java.lang.Object
- org.springframework.web.reactive.BindingContext

```
public class BindingContext
extends Object
```
Context to assist with binding request data onto Objects and provide access to a shared Model with controller-specific attributes.
Provides methods to create a WebExchangeDataBinder for a specific target, command Object to apply data binding and validation to, or without a target Object for simple type conversion from request values.
Container for the default model for the request.
Since:
5.0
Author:
Rossen Stoyanchev

Constructor Summary
Constructors
Constructor Description
BindingContext()
Create a new BindingContext.
BindingContext(WebBindingInitializer initializer)
Create a new BindingContext with the given initializer.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`WebExchangeDataBinder`	`createDataBinder(ServerWebExchange exchange, Object target, String name)`	Create a `WebExchangeDataBinder` to apply data binding and validation with on the target, command object.
`WebExchangeDataBinder`	`createDataBinder(ServerWebExchange exchange, String name)`	Create a `WebExchangeDataBinder` without a target object for type conversion of request values to simple types.
`Model`	`getModel()`	Return the default model.
`protected WebExchangeDataBinder`	`initDataBinder(WebExchangeDataBinder binder, ServerWebExchange exchange)`	Initialize the data binder instance for the given exchange.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - BindingContext
```
public BindingContext()
```
    Create a new BindingContext.
  - BindingContext
```
public BindingContext(@Nullable
                      WebBindingInitializer initializer)
```
    Create a new BindingContext with the given initializer.
    Parameters:
    initializer - the binding initializer to apply (may be null)
- Method Detail
  - getModel
```
public Model getModel()
```
    Return the default model.
  - createDataBinder
```
public WebExchangeDataBinder createDataBinder(ServerWebExchange exchange,
                                              @Nullable
                                              Object target,
                                              String name)
```
    Create a WebExchangeDataBinder to apply data binding and validation with on the target, command object.
    Parameters:
    exchange - the current exchange
    target - the object to create a data binder for
    name - the name of the target object
    Returns:
    the created data binder
    Throws:
    ServerErrorException - if @InitBinder method invocation fails
  - initDataBinder
```
protected WebExchangeDataBinder initDataBinder(WebExchangeDataBinder binder,
                                               ServerWebExchange exchange)
```
    Initialize the data binder instance for the given exchange.
    Throws:
    ServerErrorException - if @InitBinder method invocation fails
  - createDataBinder
```
public WebExchangeDataBinder createDataBinder(ServerWebExchange exchange,
                                              String name)
```
    Create a WebExchangeDataBinder without a target object for type conversion of request values to simple types.
    Parameters:
    exchange - the current exchange
    name - the name of the target object
    Returns:
    the created data binder
    Throws:
    ServerErrorException - if @InitBinder method invocation fails

Constructor	Description
`BindingContext()`	Create a new `BindingContext`.
`BindingContext(WebBindingInitializer initializer)`	Create a new `BindingContext` with the given initializer.

Class BindingContext

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

BindingContext

BindingContext

Method Detail

getModel

createDataBinder

initDataBinder

createDataBinder