passing a list of radio buttons values in struts2 from jsp to action

[Carlo Morganti]

Hi, I need to read the values of several radio buttons, possibily from a list or array but at moment I'm out of ideas how to make it work. I can't use javascripts on this project
I'm using struts2. My main problem is that the number of questions is variable so I don't know beforehand how many radio buttons I'll be reading. I need a way to dinamically add the values in such a way I can later associate each radio button (answer) with corresponding question and use them in following action, if particularly complex, the code to read the values would be welcome as well. All getters and setters are properly configured.
I'd be very gratefull if you could correct my code instead of providing some general example as I'm working overnight and I'm totally exausted.

I also noticed that once the client sees the jsp I've the following problem

<input id="svolgimento" type="hidden" value="ognl.NoConversionPossible" name="svolgimento"></input>

this is the jsp

...
<s:form action="SostenereProvaAction.convalida" id="SostenereProvaActionForm" method="get" theme="simple">
			<s:hidden id="appelloId" name="appelloId" />
			<s:hidden id="soglia" name="soglia" />
			<s:hidden id="svolgimento" name="svolgimento" />
			<s:hidden id="questionario" name="questionario" />
			<table class="struct">
				<s:if test="%{(notPassed)}">
					<tr>
						<th width="25%"><!-- FILLER  --></th>
						<th width="50%" align="center" valign="middle" style="height: 80px;">
							<label>Non sono più disponibili prove per questo appello</label>
						</th>
						<th width="25%"><!-- FILLER  --></th>
					</tr>
				</s:if>
				<s:else>
					<tr>
						<td width="45%">
							<div class="scroll wide700" style="height: 300px">
								<table class="struct">
							     	<s:iterator value="%{questionario}" status="statsStatus">
									     <tr>
									         <td width="15%" align="right"><label>Domanda:</label></td>
									         <td width="85%" align="left"><s:property value="domanda.getTesto()" /></td>
									     </tr>
									     <s:iterator value="risposte" var="risposta" status="userStatus">
										     <tr>
										     	<td width="15%" align="right">
													<input type="radio" onClick="document.getElementById('svolgimento')[<s:property value="%{questionario[(#statsStatus.index)].getDomanda().getId()}"/>][0].value ='<s:property value='#risposta.getId()'/>';" id="<s:property value="#risposta.getId()"/>" name="<s:property value='%{questionario[(#statsStatus.index)].getDomanda().getId()}'/>" value="<s:property value="#risposta.getId()"/>"/> 
												</td>
										        <td><s:property value="#risposta.getTesto()" /></td>
									 		</tr>
										</s:iterator>
									 </s:iterator>
								</table>
							</div>
						</td>
					</tr>
				</s:else>
			</table>
			<div class="center">
				<button id="proceed" <s:if test="%{(notPassed)}">style="display: none;"</s:if>>CONVALIDA</button>
			</div>
		</s:form>
...

the Action attributes

public class SostenereProvaAction extends EquizActionSupport {
	
	private static final long serialVersionUID = 5790444091977809596L;
	
	private Integer appelloId;
	private Integer soglia;
	private List<CoppiaD2R> questionario;
	private Appello appello;
	private String errorMessage;
	private Integer[][] svolgimento;

Class CoppiaD2R attributes

public class CoppiaD2R {
	
	private Domanda domanda;
	private List<Risposta> risposte;
...

Class Domanda attributes (question)

public class Domanda
{
	private Integer id;
	private String testo;
	private Corso corso;
	private Risposta esatta;
...

Class Risposta attributes (answer)

public class Risposta
{
	private Integer id;
	private Domanda domanda;
	private String testo;
...