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Consistent configurer access in WebMvcConfigurationSupport 

Issue: SPR-16017

(cherry picked from commit 40ba95f)
This commit is contained in:
Juergen Hoeller 2017-09-27 19:00:51 +02:00
parent 00c0d7847f
commit a1a7c62127
12 changed files with 104 additions and 97 deletions
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4
spring-web/src/main/java/org/springframework/web/accept/ContentNegotiationManager.java
View File

@ -40,6 +40,7 @@ import org.springframework.web.context.request.NativeWebRequest;
* {@code MediaTypeFileExtensionResolver} instances.
*
* @author Rossen Stoyanchev
* @author Juergen Hoeller
* @since 3.2
*/
public class ContentNegotiationManager implements ContentNegotiationStrategy, MediaTypeFileExtensionResolver {
@ -66,6 +67,7 @@ public class ContentNegotiationManager implements ContentNegotiationStrategy, Me
* A collection-based alternative to
* {@link #ContentNegotiationManager(ContentNegotiationStrategy...)}.
* @param strategies the strategies to use
* @since 3.2.2
*/
public ContentNegotiationManager(Collection<ContentNegotiationStrategy> strategies) {
Assert.notEmpty(strategies, "At least one ContentNegotiationStrategy is expected");
@ -96,7 +98,7 @@ public class ContentNegotiationManager implements ContentNegotiationStrategy, Me
/**
* Find a {@code ContentNegotiationStrategy} of the given type.
* @param strategyType the strategy type
* @return the first matching strategy or {@code null}.
* @return the first matching strategy, or {@code null} if none
* @since 4.3
*/
@SuppressWarnings("unchecked")

13
spring-web/src/main/java/org/springframework/web/accept/ContentNegotiationManagerFactoryBean.java
View File

@ -86,6 +86,7 @@ import org.springframework.web.context.ServletContextAware;
* {@link #setStrategies(List)}.
*
* @author Rossen Stoyanchev
* @author Brian Clozel
* @since 3.2
*/
public class ContentNegotiationManagerFactoryBean
@ -293,6 +294,10 @@ public class ContentNegotiationManagerFactoryBean
build();
}
/**
* Actually build the {@link ContentNegotiationManager}.
* @since 5.0
*/
public ContentNegotiationManager build() {
List<ContentNegotiationStrategy> strategies = new ArrayList<>();
@ -303,8 +308,7 @@ public class ContentNegotiationManagerFactoryBean
if (this.favorPathExtension) {
PathExtensionContentNegotiationStrategy strategy;
if (this.servletContext != null && !useRegisteredExtensionsOnly()) {
strategy = new ServletPathExtensionContentNegotiationStrategy(
this.servletContext, this.mediaTypes);
strategy = new ServletPathExtensionContentNegotiationStrategy(this.servletContext, this.mediaTypes);
}
else {
strategy = new PathExtensionContentNegotiationStrategy(this.mediaTypes);
@ -317,14 +321,13 @@ public class ContentNegotiationManagerFactoryBean
}
if (this.favorParameter) {
ParameterContentNegotiationStrategy strategy =
new ParameterContentNegotiationStrategy(this.mediaTypes);
ParameterContentNegotiationStrategy strategy = new ParameterContentNegotiationStrategy(this.mediaTypes);
strategy.setParameterName(this.parameterName);
if (this.useRegisteredExtensionsOnly != null) {
strategy.setUseRegisteredExtensionsOnly(this.useRegisteredExtensionsOnly);
}
else {
strategy.setUseRegisteredExtensionsOnly(true); // backwards compatibility
strategy.setUseRegisteredExtensionsOnly(true); // backwards compatibility
}
strategies.add(strategy);
}

11
spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/ContentNegotiationConfigurer.java
View File

@ -186,8 +186,8 @@ public class ContentNegotiationConfigurer {
}
/**
* @deprecated as of 5.0, in favor of {@link #useRegisteredExtensionsOnly(boolean)}, which
* has reverse behavior.
* @deprecated as of 5.0, in favor of {@link #useRegisteredExtensionsOnly(boolean)}
* which has reverse behavior
*/
@Deprecated
public ContentNegotiationConfigurer useJaf(boolean useJaf) {
@ -262,7 +262,12 @@ public class ContentNegotiationConfigurer {
}
protected ContentNegotiationManager getContentNegotiationManager() throws Exception {
/**
* Build a {@link ContentNegotiationManager} based on this configurer's settings.
* @since 4.3.12
* @see ContentNegotiationManagerFactoryBean#getObject()
*/
protected ContentNegotiationManager buildContentNegotiationManager() {
this.factory.addMediaTypes(this.mediaTypes);
return this.factory.build();
}

14
spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/DefaultServletHandlerConfigurer.java
View File

@ -16,15 +16,12 @@
package org.springframework.web.servlet.config.annotation;
import java.util.HashMap;
import java.util.Map;
import java.util.Collections;
import javax.servlet.ServletContext;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.web.HttpRequestHandler;
import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.handler.AbstractHandlerMapping;
import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;
import org.springframework.web.servlet.resource.DefaultServletHttpRequestHandler;
@ -86,23 +83,22 @@ public class DefaultServletHandlerConfigurer {
this.handler.setServletContext(this.servletContext);
}
/**
* Return a handler mapping instance ordered at {@link Integer#MAX_VALUE} containing the
* {@link DefaultServletHttpRequestHandler} instance mapped to {@code "/**"};
* or {@code null} if default servlet handling was not been enabled.
* @since 4.3.12
*/
@Nullable
protected AbstractHandlerMapping getHandlerMapping() {
protected SimpleUrlHandlerMapping buildHandlerMapping() {
if (this.handler == null) {
return null;
}
Map<String, HttpRequestHandler> urlMap = new HashMap<>();
urlMap.put("/**", this.handler);
SimpleUrlHandlerMapping handlerMapping = new SimpleUrlHandlerMapping();
handlerMapping.setUrlMap(Collections.singletonMap("/**", this.handler));
handlerMapping.setOrder(Integer.MAX_VALUE);
handlerMapping.setUrlMap(urlMap);
return handlerMapping;
}

4
spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/PathMatchConfigurer.java
View File

@ -84,9 +84,7 @@ public class PathMatchConfigurer {
* <p>By default this is set to "false".
* @see WebMvcConfigurer#configureContentNegotiation
*/
public PathMatchConfigurer setUseRegisteredSuffixPatternMatch(
Boolean registeredSuffixPatternMatch) {
public PathMatchConfigurer setUseRegisteredSuffixPatternMatch(Boolean registeredSuffixPatternMatch) {
this.registeredSuffixPatternMatch = registeredSuffixPatternMatch;
return this;
}

29
spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/ViewControllerRegistry.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2017 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.
@ -24,7 +24,6 @@ import java.util.Map;
import org.springframework.context.ApplicationContext;
import org.springframework.http.HttpStatus;
import org.springframework.lang.Nullable;
import org.springframework.web.servlet.handler.AbstractHandlerMapping;
import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;
/**
@ -37,14 +36,23 @@ import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;
*/
public class ViewControllerRegistry {
@Nullable
private ApplicationContext applicationContext;
private final List<ViewControllerRegistration> registrations = new ArrayList<>(4);
private final List<RedirectViewControllerRegistration> redirectRegistrations = new ArrayList<>(10);
private int order = 1;
@Nullable
private ApplicationContext applicationContext;
/**
* Class constructor with {@link ApplicationContext}.
* @since 4.3.12
*/
public ViewControllerRegistry(@Nullable ApplicationContext applicationContext) {
this.applicationContext = applicationContext;
}
/**
@ -97,30 +105,29 @@ public class ViewControllerRegistry {
this.order = order;
}
protected void setApplicationContext(@Nullable ApplicationContext applicationContext) {
this.applicationContext = applicationContext;
}
/**
* Return the {@code HandlerMapping} that contains the registered view
* controller mappings, or {@code null} for no registrations.
* @since 4.3.12
*/
@Nullable
protected AbstractHandlerMapping getHandlerMapping() {
protected SimpleUrlHandlerMapping buildHandlerMapping() {
if (this.registrations.isEmpty() && this.redirectRegistrations.isEmpty()) {
return null;
}
Map<String, Object> urlMap = new LinkedHashMap<>();
Map<String, Object> urlMap = new LinkedHashMap<String, Object>();
for (ViewControllerRegistration registration : this.registrations) {
urlMap.put(registration.getUrlPath(), registration.getViewController());
}
for (RedirectViewControllerRegistration registration : this.redirectRegistrations) {
urlMap.put(registration.getUrlPath(), registration.getViewController());
}
SimpleUrlHandlerMapping handlerMapping = new SimpleUrlHandlerMapping();
handlerMapping.setOrder(this.order);
handlerMapping.setUrlMap(urlMap);
handlerMapping.setOrder(this.order);
return handlerMapping;
}

25
spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/ViewResolverRegistry.java
View File

@ -54,6 +54,12 @@ import org.springframework.web.servlet.view.tiles3.TilesViewResolver;
*/
public class ViewResolverRegistry {
@Nullable
private ContentNegotiationManager contentNegotiationManager;
@Nullable
private ApplicationContext applicationContext;
@Nullable
private ContentNegotiatingViewResolver contentNegotiatingResolver;
@ -62,20 +68,18 @@ public class ViewResolverRegistry {
@Nullable
private Integer order;
@Nullable
private ContentNegotiationManager contentNegotiationManager;
@Nullable
private ApplicationContext applicationContext;
/**
* Class constructor with {@link ContentNegotiationManager} and {@link ApplicationContext}.
* @since 4.3.12
*/
public ViewResolverRegistry(
ContentNegotiationManager contentNegotiationManager, @Nullable ApplicationContext context) {
protected void setContentNegotiationManager(ContentNegotiationManager contentNegotiationManager) {
this.contentNegotiationManager = contentNegotiationManager;
this.applicationContext = context;
}
protected void setApplicationContext(ApplicationContext applicationContext) {
this.applicationContext = applicationContext;
}
/**
* Whether any view resolvers have been registered.
@ -84,7 +88,6 @@ public class ViewResolverRegistry {
return (this.contentNegotiatingResolver != null || !this.viewResolvers.isEmpty());
}
/**
* Enable use of a {@link ContentNegotiatingViewResolver} to front all other
* configured view resolvers and select among all selected Views based on
@ -305,6 +308,7 @@ public class ViewResolverRegistry {
}
}
private static class GroovyMarkupRegistration extends UrlBasedViewResolverRegistration {
public GroovyMarkupRegistration() {
@ -313,6 +317,7 @@ public class ViewResolverRegistry {
}
}
private static class ScriptRegistration extends UrlBasedViewResolverRegistration {
public ScriptRegistration() {

31
spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/WebMvcConfigurationSupport.java
View File

@ -391,12 +391,7 @@ public class WebMvcConfigurationSupport implements ApplicationContextAware, Serv
ContentNegotiationConfigurer configurer = new ContentNegotiationConfigurer(this.servletContext);
configurer.mediaTypes(getDefaultMediaTypes());
configureContentNegotiation(configurer);
try {
this.contentNegotiationManager = configurer.getContentNegotiationManager();
}
catch (Throwable ex) {
throw new BeanInitializationException("Could not create ContentNegotiationManager", ex);
}
this.contentNegotiationManager = configurer.buildContentNegotiationManager();
}
return this.contentNegotiationManager;
}
@ -436,11 +431,10 @@ public class WebMvcConfigurationSupport implements ApplicationContextAware, Serv
*/
@Bean
public HandlerMapping viewControllerHandlerMapping() {
ViewControllerRegistry registry = new ViewControllerRegistry();
registry.setApplicationContext(this.applicationContext);
ViewControllerRegistry registry = new ViewControllerRegistry(this.applicationContext);
addViewControllers(registry);
AbstractHandlerMapping handlerMapping = registry.getHandlerMapping();
AbstractHandlerMapping handlerMapping = registry.buildHandlerMapping();
handlerMapping = (handlerMapping != null ? handlerMapping : new EmptyHandlerMapping());
handlerMapping.setPathMatcher(mvcPathMatcher());
handlerMapping.setUrlPathHelper(mvcUrlPathHelper());
@ -531,9 +525,9 @@ public class WebMvcConfigurationSupport implements ApplicationContextAware, Serv
Assert.state(this.servletContext != null, "No ServletContext set");
DefaultServletHandlerConfigurer configurer = new DefaultServletHandlerConfigurer(this.servletContext);
configureDefaultServletHandling(configurer);
AbstractHandlerMapping handlerMapping = configurer.getHandlerMapping();
handlerMapping = handlerMapping != null ? handlerMapping : new EmptyHandlerMapping();
return handlerMapping;
HandlerMapping handlerMapping = configurer.buildHandlerMapping();
return (handlerMapping != null ? handlerMapping : new EmptyHandlerMapping());
}
/**
@ -975,14 +969,11 @@ public class WebMvcConfigurationSupport implements ApplicationContextAware, Serv
*/
@Bean
public ViewResolver mvcViewResolver() {
ViewResolverRegistry registry = new ViewResolverRegistry();
registry.setContentNegotiationManager(mvcContentNegotiationManager());
if (this.applicationContext != null) {
registry.setApplicationContext(this.applicationContext);
}
ViewResolverRegistry registry = new ViewResolverRegistry(
mvcContentNegotiationManager(), this.applicationContext);
configureViewResolvers(registry);
if (registry.getViewResolvers().isEmpty()) {
if (registry.getViewResolvers().isEmpty() && this.applicationContext != null) {
String[] names = BeanFactoryUtils.beanNamesForTypeIncludingAncestors(
this.applicationContext, ViewResolver.class, true, false);
if (names.length == 1) {
@ -993,7 +984,9 @@ public class WebMvcConfigurationSupport implements ApplicationContextAware, Serv
ViewResolverComposite composite = new ViewResolverComposite();
composite.setOrder(registry.getOrder());
composite.setViewResolvers(registry.getViewResolvers());
composite.setApplicationContext(this.applicationContext);
if (this.applicationContext != null) {
composite.setApplicationContext(this.applicationContext);
}
if (this.servletContext != null) {
composite.setServletContext(this.servletContext);
}

20
spring-webmvc/src/test/java/org/springframework/web/servlet/config/annotation/ContentNegotiationConfigurerTests.java
View File

@ -13,6 +13,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.servlet.config.annotation;
import java.util.Arrays;
@ -28,7 +29,7 @@ import org.springframework.web.accept.FixedContentNegotiationStrategy;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.context.request.ServletWebRequest;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.*;
/**
* Test fixture for {@link ContentNegotiationConfigurer} tests.
@ -42,6 +43,7 @@ public class ContentNegotiationConfigurerTests {
private MockHttpServletRequest servletRequest;
@Before
public void setup() {
this.servletRequest = new MockHttpServletRequest();
@ -49,9 +51,10 @@ public class ContentNegotiationConfigurerTests {
this.configurer = new ContentNegotiationConfigurer(this.servletRequest.getServletContext());
}
@Test
public void defaultSettings() throws Exception {
ContentNegotiationManager manager = this.configurer.getContentNegotiationManager();
ContentNegotiationManager manager = this.configurer.buildContentNegotiationManager();
this.servletRequest.setRequestURI("/flower.gif");
@ -74,7 +77,7 @@ public class ContentNegotiationConfigurerTests {
@Test
public void addMediaTypes() throws Exception {
this.configurer.mediaTypes(Collections.singletonMap("json", MediaType.APPLICATION_JSON));
ContentNegotiationManager manager = this.configurer.getContentNegotiationManager();
ContentNegotiationManager manager = this.configurer.buildContentNegotiationManager();
this.servletRequest.setRequestURI("/flower.json");
assertEquals(MediaType.APPLICATION_JSON, manager.resolveMediaTypes(this.webRequest).get(0));
@ -85,7 +88,7 @@ public class ContentNegotiationConfigurerTests {
this.configurer.favorParameter(true);
this.configurer.parameterName("f");
this.configurer.mediaTypes(Collections.singletonMap("json", MediaType.APPLICATION_JSON));
ContentNegotiationManager manager = this.configurer.getContentNegotiationManager();
ContentNegotiationManager manager = this.configurer.buildContentNegotiationManager();
this.servletRequest.setRequestURI("/flower");
this.servletRequest.addParameter("f", "json");
@ -96,7 +99,7 @@ public class ContentNegotiationConfigurerTests {
@Test
public void ignoreAcceptHeader() throws Exception {
this.configurer.ignoreAcceptHeader(true);
ContentNegotiationManager manager = this.configurer.getContentNegotiationManager();
ContentNegotiationManager manager = this.configurer.buildContentNegotiationManager();
this.servletRequest.setRequestURI("/flower");
this.servletRequest.addHeader("Accept", MediaType.IMAGE_GIF_VALUE);
@ -107,7 +110,7 @@ public class ContentNegotiationConfigurerTests {
@Test
public void setDefaultContentType() throws Exception {
this.configurer.defaultContentType(MediaType.APPLICATION_JSON);
ContentNegotiationManager manager = this.configurer.getContentNegotiationManager();
ContentNegotiationManager manager = this.configurer.buildContentNegotiationManager();
assertEquals(MediaType.APPLICATION_JSON, manager.resolveMediaTypes(this.webRequest).get(0));
}
@ -115,7 +118,7 @@ public class ContentNegotiationConfigurerTests {
@Test
public void setMultipleDefaultContentTypes() throws Exception {
this.configurer.defaultContentType(MediaType.APPLICATION_JSON, MediaType.ALL);
ContentNegotiationManager manager = this.configurer.getContentNegotiationManager();
ContentNegotiationManager manager = this.configurer.buildContentNegotiationManager();
assertEquals(Arrays.asList(MediaType.APPLICATION_JSON, MediaType.ALL), manager.resolveMediaTypes(this.webRequest));
}
@ -123,8 +126,9 @@ public class ContentNegotiationConfigurerTests {
@Test
public void setDefaultContentTypeStrategy() throws Exception {
this.configurer.defaultContentTypeStrategy(new FixedContentNegotiationStrategy(MediaType.APPLICATION_JSON));
ContentNegotiationManager manager = this.configurer.getContentNegotiationManager();
ContentNegotiationManager manager = this.configurer.buildContentNegotiationManager();
assertEquals(MediaType.APPLICATION_JSON, manager.resolveMediaTypes(this.webRequest).get(0));
}
}

19
spring-webmvc/src/test/java/org/springframework/web/servlet/config/annotation/DefaultServletHandlerConfigurerTests.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2012 the original author or authors.
* Copyright 2002-2017 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.
@ -43,23 +43,25 @@ public class DefaultServletHandlerConfigurerTests {
private MockHttpServletResponse response;
@Before
public void setUp() {
public void setup() {
response = new MockHttpServletResponse();
servletContext = new DispatchingMockServletContext();
configurer = new DefaultServletHandlerConfigurer(servletContext);
}
@Test
public void notEnabled() {
assertNull(configurer.getHandlerMapping());
assertNull(configurer.buildHandlerMapping());
}
@Test
public void enable() throws Exception {
configurer.enable();
SimpleUrlHandlerMapping getHandlerMapping = getHandlerMapping();
SimpleUrlHandlerMapping handlerMapping = getHandlerMapping;
SimpleUrlHandlerMapping getHandlerMapping = configurer.buildHandlerMapping();
SimpleUrlHandlerMapping handlerMapping = configurer.buildHandlerMapping();
DefaultServletHttpRequestHandler handler = (DefaultServletHttpRequestHandler) handlerMapping.getUrlMap().get("/**");
assertNotNull(handler);
@ -75,7 +77,7 @@ public class DefaultServletHandlerConfigurerTests {
@Test
public void enableWithServletName() throws Exception {
configurer.enable("defaultServlet");
SimpleUrlHandlerMapping handlerMapping = getHandlerMapping();
SimpleUrlHandlerMapping handlerMapping = configurer.buildHandlerMapping();
DefaultServletHttpRequestHandler handler = (DefaultServletHttpRequestHandler) handlerMapping.getUrlMap().get("/**");
assertNotNull(handler);
@ -88,6 +90,7 @@ public class DefaultServletHandlerConfigurerTests {
assertEquals("The request was not forwarded", expected, response.getForwardedUrl());
}
private static class DispatchingMockServletContext extends MockServletContext {
private String url;
@ -99,8 +102,4 @@ public class DefaultServletHandlerConfigurerTests {
}
}
private SimpleUrlHandlerMapping getHandlerMapping() {
return (SimpleUrlHandlerMapping) configurer.getHandlerMapping();
}
}

22
spring-webmvc/src/test/java/org/springframework/web/servlet/config/annotation/ViewControllerRegistryTests.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2017 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.
@ -47,16 +47,16 @@ public class ViewControllerRegistryTests {
@Before
public void setUp() {
this.registry = new ViewControllerRegistry();
this.registry.setApplicationContext(new StaticApplicationContext());
public void setup() {
this.registry = new ViewControllerRegistry(new StaticApplicationContext());
this.request = new MockHttpServletRequest("GET", "/");
this.response = new MockHttpServletResponse();
}
@Test
public void noViewControllers() throws Exception {
assertNull(this.registry.getHandlerMapping());
public void noViewControllers() {
assertNull(this.registry.buildHandlerMapping());
}
@Test
@ -125,17 +125,17 @@ public class ViewControllerRegistryTests {
@Test
public void order() {
this.registry.addViewController("/path");
SimpleUrlHandlerMapping handlerMapping = getHandlerMapping();
SimpleUrlHandlerMapping handlerMapping = this.registry.buildHandlerMapping();
assertEquals(1, handlerMapping.getOrder());
this.registry.setOrder(2);
handlerMapping = getHandlerMapping();
handlerMapping = this.registry.buildHandlerMapping();
assertEquals(2, handlerMapping.getOrder());
}
private ParameterizableViewController getController(String path) {
Map<String, ?> urlMap = getHandlerMapping().getUrlMap();
Map<String, ?> urlMap = this.registry.buildHandlerMapping().getUrlMap();
ParameterizableViewController controller = (ParameterizableViewController) urlMap.get(path);
assertNotNull(controller);
return controller;
@ -149,8 +149,4 @@ public class ViewControllerRegistryTests {
return (RedirectView) controller.getView();
}
private SimpleUrlHandlerMapping getHandlerMapping() {
return (SimpleUrlHandlerMapping) this.registry.getHandlerMapping();
}
}

9
spring-webmvc/src/test/java/org/springframework/web/servlet/config/annotation/ViewResolverRegistryTests.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2017 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.
@ -54,15 +54,14 @@ public class ViewResolverRegistryTests {
@Before
public void setUp() {
public void setup() {
StaticWebApplicationContext context = new StaticWebApplicationContext();
context.registerSingleton("freeMarkerConfigurer", FreeMarkerConfigurer.class);
context.registerSingleton("tilesConfigurer", TilesConfigurer.class);
context.registerSingleton("groovyMarkupConfigurer", GroovyMarkupConfigurer.class);
context.registerSingleton("scriptTemplateConfigurer", ScriptTemplateConfigurer.class);
this.registry = new ViewResolverRegistry();
this.registry.setApplicationContext(context);
this.registry.setContentNegotiationManager(new ContentNegotiationManager());
this.registry = new ViewResolverRegistry(new ContentNegotiationManager(), context);
}