Java Code Examples for org.springframework.web.method.support.ModelAndViewContainer#getModel()

The following examples show how to use org.springframework.web.method.support.ModelAndViewContainer#getModel() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: RequestMappingHandlerAdapter.java    From spring-analysis-note with MIT License 6 votes vote down vote up 
@Nullable
private ModelAndView getModelAndView(ModelAndViewContainer mavContainer,
		ModelFactory modelFactory, NativeWebRequest webRequest) throws Exception {

	modelFactory.updateModel(webRequest, mavContainer);
	if (mavContainer.isRequestHandled()) {
		return null;
	}
	ModelMap model = mavContainer.getModel();
	ModelAndView mav = new ModelAndView(mavContainer.getViewName(), model, mavContainer.getStatus());
	if (!mavContainer.isViewReference()) {
		mav.setView((View) mavContainer.getView());
	}
	if (model instanceof RedirectAttributes) {
		Map<String, ?> flashAttributes = ((RedirectAttributes) model).getFlashAttributes();
		HttpServletRequest request = webRequest.getNativeRequest(HttpServletRequest.class);
		if (request != null) {
			RequestContextUtils.getOutputFlashMap(request).putAll(flashAttributes);
		}
	}
	return mav;
}
Example 2
Source File: ErrorsMethodArgumentResolver.java    From spring-analysis-note with MIT License 6 votes vote down vote up 
@Override
@Nullable
public Object resolveArgument(MethodParameter parameter,
		@Nullable ModelAndViewContainer mavContainer, NativeWebRequest webRequest,
		@Nullable WebDataBinderFactory binderFactory) throws Exception {

	Assert.state(mavContainer != null,
			"Errors/BindingResult argument only supported on regular handler methods");

	ModelMap model = mavContainer.getModel();
	String lastKey = CollectionUtils.lastElement(model.keySet());
	if (lastKey != null && lastKey.startsWith(BindingResult.MODEL_KEY_PREFIX)) {
		return model.get(lastKey);
	}

	throw new IllegalStateException(
			"An Errors/BindingResult argument is expected to be declared immediately after " +
			"the model attribute, the @RequestBody or the @RequestPart arguments " +
			"to which they apply: " + parameter.getMethod());
}
Example 3
Source File: RequestMappingHandlerAdapter.java    From lams with GNU General Public License v2.0 6 votes vote down vote up 
private ModelAndView getModelAndView(ModelAndViewContainer mavContainer,
		ModelFactory modelFactory, NativeWebRequest webRequest) throws Exception {

	modelFactory.updateModel(webRequest, mavContainer);
	if (mavContainer.isRequestHandled()) {
		return null;
	}
	ModelMap model = mavContainer.getModel();
	ModelAndView mav = new ModelAndView(mavContainer.getViewName(), model, mavContainer.getStatus());
	if (!mavContainer.isViewReference()) {
		mav.setView((View) mavContainer.getView());
	}
	if (model instanceof RedirectAttributes) {
		Map<String, ?> flashAttributes = ((RedirectAttributes) model).getFlashAttributes();
		HttpServletRequest request = webRequest.getNativeRequest(HttpServletRequest.class);
		RequestContextUtils.getOutputFlashMap(request).putAll(flashAttributes);
	}
	return mav;
}
Example 4
Source File: HttpEntityMethodProcessor.java    From java-technology-stack with MIT License 6 votes vote down vote up 
private void saveFlashAttributes(ModelAndViewContainer mav, NativeWebRequest request, String location) {
	mav.setRedirectModelScenario(true);
	ModelMap model = mav.getModel();
	if (model instanceof RedirectAttributes) {
		Map<String, ?> flashAttributes = ((RedirectAttributes) model).getFlashAttributes();
		if (!CollectionUtils.isEmpty(flashAttributes)) {
			HttpServletRequest req = request.getNativeRequest(HttpServletRequest.class);
			HttpServletResponse res = request.getNativeResponse(HttpServletResponse.class);
			if (req != null) {
				RequestContextUtils.getOutputFlashMap(req).putAll(flashAttributes);
				if (res != null) {
					RequestContextUtils.saveOutputFlashMap(location, req, res);
				}
			}
		}
	}
}
Example 5
Source File: ErrorsMethodArgumentResolver.java    From java-technology-stack with MIT License 6 votes vote down vote up 
@Override
@Nullable
public Object resolveArgument(MethodParameter parameter,
		@Nullable ModelAndViewContainer mavContainer, NativeWebRequest webRequest,
		@Nullable WebDataBinderFactory binderFactory) throws Exception {

	Assert.state(mavContainer != null,
			"Errors/BindingResult argument only supported on regular handler methods");

	ModelMap model = mavContainer.getModel();
	String lastKey = CollectionUtils.lastElement(model.keySet());
	if (lastKey != null && lastKey.startsWith(BindingResult.MODEL_KEY_PREFIX)) {
		return model.get(lastKey);
	}

	throw new IllegalStateException(
			"An Errors/BindingResult argument is expected to be declared immediately after " +
			"the model attribute, the @RequestBody or the @RequestPart arguments " +
			"to which they apply: " + parameter.getMethod());
}
Example 6
Source File: ErrorsMethodArgumentResolver.java    From spring4-understanding with Apache License 2.0 6 votes vote down vote up 
@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
		NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {

	ModelMap model = mavContainer.getModel();
	if (model.size() > 0) {
		int lastIndex = model.size()-1;
		String lastKey = new ArrayList<String>(model.keySet()).get(lastIndex);
		if (lastKey.startsWith(BindingResult.MODEL_KEY_PREFIX)) {
			return model.get(lastKey);
		}
	}

	throw new IllegalStateException(
			"An Errors/BindingResult argument is expected to be declared immediately after the model attribute, " +
			"the @RequestBody or the @RequestPart arguments to which they apply: " + parameter.getMethod());
}
Example 7
Source File: ModelAndViewResolverMethodReturnValueHandler.java    From lams with GNU General Public License v2.0 5 votes vote down vote up 
@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());
	}
}
Example 8
Source File: ModelFactory.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
/**
 * Promote model attributes listed as {@code @SessionAttributes} to the session.
 * Add {@link BindingResult} attributes where necessary.
 * @param request the current request
 * @param container contains the model to update
 * @throws Exception if creating BindingResult attributes fails
 */
public void updateModel(NativeWebRequest request, ModelAndViewContainer container) throws Exception {
	ModelMap defaultModel = container.getDefaultModel();
	if (container.getSessionStatus().isComplete()){
		this.sessionAttributesHandler.cleanupAttributes(request);
	}
	else {
		this.sessionAttributesHandler.storeAttributes(request, defaultModel);
	}
	if (!container.isRequestHandled() && container.getModel() == defaultModel) {
		updateBindingResult(request, defaultModel);
	}
}
Example 9
Source File: ModelMethodProcessor.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@Override
@Nullable
public Object resolveArgument(MethodParameter parameter, @Nullable ModelAndViewContainer mavContainer,
		NativeWebRequest webRequest, @Nullable WebDataBinderFactory binderFactory) throws Exception {

	Assert.state(mavContainer != null, "ModelAndViewContainer is required for model exposure");
	return mavContainer.getModel();
}
Example 10
Source File: ModelAndViewResolverMethodReturnValueHandler.java    From spring4-understanding with Apache License 2.0 5 votes vote down vote up 
@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());
	}
}
Example 11
Source File: ModelFactory.java    From lams with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Promote model attributes listed as {@code @SessionAttributes} to the session.
 * Add {@link BindingResult} attributes where necessary.
 * @param request the current request
 * @param container contains the model to update
 * @throws Exception if creating BindingResult attributes fails
 */
public void updateModel(NativeWebRequest request, ModelAndViewContainer container) throws Exception {
	ModelMap defaultModel = container.getDefaultModel();
	if (container.getSessionStatus().isComplete()){
		this.sessionAttributesHandler.cleanupAttributes(request);
	}
	else {
		this.sessionAttributesHandler.storeAttributes(request, defaultModel);
	}
	if (!container.isRequestHandled() && container.getModel() == defaultModel) {
		updateBindingResult(request, defaultModel);
	}
}
Example 12
Source File: ModelAndViewResolverMethodReturnValueHandler.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Override
public void handleReturnValue(@Nullable 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();
			Assert.state(method != null, "No handler method");
			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());
	}
}
Example 13
Source File: MapMethodProcessor.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Override
@Nullable
public Object resolveArgument(MethodParameter parameter, @Nullable ModelAndViewContainer mavContainer,
		NativeWebRequest webRequest, @Nullable WebDataBinderFactory binderFactory) throws Exception {

	Assert.state(mavContainer != null, "ModelAndViewContainer is required for model exposure");
	return mavContainer.getModel();
}
Example 14
Source File: ModelMethodProcessor.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Override
@Nullable
public Object resolveArgument(MethodParameter parameter, @Nullable ModelAndViewContainer mavContainer,
		NativeWebRequest webRequest, @Nullable WebDataBinderFactory binderFactory) throws Exception {

	Assert.state(mavContainer != null, "ModelAndViewContainer is required for model exposure");
	return mavContainer.getModel();
}
Example 15
Source File: ModelMethodProcessor.java    From spring4-understanding with Apache License 2.0 4 votes vote down vote up 
@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
		NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {

	return mavContainer.getModel();
}
Example 16
Source File: MapMethodProcessor.java    From spring4-understanding with Apache License 2.0 4 votes vote down vote up 
@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
		NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {

	return mavContainer.getModel();
}
Example 17
Source File: ExceptionHandlerExceptionResolver.java    From java-technology-stack with MIT License 4 votes vote down vote up 
/**
 * Find an {@code @ExceptionHandler} method and invoke it to handle the raised exception.
 */
@Override
@Nullable
protected ModelAndView doResolveHandlerMethodException(HttpServletRequest request,
		HttpServletResponse response, @Nullable HandlerMethod handlerMethod, Exception exception) {

	ServletInvocableHandlerMethod exceptionHandlerMethod = getExceptionHandlerMethod(handlerMethod, exception);
	if (exceptionHandlerMethod == null) {
		return null;
	}

	if (this.argumentResolvers != null) {
		exceptionHandlerMethod.setHandlerMethodArgumentResolvers(this.argumentResolvers);
	}
	if (this.returnValueHandlers != null) {
		exceptionHandlerMethod.setHandlerMethodReturnValueHandlers(this.returnValueHandlers);
	}

	ServletWebRequest webRequest = new ServletWebRequest(request, response);
	ModelAndViewContainer mavContainer = new ModelAndViewContainer();

	try {
		if (logger.isDebugEnabled()) {
			logger.debug("Using @ExceptionHandler " + exceptionHandlerMethod);
		}
		Throwable cause = exception.getCause();
		if (cause != null) {
			// Expose cause as provided argument as well
			exceptionHandlerMethod.invokeAndHandle(webRequest, mavContainer, exception, cause, handlerMethod);
		}
		else {
			// Otherwise, just the given exception as-is
			exceptionHandlerMethod.invokeAndHandle(webRequest, mavContainer, exception, handlerMethod);
		}
	}
	catch (Throwable invocationEx) {
		// Any other than the original exception is unintended here,
		// probably an accident (e.g. failed assertion or the like).
		if (invocationEx != exception && logger.isWarnEnabled()) {
			logger.warn("Failure in @ExceptionHandler " + exceptionHandlerMethod, invocationEx);
		}
		// Continue with default processing of the original exception...
		return null;
	}

	if (mavContainer.isRequestHandled()) {
		return new ModelAndView();
	}
	else {
		ModelMap model = mavContainer.getModel();
		HttpStatus status = mavContainer.getStatus();
		ModelAndView mav = new ModelAndView(mavContainer.getViewName(), model, status);
		mav.setViewName(mavContainer.getViewName());
		if (!mavContainer.isViewReference()) {
			mav.setView((View) mavContainer.getView());
		}
		if (model instanceof RedirectAttributes) {
			Map<String, ?> flashAttributes = ((RedirectAttributes) model).getFlashAttributes();
			RequestContextUtils.getOutputFlashMap(request).putAll(flashAttributes);
		}
		return mav;
	}
}
Example 18
Source File: MapMethodProcessor.java    From lams with GNU General Public License v2.0 4 votes vote down vote up 
@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
		NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {

	return mavContainer.getModel();
}
Example 19
Source File: ModelMethodProcessor.java    From lams with GNU General Public License v2.0 4 votes vote down vote up 
@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
		NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {

	return mavContainer.getModel();
}
Example 20
Source File: ExceptionHandlerExceptionResolver.java    From spring-analysis-note with MIT License 4 votes vote down vote up 
/**
 * Find an {@code @ExceptionHandler} method and invoke it to handle the raised exception.
 */
@Override
@Nullable
protected ModelAndView doResolveHandlerMethodException(HttpServletRequest request,
		HttpServletResponse response, @Nullable HandlerMethod handlerMethod, Exception exception) {

	ServletInvocableHandlerMethod exceptionHandlerMethod = getExceptionHandlerMethod(handlerMethod, exception);
	if (exceptionHandlerMethod == null) {
		return null;
	}

	if (this.argumentResolvers != null) {
		exceptionHandlerMethod.setHandlerMethodArgumentResolvers(this.argumentResolvers);
	}
	if (this.returnValueHandlers != null) {
		exceptionHandlerMethod.setHandlerMethodReturnValueHandlers(this.returnValueHandlers);
	}

	ServletWebRequest webRequest = new ServletWebRequest(request, response);
	ModelAndViewContainer mavContainer = new ModelAndViewContainer();

	try {
		if (logger.isDebugEnabled()) {
			logger.debug("Using @ExceptionHandler " + exceptionHandlerMethod);
		}
		Throwable cause = exception.getCause();
		if (cause != null) {
			// Expose cause as provided argument as well
			exceptionHandlerMethod.invokeAndHandle(webRequest, mavContainer, exception, cause, handlerMethod);
		}
		else {
			// Otherwise, just the given exception as-is
			exceptionHandlerMethod.invokeAndHandle(webRequest, mavContainer, exception, handlerMethod);
		}
	}
	catch (Throwable invocationEx) {
		// Any other than the original exception is unintended here,
		// probably an accident (e.g. failed assertion or the like).
		if (invocationEx != exception && logger.isWarnEnabled()) {
			logger.warn("Failure in @ExceptionHandler " + exceptionHandlerMethod, invocationEx);
		}
		// Continue with default processing of the original exception...
		return null;
	}

	if (mavContainer.isRequestHandled()) {
		return new ModelAndView();
	}
	else {
		ModelMap model = mavContainer.getModel();
		HttpStatus status = mavContainer.getStatus();
		ModelAndView mav = new ModelAndView(mavContainer.getViewName(), model, status);
		mav.setViewName(mavContainer.getViewName());
		if (!mavContainer.isViewReference()) {
			mav.setView((View) mavContainer.getView());
		}
		if (model instanceof RedirectAttributes) {
			Map<String, ?> flashAttributes = ((RedirectAttributes) model).getFlashAttributes();
			RequestContextUtils.getOutputFlashMap(request).putAll(flashAttributes);
		}
		return mav;
	}
}