Exception catching and System Operations

> Rodrigo,
>
>> 1.- I want to know if there is a way to catch exceptions in the
>> pipeline, specially on the email procesor (if I send an email with a non
>> existing address orbeon throws a page with an exception) and,
>
> XPL doesn't have a try/catch mechanism yet. Once we implement XProc,
> we'll have that (no ETA though).
>
> We have oxf:exception-catcher processor, but unfortunately this only
> works if you read a processor output. The email processor doesn't have
> any output, so it won't work in this case.
>
> Now if you are using XForms and you call a pipeline from an XForms
> submission, and that pipeline uses the email processor, from XForms you
> are informed that an error occurred during the submission. This could be
> good enough in certain scenarios.
>
> There was also the suggestion in the past to allow the email processor
> to have an error output instead of throwing exceptions, but we haven't
> implemented that as we were hoping to have exception handling "soon".
>
>> 2.- Is there a way to perform system operations like mkdir, cp, rm...?
>
> We have an oxf:file-processor (now I wonder why this is not simply
> oxf:file) which currently only implements "rm":
>
>   http://www.orbeon.com/ops/doc/processors-other#file-processor
>
> The idea was that as users need more file-related functionality, this
> processor would be enhanced. So that would be the place to do it, or you
> can perform these operations directly using the oxf:java processor.
>
> -Erik
>

> I forgot to add that we also have an oxf:execute-processor (should be
> oxf:execute as well) which allows you to call external commands, pass
> input to them and retrieve their output. For this one, the documentation
> is the Java code at the moment:
>
>    org.orbeon.oxf.processor.execute.ExecuteProcessor.java
>
> -Erik
>
> Erik Bruchez wrote:
> > Rodrigo,
> >
> >> 1.- I want to know if there is a way to catch exceptions in the
> >> pipeline, specially on the email procesor (if I send an email with a non
> >> existing address orbeon throws a page with an exception) and,
> >
> > XPL doesn't have a try/catch mechanism yet. Once we implement XProc,
> > we'll have that (no ETA though).
> >
> > We have oxf:exception-catcher processor, but unfortunately this only
> > works if you read a processor output. The email processor doesn't have
> > any output, so it won't work in this case.
> >
> > Now if you are using XForms and you call a pipeline from an XForms
> > submission, and that pipeline uses the email processor, from XForms you
> > are informed that an error occurred during the submission. This could be
> > good enough in certain scenarios.
> >
> > There was also the suggestion in the past to allow the email processor
> > to have an error output instead of throwing exceptions, but we haven't
> > implemented that as we were hoping to have exception handling "soon".
> >
> >> 2.- Is there a way to perform system operations like mkdir, cp, rm...?
> >
> > We have an oxf:file-processor (now I wonder why this is not simply
> > oxf:file) which currently only implements "rm":
> >
> >   http://www.orbeon.com/ops/doc/processors-other#file-processor
> >
> > The idea was that as users need more file-related functionality, this
> > processor would be enhanced. So that would be the place to do it, or you
> > can perform these operations directly using the oxf:java processor.
> >
> > -Erik
> >
>
>
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