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/*
* Copyright 2002-2020 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.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.servlet.mvc.method.annotation;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ConcurrentHashMap;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.config.ConfigurableBeanFactory;
import org.springframework.core.DefaultParameterNameDiscoverer;
import org.springframework.core.MethodIntrospector;
import org.springframework.core.ParameterNameDiscoverer;
import org.springframework.core.ReactiveAdapterRegistry;
import org.springframework.core.annotation.AnnotatedElementUtils;
import org.springframework.core.log.LogFormatUtils;
import org.springframework.core.task.AsyncTaskExecutor;
import org.springframework.core.task.SimpleAsyncTaskExecutor;
import org.springframework.http.converter.ByteArrayHttpMessageConverter;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.http.converter.support.AllEncompassingFormHttpMessageConverter;
import org.springframework.http.converter.xml.SourceHttpMessageConverter;
import org.springframework.lang.Nullable;
import org.springframework.ui.ModelMap;
import org.springframework.util.CollectionUtils;
import org.springframework.util.ReflectionUtils.MethodFilter;
import org.springframework.web.accept.ContentNegotiationManager;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.support.DefaultDataBinderFactory;
import org.springframework.web.bind.support.DefaultSessionAttributeStore;
import org.springframework.web.bind.support.SessionAttributeStore;
import org.springframework.web.bind.support.WebBindingInitializer;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.context.request.ServletWebRequest;
import org.springframework.web.context.request.WebRequest;
import org.springframework.web.context.request.async.AsyncWebRequest;
import org.springframework.web.context.request.async.CallableProcessingInterceptor;
import org.springframework.web.context.request.async.DeferredResultProcessingInterceptor;
import org.springframework.web.context.request.async.WebAsyncManager;
import org.springframework.web.context.request.async.WebAsyncTask;
import org.springframework.web.context.request.async.WebAsyncUtils;
import org.springframework.web.method.ControllerAdviceBean;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.method.annotation.ErrorsMethodArgumentResolver;
import org.springframework.web.method.annotation.ExpressionValueMethodArgumentResolver;
import org.springframework.web.method.annotation.InitBinderDataBinderFactory;
import org.springframework.web.method.annotation.MapMethodProcessor;
import org.springframework.web.method.annotation.ModelAttributeMethodProcessor;
import org.springframework.web.method.annotation.ModelFactory;
import org.springframework.web.method.annotation.ModelMethodProcessor;
import org.springframework.web.method.annotation.RequestHeaderMapMethodArgumentResolver;
import org.springframework.web.method.annotation.RequestHeaderMethodArgumentResolver;
import org.springframework.web.method.annotation.RequestParamMapMethodArgumentResolver;
import org.springframework.web.method.annotation.RequestParamMethodArgumentResolver;
import org.springframework.web.method.annotation.SessionAttributesHandler;
import org.springframework.web.method.annotation.SessionStatusMethodArgumentResolver;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.HandlerMethodArgumentResolverComposite;
import org.springframework.web.method.support.HandlerMethodReturnValueHandler;
import org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite;
import org.springframework.web.method.support.InvocableHandlerMethod;
import org.springframework.web.method.support.ModelAndViewContainer;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.View;
import org.springframework.web.servlet.mvc.annotation.ModelAndViewResolver;
import org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import org.springframework.web.servlet.support.RequestContextUtils;
import org.springframework.web.util.WebUtils;
/**
* Extension of {@link AbstractHandlerMethodAdapter} that supports
* {@link RequestMapping @RequestMapping} annotated {@link HandlerMethod HandlerMethods}.
*
*
Support for custom argument and return value types can be added via
* {@link #setCustomArgumentResolvers} and {@link #setCustomReturnValueHandlers},
* or alternatively, to re-configure all argument and return value types,
* use {@link #setArgumentResolvers} and {@link #setReturnValueHandlers}.
*
* @author Rossen Stoyanchev
* @author Juergen Hoeller
* @since 3.1
* @see HandlerMethodArgumentResolver
* @see HandlerMethodReturnValueHandler
*/
public class RequestMappingHandlerAdapter extends AbstractHandlerMethodAdapter
implements BeanFactoryAware, InitializingBean {
/**
* MethodFilter that matches {@link InitBinder @InitBinder} methods.
*/
public static final MethodFilter INIT_BINDER_METHODS = method ->
AnnotatedElementUtils.hasAnnotation(method, InitBinder.class);
/**
* MethodFilter that matches {@link ModelAttribute @ModelAttribute} methods.
*/
public static final MethodFilter MODEL_ATTRIBUTE_METHODS = method ->
(!AnnotatedElementUtils.hasAnnotation(method, RequestMapping.class) &&
AnnotatedElementUtils.hasAnnotation(method, ModelAttribute.class));
@Nullable
private List customArgumentResolvers;
@Nullable
private HandlerMethodArgumentResolverComposite argumentResolvers;
@Nullable
private HandlerMethodArgumentResolverComposite initBinderArgumentResolvers;
@Nullable
private List customReturnValueHandlers;
@Nullable
private HandlerMethodReturnValueHandlerComposite returnValueHandlers;
@Nullable
private List modelAndViewResolvers;
private ContentNegotiationManager contentNegotiationManager = new ContentNegotiationManager();
private List> messageConverters;
private final List