.. _-validate-java-: validate ======== Allows validating a precondition before handling a route. Description ----------- Checks an arbitrary condition and passes control to the inner route if it returns ``true``. Otherwise, rejects the request with a ``ValidationRejection`` containing the given error message. Example ------- TODO: Example snippets for JavaDSL are subject to community contributions! Help us complete the docs, read more about it here: `write example snippets for Akka HTTP Java DSL #20466 `_.