com.crawljax.core

Class CandidateElementExtractor

java.lang.Object

com.crawljax.core.CandidateElementExtractor

public class CandidateElementExtractor
extends Object

This class extracts candidate elements from the DOM tree, based on the tags provided by the user. Elements can also be excluded.

Constructor Summary

Constructors

Constructor and Description
CandidateElementExtractor(ExtractorManager checker, EmbeddedBrowser browser, FormHandler formHandler, CrawljaxConfiguration config) Create a new CandidateElementExtractor.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	checkCrawlCondition()
com.google.common.collect.ImmutableList<CandidateElement>	extract(StateVertex currentState) This method extracts candidate elements from the current DOM tree in the browser, based on the crawl tags defined by the user.

Methods inherited from class java.lang.Object

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

Constructor Detail

CandidateElementExtractor

@Inject
public CandidateElementExtractor(ExtractorManager checker,
                                EmbeddedBrowser browser,
                                FormHandler formHandler,
                                CrawljaxConfiguration config)

Create a new CandidateElementExtractor.

Parameters:

checker - the ExtractorManager to use for marking handled elements and retrieve the EventableConditionChecker

browser - the current browser instance used in the Crawler

formHandler - the form handler.

config - the checker used to determine if a certain frame must be ignored.

Method Detail

extract

public com.google.common.collect.ImmutableList<CandidateElement> extract(StateVertex currentState)
                                                                  throws CrawljaxException

This method extracts candidate elements from the current DOM tree in the browser, based on the crawl tags defined by the user.

Parameters:

currentState - the state in which this extract method is requested.

Returns:

a list of candidate elements that are not excluded.

Throws:

CrawljaxException - if the method fails.

checkCrawlCondition

public boolean checkCrawlCondition()