Example usage for org.springframework.web.bind WebDataBinder getBindingResult

List of usage examples for org.springframework.web.bind WebDataBinder getBindingResult

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Introduction

In this page you can find the example usage for org.springframework.web.bind WebDataBinder getBindingResult.

Prototype

public BindingResult getBindingResult()

Source Link

Document

Return the BindingResult instance created by this DataBinder.

Usage

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 ww  w  . j av a2  s.  c  o m*/
 * @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();
}

From source file:com.virtusa.akura.school.controller.SchoolController.java

/**
 * Registers the given custom property editor for all properties of the Date type.
 * /*from w  w  w .j  a v  a  2  s.c  o  m*/
 * @param binder - data binder used to register the Date objects.
 */
@InitBinder
public final void initBinder(final WebDataBinder binder) {

    binder.getBindingResult();
    SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT);
    binder.registerCustomEditor(Date.class, new CustomDateEditor(dateFormat, true));
}

From source file:com.virtusa.akura.staff.controller.ClassTeacherController.java

/**
 * Registers the given custom property editor for all properties of the Date type.
 *
 * @param binder - data binder used to register the Date objects.
 *//*from w ww. j  a  v a 2 s.c  om*/
@InitBinder
public void initBinder(WebDataBinder binder) {

    binder.getBindingResult();
    SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT);
    binder.registerCustomEditor(Date.class, new CustomDateEditor(dateFormat, true));
}

From source file:com.virtusa.akura.common.controller.ManageSpecialEventsController.java

/**
 * intiBinder method is to bind date class with the date format.
 * /*from ww  w . ja  v a2  s. c  o  m*/
 * @param binder - data binder used to register the Date objects.
 */
@InitBinder
public void initBinder(final WebDataBinder binder) {

    binder.getBindingResult();
    SimpleDateFormat dateFormat = new SimpleDateFormat(DEFALUT_DATE_FORMAT);
    binder.registerCustomEditor(Date.class, new CustomDateEditor(dateFormat, true));

}

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 ww.  ja  v a2 s  .com*/
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;
}

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   www.j  av a 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;
}

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) {
        /*//  ww w.  j  a v a 2  s. com
        @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.");
    }

}

From source file:org.zht.framework.web.bind.resolver.FormModelMethodArgumentResolver.java

/**
 * {@inheritDoc}/*w w w.  j a  va  2 s.c om*/
 * <p>Downcast {@link org.springframework.web.bind.WebDataBinder} to {@link org.springframework.web.bind.ServletRequestDataBinder} before binding.
 *
 * @throws Exception
 * @see org.springframework.web.servlet.mvc.method.annotation.ServletRequestDataBinderFactory
 */

protected void bindRequestParameters(ModelAndViewContainer mavContainer, WebDataBinderFactory binderFactory,
        WebDataBinder binder, NativeWebRequest request, MethodParameter parameter) throws Exception {

    Map<String, Boolean> hasProcessedPrefixMap = new HashMap<String, Boolean>();

    Class<?> targetType = binder.getTarget().getClass();
    ServletRequest servletRequest = prepareServletRequest(binder.getTarget(), request, parameter);
    WebDataBinder simpleBinder = binderFactory.createBinder(request, null, null);

    if (Collection.class.isAssignableFrom(targetType)) {//bind collection or array

        Type type = parameter.getGenericParameterType();
        Class<?> componentType = Object.class;

        Collection target = (Collection) binder.getTarget();

        List targetList = new ArrayList(target);

        if (type instanceof ParameterizedType) {
            componentType = (Class<?>) ((ParameterizedType) type).getActualTypeArguments()[0];
        }

        if (parameter.getParameterType().isArray()) {
            componentType = parameter.getParameterType().getComponentType();
        }

        for (Object key : servletRequest.getParameterMap().keySet()) {
            String prefixName = getPrefixName((String) key);

            //?prefix ??
            if (hasProcessedPrefixMap.containsKey(prefixName)) {
                continue;
            } else {
                hasProcessedPrefixMap.put(prefixName, Boolean.TRUE);
            }

            if (isSimpleComponent(prefixName)) { //bind simple type
                Map<String, Object> paramValues = WebUtils.getParametersStartingWith(servletRequest,
                        prefixName);
                Matcher matcher = INDEX_PATTERN.matcher(prefixName);
                if (!matcher.matches()) { //? array=1&array=2
                    for (Object value : paramValues.values()) {
                        targetList.add(simpleBinder.convertIfNecessary(value, componentType));
                    }
                } else { //? array[0]=1&array[1]=2
                    int index = Integer.valueOf(matcher.group(1));

                    if (targetList.size() <= index) {
                        growCollectionIfNecessary(targetList, index);
                    }
                    targetList.set(index, simpleBinder.convertIfNecessary(paramValues.values(), componentType));
                }
            } else { //? votes[1].title=votes[1].title&votes[0].title=votes[0].title&votes[0].id=0&votes[1].id=1
                Object component = null;
                //? ?????
                Matcher matcher = INDEX_PATTERN.matcher(prefixName);
                if (!matcher.matches()) {
                    throw new IllegalArgumentException("bind collection error, need integer index, key:" + key);
                }
                int index = Integer.valueOf(matcher.group(1));
                if (targetList.size() <= index) {
                    growCollectionIfNecessary(targetList, index);
                }
                Iterator iterator = targetList.iterator();
                for (int i = 0; i < index; i++) {
                    iterator.next();
                }
                component = iterator.next();

                if (component == null) {
                    component = BeanUtils.instantiate(componentType);
                }

                WebDataBinder componentBinder = binderFactory.createBinder(request, component, null);
                component = componentBinder.getTarget();

                if (component != null) {
                    ServletRequestParameterPropertyValues pvs = new ServletRequestParameterPropertyValues(
                            servletRequest, prefixName, "");
                    componentBinder.bind(pvs);
                    validateIfApplicable(componentBinder, parameter);
                    if (componentBinder.getBindingResult().hasErrors()) {
                        if (isBindExceptionRequired(componentBinder, parameter)) {
                            throw new BindException(componentBinder.getBindingResult());
                        }
                    }
                    targetList.set(index, component);
                }
            }
            target.clear();
            target.addAll(targetList);
        }
    } else if (MapWapper.class.isAssignableFrom(targetType)) {

        Type type = parameter.getGenericParameterType();
        Class<?> keyType = Object.class;
        Class<?> valueType = Object.class;

        if (type instanceof ParameterizedType) {
            keyType = (Class<?>) ((ParameterizedType) type).getActualTypeArguments()[0];
            valueType = (Class<?>) ((ParameterizedType) type).getActualTypeArguments()[1];
        }

        MapWapper mapWapper = ((MapWapper) binder.getTarget());
        Map target = mapWapper.getInnerMap();
        if (target == null) {
            target = new HashMap();
            mapWapper.setInnerMap(target);
        }

        for (Object key : servletRequest.getParameterMap().keySet()) {
            String prefixName = getPrefixName((String) key);

            //?prefix ??
            if (hasProcessedPrefixMap.containsKey(prefixName)) {
                continue;
            } else {
                hasProcessedPrefixMap.put(prefixName, Boolean.TRUE);
            }

            Object keyValue = simpleBinder.convertIfNecessary(getMapKey(prefixName), keyType);

            if (isSimpleComponent(prefixName)) { //bind simple type
                Map<String, Object> paramValues = WebUtils.getParametersStartingWith(servletRequest,
                        prefixName);

                for (Object value : paramValues.values()) {
                    target.put(keyValue, simpleBinder.convertIfNecessary(value, valueType));
                }
            } else {

                Object component = target.get(keyValue);
                if (component == null) {
                    component = BeanUtils.instantiate(valueType);
                }

                WebDataBinder componentBinder = binderFactory.createBinder(request, component, null);
                component = componentBinder.getTarget();

                if (component != null) {
                    ServletRequestParameterPropertyValues pvs = new ServletRequestParameterPropertyValues(
                            servletRequest, prefixName, "");
                    componentBinder.bind(pvs);

                    validateComponent(componentBinder, parameter);

                    target.put(keyValue, component);
                }
            }
        }
    } else {//bind model
        ServletRequestDataBinder servletBinder = (ServletRequestDataBinder) binder;
        servletBinder.bind(servletRequest);
    }
}

From source file:com.fengduo.bee.commons.component.FormModelMethodArgumentResolver.java

protected void validateComponent(WebDataBinder binder, MethodParameter parameter) throws BindException {

    boolean validateParameter = validateParameter(parameter);
    Annotation[] annotations = binder.getTarget().getClass().getAnnotations();
    for (Annotation annot : annotations) {
        if (annot.annotationType().getSimpleName().startsWith("Valid") && validateParameter) {
            Object hints = AnnotationUtils.getValue(annot);
            binder.validate(hints instanceof Object[] ? (Object[]) hints : new Object[] { hints });
        }/*w ww  .j ava  2 s.co m*/
    }

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

From source file:com.virtusa.akura.student.controller.StudentTemporaryLeaveController.java

/**
 * intiBinder method is to bind date class with the date format.
 *
 * @param binder - data binder used to register the Date objects.
 *///from w w  w. ja v  a  2  s  .  com
@InitBinder
public void initBinder(final WebDataBinder binder) {

    binder.getBindingResult();
    SimpleDateFormat dateFormat = new SimpleDateFormat(YYYY_MM_DD);
    binder.registerCustomEditor(Date.class, new CustomDateEditor(dateFormat, true));

}