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https://issues.apache.org/struts/browse/WW-3120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=46316#action_46316
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Wes Wannemacher commented on WW-3120:
-------------------------------------
Jeff, sorry after reading my comment, I realized I didn't explain... The
Checkbox interceptor loops through all the parameters in the context and if it
finds one that is associated with a checkbox, it removes the parameter from the
map and then jimmies a boolean in there. I can see where you're coming from
because it makes for a special case and definitely unintuitive behavior. I just
don't want to try to change existing behavior while I'm working on a minor
release. I wouldn't have a problem fixing it in a later release, especially if
removing checkbox is troublesome.
> <s: checkbox> returns boolean type to ParameterAware
> ----------------------------------------------------
>
> Key: WW-3120
> URL: https://issues.apache.org/struts/browse/WW-3120
> Project: Struts 2
> Issue Type: Bug
> Components: Core Interceptors
> Affects Versions: 2.0.11.1
> Environment: Windows XP SP3, IE6 & Firefox 3.0.10, Apache Tomcat
> 5.5.17, Java 1.5.0_15
> Reporter: Jeff Kelley
> Assignee: Wes Wannemacher
> Fix For: 2.1.7
>
>
> My action class is implementing ParameterAware so I can get all the
> name/value pairs on the page. When using the <s:checkbox> tag the value is a
> boolean in the ParameterMap, not a String[].
> JSP:
> <s:checkbox name="MCN" fieldValue="true" theme="simple"/>
> Action Class:
> public class Upload extends ActionSupport implements SessionAware,
> ParameterAware
> {
> private Map<String, String[]> parameterMap;
> public String execute()
> {
> String[] stuff;
> stuff = parameterMap.get("MCN");
> return SUCCESS;
> }
> public void setParameters(Map paramMap)
> {
> parameterMap = paramMap;
> }
> }
> When the execute() method runs I get a class cast exception on 'stuff' since
> it cannot cast from a boolean to a String[].
> When I debug the remote JVM with Eclipse 3.4 I get the following in the
> parameterMap : {password=[Ljava.lang.String;@1e6ee98,
> struts.token.name=[Ljava.lang.String;@3a3e21, MCN=false,
> struts.token=[Ljava.lang.String;@9ac272, uID=[Ljava.lang.String;@1c519e2}.
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