It is slightly more complicated than that. For session related exceptions, i need to show a dialogue box and redirect to login page. For timeout errors, i can request a 'try again' message etc. There are also lots of application logic related exceptions that I need to handle.
Best Pierre On 12/28/12, Tue Topholm <[email protected]> wrote: > Why not just return an image with the error in….. > Den 28/12/2012 kl. 11.41 skrev pierre de fermat > <[email protected]>: > >> Thanks Tue. I managed to redirect it and it works. However, this approach >> cannot handle exceptions. When i fake the wms call, and if the struts >> layer encounters an exception (session related, db timeout etc) , I just >> end up with an empty image. I am not able to redirect such a request via >> struts.xml or any other means. The proxy method would also face similar >> issues. >> >> Any thoughts? >> >> Best >> Pierre >> >> >> On Thu, Dec 27, 2012 at 6:06 PM, Tue Topholm <[email protected]> wrote: >> That is the "normal" way to do it.... >> >> You also have the option to provide a proxy url that does exactly what you >> want. >> >> >> -- >> >> Med venlig hilsen / Kind regards >> >> Tue Topholm >> Sugee >> Tlf: +45 32 13 32 32 >> W: http://www.sugee.dk >> >> >> 2012/12/27 pierre de fermat <[email protected]> >> Hi >> I am creating a web app (dojo/struts/postgres/postgis) which amongst >> other things, need to deliver GIS capabilities. >> >> The base infrastructure (security,logging,caching etc) is in place and >> other modules are under development. I took up openlayers as my >> frontend js for rendering maps from geoserver. >> >> For other modules, the request (ajax and regular) goes through my >> struts filter layers -> action class->dao->db route. However, >> openlayer requires configuration of wms services URL (provided by the >> geoserver) . I can't direct those requests directly to geoserver. I >> need my app to trap requests do bunch of validations and then process >> it. I am sure any app developer would have gone through the same issue >> that i am facing right now. >> >> i am thinking of 'tricking' openlayer by giving the URL of a struts >> action which captures the parameters from the request URL, and then >> requesting the geoserver internally for the response.This way i could >> manage session, security etc and keep geoserver internally facing. Is >> this recomendded? Is there a better way to make openlayer work with >> external web app? >> >> Regards >> Pierre >> _______________________________________________ >> Users mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/openlayers-users >> >> > > _______________________________________________ Users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/openlayers-users
