Thanks. It solves my problem :) Franz
On Wed, Aug 11, 2010 at 10:11 PM, Alex Rodriguez Lopez < alo...@flordeutopia.pt> wrote: > Don't know if this solves your problem, but maybe it helps to use the > params-prepare-params trick, calling params interceptor twice, so you have > your params ready before prepare(). > > You have an already configured stack, the paramsPrepareParamsStack > > From struts-default.xml: > > <!-- An example of the paramsPrepareParams trick. This stack > is exactly the same as the defaultStack, except that it > includes one extra interceptor before the prepare > interceptor: > the params interceptor. > > This is useful for when you wish to apply parameters > directly > to an object that you wish to load externally (such as a > DAO > or database or service layer), but can't load that object > until at least the ID parameter has been loaded. By loading > the parameters twice, you can retrieve the object in the > prepare() method, allowing the second params interceptor to > apply the values on the object. --> > <interceptor-stack name="paramsPrepareParamsStack"> > <interceptor-ref name="exception"/> > <interceptor-ref name="alias"/> > <interceptor-ref name="i18n"/> > <interceptor-ref name="checkbox"/> > <interceptor-ref name="multiselect"/> > <interceptor-ref name="params"> > <param name="excludeParams">dojo\..*,^struts\..*</param> > </interceptor-ref> > <interceptor-ref name="servletConfig"/> > <interceptor-ref name="prepare"/> > <interceptor-ref name="chain"/> > <interceptor-ref name="modelDriven"/> > <interceptor-ref name="fileUpload"/> > <interceptor-ref name="staticParams"/> > <interceptor-ref name="actionMappingParams"/> > <interceptor-ref name="params"> > <param name="excludeParams">dojo\..*,^struts\..*</param> > </interceptor-ref> > <interceptor-ref name="conversionError"/> > <interceptor-ref name="validation"> > <param > name="excludeMethods">input,back,cancel,browse</param> > </interceptor-ref> > <interceptor-ref name="workflow"> > <param > name="excludeMethods">input,back,cancel,browse</param> > </interceptor-ref> > </interceptor-stack> > > > > Hi, >> >> I have read the documentation "How do we repopulate controls when >> validation >> fails" [1]. I tried the action tag solution. However, when there is a >> validation error, the execute method of the action in<s:action> is not >> called. >> >> I don't choose the Preparable solution because the parameter required is >> not >> ready in the Prepare stage. (For the first time of visit, the parameter is >> set to default.) And I don't want to call the preparation twice in both >> execute and prepare. So what is the best way to repopulate controls for >> normal case and revisit after validation error? Should I abandon to >> validate >> the input in validate method? >> >> Thanks. >> Franz >> >> [1] >> >> http://struts.apache.org/2.x/docs/how-do-we-repopulate-controls-when-validation-fails.html >> >> > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@struts.apache.org > For additional commands, e-mail: user-h...@struts.apache.org > >
