Package org.springframework.web.bind.support

Class WebExchangeDataBinder

java.lang.Object

org.springframework.validation.DataBinder

org.springframework.web.bind.WebDataBinder

org.springframework.web.bind.support.WebExchangeDataBinder

All Implemented Interfaces:

PropertyEditorRegistry, TypeConverter

public class WebExchangeDataBinder
extends WebDataBinder

Specialized DataBinder to perform data binding from URL query parameters or form data in the request data to Java objects.

Since:

5.0

Author:

Rossen Stoyanchev, Juergen Hoeller

Field Summary

Fields inherited from class org.springframework.web.bind.WebDataBinder

DEFAULT_FIELD_DEFAULT_PREFIX, DEFAULT_FIELD_MARKER_PREFIX

Fields inherited from class org.springframework.validation.DataBinder

DEFAULT_AUTO_GROW_COLLECTION_LIMIT, DEFAULT_OBJECT_NAME, logger

Constructor Summary

Constructors

Constructor	Description
WebExchangeDataBinder(Object target)	Create a new instance, with default object name.
WebExchangeDataBinder(Object target, String objectName)	Create a new instance.

Method Summary

Modifier and Type	Method	Description
protected static void	addBindValue(Map<String,Object> params, String key, List<?> values)
reactor.core.publisher.Mono<Void>	bind(ServerWebExchange exchange)	Bind query parameters, form data, or multipart form data to the binder target.
static reactor.core.publisher.Mono<Map<String,Object>>	extractValuesToBind(ServerWebExchange exchange)	Combine query params and form data for multipart form data from the body of the request into a Map<String, Object> of values to use for data binding purposes.
reactor.core.publisher.Mono<Map<String,Object>>	getValuesToBind(ServerWebExchange exchange)	Protected method to obtain the values for data binding.

Methods inherited from class org.springframework.web.bind.WebDataBinder

adaptEmptyArrayIndices, bindMultipart, checkFieldDefaults, checkFieldMarkers, doBind, getEmptyValue, getEmptyValue, getFieldDefaultPrefix, getFieldMarkerPrefix, isBindEmptyMultipartFiles, setBindEmptyMultipartFiles, setFieldDefaultPrefix, setFieldMarkerPrefix

Methods inherited from class org.springframework.validation.DataBinder

addCustomFormatter, addCustomFormatter, addCustomFormatter, addValidators, applyPropertyValues, bind, checkAllowedFields, checkRequiredFields, close, convertIfNecessary, convertIfNecessary, convertIfNecessary, convertIfNecessary, createBeanPropertyBindingResult, createDirectFieldBindingResult, findCustomEditor, getAllowedFields, getAutoGrowCollectionLimit, getBindingErrorProcessor, getBindingResult, getConversionService, getDisallowedFields, getInternalBindingResult, getObjectName, getPropertyAccessor, getPropertyEditorRegistry, getRequiredFields, getSimpleTypeConverter, getTarget, getTypeConverter, getValidator, getValidators, initBeanPropertyAccess, initDirectFieldAccess, isAllowed, isAutoGrowNestedPaths, isIgnoreInvalidFields, isIgnoreUnknownFields, registerCustomEditor, registerCustomEditor, replaceValidators, setAllowedFields, setAutoGrowCollectionLimit, setAutoGrowNestedPaths, setBindingErrorProcessor, setConversionService, setDisallowedFields, setIgnoreInvalidFields, setIgnoreUnknownFields, setMessageCodesResolver, setRequiredFields, setValidator, validate, validate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

WebExchangeDataBinder

public WebExchangeDataBinder(@Nullable
 Object target)

Create a new instance, with default object name.

Parameters:

target - the target object to bind onto (or null if the binder is just used to convert a plain parameter value)

See Also:

• DataBinder.DEFAULT_OBJECT_NAME

WebExchangeDataBinder

public WebExchangeDataBinder(@Nullable
 Object target,
 String objectName)

Create a new instance.

Parameters:

target - the target object to bind onto (or null if the binder is just used to convert a plain parameter value)

objectName - the name of the target object

Method Details

bind

public reactor.core.publisher.Mono<Void> bind(ServerWebExchange exchange)

Bind query parameters, form data, or multipart form data to the binder target.

Parameters:

exchange - the current exchange

Returns:

a Mono<Void> when binding is complete

getValuesToBind

public reactor.core.publisher.Mono<Map<String,Object>> getValuesToBind(ServerWebExchange exchange)

Protected method to obtain the values for data binding. By default this method delegates to extractValuesToBind(ServerWebExchange).

Parameters:

exchange - the current exchange

Returns:

a map of bind values

Since:

5.3

extractValuesToBind

public static reactor.core.publisher.Mono<Map<String,Object>> extractValuesToBind(ServerWebExchange exchange)

Combine query params and form data for multipart form data from the body of the request into a Map<String, Object> of values to use for data binding purposes.

Parameters:

exchange - the current exchange

Returns:

a Mono with the values to bind

See Also:

• ServerHttpRequest.getQueryParams()
• ServerWebExchange.getFormData()
• ServerWebExchange.getMultipartData()

addBindValue

protected static void addBindValue(Map<String,Object> params,
 String key,
 List<?> values)