org.semanticdesktop.aperture.crawler.filesystem
Class FileSystemCrawler

java.lang.Object
  org.semanticdesktop.aperture.crawler.base.CrawlerBase
      org.semanticdesktop.aperture.crawler.filesystem.FileSystemCrawler

All Implemented Interfaces:

Crawler

public class FileSystemCrawler
extends CrawlerBase

A Crawler implementation for crawling file system sources modeled by a FileSystemDataSource.

Field Summary

Fields inherited from class org.semanticdesktop.aperture.crawler.base.CrawlerBase

accessData, accessorRegistry, crawlReportFile, stopRequested

Constructor Summary

FileSystemCrawler()

Method Summary

protected ExitCode

crawlObjects() Method called by crawl() that should implement the actual crawling of the DataSource.

Methods inherited from class org.semanticdesktop.aperture.crawler.base.CrawlerBase

clear, clear, crawl, getAccessData, getCrawlerHandler, getCrawlReport, getCrawlReportFile, getDataAccessorRegistry, getDataSource, getRDFContainerFactory, inDomain, isStopRequested, reportAccessingObject, reportDeletedDataObject, reportFatalErrorCause, reportFatalErrorCause, reportFatalErrorCause, reportModifiedDataObject, reportNewDataObject, reportUnmodifiedDataObject, reportUntouched, runSubCrawler, setAccessData, setCrawlerHandler, setCrawlReportFile, setDataAccessorRegistry, setDataSource, stop, storeCrawlReport, touchObject

Methods inherited from class java.lang.Object

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

Constructor Detail

FileSystemCrawler

public FileSystemCrawler()

Method Detail

crawlObjects

protected ExitCode crawlObjects()

Description copied from class: CrawlerBase

Method called by crawl() that should implement the actual crawling of the DataSource. The return value of this method should indicate whether the scanning was completed successfully (i.e. it wasn't interrupted or anything). Also this method is expected to update the deprecatedUrls set, as any remaining URLs in this set will be removed as being removed after this method completes.

Specified by:

crawlObjects in class CrawlerBase

Returns:

An ExitCode indicating how the crawl procedure terminated.