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

Introduction

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

Prototype

public ModelAndViewContainer addAttribute(String name, @Nullable Object value) 

Source Link

Document

Add the supplied attribute to the underlying model.

Usage

From source file:com.ufukuzun.myth.dialect.handler.AjaxRequestResponseBodyReturnValueHandler.java

@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
        NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
    AjaxRequestBody ajaxRequestBody = parameter.getParameterAnnotation(AjaxRequestBody.class);
    boolean performValidation = ajaxRequestBody.validate();
    String targetName = ajaxRequestBody.targetName();
    Assert.notNull(targetName);// ww  w . j  a va2s  . co m

    Object argument = readWithMessageConverters(webRequest, parameter, parameter.getGenericParameterType());

    if (argument != null && AjaxRequest.class.isInstance(argument) && !StringUtils.isEmpty(targetName)) {
        AjaxRequest<?> ajaxRequest = (AjaxRequest<?>) argument;

        mavContainer.addAttribute(targetName, ajaxRequest.getModel());

        if (performValidation) {
            ajaxRequest
                    .setModelValid(myth.validate(mavContainer.getModel(), ajaxRequest.getModel(), targetName));
        }
    }

    return argument;
}

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From source file:de.iew.web.isc.spring.IscRequestMethodArgumentResolver.java

public Object resolveArgument(MethodParameter methodParameter, ModelAndViewContainer modelAndViewContainer,
        NativeWebRequest nativeWebRequest, WebDataBinderFactory webDataBinderFactory) throws Exception {
    DSRequest dsRequest = new DSRequest();
    WebDataBinder binder = webDataBinderFactory.createBinder(nativeWebRequest, dsRequest, "dsRequest");
    binder.setFieldMarkerPrefix("__");

    // Man kann noch eigene Property Editoren konfigurieren
    //binder.registerCustomEditor();

    if (binder instanceof ServletRequestDataBinder) {
        /*//from  ww w  . j av  a  2s.co  m
        @TODO
                
        Wir machen es uns etwas leicht. Unser DSRequest Objekt muss
        eigentlich nur die isc_-Eigenschaften kennen. Dort ist auch isc_metaDataPreifx
        konfiguriert. Anhand dieses Prefix mssen wir die anderen Eiegenschaften auflsen.
         */
        ServletRequestDataBinder servletRequestDataBinder = (ServletRequestDataBinder) binder;
        HttpServletRequest request = (HttpServletRequest) nativeWebRequest.getNativeRequest();

        servletRequestDataBinder.bind(request);

        BindingResult bindingResult = binder.getBindingResult();
        modelAndViewContainer.addAttribute(BindingResult.MODEL_KEY_PREFIX + "dsRequest", bindingResult);

        return dsRequest;
    } else {
        throw new UnsupportedOperationException(
                "Using " + binder.getClass() + " WebDataBinder is not supported.");
    }

}

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From source file:com.fengduo.bee.commons.component.FormModelMethodArgumentResolver.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.
 * //from  ww  w . ja  va 2 s  .  co  m
 * @throws org.springframework.validation.BindException if data binding and validation result in an error and the
 * next method parameter is not of type {@link org.springframework.validation.Errors}.
 * @throws Exception if WebDataBinder initialization fails.
 */
public final Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
        NativeWebRequest request, WebDataBinderFactory binderFactory) throws Exception {
    String name = parameter.getParameterAnnotation(FormBean.class).value();

    Object target = (mavContainer.containsAttribute(name)) ? mavContainer.getModel().get(name)
            : createAttribute(name, parameter, binderFactory, request);

    WebDataBinder binder = binderFactory.createBinder(request, target, name);
    target = binder.getTarget();
    if (target != null) {
        bindRequestParameters(mavContainer, binderFactory, binder, request, parameter);

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

    target = binder.convertIfNecessary(binder.getTarget(), parameter.getParameterType());
    mavContainer.addAttribute(name, target);

    return target;
}

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From source file:org.zht.framework.web.bind.resolver.FormModelMethodArgumentResolver.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 org.springframework.validation.BindException
 *                   if data binding and validation result in an error
 *                   and the next method parameter is not of type {@link org.springframework.validation.Errors}.
 * @throws Exception if WebDataBinder initialization fails.
 *///from  w  w w .ja v a 2 s.  c  o  m
public final Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
        NativeWebRequest request, WebDataBinderFactory binderFactory) throws Exception {
    String name = parameter.getParameterAnnotation(FormModel.class).value();

    Object target = (mavContainer.containsAttribute(name)) ? mavContainer.getModel().get(name)
            : createAttribute(name, parameter, binderFactory, request);

    WebDataBinder binder = binderFactory.createBinder(request, target, name);
    target = binder.getTarget();
    if (target != null) {
        bindRequestParameters(mavContainer, binderFactory, binder, request, parameter);

        validateIfApplicable(binder, parameter);
        if (binder.getBindingResult().hasErrors()) {
            List<BindingResult> list = (List<BindingResult>) request
                    .getAttribute(ValidateConstant.BINDING_RESULT_LIST_NAME, Integer.MAX_VALUE / 2 + 1);
            if (null == list) {
                list = new ArrayList<BindingResult>();
                request.setAttribute(ValidateConstant.BINDING_RESULT_LIST_NAME, list, 0);
            }
            list.add(binder.getBindingResult());
            request.setAttribute(ValidateConstant.BINDING_RESULT_HAS_ERROR, true, 0);
            //                if (isBindExceptionRequired(binder, parameter)) {
            //                    throw new BindException(binder.getBindingResult());
            //                }
        }
    }

    target = binder.convertIfNecessary(binder.getTarget(), parameter.getParameterType());
    mavContainer.addAttribute(name, target);

    return target;
}

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

/**
 * Add non-null return values to the {@link ModelAndViewContainer}.
 *///from  w  w w.  j  av  a 2 s . c  o  m
@Override
public void handleReturnValue(@Nullable Object returnValue, MethodParameter returnType,
        ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {

    if (returnValue != null) {
        String name = ModelFactory.getNameForReturnValue(returnValue, returnType);
        mavContainer.addAttribute(name, returnValue);
    }
}

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

/**
 * Populate the model in the following order:
 * <ol>//from   w ww. jav  a  2 s.co m
 * <li>Retrieve "known" session attributes listed as {@code @SessionAttributes}.
 * <li>Invoke {@code @ModelAttribute} methods
 * <li>Find {@code @ModelAttribute} method arguments also listed as
 * {@code @SessionAttributes} and ensure they're present in the model raising
 * an exception if necessary.
 * </ol>
 * @param request the current request
 * @param container a container with the model to be initialized
 * @param handlerMethod the method for which the model is initialized
 * @throws Exception may arise from {@code @ModelAttribute} methods
 */
public void initModel(NativeWebRequest request, ModelAndViewContainer container, HandlerMethod handlerMethod)
        throws Exception {

    Map<String, ?> sessionAttributes = this.sessionAttributesHandler.retrieveAttributes(request);
    container.mergeAttributes(sessionAttributes);
    invokeModelAttributeMethods(request, container);

    for (String name : findSessionAttributeArguments(handlerMethod)) {
        if (!container.containsAttribute(name)) {
            Object value = this.sessionAttributesHandler.retrieveAttribute(request, name);
            if (value == null) {
                throw new HttpSessionRequiredException("Expected session attribute '" + name + "'", name);
            }
            container.addAttribute(name, value);
        }
    }
}

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

/**
 * Invoke model attribute methods to populate the model.
 * Attributes are added only if not already present in the model.
 *///  w w  w  .  ja  va2  s.  c  om
private void invokeModelAttributeMethods(NativeWebRequest request, ModelAndViewContainer container)
        throws Exception {

    while (!this.modelMethods.isEmpty()) {
        InvocableHandlerMethod modelMethod = getNextModelMethod(container).getHandlerMethod();
        ModelAttribute ann = modelMethod.getMethodAnnotation(ModelAttribute.class);
        Assert.state(ann != null, "No ModelAttribute annotation");
        if (container.containsAttribute(ann.name())) {
            if (!ann.binding()) {
                container.setBindingDisabled(ann.name());
            }
            continue;
        }

        Object returnValue = modelMethod.invokeForRequest(request, container);
        if (!modelMethod.isVoid()) {
            String returnValueName = getNameForReturnValue(returnValue, modelMethod.getReturnType());
            if (!ann.binding()) {
                container.setBindingDisabled(returnValueName);
            }
            if (!container.containsAttribute(returnValueName)) {
                container.addAttribute(returnValueName, returnValue);
            }
        }
    }
}

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

/**
 * Add non-null return values to the {@link ModelAndViewContainer}.
 *///from   w w w.j a  v  a2s .  c  om
public void handleReturnValue(Object returnValue, MethodParameter returnType,
        ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {
    if (returnValue != null) {
        String name = ModelFactory.getNameForReturnValue(returnValue, returnType);
        mavContainer.addAttribute(name, returnValue);
    }
}

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