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

The following examples show how to use org.springframework.web.method.support.ModelAndViewContainer#addAllAttributes() . 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: MapMethodProcessor.java    From spring4-understanding with Apache License 2.0 6 votes vote down vote up 
@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());
	}
}
Example 2
Source File: MapMethodProcessor.java    From lams with GNU General Public License v2.0 6 votes vote down vote up 
@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());
	}
}
Example 3
Source File: ModelMethodProcessor.java    From spring-analysis-note with MIT License 6 votes vote down vote up 
@Override
public void handleReturnValue(@Nullable 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());
	}
}
Example 4
Source File: ModelMethodProcessor.java    From spring4-understanding with Apache License 2.0 6 votes vote down vote up 
@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());
	}
}
Example 5
Source File: ModelAttributeMethodProcessor.java    From spring4-understanding with Apache License 2.0 6 votes vote down vote up 
/**
 * 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);
}
Example 6
Source File: MapMethodProcessor.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Override
@SuppressWarnings({"unchecked", "rawtypes"})
public void handleReturnValue(@Nullable Object returnValue, MethodParameter returnType,
		ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {

	if (returnValue instanceof Map){
		mavContainer.addAllAttributes((Map) returnValue);
	}
	else if (returnValue != null) {
		// should not happen
		throw new UnsupportedOperationException("Unexpected return type: " +
				returnType.getParameterType().getName() + " in method: " + returnType.getMethod());
	}
}
Example 7
Source File: ModelAndViewMethodReturnValueHandler.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 (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());
}
Example 8
Source File: UifDefaultFormMethodArgumentResolver.java    From rice with Educational Community License v2.0 5 votes vote down vote up 
/**
 * {@inheritDoc}
 */
@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
        NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
    String name = UifConstants.DEFAULT_MODEL_NAME;

    Object attribute = null;
    if (mavContainer.containsAttribute(name)) {
        attribute = mavContainer.getModel().get(name);
    }

    WebDataBinder binder = binderFactory.createBinder(webRequest, attribute, name);
    if (binder.getTarget() != null) {
        ServletRequest servletRequest = webRequest.getNativeRequest(ServletRequest.class);
        ServletRequestDataBinder servletBinder = (ServletRequestDataBinder) binder;
        servletBinder.bind(servletRequest);

        if (binder.getBindingResult().hasErrors()) {
            if (isBindExceptionRequired(parameter)) {
                throw new BindException(binder.getBindingResult());
            }
        }
    }

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

    return binder.getTarget();
}
Example 9
Source File: ErrorsMethodHandlerArgumentResolverTests.java    From spring4-understanding with Apache License 2.0 5 votes vote down vote up 
@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);
}
Example 10
Source File: ModelAndViewMethodReturnValueHandler.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 (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.setStatus(mav.getStatus());
	mavContainer.addAllAttributes(mav.getModel());
}
Example 11
Source File: ErrorsMethodArgumentResolverTests.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@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);
}
Example 12
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 13
Source File: ModelAndViewMethodReturnValueHandler.java    From spring-analysis-note 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 (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 && ((SmartView) view).isRedirectView()) {
			mavContainer.setRedirectModelScenario(true);
		}
	}
	mavContainer.setStatus(mav.getStatus());
	mavContainer.addAllAttributes(mav.getModel());
}
Example 14
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 15
Source File: ModelAndViewMethodReturnValueHandler.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 (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 && ((SmartView) view).isRedirectView()) {
			mavContainer.setRedirectModelScenario(true);
		}
	}
	mavContainer.setStatus(mav.getStatus());
	mavContainer.addAllAttributes(mav.getModel());
}
Example 16
Source File: ErrorsMethodArgumentResolverTests.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@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);
}
Example 17
Source File: ErrorsMethodArgumentResolverTests.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@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);
}
Example 18
Source File: MapMethodProcessor.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@Override
@SuppressWarnings({"unchecked", "rawtypes"})
public void handleReturnValue(@Nullable Object returnValue, MethodParameter returnType,
		ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {

	if (returnValue instanceof Map){
		mavContainer.addAllAttributes((Map) returnValue);
	}
	else if (returnValue != null) {
		// should not happen
		throw new UnsupportedOperationException("Unexpected return type: " +
				returnType.getParameterType().getName() + " in method: " + returnType.getMethod());
	}
}
Example 19
Source File: ModelAndViewResolverMethodReturnValueHandler.java    From spring-analysis-note 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 20
Source File: ModelAttributeMethodProcessor.java    From java-technology-stack with MIT License 4 votes vote down vote up 
/**
 * 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
@Nullable
public final Object resolveArgument(MethodParameter parameter, @Nullable ModelAndViewContainer mavContainer,
		NativeWebRequest webRequest, @Nullable WebDataBinderFactory binderFactory) throws Exception {

	Assert.state(mavContainer != null, "ModelAttributeMethodProcessor requires ModelAndViewContainer");
	Assert.state(binderFactory != null, "ModelAttributeMethodProcessor requires WebDataBinderFactory");

	String name = ModelFactory.getNameForParameter(parameter);
	ModelAttribute ann = parameter.getParameterAnnotation(ModelAttribute.class);
	if (ann != null) {
		mavContainer.setBinding(name, ann.binding());
	}

	Object attribute = null;
	BindingResult bindingResult = null;

	if (mavContainer.containsAttribute(name)) {
		attribute = mavContainer.getModel().get(name);
	}
	else {
		// Create attribute instance
		try {
			attribute = createAttribute(name, parameter, binderFactory, webRequest);
		}
		catch (BindException ex) {
			if (isBindExceptionRequired(parameter)) {
				// No BindingResult parameter -> fail with BindException
				throw ex;
			}
			// Otherwise, expose null/empty value and associated BindingResult
			if (parameter.getParameterType() == Optional.class) {
				attribute = Optional.empty();
			}
			bindingResult = ex.getBindingResult();
		}
	}

	if (bindingResult == null) {
		// Bean property binding and validation;
		// skipped in case of binding failure on construction.
		WebDataBinder binder = binderFactory.createBinder(webRequest, attribute, name);
		if (binder.getTarget() != null) {
			if (!mavContainer.isBindingDisabled(name)) {
				bindRequestParameters(binder, webRequest);
			}
			validateIfApplicable(binder, parameter);
			if (binder.getBindingResult().hasErrors() && isBindExceptionRequired(binder, parameter)) {
				throw new BindException(binder.getBindingResult());
			}
		}
		// Value type adaptation, also covering java.util.Optional
		if (!parameter.getParameterType().isInstance(attribute)) {
			attribute = binder.convertIfNecessary(binder.getTarget(), parameter.getParameterType(), parameter);
		}
		bindingResult = binder.getBindingResult();
	}

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

	return attribute;
}