Example usage for org.springframework.web.method.support ModelAndViewContainer addAllAttributes

Introduction

In this page you can find the example usage for org.springframework.web.method.support ModelAndViewContainer addAllAttributes.

Prototype

public ModelAndViewContainer addAllAttributes(@Nullable Map<String, ?> attributes) 

Source Link

Document

Copy all attributes to the underlying model.

Usage

From source file:co.paralleluniverse.springframework.web.servlet.mvc.method.annotation.FiberRequestMappingHandlerAdapter.java

/**
 * Invoke the {@link RequestMapping} handler method preparing a {@link ModelAndView}
 * if view resolution is required.//from ww w.jav  a  2s. com
 */
private ModelAndView invokeHandleMethod(HttpServletRequest request, HttpServletResponse response,
        HandlerMethod handlerMethod) throws Exception {
    ServletWebRequest webRequest = new ServletWebRequest(request, response);

    WebDataBinderFactory binderFactory = getDataBinderFactory(handlerMethod);
    ModelFactory modelFactory = getModelFactory(handlerMethod, binderFactory);
    FiberServletInvocableHandlerMethod requestMappingMethod = createRequestMappingMethod(handlerMethod,
            binderFactory);

    ModelAndViewContainer mavContainer = new ModelAndViewContainer();
    mavContainer.addAllAttributes(RequestContextUtils.getInputFlashMap(request));
    modelFactory.initModel(webRequest, mavContainer, requestMappingMethod);
    mavContainer.setIgnoreDefaultModelOnRedirect(this.ignoreDefaultModelOnRedirect);

    AsyncWebRequest asyncWebRequest = WebAsyncUtils.createAsyncWebRequest(request, response);
    asyncWebRequest.setTimeout(this.asyncRequestTimeout);

    final WebAsyncManager asyncManager = WebAsyncUtils.getAsyncManager(request);
    asyncManager.setTaskExecutor(this.taskExecutor);
    asyncManager.setAsyncWebRequest(asyncWebRequest);
    asyncManager.registerCallableInterceptors(this.callableInterceptors);
    asyncManager.registerDeferredResultInterceptors(this.deferredResultInterceptors);

    if (asyncManager.hasConcurrentResult()) {
        Object result = asyncManager.getConcurrentResult();
        mavContainer = (ModelAndViewContainer) asyncManager.getConcurrentResultContext()[0];
        asyncManager.clearConcurrentResult();

        if (logger.isDebugEnabled()) {
            logger.debug("Found concurrent result value [" + result + "]");
        }
        requestMappingMethod = requestMappingMethod.wrapConcurrentResult(result);
    }

    requestMappingMethod.invokeAndHandle(webRequest, mavContainer);

    if (asyncManager.isConcurrentHandlingStarted()) {
        return null;
    }

    return getModelAndView(mavContainer, modelFactory, webRequest);
}

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From source file:org.opentides.web.processor.FormBindMethodProcessor.java

/**
 * Resolve the argument from the model or if not found instantiate it with
 * its default. The model attribute is then populated with request values 
 * via data binding and validated. If no validation error, the model
 * is retrieved from database and merged with the submitted form.
 *   //from   w w w .  ja  v  a 2  s. c  om
 * @throws BindException if data binding and validation result in an error
 * @throws Exception if WebDataBinder initialization fails.
 */
@SuppressWarnings("unchecked")
public final Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
        NativeWebRequest nativeRequest, WebDataBinderFactory binderFactory) throws Exception {

    FormBind annot = parameter.getParameterAnnotation(FormBind.class);
    Class<?> clazz = parameter.getDeclaringClass();
    String name = getName(annot, parameter);
    HttpServletRequest request = (HttpServletRequest) nativeRequest.getNativeRequest();

    Method addForm = CacheUtil.getNewFormBindMethod(clazz);
    Object controller = beanFactory.getBean(parameter.getContainingClass());
    Object target = (addForm != null) ? addForm.invoke(controller, request)
            : BeanUtils.instantiateClass(parameter.getParameterType());
    MutablePropertyValues mpvs = new MutablePropertyValues(nativeRequest.getParameterMap());
    WebDataBinder binder = binderFactory.createBinder(nativeRequest, target, name);
    if (binder.getTarget() != null) {
        binder.bind(mpvs);
        if (binder.getValidator() != null)
            binder.validate();
        if (binder.getBindingResult().hasErrors()) {
            throw new BindException(binder.getBindingResult());
        }
        String method = request.getMethod().toLowerCase();

        // id should be the last segment of the uri
        String uri = request.getRequestURI();
        String sid = uri.substring(uri.lastIndexOf("/") + 1);
        Long id = StringUtil.convertToLong(sid, 0);

        // if target extends BaseEntity and for update, link target to database record
        if (("put".equals(method) || "post".equals(method)) && id > 0
                && BaseEntity.class.isAssignableFrom(parameter.getParameterType())) {
            // now retrieve record from database for updating
            Method updateForm = CacheUtil.getUpdateFormBindMethod(clazz);

            BaseEntity record = null;
            if (updateForm == null) {
                // no annotation, invoke from service
                Method getService = controller.getClass().getMethod("getService");
                if (getService == null) {
                    String message = "Cannot find method with @FormBind with update mode. "
                            + "Also, unable to find service associated to controller."
                            + "Please specify one that retrieves record from database.";
                    throw new InvalidImplementationException(message);
                }
                BaseCrudService<? extends BaseEntity> service = (BaseCrudService<? extends BaseEntity>) getService
                        .invoke(controller);
                record = (BaseEntity) service.load(sid);
            } else {
                // with annotation, invoke annotation
                record = (BaseEntity) updateForm.invoke(controller, sid, request);
            }

            if (record != null) {
                WebDataBinder updateBinder = binderFactory.createBinder(nativeRequest, record, name);
                updateBinder.bind(mpvs);
                mavContainer.addAllAttributes(updateBinder.getBindingResult().getModel());
                return updateBinder.getTarget();
            } else {
                String message = "Unable to find " + parameter.getParameterType().getSimpleName() + " with id="
                        + sid + " for update.";
                throw new DataAccessException(message);
            }
        } else if ("post".equals(method)) {
            mavContainer.addAllAttributes(binder.getBindingResult().getModel());
            return binder.getTarget();
        } else {
            throw new InvalidImplementationException(
                    "@FormBind argument annotation can only be used on POST or PUT methods.");
        }
    }
    mavContainer.addAllAttributes(binder.getBindingResult().getModel());
    return binder.getTarget();
}

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From source file:org.springframework.web.method.annotation.ModelAttributeMethodProcessor.java

/**
 * 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
 *///from www .j av  a  2 s. c  om
@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;
}

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From source file:org.springframework.web.method.annotation.support.ModelAttributeMethodProcessor.java

/**
 * 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.
 *///from   ww w .jav  a 2  s.c o m
public final Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
        NativeWebRequest request, WebDataBinderFactory binderFactory) throws Exception {
    String name = ModelFactory.getNameForParameter(parameter);
    Object target = (mavContainer.containsAttribute(name)) ? mavContainer.getModel().get(name)
            : createAttribute(name, parameter, binderFactory, request);

    WebDataBinder binder = binderFactory.createBinder(request, target, name);

    if (binder.getTarget() != null) {
        bindRequestParameters(binder, request);

        if (isValidationApplicable(binder.getTarget(), parameter)) {
            binder.validate();
        }

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

    mavContainer.addAllAttributes(binder.getBindingResult().getModel());

    return binder.getTarget();
}

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