerMapping;
 import org.springframework.web.servlet.ModelAndView;
-import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMethodAdapter;
+import org.springframework.web.servlet.mvc.method.annotation.support.ServletWebArgumentResolverAdapter;
 
 /**
  * A test fixture for higher-level {@link RequestMappingHandlerMethodAdapter} tests.
@@ -109,9 +112,12 @@ public class RequestMappingHandlerMethodAdapterIntegrationTests {
 		ConfigurableWebBindingInitializer bindingInitializer = new ConfigurableWebBindingInitializer();
 		bindingInitializer.setValidator(new StubValidator());
 		
+		List<HandlerMethodArgumentResolver> customResolvers = new ArrayList<HandlerMethodArgumentResolver>();
+		customResolvers.add(new ServletWebArgumentResolverAdapter(new ColorArgumentResolver()));
+		
 		this.handlerAdapter = new RequestMappingHandlerMethodAdapter();
 		this.handlerAdapter.setWebBindingInitializer(bindingInitializer);
-		this.handlerAdapter.setCustomArgumentResolvers(new WebArgumentResolver[] { new ColorArgumentResolver() });
+		this.handlerAdapter.setCustomArgumentResolvers(customResolvers);
 		
 		GenericWebApplicationContext context = new GenericWebApplicationContext();
 		context.refresh();

org.springframework.web.servlet/src/test/java/org/springframework/web/servlet/mvc/method/annotation/ServletHandlerMethodTests.java

@@ -1079,7 +1079,7 @@ public class ServletHandlerMethodTests {
 			public void register(GenericWebApplicationContext wac) {
 				RootBeanDefinition adapterDef = new RootBeanDefinition(RequestMappingHandlerMethodAdapter.class);
 				ModelAndViewResolver[] mavResolvers = new ModelAndViewResolver[] {new MyModelAndViewResolver()};
-				adapterDef.getPropertyValues().add("customModelAndViewResolvers", mavResolvers);
+				adapterDef.getPropertyValues().add("modelAndViewResolvers", mavResolvers);
 				wac.registerBeanDefinition("handlerAdapter", adapterDef);
 			}
 		});

org.springframework.web.servlet/src/test/java/org/springframework/web/servlet/mvc/method/annotation/support/HttpEntityMethodProcessorTests.java

@@ -27,7 +27,9 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
 import java.lang.reflect.Method;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -82,7 +84,10 @@ public class HttpEntityMethodProcessorTests {
 	@Before
 	public void setUp() throws Exception {
 		messageConverter = createMock(HttpMessageConverter.class);
-		processor = new HttpEntityMethodProcessor(messageConverter);
+		
+		List<HttpMessageConverter<?>> messageConverters = new ArrayList<HttpMessageConverter<?>>();
+		messageConverters.add(messageConverter);
+		processor = new HttpEntityMethodProcessor(messageConverters);
 
 		Method handle1 = getClass().getMethod("handle1", HttpEntity.class, ResponseEntity.class, Integer.TYPE);
 		httpEntityParam = new MethodParameter(handle1, 0);
@@ -211,7 +216,9 @@ public class HttpEntityMethodProcessorTests {
 		responseHeaders.set("header", "headerValue");
 		ResponseEntity<String> returnValue = new ResponseEntity<String>(responseHeaders, HttpStatus.ACCEPTED);
 
-		HttpEntityMethodProcessor processor = new HttpEntityMethodProcessor(new StringHttpMessageConverter());
+		List<HttpMessageConverter<?>> messageConverters = new ArrayList<HttpMessageConverter<?>>();
+		messageConverters.add(new StringHttpMessageConverter());
+		HttpEntityMethodProcessor processor = new HttpEntityMethodProcessor(messageConverters);
 		processor.handleReturnValue(returnValue, responseEntityReturnValue, mavContainer, request);
 
 		assertFalse(mavContainer.isResolveView());
@@ -224,7 +231,9 @@ public class HttpEntityMethodProcessorTests {
 		responseHeaders.set("header", "headerValue");
 		ResponseEntity<String> returnValue = new ResponseEntity<String>("body", responseHeaders, HttpStatus.ACCEPTED);
 
-		HttpEntityMethodProcessor processor = new HttpEntityMethodProcessor(new StringHttpMessageConverter());
+		List<HttpMessageConverter<?>> messageConverters = new ArrayList<HttpMessageConverter<?>>();
+		messageConverters.add(new StringHttpMessageConverter());
+		HttpEntityMethodProcessor processor = new HttpEntityMethodProcessor(messageConverters);
 		processor.handleReturnValue(returnValue, responseEntityReturnValue, mavContainer, request);
 
 		assertFalse(mavContainer.isResolveView());

org.springframework.web.servlet/src/test/java/org/springframework/web/servlet/mvc/method/annotation/support/RequestResponseBodyMethodProcessorTests.java

@@ -27,7 +27,9 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
 import java.lang.reflect.Method;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -45,7 +47,6 @@ import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.context.request.NativeWebRequest;
 import org.springframework.web.context.request.ServletWebRequest;
 import org.springframework.web.method.support.ModelAndViewContainer;
-import org.springframework.web.servlet.mvc.method.annotation.support.RequestResponseBodyMethodProcessor;
 
 /**
  * @author Arjen Poutsma
@@ -74,7 +75,11 @@ public class RequestResponseBodyMethodProcessorTests {
 	@Before
 	public void setUp() throws Exception {
 		messageConverter = createMock(HttpMessageConverter.class);
-		processor = new RequestResponseBodyMethodProcessor(messageConverter);
+		
+		List<HttpMessageConverter<?>> messageConverters = new ArrayList<HttpMessageConverter<?>>();
+		messageConverters.add(messageConverter);
+		processor = new RequestResponseBodyMethodProcessor(messageConverters);
+		
 		Method handle = getClass().getMethod("handle", String.class, Integer.TYPE);
 		stringParameter = new MethodParameter(handle, 0);
 		intParameter = new MethodParameter(handle, 1);

org.springframework.web.servlet/src/test/resources/org/springframework/web/servlet/config/mvc-config-argument-resolvers.xml

@@ -8,7 +8,7 @@
 	<mvc:annotation-driven>
 		<mvc:argument-resolvers>
 			<bean class="org.springframework.web.servlet.config.TestWebArgumentResolver"/>		
-			<bean class="org.springframework.web.servlet.config.TestWebArgumentResolver"/>		
+			<bean class="org.springframework.web.servlet.config.TestHandlerMethodArgumentResolver"/>		
 		</mvc:argument-resolvers>
 	</mvc:annotation-driven>