Hi,
I'm attempting to integrate James Carman's tapestry-captcha library into
a proof of concept app I'm putting together. The acegi stuff is
redirecting correctly to a very simple captcha page just containg a
reference to the captcha component from tapestry-captcha.
Here's the .page:
<page-specification class="org.apache.tapestry.html.BasePage">
<component id="captcha" type="captcha:CaptchaImage"></component>
</page-specification>
However, when the app jumps to this page, I'm getting a null pointer
exception in the getLink() method. After looking at the code in the
CaptchaEngineService class, it seems like I need to define both a
LinkFactory and an ImageCaptchaService for the component. I haven't
messed with services before, so I'd like to know how to go about
defining a linkfactory for this component?.
As I'm using Acegi, I'd like to use acegi's
CaptchaValidationProcessingFilter to process the captcha's success or
failure. This filter uses the presence of a validation parameter
(defined in the spring application context) to decide whether to
validate the request or not. Is it possible in tapestry to ensure that
the validation parameter passed back in the http request has a specific
name, so that the filter will pick it up and validate whether the
captcha was correctly entered?
If anyone needs any further info just ask
TIA
Denis Mc.
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