[TOC]

org.apache.nutch.protocol

Class ProtocolFactory

public class ProtocolFactory
extends 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.

Field Summary

Fields Modifier and Type Field and Description static org.slf4j.Logger LOG

Constructor Summary

Constructors Constructor and Description ProtocolFactory(org.apache.hadoop.conf.Configuration conf)

Method Summary

Methods Modifier and Type Method and Description Protocol getProtocol(String urlString) Returns the appropriate Protocol implementation for a url.

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Methods inherited from class java.lang.Object

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

Field Detail

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LOG

public static final org.slf4j.Logger LOG

Constructor Detail

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ProtocolFactory

public ProtocolFactory(org.apache.hadoop.conf.Configuration conf)

Method Detail

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getProtocol

public Protocol getProtocol(String urlString)
                     throws ProtocolNotFound

Returns the appropriate Protocol implementation for a url.

  - Parameters:
  - <code>urlString</code> - Url String 
  - Returns:
  - The appropriate [<code>Protocol</code>](../../../../org/apache/nutch/protocol/Protocol.html) implementation for a given [<code>URL</code>](http://java.sun.com/javase/6/docs/api/java/net/URL.html?is-external=true). 
  - Throws: 
  - <code>ProtocolNotFound</code> - when Protocol can not be found for urlString

Copyright © 2014 The Apache Software Foundation