Github user mcgilman commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2934#discussion_r207559164
--- Diff:
nifi-commons/nifi-utils/src/main/java/org/apache/nifi/processor/util/StandardValidators.java
---
@@ -390,6 +391,19 @@ public ValidationResult validate(final String subject,
final String input, final
}
};
+ public static final Validator URI_LIST_VALIDATOR = (subject, input,
context) -> {
+
+ if (context.isExpressionLanguageSupported(subject) &&
context.isExpressionLanguagePresent(input)) {
+ return new
ValidationResult.Builder().subject(subject).input(input).explanation("Expression
Language Present").valid(true).build();
+ }
+ Optional<ValidationResult> invalidUri =
Arrays.stream(input.split(","))
--- End diff --
I believe the way this stream is set up that an input of empty string would
be considered valid.
---
