Struts2: change method to invoke on the fly??

[Daniel Ruan <da...@gmail.com>]

Is it possible to write an Action Interceptor, which can set the method to
invoke on the fly, depending on certain runtime variables?

I can get the ActionProxy from ActionInvocation, but the proxy provides only
a getter getMethod() not a setter.  Any ideas?

Thanks,

Daniel

Re: Struts2: change method to invoke on the fly??

[Daniel Ruan <da...@gmail.com>]

Thanks, Scott.

Yes, I had something else in mind.  I need to give a URL to a third party
site for call back and I will also need to pass a parameter, but that third
party always strips off all query parameters. One idea I had was to append
the parameter  to the action name as if a wild card method, e.g.,
blah_value123, blah_value456.  Apparently "value123" and "value466" are not
real method names, so I would have the interceptor call the execute method
instead after setting an action property to "value123" or "value456". Hence
my question.

Then I thought of a better solution using url rewriting. I will rewrite the
URL like blah_value123 to blah?paramName=value123 .  I am not using the REST
plug in, which will solve the problem too.

Cheers,

Daniel

On Fri, Feb 13, 2009 at 12:44 PM, <st...@gmail.com> wrote:

> I'm not real sure what you have in mind here, but this works very nicely:
>
>
>        <action name="blah-*" method="{1}"
> class="acme.action.BlahAction">
>         ...
>        </action>
>
> request for www.//blah-fred fires the fred() method and
> request for www.//blah-barney fires the barney method
>
> Peace,
> Scott
>
>
>
> On Fri, Feb 13, 2009 at 10:40 AM, Daniel Ruan <da...@gmail.com>
> wrote:
>
> > Is it possible to write an Action Interceptor, which can set the method
> to
> > invoke on the fly, depending on certain runtime variables?
> >
> > I can get the ActionProxy from ActionInvocation, but the proxy provides
> > only
> > a getter getMethod() not a setter.  Any ideas?
> >
> > Thanks,
> >
> > Daniel
> >
>

Re: Struts2: change method to invoke on the fly??

[st...@gmail.com]

I'm not real sure what you have in mind here, but this works very nicely:


        <action name="blah-*" method="{1}"
class="acme.action.BlahAction">
         ...
        </action>

request for www.//blah-fred fires the fred() method and
request for www.//blah-barney fires the barney method

Peace,
Scott



On Fri, Feb 13, 2009 at 10:40 AM, Daniel Ruan <da...@gmail.com> wrote:

> Is it possible to write an Action Interceptor, which can set the method to
> invoke on the fly, depending on certain runtime variables?
>
> I can get the ActionProxy from ActionInvocation, but the proxy provides
> only
> a getter getMethod() not a setter.  Any ideas?
>
> Thanks,
>
> Daniel
>