org.eclipse.smila.importing.crawler.web.filter
Class DefaultLinkFilter

java.lang.Object
  org.eclipse.smila.importing.crawler.web.filter.DefaultLinkFilter

All Implemented Interfaces:

LinkFilter

public class DefaultLinkFilter
extends java.lang.Object
implements LinkFilter

Default @ LinkFilter} implementation.

Constructor Summary

DefaultLinkFilter()

Method Summary

boolean	allowLink(java.lang.String url, WebCrawlingContext context) Check if it is allowed to follow a given link.
java.util.Collection<Record>	filterLinks(java.util.Collection<Record> extractedLinks, WebCrawlingContext context) filter extracted links.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultLinkFilter

public DefaultLinkFilter()

Method Detail

filterLinks

public java.util.Collection<Record> filterLinks(java.util.Collection<Record> extractedLinks,
                                                WebCrawlingContext context)
                                         throws WebCrawlerException

Description copied from interface: LinkFilter

filter extracted links.

Specified by:

filterLinks in interface LinkFilter

Parameters:

extractedLinks - result from LinkExtractor service.

context - the WebCrawlingContext.

Returns:

links to follow in follow-up tasks

Throws:

WebCrawlerException - error in processing the links.

allowLink

public boolean allowLink(java.lang.String url,
                         WebCrawlingContext context)
                  throws WebCrawlerException

Description copied from interface: LinkFilter

Check if it is allowed to follow a given link.

Specified by:

allowLink in interface LinkFilter

Parameters:

url - a String containing the link to be checked

context - the WebCrawlingContext.

Returns:

true if the link is allowed to be followed, false otherwise

Throws:

WebCrawlerException - error in processing the links.