As a follow-up, I threw some logging in the field1 and field2 setters in the subbeans... they don't appear to ever get called. I don't have to do anything special to tell Struts I'm using nested beans, do I? I didn't think so...
Frank -- Frank W. Zammetti Founder and Chief Software Architect Omnytex Technologies http://www.omnytex.com AIM/Yahoo: fzammetti MSN: [EMAIL PROTECTED] Author of "Practical Ajax Projects With Java Technology" (2006, Apress, ISBN 1-59059-695-1) Java Web Parts - http://javawebparts.sourceforge.net Supplying the wheel, so you don't have to reinvent it! On Fri, September 22, 2006 2:47 pm, Frank W. Zammetti wrote: > Hi Chris.. thanks for the suggestion, I gave that a shot at one point > actually... what I get is now the fields in the subforms (I guess that's > as good a term as any!) don't get set... > > masterForm = [EMAIL PROTECTED] > tab1Form = [EMAIL PROTECTED] > tab2Form = [EMAIL PROTECTED] > field1 = null > field2 = null > > That's what I see in my final JSP output. > > Frank > > > -- > Frank W. Zammetti > Founder and Chief Software Architect > Omnytex Technologies > http://www.omnytex.com > AIM/Yahoo: fzammetti > MSN: [EMAIL PROTECTED] > Author of "Practical Ajax Projects With Java Technology" > (2006, Apress, ISBN 1-59059-695-1) > Java Web Parts - http://javawebparts.sourceforge.net > Supplying the wheel, so you don't have to reinvent it! > > On Fri, September 22, 2006 2:40 pm, Chris Pratt wrote: >> In your no-arg constructor of your outer ActionForm (the container), >> make >> sure it instantiates each of the nested ActionForms using their no-arg >> constructors. >> (*Chris*) >> >> On 9/22/06, Frank W. Zammetti <[EMAIL PROTECTED]> wrote: >>> >>> Sorry, by af1 and af2 I did mean actionForm1 and actionForm2... my >>> mistake >>> wasn't quite *THAT* obvious! ;) LOL >>> >>> Frank >>> >>> >>> -- >>> Frank W. Zammetti >>> Founder and Chief Software Architect >>> Omnytex Technologies >>> http://www.omnytex.com >>> AIM/Yahoo: fzammetti >>> MSN: [EMAIL PROTECTED] >>> Author of "Practical Ajax Projects With Java Technology" >>> (2006, Apress, ISBN 1-59059-695-1) >>> Java Web Parts - http://javawebparts.sourceforge.net >>> Supplying the wheel, so you don't have to reinvent it! >>> >>> On Fri, September 22, 2006 1:31 pm, Frank W. Zammetti wrote: >>> > Hi Hubert, >>> > >>> > Yes, I get nulls for af1 and af2... I do have getters and setters for >>> > them. >>> > >>> > Lemme throw some data your way... I was hoping to avoid posting all >>> this, >>> > but I suspect there to be something my eyes just aren't catching, >>> so... >>> > >>> > >>> > Here's ActionForm1: >>> > >>> > >>> > package app.test.formbeans; >>> > import org.apache.struts.action.ActionForm; >>> > public class Action1Form extends ActionForm { >>> > private String field1; >>> > public void setField1(String inField1) { >>> > this.field1 = inField1; >>> > } >>> > public String getField1() { >>> > return this.field1; >>> > } >>> > } >>> > >>> > >>> > ActionForm2 is identical, just replacing the number 1 with 2 >>> everywhere. >>> > Here's MasterForm: >>> > >>> > >>> > package app.test.formbeans; >>> > import org.apache.struts.action.ActionForm; >>> > public class MasterForm extends ActionForm { >>> > public Action1Form action1Form; >>> > public Action2Form action2Form; >>> > public void setAction1Form(Action1Form inAction1Form) { >>> > this.action1Form = inAction1Form; >>> > } >>> > public Action1Form getAction1Form() { >>> > return this.action1Form; >>> > } >>> > public void setAction2Form(Action2Form inAction2Form) { >>> > this.action2Form = inAction2Form; >>> > } >>> > public Action2Form getAction2Form() { >>> > return this.action2Form; >>> > } >>> > } >>> > >>> > >>> > The Action everything gets submitted to is just a ForwardAction, >>> which >>> > forwards to: >>> > >>> > >>> > <%@ page language="java" import="app.test.formbeans.*" %> >>> > <% >>> > MasterForm masterForm = >>> (MasterForm)request.getAttribute("masterForm"); >>> > %> >>> > <%="masterForm = " + masterForm + "<br>"%> >>> > <% >>> > Tab1Form tab1Form = null; >>> > Tab2Form tab2Form = null; >>> > if (masterForm != null) { >>> > tab1Form = masterForm.getTab1Form(); >>> > tab2Form = masterForm.getTab2Form(); >>> > } >>> > %> >>> > <%="tab1Form = " + tab1Form + "<br>"%> >>> > <%="tab2Form = " + tab2Form + "<br>"%> >>> > <% if (tab1Form != null) { %> >>> > <%="field1 = " + tab1Form.getField1() + "<br>"%> >>> > <% } %> >>> > <% if (tab2Form != null) { %> >>> > <%="field2 = " + tab2Form.getField2() + "<br>"%> >>> > <% } %> >>> > >>> > >>> > The result I see from this is: >>> > >>> > >>> > masterForm = [EMAIL PROTECTED] >>> > tab1Form = null >>> > tab2Form = null >>> > >>> > >>> > The page that does that submit, in its final rendered form on the >>> client >>> > is: >>> > >>> > >>> > <html> >>> > <head> >>> > <script> >>> > var finalSubmit = null; >>> > function getXHR() { >>> > if (window.XMLHttpRequest) { >>> > return new XMLHttpRequest(); >>> > } else if (window.ActiveXObject) { >>> > return new ActiveXObject("Microsoft.XMLHTTP"); >>> > } >>> > } >>> > function submitAll() { >>> > var tab1Form = dojo.io.encodeForm( >>> > document.getElementById("tab1Form")); >>> > var tab2Form = dojo.io.encodeForm( >>> > document.getElementById("tab2Form")); >>> > finalSubmit = getXHR(); >>> > finalSubmit.onreadystatechange = finalSubmitCallback; >>> > finalSubmit.open("POST", "final.do", true); >>> > finalSubmit.send(tab1Form + tab2Form); >>> > } >>> > function finalSubmitCallback() { >>> > if (finalSubmit.readyState == 4) { >>> > document.getElementById("divResult").innerHTML = >>> > finalSubmit.responseText; >>> > } >>> > } >>> > </script> >>> > </head> >>> > <body onload="init();"> >>> > <form name="masterForm" id="tab1Form" method="post" >>> > action="/test/tab1.do"> >>> > Field1: <input name="tab1Form.field1" value="val1" >>> type="text"><br> >>> > </form> >>> > <br> >>> > <form name="masterForm" id="tab2Form" method="post" >>> > action="/test/tab2.do"> >>> > Field2: <input name="tab2Form.field2" value="val2" >>> type="text"><br> >>> > </form> >>> > <br> >>> > <input value="Submit All" onclick="submitAll();" type="button"> >>> > <br><br> >>> > <div id="divResult"></div> >>> > </body> >>> > </html> >>> > >>> > >>> > Note that I removed all the Dojo-related stuff, and some stuff that >>> isn't >>> > related to this submissino, just to try and keep it small, but, the >>> > important thing to note is that when the submission is made, the >>> request >>> > that goes across is a POST to http://localhost:8080/test/final.do, as >>> > expected, and the POST body is: >>> > >>> > tab1Form.field1=val1&tab2Form.field2=val2& >>> > >>> > ...also as expected, verified in Firebug. Lastly, here's >>> struts-config: >>> > >>> > >>> > <?xml version="1.0" encoding="ISO-8859-1" ?> >>> > <!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD >>> Struts >>> > Configuration 1.2//EN" >>> > "http://jakarta.apache.org/struts/dtds/struts-config_1_2.dtd";> >>> > <struts-config> >>> > <form-beans> >>> > <form-bean name="masterForm" type="app.test.formbeans.MasterForm" >>> /> >>> > </form-beans> >>> > <action-mappings> >>> > <action path="/final" type="app.test.actions.FinalAction" >>> > name="masterForm" scope="request" validate="false"> >>> > <forward name="defaultForward" path="/final.jsp" /> >>> > </action> >>> > </action-mappings> >>> > </struts-config> >>> > >>> > >>> > Note here that I removed the stuff that generated the markup from >>> above >>> > too, since that seems to be working just fine, I'm pretty sure this >>> is >>> all >>> > that would be relevant. >>> > >>> > So, seeing any obvious blunders on my part? Thanks Hubert! >>> > >>> > Frank >>> > >>> > >>> > -- >>> > Frank W. Zammetti >>> > Founder and Chief Software Architect >>> > Omnytex Technologies >>> > http://www.omnytex.com >>> > AIM/Yahoo: fzammetti >>> > MSN: [EMAIL PROTECTED] >>> > Author of "Practical Ajax Projects With Java Technology" >>> > (2006, Apress, ISBN 1-59059-695-1) >>> > Java Web Parts - http://javawebparts.sourceforge.net >>> > Supplying the wheel, so you don't have to reinvent it! >>> > >>> > On Fri, September 22, 2006 1:10 pm, Hubert Rabago wrote: >>> >> So what does happen when you submit the form? Are you getting NPEs? >>> >> >>> >> By the time Struts attempts to populate the form bean, the nested >>> >> forms should already be instantiated. You should have getters and >>> >> setters for af1 and af2, and getAf1() and getAf2() should not return >>> a >>> >> null. This could be an issue if the form bean is new, either >>> because >>> >> it's in request scope, or in session scope but was not previously >>> >> instantiated. >>> >> >>> >> Hubert >>> >> >>> >> On 9/22/06, Frank W. Zammetti <[EMAIL PROTECTED]> wrote: >>> >>> I'm facing a situation where ideally I'd like to have a single >>> >>> ActionForm >>> >>> like so: >>> >>> >>> >>> public class MyActionForm extends ActionForm { >>> >>> AnotherActionForm1 af1; >>> >>> AnotherActionForm2 af2; >>> >>> } >>> >>> >>> >>> When in my JSP I do: >>> >>> >>> >>> <html:text property="af1.field1" /> >>> >>> >>> >>> ...I do indeed see the value as I expect. The way I did this is to >>> >>> have >>> >>> an Action mapping that references MyActionForm, then within the >>> Action >>> >>> I >>> >>> instantiate AnotherActionForm1, set the value of field1 on it, and >>> then >>> >>> set af1 to that new AnotherActionForm1 instance. That all works >>> >>> nicely. >>> >>> >>> >>> Here's where I run into a problem... >>> >>> >>> >>> On the page I basically have 2 separate HTML forms, one for >>> >>> AnotherActionForm1 and another for AnotherActionForm2. However, I >>> have >>> >>> a >>> >>> SINGLE submit button at the end (just plain button that makes an >>> AJAX >>> >>> request). onClick of that button, I create a query string from the >>> >>> values >>> >>> of both forms, and make a request to the server with the query >>> string >>> >>> attached. The parameter names of the query string arguments are >>> >>> af1.field1 and af2.field2, mimicing what's in MyActionForm. The >>> >>> mapping >>> >>> that the request goes to again references MyActionForm. >>> >>> >>> >>> What I've been told should happen is that Struts should be able to >>> >>> instantiate those two nested beans and set the properties, since >>> the >>> >>> parameter names give it the information it needs. This does not >>> >>> however >>> >>> seem to be happening. >>> >>> >>> >>> So, two questions... first, is that in fact the expected >>> behavoir? And >>> >>> two, if so, any ideas what I'm doing wrong? I can post all the >>> >>> pertinent >>> >>> config and code, but thought it might be something more generic >>> that >>> >>> wouldn't require all that. This is the first time I've ever had a >>> need >>> >>> to >>> >>> nest forms like this, so it's a new question for me. >>> >>> >>> >>> Thanks all! >>> >>> >>> >>> Frank >>> >>> >>> >>> >>> >>> -- >>> >>> Frank W. Zammetti >>> >>> Founder and Chief Software Architect >>> >>> Omnytex Technologies >>> >>> http://www.omnytex.com >>> >>> AIM/Yahoo: fzammetti >>> >>> MSN: [EMAIL PROTECTED] >>> >>> Author of "Practical Ajax Projects With Java Technology" >>> >>> (2006, Apress, ISBN 1-59059-695-1) >>> >>> Java Web Parts - http://javawebparts.sourceforge.net >>> >>> Supplying the wheel, so you don't have to reinvent it! >>> >>> >>> >>> --------------------------------------------------------------------- >>> >>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>> >>> For additional commands, e-mail: [EMAIL PROTECTED] >>> >>> >>> >>> >>> >> >>> >> --------------------------------------------------------------------- >>> >> To unsubscribe, e-mail: [EMAIL PROTECTED] >>> >> For additional commands, e-mail: [EMAIL PROTECTED] >>> >> >>> >> >>> > >>> > >>> > --------------------------------------------------------------------- >>> > To unsubscribe, e-mail: [EMAIL PROTECTED] >>> > For additional commands, e-mail: [EMAIL PROTECTED] >>> > >>> > >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>> For additional commands, e-mail: [EMAIL PROTECTED] >>> >>> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
