17 lines
433 B
ReStructuredText
17 lines
433 B
ReStructuredText
.. _-extract-java-:
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extract
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=======
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Description
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-----------
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The ``extract`` directive is used as a building block for :ref:`Custom Directives-java` to extract data from the
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``RequestContext`` and provide it to the inner route.
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See :ref:`ProvideDirectives-java` for an overview of similar directives.
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Example
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-------
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.. includecode:: ../../../../code/docs/http/javadsl/server/directives/BasicDirectivesExamplesTest.java#extract
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