ExpressionValidator (Geotools modules 31-SNAPSHOT API)

Object
- YsldValidateHandler
- - ScalarValidator
  - - ExpressionValidator

public class ExpressionValidator
extends ScalarValidator

Validator for expressions

Author:: Kevin Smith, Boundless

- Constructor Summary
  
  Constructors
  Constructor Description
  
  ExpressionValidator()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  protected String validate(String value, ScalarEvent evt, YsldValidateContext context)
  - Methods inherited from class ScalarValidator
    alias, scalar
  - Methods inherited from class YsldValidateHandler
    endMapping, endSequence, mapping, sequence
  - Methods inherited from class Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ExpressionValidator
```
public ExpressionValidator()
```
- Method Detail
  - validate
```
protected String validate(String value,
                          ScalarEvent evt,
                          YsldValidateContext context)
```
    Specified by:
    
    validate in class ScalarValidator
    
    Returns:
    
    Null if the value successfully validates, otherwise a String containing the validation error message.