NotNullValidator (swing-extensions 1.4.0 API)

java.lang.Object
- io.github.jonestimd.swing.validation.NotNullValidator<V>

Type Parameters:

V - the class of the value

All Implemented Interfaces:

Validator<V>
```
public class NotNullValidator<V>
extends java.lang.Object
implements Validator<V>
```
A validation that returns an error if the value is null.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  NotNullValidator(java.lang.String message)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  java.lang.String validate(V value)
  Validate a value.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods inherited from interface io.github.jonestimd.swing.validation.Validator
    add, add, then, when, whenNot

- Constructor Detail
  - NotNullValidator
```
public NotNullValidator(java.lang.String message)
```
- Method Detail
  - validate
```
public java.lang.String validate(V value)
```
    Description copied from interface: Validator
    
    Validate a value.
    
    Specified by:
    
    validate in interface Validator<V>
    
    Parameters:
    
    value - the value to validate
    
    Returns:
    
    a description of the validation errors or null