org.erowid.sperowider
Class Downloader

java.lang.Object
  org.erowid.sperowider.ASpiderBase
      org.erowid.sperowider.Downloader

public class Downloader

extends ASpiderBase

Downloads files to the local drive.

Version:

$Header: /cvsroot/sperowider/SPEROWIDER_MODULE/javasource/org/erowid/sperowider/Downloader.java,v 1.28 2005/03/12 21:07:17 gurustu Exp $

Author:

Stu Statman

Field Summary

Fields inherited from class org.erowid.sperowider.ASpiderBase

ALREADY_GRABBED, BAD_HTTP_RESPONSE, EXCEPTION, FILTER_FAILURE, SPEROWIDER_USER_AGENT, SPEROWIDER_USER_AGENT_NAME, SPEROWIDER_USER_AGENT_VERSION, SUCCESS

Constructor Summary

Downloader(SperowiderContext context)
Instantiates a downloader, with a given download model.

Method Summary

int	handleConnection(String sourceUrl, HttpURLConnection bConnection) Delegates to the appropriate AHandler.
void	handleConnectionException(String sourceUrl, Throwable e) IO exceptions get marked as invalid URLs.

Methods inherited from class org.erowid.sperowider.ASpiderBase

getDownloadStatisticCount, getHttpResponseCodeCount, getTotalDownloadAttempts, getTotalHttpAttempts, spider

Methods inherited from class java.lang.Object

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

Constructor Detail

Downloader

public Downloader(SperowiderContext context)

Instantiates a downloader, with a given download model. The download root is where it should download to.

Method Detail

handleConnection

public int handleConnection(String sourceUrl,
                            HttpURLConnection bConnection)

Delegates to the appropriate AHandler.

Specified by:

handleConnection in class ASpiderBase

handleConnectionException

public void handleConnectionException(String sourceUrl,
                                      Throwable e)

IO exceptions get marked as invalid URLs. Other exceptions just get logged.

Specified by:

handleConnectionException in class ASpiderBase