Browser

CallOnFail: Deciding About a Failure

CallOnFail(CallOnFailDelegate) registers a handler called when something fails that a workflow could reasonably want to decide about. The handler receives the browser, a GPALFailure saying what kind of failure it was, and a detail string. Today the only kind raised is GPALFailure.Navigation, for a GoTo that never loaded a page, with the detail carrying the url and whatever the engine said about it. The handler returns a CallIfStatus: Handled to carry on, Terminate to end the workflow. Setting it on a browser covers that browser; GPAL.CallOnFail sets the fallback for any browser that has none of its own.

NOTE

GPALFailure is an enum with room in it, currently None and Navigation. Switch on it rather than assuming every call is a navigation, so a handler written now still behaves when another kind is added.

Examples

GPAL Fluent: High-level fluent C# API

//A navigation that never loaded is not always an error. A page behind a challenge, a slow origin, or a url that redirects somewhere unexpected are all things a workflow may want to retry or step past, which is why the decision is handed back rather than made for you.

GPAL.Browser

.WithBrowserType(BrowserType.Chrome)

.CallOnFail(OnBrowserFailure)

.GoTo("https://example.com/report");

static CallIfStatus OnBrowserFailure(IBrowser browser, GPALFailure failure, string detail)

{

CallIfStatus retVal = CallIfStatus.Handled;

if (GPALFailure.Navigation == failure)

{

GPAL.PublishSimpleEvent(GPALEventType.CAUTION, $"Retrying after [{detail}]");

_ = browser.Refresh;

}

else

retVal = CallIfStatus.Terminate;

return retVal;

}

Documentation Example

Documentation

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Other formats

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Here's just some classic bold text adipisicing elit. Obcaecati, iste distinctio veritatis eligendi laboriosam notBoldSecondbestlinkinthebeautifulworld illo nostrum corporis at libero vel voluptas? Expedita, facere dolores voluptatem ad ab rem assumenda soluta!

Obcaecati, iste distinctio veritatis eligendi laboriosam adipisicing elit illo nostrum corporis at adipisicing elit libero vel voluptas? Expedita, adipisicing facere dolores voluptatem ad ab rem assumenda soluta!

Other cuple of colors in case we want to emphasize several ways adipisicing elit. Obcaecati, iste distinctio veritatis eligendi laboriosam adipisicing elit illo nostrum corporis at voluptatem libero vel voluptas? Expedita, facere dolores voluptatem ad ab rem assumenda soluta!

Adding Images to the content

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Coding Blocks

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GPAL

.CallIfNotFound(GenericCallIfNotFound)

.WithPublishToConsole();

//System.Drawing.Rectangle windowSize = new System.Drawing.Rectangle(10, 10, 1500, 1024);

// NOTE: we have to set browser = before we execute any steps

// this is due to the 'GenericCallIfNotFound' which might throw an exception, and BankScraper will not have the browser set when it calls scraper.Close()

// until the complete fluent line gets executed (meaning every step, meaning browser is not set until everything else succeeds)

browser = GPAL.Browser

.WithBrowserType(Enums.BrowserType.Chrome)

.WithProfileDataDirectory(ChromeProfileLocation)

.WithUseAutomationEngine(AutomationEngine.Selenium)

.WithWindowSize(new System.Drawing.Rectangle(0,0,1920,1080))

.ToGPALObject();

Browser

Browser

CallOnFail: Deciding About a Failure

Examples

Documentation Example

Documentation

Category

Endpoint

Enpoint

Enpoint

Enpoint

Other formats

Adding Images to the content

Coding Blocks

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