[Opensource] workflow using addStatePairing - not quite getting it

[Helga Wyns]

Mike,
you're right, now I see what I was missing.
I'd rather not write my own ControllerForms though, as this seems to be a 
lot of extra work to me.
Now, I have modified the DefaultForm to extend the ControllerForm. It seems 
to work: the StateForm is instantiated in State.perform(). But I must admit 
that I don't know if it's ok to do that. Do you have any idea's?
>
>Aime,
>Your sample matches my code, but I am using
>com.jcorporate.expresso.core.controller.DefaultForm as my form bean, as
>Helga Wyns suggested was possible. In State.perform(), StateForm is null. I
>assume that's because DefaultForm doesn't work here and I need to have a
>custom ControllerForm?
>
>Thanks,
>Mike
>
>-----Original Message-----
>From: BSC [mailto:bsci at lycos.com]
>Sent: Sunday, December 08, 2002 1:20 AM
>To: opensource at jcorporate.com
>Subject: Re: [Opensource] workflow using addStatePairing - not quite
>getting it
>
>
>Hi Mike,
>
>Here's some code snippets that are working for me.  Hopefully this will
>help..
>
>
>My Controller:
>--------------
>
>public SignIn() throws NonHandleableException {
>
>	super();
>
>	State promptState = null;
>	State handleState = null;
>
>	promptState = new PromptSignIn("prompt1", "Sign In");
>	handleState = new ValidateSignIn("handle1", "Sign In");
>	addStatePairing(promptState, handleState, null);  //Will use
>controller form by default
>
>	handleState = new CompleteSignIn("handleFinal", "Sign IN");
>	addFinalState(handleState);
>}
>
>
>My External State:
>-----------------
>
>public class ValidateSignIn extends State {
>
>public void perform(StateForm stateForm, ControllerRequest request,
>ControllerResponse response)
>			throws ControllerException, NonHandleableException {
>
>	super.perform(stateForm, request, response);
>	SignInForm signInForm = (SignInForm) stateForm;
>
>	String signInID = StringUtil.notNull(signInForm.getSignInID());
>	if (signInID.equals("")) {
>		response.addError("Please type your ID.");
>		return;
>	}
>
><snip>
>
>
>
>My Controller Form:
>------------------
>
>public class SignInForm extends ControllerForm {
>	private String signInID;
>
><snip>
>
>
>
>My Struts Config:
>----------------
>     <!-- Sign In form bean -->
>     <form-bean      name="signInForm"
>                     type="com.xxx.view.SignInForm" />
>
>
>     <action path="/SignIn"
>	      type="com.xxx.controller.SignIn"
>             name="signInForm"
>             scope="request"
>             validate="false">
>	  <forward name="default" path="/MainOptions.do" redirect="true"/>
>         <forward name="prompt1" path="showSignIn" />
>     </action>
>
>
>
>
>---
>Aime
>
>
>
>
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