cocoon-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From giacomo <giac...@apache.org>
Subject Re: Re[4]: DatabaseXActions
Date Tue, 11 Sep 2001 13:07:09 GMT
On Tue, 11 Sep 2001, Chris Newland wrote:

> Hi Andrew, All,
>
> I've held off posting these patches as I don't think they address the bigger
> issue of immutable request parameters. I posted a question about these last
> week (form validator problems) but received no replies.
>
> I've fixed several bugs in FormValidationAction (nullable + default values
> not picked up) + in DatabaseDeleteAction (always returns null) but
> unfortunately these were done before the rotating logfile changes were made.
>
> I'm really busy atm but when I get a moment I'll update my local Cocoon to
> use the latest code (I'll probably wait for the release candidate) and then
> make these changes again + submit diffs.
>
> Can somebody please explain to me (even if its a 1-liner) why request
> parameters are immutable?

It according to the servlet spec (IIRC)

Giacomo [ who likes to write 1-liners ;) ]


>
> I would like to be able to pass the request through a chain of actions, each
> one able to modify the request parameters so that the following action only
> has to look in the request params. Currently I'm using request attributes as
> an override mechanism (+ modifying the actions to look there) but this will
> fail as soon as I want to use request attributes at the same time as request
> parameters.
>
> Thanks + keep up the great work,
>
> Chris
>
> On Tuesday 11 September 2001 10:47, you wrote:
> > Hello Chris,
> >
> >   Your request attribute patches are applied?
> >   Last snapshot still not work with attributes.
> >
> > xsp-page:
> >     <xsp:logic>
> >       request.setAttribute("pdate",new Date());
> >     </xsp:logic>
> >
> > descriptor:
> >     <values>
> >       <value param="pdate" dbcol="fdate" type="time-stamp"/>
> >     </values>
> >
> > DatabaseAddAction can't find pdate (always null).
> > In addition to this logger also not print request attributes, only
> > parameters.
> >
> > Thursday, September 06, 2001, 6:21:50 PM, you wrote:
> > > Hi Andrew,
> > >
> > > I'm working with the latest Cocoon2b2 code from CVS.
> > >
> > > I've added support in AbstractDatabaseAction for:
> > >
> > > request attributes overriding request parameters
> > > "nullable" attribute in the AbstractDatabaseAction descriptor
> > > "default" attribute in the AbstractDatabaseAction descriptor
> > >
> > > I'll be submitting diffs today (if I can, my ISP is bad today :( )
> > >
> > > Having said that, these are only fixes. Christian Haul is working on a
> > > new architecture for this problem so I'm not sure if my diffs will make
> > > it into the codebase. If your not happy applying diffs I can send you the
> > > patched classes.
> > >
> > > Regards,
> > >
> > > Chris
> > >
> > >> -----Original Message-----
> > >> From: Andrew Answer [mailto:creator0@mail.ru]
> > >> Sent: 06 September 2001 11:43
> > >> To: Chris Newland
> > >> Subject: Re[2]: DatabaseXActions
> > >>
> > >>
> > >> Hello Chris,
> > >>
> > >> if you can send me your sources/patches, i will be very happy.
> > >> I'm not java-spec, while only try :)
> > >>
> > >> What version on C2 you change?
> > >>
> > >> I described on cocoon-dev mailing list and can send your sources to
> > >> developers. Or if you subscribed too, you can do it.
> > >> I think what this changes are very important.
> > >> Date/time requests is common task for any sites and i wonder why this
> > >> task can't decided earlier.
> > >>
> > >> Wednesday, September 05, 2001, 8:31:15 PM, you wrote:
> > >> > Hi Andrew,
> > >> >
> > >> > I'm currently modifying the Database<Add|Delete|Update>Action
actions
> > >> > to allow request parameters to be overriden with request attributes.
> > >> >
> > >> > This will allow me to pass my form data through another action which
> > >> > manipulates the values and sets them in request attributes before
the
> > >> > DatabaseAddAction adds them into the database.
> > >> >
> > >> > Regards,
> > >> >
> > >> > Chris
> > >> >
> > >> >> -----Original Message-----
> > >> >> From: Andrew Answer [mailto:creator0@mail.ru]
> > >> >> Sent: 05 September 2001 14:20
> > >> >> To: cocoon-users@xml.apache.org
> > >> >> Subject: DatabaseXActions
> > >> >>
> > >> >>
> > >> >> Hello cocoon-users,
> > >> >>
> > >> >>   i read thread named "Action to modify request parameters" and
want
> > >> >>   to ask another questions.
> > >> >>
> > >> >>
> > >> >>   1. I try to use DatabaseAddAction for getting form data. In
> > >> >>   descriptor file i setup column type as timestamp
> > >> >>   <value param="datetime" dbcol="fdatetime" type="time-stamp"/>.
> > >> >>   How to set request parameter on NOW + 1 hour (for example)?
> > >> >>   I can get integer or string values from form through request
> > >> >>   parameters, but can't get timestamp.
> > >> >>   <util:time format="..."/> not work because of this is
a string
> > >> >>   instead of date.
> > >> >>   <xsp:logic>request.setAttribute("date",new Date());</xsp:logic>
not
> > >> >>   work because DatabaseAddAction read real parameters only, not
> > >> >>   attributes (as i understand).
> > >> >>   Now i use Hsqldb and not need to convert Java datatypes into
> > >> >>   another. This actions work without converting types?
> > >> >>
> > >> >>   2. Anybody use DatabaseSelectAction? How it work? It present
into
> > >> >> my version (xml-cocoon2_20010831101539.tar.gz) of C2. When i use
> > >> >> other database actions, i call cocoon-action through pressing
button.
> > >> >> How to run DatabaseSelectAction automatically when i open page?
> > >> >>
> > >> >> --
> > >> >> Best regards,
> > >> >>  Andrew                          mailto:creator0@mail.ru
> > >> >>
> > >> >>
> > >> >>
> > >> >> ---------------------------------------------------------------------
> > >> >> Please check that your question has not already been answered
in the
> > >> >> FAQ before posting. <http://xml.apache.org/cocoon/faqs.html>
> > >> >>
> > >> >> To unsubscribe, e-mail: <cocoon-users-unsubscribe@xml.apache.org>
> > >> >> For additional commands, e-mail: <cocoon-users-help@xml.apache.org>
> > >>
> > >> --
> > >> Best regards,
> > >>  Andrew                            mailto:creator0@mail.ru
> > >>
> > >>
> > >>
> > >> ---------------------------------------------------------------------
> > >> Please check that your question has not already been answered in the
> > >> FAQ before posting. <http://xml.apache.org/cocoon/faqs.html>
> > >>
> > >> To unsubscribe, e-mail: <cocoon-users-unsubscribe@xml.apache.org>
> > >> For additional commands, e-mail: <cocoon-users-help@xml.apache.org>
> > >
> > > ---------------------------------------------------------------------
> > > To unsubscribe, e-mail: cocoon-dev-unsubscribe@xml.apache.org
> > > For additional commands, email: cocoon-dev-help@xml.apache.org
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: cocoon-dev-unsubscribe@xml.apache.org
> For additional commands, email: cocoon-dev-help@xml.apache.org
>
>
>
>


---------------------------------------------------------------------
To unsubscribe, e-mail: cocoon-dev-unsubscribe@xml.apache.org
For additional commands, email: cocoon-dev-help@xml.apache.org


Mime
View raw message