# Uses of Package
org.apache.nutch.metadata

Packages that use org.apache.nutch.metadata
Package
Description
org.apache.nutch.indexer
Index content, configure and run indexing and cleaning jobs to add, update, and delete documents from an index.
org.apache.nutch.metadata
A Multi-valued Metadata container, and set of constant fields for Nutch Metadata.
org.apache.nutch.net.protocols
Helper classes related to the `Protocol` interface, see also `org.apache.nutch.protocol`.
org.apache.nutch.parse
The `Parse` interface and related classes.
org.apache.nutch.protocol
Classes related to the `Protocol` interface, see also `org.apache.nutch.net.protocols`.
org.apache.nutch.protocol.htmlunit
Protocol plugin which supports retrieving documents via HTTP/HTTPS using Selenium and the HtmlUnitDriver web driver for the for the HtmlUnit headless browser.
org.apache.nutch.protocol.http
Protocol plugin which supports retrieving documents via the http protocol.
org.apache.nutch.protocol.httpclient
Protocol plugin which supports retrieving documents via the HTTP andHTTPS protocols, optionally with Basic, Digest and NTLM authentication schemes for web server as well as proxy server.
org.apache.nutch.protocol.interactiveselenium
Protocol plugin which supports retrieving documents using and interacting with Selenium.
org.apache.nutch.protocol.okhttp
Protocol plugin for HTTP/HTTPS based on okhttp, supports HTTP 1.1 and/or http/2.
org.apache.nutch.protocol.selenium
Protocol plugin which supports retrieving documents via Selenium.
org.apache.nutch.scoring.webgraph
Scoring implementation based on link analysis (`LinkRank`), see `WebGraph`.
org.apache.nutch.segment
A segment stores all data from on generate/fetch/update cycle: fetch list, protocol status, raw content, parsed content, and extracted outgoing links.
org.apache.nutch.tools
Miscellaneous tools.
org.apache.nutch.tools.warc
Tools to import / export between Nutch segments and WARC archives.
org.creativecommons.nutch
Sample plugins that parse and index Creative Commons metadata.

- Classes in org.apache.nutch.metadata used by org.apache.nutch.indexer
  Class
  Description
  Metadata
  A multi-valued metadata container.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.metadata
  Class
  Description
  CaseInsensitiveMetadata
  A decorator to Metadata that adds for case-insensitive lookup of keys.
  CreativeCommons
  A collection of Creative Commons properties names.
  DublinCore
  A collection of Dublin Core metadata names.
  Feed
  A collection of Feed property names extracted by the ROME library.
  HttpHeaders
  A collection of HTTP header names.
  Metadata
  A multi-valued metadata container.
  Nutch
  A collection of Nutch internal metadata constants.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.net.protocols
  Class
  Description
  HttpHeaders
  A collection of HTTP header names.
  Metadata
  A multi-valued metadata container.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.parse
  Class
  Description
  Metadata
  A multi-valued metadata container.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.protocol
  Class
  Description
  Metadata
  A multi-valued metadata container.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.protocol.htmlunit
  Class
  Description
  HttpHeaders
  A collection of HTTP header names.
  Metadata
  A multi-valued metadata container.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.protocol.http
  Class
  Description
  HttpHeaders
  A collection of HTTP header names.
  Metadata
  A multi-valued metadata container.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.protocol.httpclient
  Class
  Description
  HttpHeaders
  A collection of HTTP header names.
  Metadata
  A multi-valued metadata container.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.protocol.interactiveselenium
  Class
  Description
  HttpHeaders
  A collection of HTTP header names.
  Metadata
  A multi-valued metadata container.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.protocol.okhttp
  Class
  Description
  HttpHeaders
  A collection of HTTP header names.
  Metadata
  A multi-valued metadata container.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.protocol.selenium
  Class
  Description
  HttpHeaders
  A collection of HTTP header names.
  Metadata
  A multi-valued metadata container.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.scoring.webgraph
  Class
  Description
  Metadata
  A multi-valued metadata container.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.segment
  Class
  Description
  Metadata
  A multi-valued metadata container.
  MetaWrapper
  This is a simple decorator that adds metadata to any Writable-s that can be serialized by `NutchWritable`.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.tools
  Class
  Description
  Metadata
  A multi-valued metadata container.
- Classes in org.apache.nutch.metadata used by org.apache.nutch.tools.warc
  Class
  Description
  Metadata
  A multi-valued metadata container.
- Classes in org.apache.nutch.metadata used by org.creativecommons.nutch
  Class
  Description
  Metadata
  A multi-valued metadata container.