@Override
public ValidationResult validate(String subject, String input, ValidationContext context) {
if (context.isExpressionLanguageSupported(subject)
&& context.isExpressionLanguagePresent(input)) {
final AttributeExpression.ResultType resultType =
context.newExpressionLanguageCompiler().getResultType(input);
if (!resultType.equals(AttributeExpression.ResultType.STRING)) {
return new ValidationResult.Builder()
.subject(subject)
.input(input)
.valid(false)
.explanation(
"Expected property to to return type "
+ AttributeExpression.ResultType.STRING
+ " but expression returns type "
+ resultType)
.build();
}
return new ValidationResult.Builder()
.subject(subject)
.input(input)
.valid(true)
.explanation("Property returns type " + AttributeExpression.ResultType.STRING)
.build();
}
return DPV_RE_VALIDATOR.validate(subject, input, context);
}
