org.apache.nutch.protocol

## Class ProtocolFactory

- java.lang.Object
- - org.apache.nutch.protocol.ProtocolFactory

-     public class ProtocolFactory
      extends java.lang.Object

  Creates and caches `Protocol` plugins. Protocol plugins should define the attribute "protocolName" with the name of the protocol that they implement. Configuration object is used for caching. Cache key is constructed from appending protocol name (eg. http) to constant `Protocol.X_POINT_ID`.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `ProtocolFactory(Configuration conf)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `java.util.Collection<WebPage.Field>` | `getFields()`
    `Protocol` | `getProtocol(java.lang.String urlString)` Returns the appropriate `Protocol` implementation for a url.

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

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

- - ### Constructor Detail

    - #### ProtocolFactory

          public ProtocolFactory(Configuration conf)

  - ### Method Detail

    - #### getProtocol

          public Protocol getProtocol(java.lang.String urlString)
                               throws ProtocolNotFound

      Returns the appropriate `Protocol` implementation for a url.
      Parameters:
        `urlString` - Url String
      Returns:
        The appropriate `Protocol` implementation for a given `URL`.
      Throws:
        `ProtocolNotFound` - when Protocol can not be found for urlString

    - #### getFields

          public java.util.Collection<WebPage.Field> getFields()

Copyright © 2019 The Apache Software Foundation