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From "Maurizio Cucchiara (JIRA)" <>
Subject [jira] Commented: (WW-3571) Anchor tag is providing a default value for href attribute when it should not
Date Sat, 12 Feb 2011 17:55:57 GMT


Maurizio Cucchiara commented on WW-3571:

I would agree with you except that I myself use the default value of href, I find it very
useful. Moreover if someone need an anchor tag without href attribute (hence without the url
render facility) (s)he probably don't need to choose the struts tag library.
With said that, I think we should find a way to allow the user to take advantage of the url
render stuff and/or to leave undefined the href attribute. 
Any thought?

> Anchor tag is providing a default value for href attribute when it should not
> -----------------------------------------------------------------------------
>                 Key: WW-3571
>                 URL:
>             Project: Struts 2
>          Issue Type: Bug
>    Affects Versions: 2.1.8,
>            Reporter: James House
>            Assignee: Maurizio Cucchiara
> The Anchor tag is providing a default value for href attribute when it should not.
> Previous versions of Struts2 did not do this, and in fact the documentation for the tag
also says there is no default value.
> However it is placing a default value of the current URL, rather than leaving the href
attribute off altogether.  (it is legal per HTML to not have an href attribute, and in fact
we had existing code that was trying to purposely leave it off, but now instead of being left
off, it is rendered with the current URL).
> I believe the problem was introduced with the changes related to WW-3037.   This block
of code (from precisely:
> {code}
>     @Override
>     protected void evaluateExtraParams() {
>         super.evaluateExtraParams();
>         if (href != null)
>             addParameter("href", ensureAttributeSafelyNotEscaped(findString(href)));
>         else {
>             //no href, build it from URL attributes
>             StringWriter sw = new StringWriter();
>             urlRenderer.beforeRenderUrl(urlProvider);
>             urlRenderer.renderUrl(sw, urlProvider);
>             String builtHref = sw.toString();
>             if (StringUtils.isNotEmpty(builtHref))
>                 addParameter("href", ensureAttributeSafelyNotEscaped(builtHref));
>         }
>     }
> {code}
> To preserve documented and previous functionality of allowing href to not be rendered
in the tag, the entire "else" block should be removed (of course that significantly negates
WW-3037 - which apparently didn't think about the fact that it is legit to not have an href
for the anchor).

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