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

@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;
}
 

@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;
}
 

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;
}
 

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);
	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;
}
 

/**
 * Invoke the method and handle the return value through one of the
 * configured {@link HandlerMethodReturnValueHandler HandlerMethodReturnValueHandlers}.
 * @param webRequest the current request
 * @param mavContainer the ModelAndViewContainer for this request
 * @param providedArgs "given" arguments matched by type (not resolved)
 */
public void invokeAndHandle(ServletWebRequest webRequest, ModelAndViewContainer mavContainer,
		Object... providedArgs) throws Exception {

	Object returnValue = invokeForRequest(webRequest, mavContainer, providedArgs);
	setResponseStatus(webRequest);

	if (returnValue == null) {
		if (isRequestNotModified(webRequest) || getResponseStatus() != null || mavContainer.isRequestHandled()) {
			disableContentCachingIfNecessary(webRequest);
			mavContainer.setRequestHandled(true);
			return;
		}
	}
	else if (StringUtils.hasText(getResponseStatusReason())) {
		mavContainer.setRequestHandled(true);
		return;
	}

	mavContainer.setRequestHandled(false);
	Assert.state(this.returnValueHandlers != null, "No return value handlers");
	try {
		this.returnValueHandlers.handleReturnValue(
				returnValue, getReturnValueType(returnValue), mavContainer, webRequest);
	}
	catch (Exception ex) {
		if (logger.isTraceEnabled()) {
			logger.trace(formatErrorForReturnValue(returnValue), ex);
		}
		throw ex;
	}
}
 

/**
 * 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);
	}
}
 

/**
 * Invoke the method and handle the return value through one of the
 * configured {@link HandlerMethodReturnValueHandler HandlerMethodReturnValueHandlers}.
 * @param webRequest the current request
 * @param mavContainer the ModelAndViewContainer for this request
 * @param providedArgs "given" arguments matched by type (not resolved)
 */
public void invokeAndHandle(ServletWebRequest webRequest, ModelAndViewContainer mavContainer,
		Object... providedArgs) throws Exception {

	Object returnValue = invokeForRequest(webRequest, mavContainer, providedArgs);
	setResponseStatus(webRequest);

	if (returnValue == null) {
		if (isRequestNotModified(webRequest) || getResponseStatus() != null || mavContainer.isRequestHandled()) {
			mavContainer.setRequestHandled(true);
			return;
		}
	}
	else if (StringUtils.hasText(getResponseStatusReason())) {
		mavContainer.setRequestHandled(true);
		return;
	}

	mavContainer.setRequestHandled(false);
	Assert.state(this.returnValueHandlers != null, "No return value handlers");
	try {
		this.returnValueHandlers.handleReturnValue(
				returnValue, getReturnValueType(returnValue), mavContainer, webRequest);
	}
	catch (Exception ex) {
		if (logger.isTraceEnabled()) {
			logger.trace(formatErrorForReturnValue(returnValue), ex);
		}
		throw ex;
	}
}
 

/**
 * 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);
	}
}
 

/**
 * Invoke the method and handle the return value through one of the
 * configured {@link HandlerMethodReturnValueHandler}s.
 * @param webRequest the current request
 * @param mavContainer the ModelAndViewContainer for this request
 * @param providedArgs "given" arguments matched by type (not resolved)
 */
public void invokeAndHandle(ServletWebRequest webRequest, ModelAndViewContainer mavContainer,
		Object... providedArgs) throws Exception {

	Object returnValue = invokeForRequest(webRequest, mavContainer, providedArgs);
	setResponseStatus(webRequest);

	if (returnValue == null) {
		if (isRequestNotModified(webRequest) || getResponseStatus() != null || mavContainer.isRequestHandled()) {
			mavContainer.setRequestHandled(true);
			return;
		}
	}
	else if (StringUtils.hasText(getResponseStatusReason())) {
		mavContainer.setRequestHandled(true);
		return;
	}

	mavContainer.setRequestHandled(false);
	try {
		this.returnValueHandlers.handleReturnValue(
				returnValue, getReturnValueType(returnValue), mavContainer, webRequest);
	}
	catch (Exception ex) {
		if (logger.isTraceEnabled()) {
			logger.trace(getReturnValueHandlingErrorMessage("Error handling return value", returnValue), ex);
		}
		throw ex;
	}
}
 

/**
 * 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);
	}
}
 

/**
 * Invokes the method and handles the return value through one of the
 * configured {@link HandlerMethodReturnValueHandler}s.
 * @param webRequest the current request
 * @param mavContainer the ModelAndViewContainer for this request
 * @param providedArgs "given" arguments matched by type (not resolved)
 */
public void invokeAndHandle(ServletWebRequest webRequest,
		ModelAndViewContainer mavContainer, Object... providedArgs) throws Exception {

	Object returnValue = invokeForRequest(webRequest, mavContainer, providedArgs);
	setResponseStatus(webRequest);

	if (returnValue == null) {
		if (isRequestNotModified(webRequest) || hasResponseStatus() || mavContainer.isRequestHandled()) {
			mavContainer.setRequestHandled(true);
			return;
		}
	}
	else if (StringUtils.hasText(this.responseReason)) {
		mavContainer.setRequestHandled(true);
		return;
	}

	mavContainer.setRequestHandled(false);
	try {
		this.returnValueHandlers.handleReturnValue(
				returnValue, getReturnValueType(returnValue), mavContainer, webRequest);
	}
	catch (Exception ex) {
		if (logger.isTraceEnabled()) {
			logger.trace(getReturnValueHandlingErrorMessage("Error handling return value", returnValue), ex);
		}
		throw ex;
	}
}
 

/**
 * Promote model attributes listed as {@code @SessionAttributes} to the session.
 * Add {@link BindingResult} attributes where necessary.
 * @param request the current request
 * @param mavContainer contains the model to update
 * @throws Exception if creating BindingResult attributes fails
 */
public void updateModel(NativeWebRequest request, ModelAndViewContainer mavContainer) throws Exception {
	ModelMap defaultModel = mavContainer.getDefaultModel();
	if (mavContainer.getSessionStatus().isComplete()){
		this.sessionAttributesHandler.cleanupAttributes(request);
	}
	else {
		this.sessionAttributesHandler.storeAttributes(request, defaultModel);
	}
	if (!mavContainer.isRequestHandled() && mavContainer.getModel() == defaultModel) {
		updateBindingResult(request, defaultModel);
	}
}
 

/**
 * 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;
	}
}
 

/**
 * 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;
	}
}
 

/**
 * Find an {@code @ExceptionHandler} method and invoke it to handle the raised exception.
 */
@Override
protected ModelAndView doResolveHandlerMethodException(HttpServletRequest request,
		HttpServletResponse response, HandlerMethod handlerMethod, Exception exception) {

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

	exceptionHandlerMethod.setHandlerMethodArgumentResolvers(this.argumentResolvers);
	exceptionHandlerMethod.setHandlerMethodReturnValueHandlers(this.returnValueHandlers);

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

	try {
		if (logger.isDebugEnabled()) {
			logger.debug("Invoking @ExceptionHandler method: " + 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("Failed to invoke @ExceptionHandler method: " + 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();
			request = webRequest.getNativeRequest(HttpServletRequest.class);
			RequestContextUtils.getOutputFlashMap(request).putAll(flashAttributes);
		}
		return mav;
	}
}
 

/**
 * Find an {@code @ExceptionHandler} method and invoke it to handle the raised exception.
 */
@Override
protected ModelAndView doResolveHandlerMethodException(HttpServletRequest request,
		HttpServletResponse response, HandlerMethod handlerMethod, Exception exception) {

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

	exceptionHandlerMethod.setHandlerMethodArgumentResolvers(this.argumentResolvers);
	exceptionHandlerMethod.setHandlerMethodReturnValueHandlers(this.returnValueHandlers);

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

	try {
		if (logger.isDebugEnabled()) {
			logger.debug("Invoking @ExceptionHandler method: " + exceptionHandlerMethod);
		}
		exceptionHandlerMethod.invokeAndHandle(webRequest, mavContainer, exception, handlerMethod);
	}
	catch (Exception invocationEx) {
		if (logger.isErrorEnabled()) {
			logger.error("Failed to invoke @ExceptionHandler method: " + exceptionHandlerMethod, invocationEx);
		}
		return null;
	}

	if (mavContainer.isRequestHandled()) {
		return new ModelAndView();
	}
	else {
		ModelAndView mav = new ModelAndView().addAllObjects(mavContainer.getModel());
		mav.setViewName(mavContainer.getViewName());
		if (!mavContainer.isViewReference()) {
			mav.setView((View) mavContainer.getView());
		}
		return mav;
	}
}