Hi Tapestry Users,
Short version: Can a component use @InjectPage to redirect in case there
is a problem during the render phase?
Unabridged version:
I have a my business layers running EJB.
Layout of project is like jumpstart for EJB stuff. Works great.
EJB can't find any values in the database - cool. EJB Exception.
My Layout component pseudo code looks like this:
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml";
xmlns:t="http://tapestry.apache.org/schema/tapestry_5_3.xsd";
xmlns:p="tapestry:parameter"
lang="en">
<head>.....</head>
<body>
<div t:type="Header" />
<div t:type="Slider" />
<div t:type="CallToAction" />
<div t:type="Footer" />
</body>
</html>
If I have no Slider info in the database, and the exception is down below
(in EJB land), I'd like Slider to throw an exception. And redirect to a
CreateSliderSection page or some other "hey you don't have enough of a
configuration for me to present" page.
My Slider component looks like this:
/**
*
* @author mylo
*/
public class Slider {
@Inject
private SliderSectionService sliderService;
@Property
private SliderSection slider;
@InjectPage
private CreateSliderSection createSliderSection;
void setupRender() throws SystemException {
slider = sliderService.getById(new Long(1));
}
Object onException(Throwable cause) {
return createSliderSection ;
}
}
Neither the SystemException (which extends RuntimeException as per
Jumpstart) nor onException seem to be doing anything in this component.
Can a component use @InjectPage to redirect in case there is a problem
during the render phase?
Cheers
Chris @author mylo!
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