Yeah, sounds good but this code is in a loop and each few iterations has different values for linkPage.
Shawn -----Original Message----- From: Mike Kienenberger [mailto:[EMAIL PROTECTED] Sent: Tuesday, January 17, 2006 12:09 PM To: MyFaces Discussion Subject: Re: Problem hardcoding commandLink action outcome Hmm. Since you put it that way, maybe not. I'm not entirely certain. Try it and see, but I think you might be right. In that case, I'd recommend using t:saveState on a copy of your request variable. Create a YourBean instance variable to hold a copy of "#{param.linkPage}", and add getter/setters for it. Then use <t:saveState> on #{YourBean.variable} You can modify the getter to directly read "#{param.linkPage}" Add an alternate getter to read the actual value and use this one for your link. There's probably other (better) ways to do this, but none come to mind at present. You could pass the value as an f:param if you're using a link and not a button. On 1/17/06, Garner, Shawn <[EMAIL PROTECTED]> wrote: > So the bean's action method is evaluated during render time and not after > they click on the link? > > Shawn > > -----Original Message----- > From: Mike Kienenberger [mailto:[EMAIL PROTECTED] > Sent: Tuesday, January 17, 2006 11:51 AM > To: MyFaces Discussion > Subject: Re: Problem hardcoding commandLink action outcome > > It doesn't need to. The value is resolved during render time. > > On 1/17/06, Garner, Shawn <[EMAIL PROTECTED]> wrote: > > Can you explain what this is actually doing? > > How does it know how to resolve ("#{param.linkPage}") after the page is > > rendered? > > > > Shawn > > > > -----Original Message----- > > From: Mike Kienenberger [mailto:[EMAIL PROTECTED] > > Sent: Tuesday, January 17, 2006 10:57 AM > > To: MyFaces Discussion > > Subject: Re: Problem hardcoding commandLink action outcome > > > > Yes, you're trying to fight the technology. > > > > Just do this. > > > > public class YourBean > > { > > public String getActionForLinkPage() > > { > > FacesContext facesContext = FacesContext.getCurrentInstance(); > > String action = > > > (String)facesContext.getApplication().createValueBinding("#{param.linkPage}" > > ).getValue(facesContext); > > return action; > > } > > } > > > > <h:commandLink action="#{YourBean.actionForLinkPage}" > value="#{linkText}"/> > > > > > > On 1/17/06, Garner, Shawn <[EMAIL PROTECTED]> wrote: > > > Damn, get an exception with f:attribute. I thought that should work. > > > > > > To do <h:commandLink action="college"/> I would have to do a choose/when > > > condition checking the value of #{linkPage} which can have like 12 > > different > > > values. Seems like a messy solution to me. > > > > > > Shawn > > > > > > -----Original Message----- > > > From: Garner, Shawn > > > Sent: Tuesday, January 17, 2006 10:29 AM > > > To: 'MyFaces Discussion' > > > Subject: RE: Problem hardcoding commandLink action outcome > > > > > > How about using the f:attribute tag for name="action"? > > > > > > Shawn > > > > > > -----Original Message----- > > > From: Mike Kienenberger [mailto:[EMAIL PROTECTED] > > > Sent: Tuesday, January 17, 2006 10:21 AM > > > To: MyFaces Discussion > > > Subject: Re: Problem hardcoding commandLink action outcome > > > > > > You are correct. It's trying to resolve it as a method binding. > > > > > > You need to either use > > > > > > <h:commandLink > action="#{yourBean.yourMethodReturningCollegeAsAString}"/> > > > > > > or > > > > > > <h:commandLink action="college"/> > > > > > > The attribute "action" takes only a string literal or a method binding > > > that returns a String. It does not take a value binding that > > > evaluates to a String. So if you need the action target to be > > > variable, you need to write java code to perform this logic. > > > Possibly you could use some kind of JSP EL expression instead of a JSF > > > EL expression, but I wouldn't recommend this approach. > > > > > > On 1/17/06, Garner, Shawn <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > > > > > > I'm trying to hardcode the action to "college" which is in the > linkPage > > > > request scope variable. > > > > > > > > I think it's trying to resolve it as a bean action or something > instead > > of > > > > an outcome. > > > > > > > > Can somebody help me with how to do this. > > > > > > > > > > > > > > > > linkPage: <h:outputText value="#{linkPage}"/><br> > > > > > > > > <h:commandLink action="#{linkPage}" value="#{linkText}"/> > > > > > > > > > > > > > > > > This prints out: > > > > > > > > > > > > > > > > linkPage: college > > > > Modify Your Answer > > > > > > > > > > > > > > > > > > > > > > > > I want it to resolve as if I put in <h:commandLink action="college" > > > > value="Modify Your Answer"/> > > > > > > > > > > > > > > > > However when I click on the link I get: javax.faces.FacesException: > > Error > > > > calling action method of component with id _id1:_id15 > > > > at > > > > > > > > > > org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListen > > > erImpl.java:74) > > > > at > > > > javax.faces.component.UICommand.broadcast(UICommand.java:106) > > > > at > > > > > javax.faces.component.UIViewRoot._broadcastForPhase(UIViewRoot.java:90) > > > > at > > > > > javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:164) > > > > at > > > > > > > > > > org.apache.myfaces.lifecycle.LifecycleImpl.invokeApplication(LifecycleImpl.j > > > ava:316) > > > > at > > > > > > org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:86) > > > > at > > > > javax.faces.webapp.FacesServlet.service(FacesServlet.java:106) > > > > at > > > > jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:91) > > > > at > > > > jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42) > > > > at > > > > > > jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:259) > > > > at > > > > > > jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:541) > > > > at > > > > jrun.servlet.http.WebService.invokeRunnable(WebService.java:172) > > > > at > > > > > > > > > > jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:428 > > > ) > > > > at > > > > jrunx.scheduler.WorkerThread.run(WorkerThread.java:66) > > > > Caused by: javax.faces.el.ReferenceSyntaxException: > > > > Expression not a valid method binding: #{linkPage} > > > > at > > > > > > > > > > org.apache.myfaces.el.MethodBindingImpl.resolveToBaseAndProperty(MethodBindi > > > ngImpl.java:186) > > > > at > > > > > > org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:114) > > > > at > > > > > > > > > > org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListen > > > erImpl.java:63) > > > > ... 13 more > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Shawn D. Garner > > > > > > > > Software Developer > > > > > > > > CASD EAI I > > > > > > > > Internet Development > > > > > > > > > > > > > > > > Email: [EMAIL PROTECTED] > > > > > > > > Work: (319) 665-7796 > > > > > > > > Cell: (319) 480-4409 > > > > > > > > > > > > > > > > Pearson Government Solutions > > > > > > > > 2450 Oakdale Blvd > > > > > > > > Coralville, IA 52241 > > > > > > > > > > > > > > > > > > > > > > **************************************************************************** > > > > > > > > This email may contain confidential > > > > material. 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