Re: URL of the current page

[Jean-Eric Cuendet <je...@rptec.ch>]

> What you want to do is very similar to a the redirect-after-post form
> submission pattern.
> 
> The string used with @InjectObject is broken into two parts; the
> prefix and the value.
> 
> The prefix identifies how the value is parsed and interpreted.
> 
> The "service:" prefix is built-in to HiveMind, and references a
> HiveMind service by its fully qualified id.
> 
> Tapestry adds additional prefixes; there's an "engine-service:" prefix
> that references a Tapestry engine service by its service name (i.e.,
> "page" or "direct").  This is better and eaiser than figuring out the
> corresponding HiveMind service id.

Thanks for infos.

> @InjectObject("engine-service:page")
> public abstract IEngineService getPageService();

Works OK.

> If you look at documentation at 
> http://tapestry.javaforge.com/tapestry-flash/ , you'll see an example
> of how to use this for a redirect-after-post.

Unable to get the source code for it. It seems that there is a SVN 
problem on the site...
Could you check?
Try: 
http://javaforge.com/proj/sources/sccFileLog.do?proj_id=220&filename=tapestry-flash%2Ftrunk

> In your case, I would suspect that the proper service would be
> "external", so that your destination pages can implement the
> IExternalPage interface (and the activeExternalPage() method).  Inside
> that method, you can get query parameter values from the request cycle
> object.

How? I think that I should do something like:
   - getServicePage().getLink(false, getPageName()).getAbsoluteURL()
but that would just give me the URL of the current page. I would like to 
pass a param like 'status=Success' so I would do:
   - String[] str = {"status", "Success"};
   - ExternalServiceParameter param = new 
ExternalServiceParameter(getPageName(), str);
   - getServicePage().getLink(false, param).getAbsoluteURL()
Right? But that throws an Exception saying that ExternalServiceParameter 
is not compatible with a String...
What next?

> As I understand your external credit card page, you'll invoke
> getLink() three times on the external service, getting back ILink
> objects for three different pages (or the same page with three
> different sets of listener parameters ... or whatever works for you).

Yes, that's the idea. But I don't understand how to pass the parameter 
status=xxx

Thanks for your great help.
-jec

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