Uses of Class
org.apache.nutch.crawl.CrawlDatum

Packages that use CrawlDatum
Package
Description
Text document language identifier.
Crawl control code and tools to run the crawler.
The Nutch multi-threaded fetching module
 
Index content, configure and run indexing and cleaning jobs to add, update, and delete documents from an index.
An indexing plugin for inbound anchor text.
Indexing filter to add document arbitrary data to the index from the output of a user-specified class.
A basic indexing plugin, adds basic fields: url, host, title, content, etc.
Indexing filter to index meta data from RSS feeds.
 
This plugin implements an indexing filter which takes advantage of the GeoIP2-java API.
This plugin implements a dynamic indexing filter which uses JEXL expressions to allow filtering based on the page's metadata
 
Indexing filter to add document metadata to the index.
A more indexing plugin, adds "more" index fields:last modified date, MIME type, content length.
Indexing filter to allow pattern replacements on metadata.
A simple plugin called at indexing that adds fields with static data.
Indexing filter to assign documents to subcollections.
Top Level Domain Indexing plugin.
URL Meta Tag Indexing Plugin
A microformats Rel-Tag Parser/Indexer/Querier plugin.
Classes related to the Protocol interface, see also org.apache.nutch.net.protocols.
Protocol plugin which supports retrieving local file resources.
Protocol plugin which supports retrieving documents via the ftp protocol.
Protocol plugin which supports retrieving documents via HTTP/HTTPS using Selenium and the HtmlUnitDriver web driver for the for the HtmlUnit headless browser.
Protocol plugin which supports retrieving documents via the http protocol.
Common API used by HTTP plugins (http, httpclient, etc.)
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.
Protocol plugin which supports retrieving documents using and interacting with Selenium.
Protocol plugin for HTTP/HTTPS based on okhttp, supports HTTP 1.1 and/or http/2.
Protocol plugin which supports retrieving documents via Selenium.
The ScoringFilter interface.
Scoring filter to stop crawling at a configurable depth (number of "hops" from seed URLs).
Scoring filter used in conjunction with WebGraph.
Metadata Scoring Plugin
Scoring filter implementing a variant of the Online Page Importance Computation (OPIC) algorithm.
Scoring filter to modify score or status of orphaned pages (no inlinks found for a configurable amount of time).
 
Implements the cosine similarity metric for scoring relevant documents
URL Meta Tag Scoring Plugin
A segment stores all data from on generate/fetch/update cycle: fetch list, protocol status, raw content, parsed content, and extracted outgoing links.
Miscellaneous utility classes.
Sample plugins that parse and index Creative Commons metadata.