ir.webutils
Classes 
DirectorySpider
Graph
HTMLPage
HTMLPageRetriever
HTMLParserMaker
Link
LinkExtractor
Node
RobotExclusionSet
RobotsMetaTagParser
SafeHTMLPage
SafeHTMLPageRetriever
SiteSpider
Spider
StringSearchResult
URLChecker
WebPage
WebPageViewer
YahooCategoryLinkExtractor
YahooSiteLinkExtractor
YahooSpider
Exceptions 
PathDisallowedException