Im rather in agreement. It really should parse the request parameters before reset is called so they are available to the reset method. I suppose I should try and find time to log it in bugzilla. Christopher - you got time to log it as a bug?
-----Original Message----- From: Murray, Christopher [mailto:[EMAIL PROTECTED]] Sent: Tuesday, November 19, 2002 23:50 To: 'Struts Users Mailing List' Subject: RE: Loosing my parameter in the multipart request what if you wanted to retrieve a request parameter for a branch in your reset method ? -----Original Message----- From: Kris Schneider [mailto:[EMAIL PROTECTED]] Sent: 19 November 2002 15:55 To: Struts Users Mailing List Subject: RE: Loosing my parameter in the multipart request Sure, but that's just the normal flow of form processing: reset -> populate -> validate Quoting "Murray, Christopher" <[EMAIL PROTECTED]>: > It would also appear that the request parameters are only revealed once the > ActionForm has been populated. > > i.e. my reset method exploded but when I commented it out the validate > worked fine. > > -----Original Message----- > From: Kris Schneider [mailto:[EMAIL PROTECTED]] > Sent: 19 November 2002 13:39 > To: Struts Users Mailing List > Subject: Re: Loosing my parameter in the multipart request > > > If the request content type isn't application/x-www-form-urlencoded, then > the > getParameter family of methods won't work. However, I'm guessing that > Struts > will handle this for you if you make userAction a property on an > ActionForm. > Your app logic may need to change in that case since Struts will populate > the > form *after* reset has been called. In other words, you'd do something like > this > in your Action: > > UploadForm upload = (UploadForm)form; > if (Constants.STAGE_ACTION_METHOD.equals(upload.getUserAction())) { > ... > } > > Quoting "Murray, Christopher" <[EMAIL PROTECTED]>: > > > Hey there guys n gals, > > > > I seem to be loosing a parameter of my request when I submit a multi-part > > form. > > > > In the page I have a, > > > > <input type="hidden" name="userAction"/> > > > > this is written to by a call to, > > > > <a > > > href="javascript:submitFormDispatch('UploadForm','performUpload')">LINK</a> > > > > which calls, > > > > function submitFormDispatch( formname, value ) > > { > > var form = document.forms[ formname ]; > > var elements = form.elements; > > > > elements[ 'userAction' ].value = value; > > alert("userAction =" + value); > > form.submit(); > > } > > > > Now I know this is working because the alert pops up to tell me. > > > > When the reset method is called in the ActionForm I get a null pointer > > exception because no parameter is found for the action mapping set in the > > struts-config.xml, > > > > <action path="/.../upload" > > type="com...UploadAction" > > name="UploadForm" > > scope="session" > > validate="true" > > input="/.../upload.jsp" > > parameter="userAction"> > > <forward name="displayInputForm" > > path="/.../upload.jsp"></forward> > > <forward name="confirmUpload" > > path="/.../Upload_confirmed.jsp"></forward> > > <forward name="fail" path="/.../error"/> > > </action> > > > > And then in the form I've been using, > > > > public void reset(ActionMapping mapping, HttpServletRequest request){ > > > > FWLog log = FWLogManager.getLog("UploadActionForm"); > > log.debug("Entering UploadActionForm.reset"); > > > > System.out.println("mapping.getParameter() = " + > > mapping.getParameter()); > > System.out.println("request.getParameter(mapping.getParameter()) > = > > "); > > System.out.println(request.getParameter(mapping.getParameter())); > > > > System.out.println("request = " + request.toString()); > > > > if > > > (request.getParameter(mapping.getParameter()).equals(Constants.STAGE_ACTION_ > > METHOD)){ > > > > this.emailText = null; > > contactId = null; > > log.debug("email text has been reset."); > > } > > > > log.debug("Entering UploadActionForm.reset"); > > } > > > > When all this executes this outputs > > > > mapping.getParameter() = userAction > > request.getParameter(mapping.getParameter()) = > > null > > request = org.apache.struts.upload.MultipartRequestWrapper@799ca4 > > > > java.lang.NullPointerException > > at com...web.action.UploadActionForm.reset(Unknown Source) > > > > Guessing that a Multipart request is a different request object. > > > > Have you got any suggestions ? > > > > Is this possible ? > > > > -- > > To unsubscribe, e-mail: > > <mailto:[EMAIL PROTECTED]> > > For additional commands, e-mail: > > <mailto:[EMAIL PROTECTED]> > > > > > -- > Kris Schneider <mailto:[EMAIL PROTECTED]> > D.O.Tech <http://www.dotech.com/> > > -- > To unsubscribe, e-mail: > <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: > <mailto:[EMAIL PROTECTED]> > > -- > To unsubscribe, e-mail: > <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: > <mailto:[EMAIL PROTECTED]> > -- Kris Schneider <mailto:[EMAIL PROTECTED]> D.O.Tech <http://www.dotech.com/> -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
