Package com.crawljax.core.state

Examples of com.crawljax.core.state.StateVertex

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  }

  private void pollAndHandleCrawlTasks() throws InterruptedException {
    try {
      LOG.debug("Awaiting task");
      StateVertex crawlTask = candidates.awaitNewTask();
      int activeConsumers = runningConsumers.incrementAndGet();
      LOG.debug("There are {} active consumers", activeConsumers);
      handleTask(crawlTask);
    } catch (RuntimeException e) {
      LOG.error("Cound not complete state crawl: " + e.getMessage(), e);
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    return graph.getShortestPath(graph.getInitialState(), crawlTask);
  }

  private void follow(CrawlPath path, StateVertex targetState)
          throws StateUnreachableException, CrawljaxException {
    StateVertex curState = context.getSession().getInitialState();

    for (Eventable clickable : path) {
      checkCrawlConditions(targetState);
      LOG.debug("Backtracking by executing {} on element: {}", clickable.getEventType(),
              clickable);
      curState = changeState(targetState, clickable);
      handleInputElements(clickable);
      tryToFireEvent(targetState, curState, clickable);
      checkCrawlConditions(targetState);
    }

    if (!curState.equals(targetState)) {
      throw new StateUnreachableException(targetState,
              "The path didn't result in the desired state but in state "
                      + curState.getName());
    }
  }
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  private StateVertex changeState(StateVertex targetState, Eventable clickable) {
    boolean switched = stateMachine.changeState(clickable.getTargetStateVertex());
    if (!switched) {
      throw new StateUnreachableException(targetState, "Could not switch states");
    }
    StateVertex curState = clickable.getTargetStateVertex();
    crawlpath.add(clickable);
    return curState;
  }
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  private void inspectNewState(Eventable event) {
    if (crawlerLeftDomain()) {
      LOG.debug("The browser left the domain. Going back one state...");
      goBackOneState();
    } else {
      StateVertex newState = stateMachine.newStateFor(browser);
      if (domChanged(event, newState)) {
        inspectNewDom(event, newState);
      } else {
        LOG.debug("Dom unchanged");
      }
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      context.getSession().addCrawlPath(crawlpath.immutableCopy());
    }
  }

  private void parseCurrentPageForCandidateElements() {
    StateVertex currentState = stateMachine.getCurrentState();
    LOG.debug("Parsing DOM of state {} for candidate elements", currentState.getName());
    ImmutableList<CandidateElement> extract = candidateExtractor.extract(currentState);

    plugins.runPreStateCrawlingPlugins(context, extract, currentState);

    candidateActionCache.addActions(extract, currentState);
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  private void goBackOneState() {
    LOG.debug("Going back one state");
    CrawlPath currentPath = crawlpath.immutableCopy();
    crawlpath = null;
    StateVertex current = stateMachine.getCurrentState();
    reset();
    follow(currentPath, current);
  }
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   */
  public StateVertex crawlIndex() {
    LOG.debug("Setting up vertex of the index page");
    browser.goToUrl(url);
    plugins.runOnUrlLoadPlugins(context);
    StateVertex index =
            StateMachine.createIndex(url.toExternalForm(), browser.getStrippedDom(),
                    stateComparator.getStrippedDom(browser));
    Preconditions.checkArgument(index.getId() == StateVertex.INDEX_ID,
            "It seems some the index state is crawled more than once.");

    LOG.debug("Parsing the index for candidate elements");
    ImmutableList<CandidateElement> extract = candidateExtractor.extract(index);

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    return graph.getShortestPath(graph.getInitialState(), crawlTask);
  }

  private void follow(CrawlPath path, StateVertex targetState)
          throws StateUnreachableException, CrawljaxException {
    StateVertex curState = context.getSession().getInitialState();

    for (Eventable clickable : path) {
      checkCrawlConditions(targetState);
      LOG.debug("Backtracking by executing {} on element: {}", clickable.getEventType(),
              clickable);
      curState = changeState(targetState, clickable);
      handleInputElements(clickable);
      tryToFireEvent(targetState, curState, clickable);
      checkCrawlConditions(targetState);
    }

    if (!curState.equals(targetState)) {
      throw new StateUnreachableException(targetState,
              "The path didn't result in the desired state but in state "
                      + curState.getName());
    }
  }
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  private StateVertex changeState(StateVertex targetState, Eventable clickable) {
    boolean switched = stateMachine.changeState(clickable.getTargetStateVertex());
    if (!switched) {
      throw new StateUnreachableException(targetState, "Could not switch states");
    }
    StateVertex curState = clickable.getTargetStateVertex();
    crawlpath.add(clickable);
    return curState;
  }
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  private void inspectNewState(Eventable event) {
    if (crawlerLeftDomain()) {
      LOG.debug("The browser left the domain. Going back one state...");
      goBackOneState();
    } else {
      StateVertex newState = stateMachine.newStateFor(browser);
      if (domChanged(event, newState)) {
        inspectNewDom(event, newState);
      } else {
        LOG.debug("Dom unchanged");
      }
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Related Classes of com.crawljax.core.state.StateVertex

  • com.crawljax.browser.matchers.StateFlowGraphMatchers
  • com.crawljax.core.CandidateCrawlAction
  • com.crawljax.core.CandidateElement
  • com.crawljax.core.CandidateElementExtractorTest
  • com.crawljax.core.CrawlController
  • com.crawljax.core.CrawlControllerTest
  • com.crawljax.core.Crawler
  • com.crawljax.core.CrawlSession
  • com.crawljax.core.CrawlTaskConsumer
  • com.crawljax.core.InitialCrawler
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