Java ModelAndViewContainer.addAllAttributes方法代码示例

import org.springframework.web.method.support.ModelAndViewContainer; //导入方法依赖的package包/类
@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public void handleReturnValue(
		Object returnValue, MethodParameter returnType,
		ModelAndViewContainer mavContainer, NativeWebRequest webRequest)
		throws Exception {

	if (returnValue == null) {
		return;
	}
	else if (returnValue instanceof Map){
		mavContainer.addAllAttributes((Map) returnValue);
	}
	else {
		// should not happen
		throw new UnsupportedOperationException("Unexpected return type: " +
				returnType.getParameterType().getName() + " in method: " + returnType.getMethod());
	}
}
 

import org.springframework.web.method.support.ModelAndViewContainer; //导入方法依赖的package包/类
@Override
public void handleReturnValue(
		Object returnValue, MethodParameter returnType,
		ModelAndViewContainer mavContainer, NativeWebRequest webRequest)
		throws Exception {

	if (returnValue == null) {
		return;
	}
	else if (returnValue instanceof Model) {
		mavContainer.addAllAttributes(((Model) returnValue).asMap());
	}
	else {
		// should not happen
		throw new UnsupportedOperationException("Unexpected return type: " +
				returnType.getParameterType().getName() + " in method: " + returnType.getMethod());
	}
}
 

import org.springframework.web.method.support.ModelAndViewContainer; //导入方法依赖的package包/类
/**
 * Resolve the argument from the model or if not found instantiate it with
 * its default if it is available. The model attribute is then populated
 * with request values via data binding and optionally validated
 * if {@code @java.validation.Valid} is present on the argument.
 * @throws BindException if data binding and validation result in an error
 * and the next method parameter is not of type {@link Errors}.
 * @throws Exception if WebDataBinder initialization fails.
 */
@Override
public final Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
		NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {

	String name = ModelFactory.getNameForParameter(parameter);
	Object attribute = (mavContainer.containsAttribute(name) ?
			mavContainer.getModel().get(name) : createAttribute(name, parameter, binderFactory, webRequest));

	WebDataBinder binder = binderFactory.createBinder(webRequest, attribute, name);
	if (binder.getTarget() != null) {
		bindRequestParameters(binder, webRequest);
		validateIfApplicable(binder, parameter);
		if (binder.getBindingResult().hasErrors() && isBindExceptionRequired(binder, parameter)) {
			throw new BindException(binder.getBindingResult());
		}
	}

	// Add resolved attribute and BindingResult at the end of the model
	Map<String, Object> bindingResultModel = binder.getBindingResult().getModel();
	mavContainer.removeAttributes(bindingResultModel);
	mavContainer.addAllAttributes(bindingResultModel);

	return binder.convertIfNecessary(binder.getTarget(), parameter.getParameterType(), parameter);
}
 

import org.springframework.web.method.support.ModelAndViewContainer; //导入方法依赖的package包/类
@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public void handleReturnValue(Object returnValue, MethodParameter returnType,
		ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {

	if (returnValue == null) {
		return;
	}
	else if (returnValue instanceof Map){
		mavContainer.addAllAttributes((Map) returnValue);
	}
	else {
		// should not happen
		throw new UnsupportedOperationException("Unexpected return type: " +
				returnType.getParameterType().getName() + " in method: " + returnType.getMethod());
	}
}
 

import org.springframework.web.method.support.ModelAndViewContainer; //导入方法依赖的package包/类
@Override
public void handleReturnValue(Object returnValue, MethodParameter returnType,
		ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {

	if (returnValue == null) {
		return;
	}
	else if (returnValue instanceof Model) {
		mavContainer.addAllAttributes(((Model) returnValue).asMap());
	}
	else {
		// should not happen
		throw new UnsupportedOperationException("Unexpected return type: " +
				returnType.getParameterType().getName() + " in method: " + returnType.getMethod());
	}
}
 

import org.springframework.web.method.support.ModelAndViewContainer; //导入方法依赖的package包/类
/**
 * Resolve the argument from the model or if not found instantiate it with
 * its default if it is available. The model attribute is then populated
 * with request values via data binding and optionally validated
 * if {@code @java.validation.Valid} is present on the argument.
 * @throws BindException if data binding and validation result in an error
 * and the next method parameter is not of type {@link Errors}.
 * @throws Exception if WebDataBinder initialization fails.
 */
@Override
public final Object resolveArgument(
		MethodParameter parameter, ModelAndViewContainer mavContainer,
		NativeWebRequest request, WebDataBinderFactory binderFactory)
		throws Exception {

	String name = ModelFactory.getNameForParameter(parameter);
	Object attribute = (mavContainer.containsAttribute(name)) ?
			mavContainer.getModel().get(name) : createAttribute(name, parameter, binderFactory, request);

	WebDataBinder binder = binderFactory.createBinder(request, attribute, name);
	if (binder.getTarget() != null) {
		bindRequestParameters(binder, request);
		validateIfApplicable(binder, parameter);
		if (binder.getBindingResult().hasErrors()) {
			if (isBindExceptionRequired(binder, parameter)) {
				throw new BindException(binder.getBindingResult());
			}
		}
	}

	// Add resolved attribute and BindingResult at the end of the model

	Map<String, Object> bindingResultModel = binder.getBindingResult().getModel();
	mavContainer.removeAttributes(bindingResultModel);
	mavContainer.addAllAttributes(bindingResultModel);

	return binder.getTarget();
}
 

import org.springframework.web.method.support.ModelAndViewContainer; //导入方法依赖的package包/类
@Override
public void handleReturnValue(Object returnValue, MethodParameter returnType,
		ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {

	if (returnValue == null) {
		mavContainer.setRequestHandled(true);
		return;
	}

	ModelAndView mav = (ModelAndView) returnValue;
	if (mav.isReference()) {
		String viewName = mav.getViewName();
		mavContainer.setViewName(viewName);
		if (viewName != null && isRedirectViewName(viewName)) {
			mavContainer.setRedirectModelScenario(true);
		}
	}
	else {
		View view = mav.getView();
		mavContainer.setView(view);
		if (view instanceof SmartView) {
			if (((SmartView) view).isRedirectView()) {
				mavContainer.setRedirectModelScenario(true);
			}
		}
	}
	mavContainer.addAllAttributes(mav.getModel());
}
 

import org.springframework.web.method.support.ModelAndViewContainer; //导入方法依赖的package包/类
@Override
public void handleReturnValue(Object returnValue, MethodParameter returnType,
		ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {

	if (this.mavResolvers != null) {
		for (ModelAndViewResolver mavResolver : this.mavResolvers) {
			Class<?> handlerType = returnType.getContainingClass();
			Method method = returnType.getMethod();
			ExtendedModelMap model = (ExtendedModelMap) mavContainer.getModel();
			ModelAndView mav = mavResolver.resolveModelAndView(method, handlerType, returnValue, model, webRequest);
			if (mav != ModelAndViewResolver.UNRESOLVED) {
				mavContainer.addAllAttributes(mav.getModel());
				mavContainer.setViewName(mav.getViewName());
				if (!mav.isReference()) {
					mavContainer.setView(mav.getView());
				}
				return;
			}
		}
	}

	// No suitable ModelAndViewResolver...
	if (this.modelAttributeProcessor.supportsReturnType(returnType)) {
		this.modelAttributeProcessor.handleReturnValue(returnValue, returnType, mavContainer, webRequest);
	}
	else {
		throw new UnsupportedOperationException("Unexpected return type: " +
				returnType.getParameterType().getName() + " in method: " + returnType.getMethod());
	}
}
 

import org.springframework.web.method.support.ModelAndViewContainer; //导入方法依赖的package包/类
@Test
public void bindingResult() throws Exception {
	ModelAndViewContainer mavContainer = new ModelAndViewContainer();
	mavContainer.addAttribute("ignore1", "value1");
	mavContainer.addAttribute("ignore2", "value2");
	mavContainer.addAttribute("ignore3", "value3");
	mavContainer.addAttribute("ignore4", "value4");
	mavContainer.addAttribute("ignore5", "value5");
	mavContainer.addAllAttributes(bindingResult.getModel());

	Object actual = resolver.resolveArgument(paramErrors, mavContainer, webRequest, null);

	assertSame(actual, bindingResult);
}
 

import org.springframework.web.method.support.ModelAndViewContainer; //导入方法依赖的package包/类
@Test(expected=IllegalStateException.class)
public void bindingResultNotFound() throws Exception {
	ModelAndViewContainer mavContainer = new ModelAndViewContainer();
	mavContainer.addAllAttributes(bindingResult.getModel());
	mavContainer.addAttribute("ignore1", "value1");

	resolver.resolveArgument(paramErrors, mavContainer, webRequest, null);
}
 

import org.springframework.web.method.support.ModelAndViewContainer; //导入方法依赖的package包/类
@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
		NativeWebRequest request, WebDataBinderFactory binderFactory) throws Exception {
	
	String name = ModelFactory.getNameForParameter(parameter);
	Object attribute = (mavContainer.containsAttribute(name)) ?
			mavContainer.getModel().get(name) : createAttribute(name, parameter, binderFactory, request);

	WebDataBinder binder = binderFactory.createBinder(request, attribute, name);
	if (binder.getTarget() != null) {
		//XXX: thinking 增加一个参数MethodParameter方便使用注解
		bindRequestParameters(binder, request,parameter);
		validateIfApplicable(binder, parameter);
		if (binder.getBindingResult().hasErrors()) {
			if (isBindExceptionRequired(binder, parameter)) {
				throw new BindException(binder.getBindingResult());
			}
		}
	}

	// Add resolved attribute and BindingResult at the end of the model

	Map<String, Object> bindingResultModel = binder.getBindingResult().getModel();
	mavContainer.removeAttributes(bindingResultModel);
	mavContainer.addAllAttributes(bindingResultModel);

	return binder.getTarget();
	
}