RequiredFieldValidator (SNAP Desktop API)

java.lang.Object
- javax.swing.InputVerifier
- - org.esa.snap.ui.tooladapter.validators.TextFieldValidator
  - - org.esa.snap.ui.tooladapter.validators.RequiredFieldValidator

```
public class RequiredFieldValidator
extends TextFieldValidator
```
Simple class for validating that a text component has no null or empty input.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  RequiredFieldValidator(String message)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  protected boolean verifyValue(String text)
  - Methods inherited from class org.esa.snap.ui.tooladapter.validators.TextFieldValidator
    verify
  - Methods inherited from class javax.swing.InputVerifier
    shouldYieldFocus, shouldYieldFocus, verifyTarget
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RequiredFieldValidator
```
public RequiredFieldValidator(String message)
```
- Method Detail
  - verifyValue
```
protected boolean verifyValue(String text)
```
    Specified by:
    
    verifyValue in class TextFieldValidator