Example usage for org.springframework.validation DataBinder setAutoGrowNestedPaths

Introduction

In this page you can find the example usage for org.springframework.validation DataBinder setAutoGrowNestedPaths.

Prototype

public void setAutoGrowNestedPaths(boolean autoGrowNestedPaths) 

Source Link

Document

Set whether this binder should attempt to "auto-grow" a nested path that contains a null value.

Usage

From source file:org.agatom.springatom.cmp.wizards.core.AbstractWizardProcessor.java

/**
 * Creates {@link org.springframework.validation.DataBinder} without paying attention on {@link org.springframework.validation.DataBinder#setAllowedFields(String...)} or
 * {@link org.springframework.validation.DataBinder#setRequiredFields(String...)}
 *
 * @param contextObject     context object
 * @param contextObjectName context object name
 *
 * @return the binder//from   w w  w.ja  va  2  s . c  om
 */
private DataBinder createBinder(final Object contextObject, final String contextObjectName) {
    LOGGER.debug(String.format("createGlobalBinder(contextObject=%s,contextObjectName=%s)", contextObject,
            contextObjectName));

    Assert.notNull(contextObject, "contextObject must not be null");
    Assert.notNull(contextObjectName, "contextObjectName must not be null");

    final DataBinder binder = new WizardDataBinder(contextObject, contextObjectName);

    binder.setIgnoreUnknownFields(true);
    binder.setAutoGrowNestedPaths(true);
    binder.setConversionService(this.conversionService);
    binder.setValidator(this.delegatedValidator);
    binder.setMessageCodesResolver(new DefaultMessageCodesResolver());

    return binder;
}

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From source file:utils.play.BugWorkaroundForm.java

@SuppressWarnings({ "unchecked", "rawtypes" })
@Override//from  ww  w  . java2 s.co m
public Form<T> bind(final Map<String, String> data, final String... allowedFields) {
    DataBinder dataBinder = null;
    Map<String, String> objectData = data;
    if (rootName == null) {
        dataBinder = new DataBinder(blankInstance());
    } else {
        dataBinder = new DataBinder(blankInstance(), rootName);
        objectData = new HashMap<String, String>();
        for (String key : data.keySet()) {
            if (key.startsWith(rootName + ".")) {
                objectData.put(key.substring(rootName.length() + 1), data.get(key));
            }
        }
    }
    if (allowedFields.length > 0) {
        dataBinder.setAllowedFields(allowedFields);
    }
    SpringValidatorAdapter validator = new SpringValidatorAdapter(Validation.getValidator());
    dataBinder.setValidator(validator);
    dataBinder.setConversionService(play.data.format.Formatters.conversion);
    dataBinder.setAutoGrowNestedPaths(true);
    dataBinder.bind(new MutablePropertyValues(objectData));

    Set<ConstraintViolation<Object>> validationErrors = validator.validate(dataBinder.getTarget());
    BindingResult result = dataBinder.getBindingResult();

    for (ConstraintViolation<Object> violation : validationErrors) {
        String field = violation.getPropertyPath().toString();
        FieldError fieldError = result.getFieldError(field);
        if (fieldError == null || !fieldError.isBindingFailure()) {
            try {
                result.rejectValue(field,
                        violation.getConstraintDescriptor().getAnnotation().annotationType().getSimpleName(),
                        getArgumentsForConstraint(result.getObjectName(), field,
                                violation.getConstraintDescriptor()),
                        violation.getMessage());
            } catch (NotReadablePropertyException ex) {
                throw new IllegalStateException("JSR-303 validated property '" + field
                        + "' does not have a corresponding accessor for data binding - "
                        + "check your DataBinder's configuration (bean property versus direct field access)",
                        ex);
            }
        }
    }

    if (result.hasErrors()) {
        Map<String, List<ValidationError>> errors = new HashMap<String, List<ValidationError>>();
        for (FieldError error : result.getFieldErrors()) {
            String key = error.getObjectName() + "." + error.getField();
            System.out.println("Error field:" + key);
            if (key.startsWith("target.") && rootName == null) {
                key = key.substring(7);
            }
            List<Object> arguments = new ArrayList<>();
            for (Object arg : error.getArguments()) {
                if (!(arg instanceof org.springframework.context.support.DefaultMessageSourceResolvable)) {
                    arguments.add(arg);
                }
            }
            if (!errors.containsKey(key)) {
                errors.put(key, new ArrayList<ValidationError>());
            }
            errors.get(key).add(new ValidationError(key,
                    error.isBindingFailure() ? "error.invalid" : error.getDefaultMessage(), arguments));
        }
        return new Form(rootName, backedType, data, errors, F.Option.None());
    } else {
        Object globalError = null;
        if (result.getTarget() != null) {
            try {
                java.lang.reflect.Method v = result.getTarget().getClass().getMethod("validate");
                globalError = v.invoke(result.getTarget());
            } catch (NoSuchMethodException e) {
            } catch (Throwable e) {
                throw new RuntimeException(e);
            }
        }
        if (globalError != null) {
            Map<String, List<ValidationError>> errors = new HashMap<String, List<ValidationError>>();
            if (globalError instanceof String) {
                errors.put("", new ArrayList<ValidationError>());
                errors.get("").add(new ValidationError("", (String) globalError, new ArrayList()));
            } else if (globalError instanceof List) {
                for (ValidationError error : (List<ValidationError>) globalError) {
                    List<ValidationError> errorsForKey = errors.get(error.key());
                    if (errorsForKey == null) {
                        errors.put(error.key(), errorsForKey = new ArrayList<ValidationError>());
                    }
                    errorsForKey.add(error);
                }
            } else if (globalError instanceof Map) {
                errors = (Map<String, List<ValidationError>>) globalError;
            }

            if (result.getTarget() != null) {
                return new Form(rootName, backedType, data, errors, F.Option.Some((T) result.getTarget()));
            } else {
                return new Form(rootName, backedType, data, errors, F.Option.None());
            }
        }
        return new Form(rootName, backedType, new HashMap<String, String>(data),
                new HashMap<String, List<ValidationError>>(errors), F.Option.Some((T) result.getTarget()));
    }
}

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