com.vaadin.flow.data.binder.RequiredFieldConfiguratorUtil API 23.1.17 | Vaadin

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com.vaadin.flow.data.binder.

java.lang.Object
- com.vaadin.flow.data.binder.RequiredFieldConfiguratorUtil

```
public class RequiredFieldConfiguratorUtil
extends Object
```
Helper methods used by RequiredFieldConfigurator. The methods are extracted to a separate class to prevent populating the public API of the RequiredFieldConfigurator interface.

Since:

1.0

Author:

Vaadin Ltd

Method Summary

All Methods
Modifier and Type	Method	Description
`static boolean`	`hasZeroSize(Object value)`	Checks whether the given object would be considered empty according to the `Size` constraint.
`static boolean`	`testConvertedDefaultValue(Binder.BindingBuilder<?,?> binding, Predicate<Object> predicate)`	Tests the converted default value of the provided binding builder if possible.

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

- Method Detail
  - hasZeroSize
```
public static boolean hasZeroSize(Object value)
```
    Checks whether the given object would be considered empty according to the Size constraint.
    
    Parameters:
    
    value - the value to check
    
    Returns:
    
    true if the value is supported by the size constraint, otherwise false
  - testConvertedDefaultValue
```
public static boolean testConvertedDefaultValue(Binder.BindingBuilder<?,?> binding,
                                                Predicate<Object> predicate)
```
    Tests the converted default value of the provided binding builder if possible.
    
    Parameters:
    
    binding - the binding builder to test
    
    predicate - predicate for testing the converted default value
    
    Returns:
    
    true if a converted default value is available and it passes the test; false if no converted default value is available or if it doesn't pass the test