BindingContext (Spring Framework 5.1.0.RELEASE API)

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

```
public class BindingContext
extends java.lang.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 and 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 and Description
`WebExchangeDataBinder`	`createDataBinder(ServerWebExchange exchange, java.lang.Object target, java.lang.String name)` Create a `WebExchangeDataBinder` to apply data binding and validation with on the target, command object.
`WebExchangeDataBinder`	`createDataBinder(ServerWebExchange exchange, java.lang.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
                                              java.lang.Object target,
                                              java.lang.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,
                                              java.lang.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

Class BindingContext

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

BindingContext

BindingContext

Method Detail

getModel

createDataBinder

initDataBinder

createDataBinder