Nutch 1.1 API

Nutch is the open-source search engine.

See:
Description

Core

org.apache.nutch.analysis	Tokenizer for documents and query parser.
org.apache.nutch.clustering
org.apache.nutch.crawl	Crawl control code.
org.apache.nutch.fetcher	The Nutch robot.
org.apache.nutch.html
org.apache.nutch.indexer	Maintain Lucene full-text indexes.
org.apache.nutch.indexer.field
org.apache.nutch.indexer.lucene
org.apache.nutch.indexer.solr
org.apache.nutch.metadata	A Multi-valued Metadata container, and set of constant fields for Nutch Metadata.
org.apache.nutch.net
org.apache.nutch.net.protocols
org.apache.nutch.ontology
org.apache.nutch.parse
org.apache.nutch.plugin	The Nutch Plugin System.
org.apache.nutch.protocol
org.apache.nutch.scoring
org.apache.nutch.scoring.webgraph
org.apache.nutch.searcher	Search API
org.apache.nutch.searcher.response
org.apache.nutch.segment
org.apache.nutch.servlet
org.apache.nutch.tools
org.apache.nutch.tools.arc
org.apache.nutch.tools.compat
org.apache.nutch.util
org.apache.nutch.util.domain	org.apache.nutch.util.domain

Plugins API

org.apache.nutch.parse.ms	Common API for Microsoft © documents parsing.
org.apache.nutch.protocol.http.api	Common API used by HTTP plugins (http, httpclient)
org.apache.nutch.urlfilter.api

Protocol Plugins

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.httpclient	Protocol plugin which supports retrieving documents via the HTTP and HTTPS protocols, optionally with Basic, Digest and NTLM authentication schemes for web server as well as proxy server.

URL Filter Plugins

org.apache.nutch.urlfilter.automaton	A url filter plugin based on dk.brics.automaton Finite-State Automata for JavaTM.
org.apache.nutch.urlfilter.prefix	A url filter plugin.
org.apache.nutch.urlfilter.regex	A url filter plugin.

Scoring Plugins

org.apache.nutch.scoring.opic

Parse Plugins

org.apache.nutch.parse.ext
org.apache.nutch.parse.html	An HTML document parsing plugin.
org.apache.nutch.parse.js
org.apache.nutch.parse.msexcel	A Microsoft © Excel document parsing plugin.
org.apache.nutch.parse.mspowerpoint	A Microsoft © PowerPoint document parsing plugin.
org.apache.nutch.parse.msword	A Microsoft © Word document parsing plugin.
org.apache.nutch.parse.msword.chp
org.apache.nutch.parse.oo
org.apache.nutch.parse.pdf	A pdf parsing plugin.
org.apache.nutch.parse.rss
org.apache.nutch.parse.rss.structs
org.apache.nutch.parse.swf
org.apache.nutch.parse.text	A plain text parsing plugin.
org.apache.nutch.parse.zip

Indexing Filter Plugins

org.apache.nutch.indexer.basic	A basic indexing plugin.
org.apache.nutch.indexer.more	A more indexing plugin.

Query Filter Plugins

org.apache.nutch.searcher.basic
org.apache.nutch.searcher.more	A more query plugin.
org.apache.nutch.searcher.site
org.apache.nutch.searcher.url

Summary Plugins

org.apache.nutch.summary.basic	A basic summarizer implementation.
org.apache.nutch.summary.lucene	A Lucene Highlighter based summarizer implementation.

Clustering Plugins

org.apache.nutch.clustering.carrot2

Ontology Plugins

org.apache.nutch.ontology.jena

Misc. Plugins

org.apache.nutch.analysis.lang	Text document language identifier.
org.apache.nutch.microformats.reltag	A microformats Rel-Tag Parser/Indexer/Querier plugin.
org.creativecommons.nutch	Sample plugins that parse and index Creative Commons medadata.

Nutch is the open-source search engine.