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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (WW-4088) Supressing empty parameters on <s:a> tag
Date Fri, 18 Oct 2013 09:17:42 GMT

    [ https://issues.apache.org/jira/browse/WW-4088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13798936#comment-13798936
] 

ASF subversion and git services commented on WW-4088:
-----------------------------------------------------

Commit 1533366 from [~lukaszlenart] in branch 'struts2/trunk'
[ https://svn.apache.org/r1533366 ]

WW-4088 Defines new suppressEmptyParams flag

> Supressing empty parameters on <s:a> tag 
> -----------------------------------------
>
>                 Key: WW-4088
>                 URL: https://issues.apache.org/jira/browse/WW-4088
>             Project: Struts 2
>          Issue Type: Improvement
>          Components: Plugin - Java Templates, Plugin - Tags
>    Affects Versions: 2.3.14.2
>         Environment: Tomcat/Centos
>            Reporter: Greg Huber
>            Assignee: Lukasz Lenart
>            Priority: Minor
>             Fix For: 2.3.16
>
>         Attachments: paramtag_patch.txt, patch.txt
>
>
> Hello,
> When using the s:a anchor tag you can get parameters with empty values ie ?foo= for null
values. 
> It would be good if there was a way to filter these out, similar to the struts.xml <param
name="suppressEmptyParameters">true</param>. The <s:if> tags in the body are
ignored.  I either have to do it in programatically or use jstl :(
> ie possibly do something similar :
> from:
> {code:xml}
> <s:a action="eventAdd" accesskey="a">
> <s:text name="title.heading.eventadd" />
> <c:if test="${not empty bean.searchString}">
>  <s:param name="bean.searchString" value="%{bean.searchString}" />
> </c:if>
> <c:if test="${not empty bean.filter}">
>  <s:param name="bean.filter" value="%{bean.filter}" />
> </c:if>
> <s:param name="bean.pageNum" value="%{pager.pageNumber}" />
> </s:a>
> {code}
> To:
> {code:xml}
> <s:a action="eventAdd" accesskey="a">
> <s:text name="title.heading.eventadd" />
> <s:param name="bean.searchString" value="%{bean.searchString}" />
> <s:param name="bean.filter" value="%{bean.filter}" />
> <s:param name="bean.pageNum" value="%{pager.pageNumber}" />
> <s:param name="suppressEmptyParameters" value="true"/>
> </s:a>
> {code}
> (Ref WW-3920)
> Cheers Greg



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