.. _-extractMaterializer-java-: extractMaterializer =================== Description ----------- Extracts the ``Materializer`` from the ``RequestContext``, which can be useful when you want to run an Akka Stream directly in your route. See also :ref:`-withMaterializer-java-` to see how to customise the used materializer for specific inner routes. Example ------- .. includecode:: ../../../../code/docs/http/javadsl/server/directives/BasicDirectivesExamplesTest.java#extractMaterializer