# Uses of Package
org.apache.nutch.protocol

- Packages that use org.apache.nutch.protocol
  Package | Description
  --- | ---
  org.apache.nutch.protocol | Classes related to the `Protocol` interface, see also `org.apache.nutch.net.protocols`.
  org.apache.nutch.protocol.file | Protocol plugin which supports retrieving local file resources.
  org.apache.nutch.protocol.ftp | Protocol plugin which supports retrieving documents via the ftp protocol.
  org.apache.nutch.protocol.http | Protocol plugin which supports retrieving documents via the http protocol.
  org.apache.nutch.protocol.http.api | Common API used by HTTP plugins (`http`, `httpclient`)
  org.apache.nutch.protocol.sftp | Protocol plugin which supports retrieving documents via the sftp protocol.

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol
  Class and Description
  Content
  Protocol A retriever of url content.
  ProtocolException
  ProtocolNotFound
  ProtocolOutput Simple aggregate to pass from protocol plugins both content and protocol status.
  ProtocolStatusCodes

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.file
  Class and Description
  Content
  Protocol A retriever of url content.
  ProtocolException
  ProtocolOutput Simple aggregate to pass from protocol plugins both content and protocol status.

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.ftp
  Class and Description
  Content
  Protocol A retriever of url content.
  ProtocolException
  ProtocolOutput Simple aggregate to pass from protocol plugins both content and protocol status.
  RobotRulesParser This class uses crawler-commons for handling the parsing of `robots.txt` files.

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.http
  Class and Description
  Protocol A retriever of url content.
  ProtocolException

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.http.api
  Class and Description
  Protocol A retriever of url content.
  ProtocolException
  ProtocolOutput Simple aggregate to pass from protocol plugins both content and protocol status.
  RobotRulesParser This class uses crawler-commons for handling the parsing of `robots.txt` files.

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.sftp
  Class and Description
  Protocol A retriever of url content.
  ProtocolOutput Simple aggregate to pass from protocol plugins both content and protocol status.

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