IInputValidator (Eclipse Platform API Specification)

```
public interface IInputValidator
```
The IInputValidator is the interface for simple validators.

See Also:

InputDialog

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  String isValid(String newText)
  Validates the given string.

- Method Detail
  - isValid
```
String isValid(String newText)
```
    Validates the given string. Returns an error message to display if the new text is invalid. Returns null if there is no error. Note that the empty string is not treated the same as null; it indicates an error state but with no message to display.
    
    Parameters:
    
    newText - the text to check for validity
    
    Returns:
    
    an error message or null if no error