I think that jsf-comp onload thing might be what I'm looking for. I really surprised that something like this isn't built in to JSF. Is using this extension violating some design principle fundamental to JSF?
benjamin On 4/28/06, Andrew Robinson <[EMAIL PROTECTED]> wrote:
Have a look at: http://wiki.apache.org/myfaces/InvokingJsfPagesWithStandardUrls http://jsf-comp.sourceforge.net/components/onload/index.html -Andrew On 4/28/06, benjamin van der veen <[EMAIL PROTECTED]> wrote: > Hello, > > I sent the message quoted below to this list a few days ago, but > received no replies. I'm just wondering if perhaps it just got > overlooked; I would appreciate any insight on this issue. > > Thanks a lot, > benjamin > > On 4/26/06, benjamin van der veen <[EMAIL PROTECTED]> wrote: > > Hello, > > > > I'm coming from a PHP background, and I've run into a wall with JSF. I > > know how I'd get around it with PHP or ASP.NET, but for JSF I'm > > stumped. > > > > Here's the scenario: > > > > I'm making a message board. It has multiple forum each of which has > > many topics, each of which has many posts. Very standard thing here. I > > am implementing the page which allows a user to create a new topic. > > The URI is of the form "createTopic.jsf?forumId=<n>" where <n> is an > > integer corresponding to the forum's primary key in the database. I > > have a backing bean mapped in faces-config to "CreateTopicBean", and > > it is request scoped. Now, when the user submits the form to create a > > topic, what is the best way to let the bean know which forum this > > topic should be created under? I tried having a managed property like > > this: > > > > <managed-bean> > > <managed-bean-name>CreateTopicBean</managed-bean-name> > > <managed-bean-class> > > com.wepwnsnails.faces.managedbean.CreateTopicBean > > </managed-bean-class> > > <managed-bean-scope>request</managed-bean-scope> > > <managed-property> > > <property-name>forumId</property-name> > > <value>#{param.forumId}</value> > > </managed-property> > > </managed-bean> > > > > but when the "action" attribute of the html <form> element rendered by > > JSF is simply "createTopic.jsf", so an EL exception is thrown when JSF > > fails to set the managed property. > > > > I've also tried adding a <h:inputHidden> tag set to the forumId on the > > backing bean in a variety of ways, but they leave much to be desired > > as far as cleanliness. > > > > I'm sure that this is an issue every newbie JSF developer has > > scratched his head over; so what's the best way to go about this? I've > > had a hard time finding anything in Google, mostly because I don't > > know how to tersely phrase the problem for a seach query. > > > > Thanks a lot, > > benjamin van der veen > > >
