Anchor tag is providing a default value for href attribute when it should not
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Key: WW-3571
URL: https://issues.apache.org/jira/browse/WW-3571
Project: Struts 2
Issue Type: Bug
Affects Versions: 2.2.1.1, 2.1.8
Reporter: James House
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 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.
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