# Uses of Class
org.apache.nutch.plugin.Extension

Packages that use Extension
Package
Description
org.apache.nutch.parse
The `Parse` interface and related classes.
org.apache.nutch.plugin
The Nutch `Plugin` System.

- ## Uses of Extension in org.apache.nutch.parse

  Methods in org.apache.nutch.parse that return types with arguments of type Extension
  Modifier and Type
  Method
  Description
  `protected List<Extension>`
  ParserFactory.`getExtensions(String contentType)`
  Finds the best-suited parse plugin for a given contentType.

- ## Uses of Extension in org.apache.nutch.plugin

  Methods in org.apache.nutch.plugin that return Extension
  Modifier and Type
  Method
  Description
  `Extension[]`
  ExtensionPoint.`getExtensions()`
  Returns a array of extensions that lsiten to this extension point
  `Extension[]`
  PluginDescriptor.`getExtensions()`
  Returns an array of extensions.
  Methods in org.apache.nutch.plugin with parameters of type Extension
  Modifier and Type
  Method
  Description
  `void`
  ExtensionPoint.`addExtension(Extension extension)`
  Install a coresponding extension to this extension point.
  `void`
  PluginDescriptor.`addExtension(Extension pExtension)`
  Adds a extension.