# Uses of Package
org.apache.nutch.protocol

- Packages that use org.apache.nutch.protocol
  Package | Description
  --- | ---
  org.apache.nutch.analysis.lang | Text document language identifier.
  org.apache.nutch.any23 | This packages uses the Apache Any23 library for parsing and extracting structured data in RDF format from a variety of Web documents.
  org.apache.nutch.crawl | Crawl control code and tools to run the crawler.
  org.apache.nutch.microformats.reltag | A microformats Rel-Tag Parser/Indexer/Querier plugin.
  org.apache.nutch.parse | The `Parse` interface and related classes.
  org.apache.nutch.parse.ext | Parse wrapper to run external command to do the parsing.
  org.apache.nutch.parse.feed | Parse RSS feeds.
  org.apache.nutch.parse.headings | Parse filter to extract headings (h1, h2, etc.) from DOM parse tree.
  org.apache.nutch.parse.html | An HTML document parsing plugin.
  org.apache.nutch.parse.js | Parser and parse filter plugin to extract all (possible) links from JavaScript files and embedded JavaScript code snippets.
  org.apache.nutch.parse.metatags | Parse filter to extract meta tags: keywords, description, etc.
  org.apache.nutch.parse.tika | Parse various document formats with help of Apache Tika.
  org.apache.nutch.parse.zip | Parse ZIP files: embedded files are recursively passed to appropriate parsers.
  org.apache.nutch.parsefilter.debug | Adds serialized DOM to parse data, useful for debugging, to understand how the parser implementation interprets a document (not only HTML).
  org.apache.nutch.parsefilter.naivebayes | Html Parse filter that classifies the outlinks from the parseresult as relevant or irrelevant based on the parseText's relevancy (using a training file where you can give positive and negative example texts see the description of parsefilter.naivebayes.trainfile) and if found irrelevent it gives the link a second chance if it contains any of the words from the list given in parsefilter.naivebayes.wordlist.
  org.apache.nutch.parsefilter.regex | RegexParseFilter.
  org.apache.nutch.protocol | Classes related to the `Protocol` interface, see also `org.apache.nutch.net.protocols`.
  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.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.http.api | Common API used by HTTP plugins (`http`, `httpclient`, etc.)
  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 | The `ScoringFilter` interface.
  org.apache.nutch.scoring.depth | Scoring filter to stop crawling at a configurable depth (number of "hops" from seed URLs).
  org.apache.nutch.scoring.link | Scoring filter used in conjunction with `WebGraph`.
  org.apache.nutch.scoring.metadata | Metadata Scoring Plugin
  org.apache.nutch.scoring.opic | Scoring filter implementing a variant of the Online Page Importance Computation (OPIC) algorithm.
  org.apache.nutch.scoring.similarity |
  org.apache.nutch.scoring.similarity.cosine | Implements the cosine similarity metric for scoring relevant documents
  org.apache.nutch.scoring.urlmeta | URL Meta Tag Scoring Plugin
  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.util | Miscellaneous utility classes.
  org.creativecommons.nutch | Sample plugins that parse and index Creative Commons metadata.

- Classes in org.apache.nutch.protocol used by org.apache.nutch.analysis.lang
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.any23
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.crawl
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.microformats.reltag
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.parse
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.parse.ext
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.parse.feed
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.parse.headings
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.parse.html
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.parse.js
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.parse.metatags
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.parse.tika
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.parse.zip
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.parsefilter.debug
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.parsefilter.naivebayes
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.parsefilter.regex
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol
  Class | Description
  --- | ---
  Content |
  Protocol | A retriever of url content.
  ProtocolException |
  ProtocolNotFound |
  ProtocolOutput | Simple aggregate to pass from protocol plugins both content and protocol status.
  ProtocolStatus |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.file
  Class | Description
  --- | ---
  Content |
  Protocol | A retriever of url content.
  ProtocolException |
  ProtocolOutput | Simple aggregate to pass from protocol plugins both content and protocol status.

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.ftp
  Class | Description
  --- | ---
  Content |
  Protocol | A retriever of url content.
  ProtocolException |
  ProtocolOutput | Simple aggregate to pass from protocol plugins both content and protocol status.
  RobotRulesParser | This class uses crawler-commons for handling the parsing of `robots.txt` files.

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.htmlunit
  Class | Description
  --- | ---
  Protocol | A retriever of url content.
  ProtocolException |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.http
  Class | Description
  --- | ---
  Protocol | A retriever of url content.
  ProtocolException |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.http.api
  Class | Description
  --- | ---
  Content |
  Protocol | A retriever of url content.
  ProtocolException |
  ProtocolOutput | Simple aggregate to pass from protocol plugins both content and protocol status.
  RobotRulesParser | This class uses crawler-commons for handling the parsing of `robots.txt` files.

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.httpclient
  Class | Description
  --- | ---
  Protocol | A retriever of url content.
  ProtocolException |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.interactiveselenium
  Class | Description
  --- | ---
  Protocol | A retriever of url content.
  ProtocolException |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.okhttp
  Class | Description
  --- | ---
  Protocol | A retriever of url content.
  ProtocolException |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.protocol.selenium
  Class | Description
  --- | ---
  Protocol | A retriever of url content.
  ProtocolException |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.scoring
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.scoring.depth
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.scoring.link
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.scoring.metadata
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.scoring.opic
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.scoring.similarity
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.scoring.similarity.cosine
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.scoring.urlmeta
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.segment
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.tools
  Class | Description
  --- | ---
  Content |

- Classes in org.apache.nutch.protocol used by org.apache.nutch.util
  Class | Description
  --- | ---
  Content |
  ProtocolOutput | Simple aggregate to pass from protocol plugins both content and protocol status.

- Classes in org.apache.nutch.protocol used by org.creativecommons.nutch
  Class | Description
  --- | ---
  Content |