}
public boolean isValid(Object value, ConstraintValidatorContext constraintValidatorContext) {
Object evaluationResult;
ScriptEvaluator scriptEvaluator;
try {
ScriptEvaluatorFactory evaluatorFactory = ScriptEvaluatorFactory.getInstance();
scriptEvaluator = evaluatorFactory.getScriptEvaluatorByLanguageName( languageName );
}
catch ( ScriptException e ) {
throw new ConstraintDeclarationException( e );
}
try {
evaluationResult = scriptEvaluator.evaluate( script, value, alias );
}
catch ( ScriptException e ) {
throw new ConstraintDeclarationException(
"Error during execution of script \"" + script + "\" occurred.", e
);