# Hierarchy For Package org.apache.nutch.protocol

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.nutch.protocol.Content (implements org.apache.hadoop.io.Writable)
  - org.apache.nutch.protocol.ProtocolFactory
  - org.apache.nutch.protocol.ProtocolOutput
  - org.apache.nutch.protocol.ProtocolStatus (implements org.apache.hadoop.io.Writable)
  - org.apache.nutch.protocol.RobotRulesParser (implements org.apache.hadoop.util.Tool)
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - org.apache.nutch.protocol.ProtocolException
        - org.apache.nutch.protocol.ProtocolNotFound

## Interface Hierarchy

- org.apache.hadoop.conf.Configurable
  - org.apache.nutch.protocol.Protocol (also extends org.apache.nutch.plugin.Pluggable)
- org.apache.nutch.plugin.Pluggable
  - org.apache.nutch.protocol.Protocol (also extends org.apache.hadoop.conf.Configurable)