org.apache.nutch.protocol
Class ProtocolFactory

java.lang.Object
  extended by org.apache.nutch.protocol.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
static org.apache.commons.logging.Log LOG
           
 
Constructor Summary
ProtocolFactory(Configuration conf)
           
 
Method Summary
 Protocol getProtocol(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
 

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG
Constructor Detail

ProtocolFactory

public ProtocolFactory(Configuration conf)
Method Detail

getProtocol

public Protocol getProtocol(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


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