org.apache.nutch.parse.feed

## Class FeedParser

- java.lang.Object
- - org.apache.nutch.parse.feed.FeedParser

- All Implemented Interfaces:
    Configurable, Parser, Pluggable

      public class FeedParser
      extends Object
      implements Parser

  Since:
    NUTCH-444

    A new RSS/ATOM Feed`Parser` that rapidly parses all referenced links and content present in the feed.

  Author:
    dogacan, mattmann

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static String` | `CHARSET_UTF8`
    `static String` | `TEXT_PLAIN_CONTENT_TYPE`

    - ### Fields inherited from interface org.apache.nutch.parse.Parser

      `X_POINT_ID`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `FeedParser()`

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `Configuration` | `getConf()`
    `ParseResult` | `getParse(Content content)` Parses the given feed and extracts out and parsers all linked items within the feed, using the underlying ROME feed parsing library.
    `static void` | `main(String[] args)` Runs a command line version of this `Parser`.
    `void` | `setConf(Configuration conf)` Sets the `Configuration` object for this `Parser`.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### CHARSET_UTF8

          public static final String CHARSET_UTF8

      See Also:
        Constant Field Values

    - #### TEXT_PLAIN_CONTENT_TYPE

          public static final String TEXT_PLAIN_CONTENT_TYPE

      See Also:
        Constant Field Values

  - ### Constructor Detail

    - #### FeedParser

          public FeedParser()

  - ### Method Detail

    - #### getParse

          public ParseResult getParse(Content content)

      Parses the given feed and extracts out and parsers all linked items within the feed, using the underlying ROME feed parsing library.
      Specified by:
        `getParse` in interface `Parser`
      Parameters:
        `content` - A `Content` object representing the feed that is being parsed by this `Parser`.
      Returns:
        A `ParseResult` containing all `Parse`d feeds that were present in the feed file that this `Parser` dealt with.

    - #### setConf

          public void setConf(Configuration conf)

      Sets the `Configuration` object for this `Parser`. This `Parser` expects the following configuration properties to be set:
      - URLNormalizers - properties in the configuration object to set up the default url normalizers.
      - URLFilters - properties in the configuration object to set up the default url filters.
      Specified by:
        `setConf` in interface `Configurable`
      Parameters:
        `conf` - The Hadoop `Configuration` object to use to configure this `Parser`.

    - #### getConf

          public Configuration getConf()

      Specified by:
        `getConf` in interface `Configurable`
      Returns:
        The `Configuration` object used to configure this `Parser`.

    - #### main

          public static void main(String[] args)
                           throws Exception

      Runs a command line version of this `Parser`.
      Parameters:
        `args` - A single argument (expected at arg[0]) representing a path on the local filesystem that points to a feed file.
      Throws:
        `Exception` - If any error occurs.

Copyright © 2020 The Apache Software Foundation