[richfaces-issues] [JBoss JIRA] (RF-12190) ResourceServlet resources cannot be downloaded by a WSRP Consumer
Neil Griffin created RF-12190:
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Summary: ResourceServlet resources cannot be downloaded by a WSRP Consumer
Key: RF-12190
URL: https://issues.jboss.org/browse/RF-12190
Project: RichFaces
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: resource handling
Affects Versions: 4.2.1.Final
Reporter: Neil Griffin
RichFaces 4 is generally working in Liferay Portal 6.1 WSRP and Liferay Faces Bridge, but
components like rich:calendar aren't rendering properly.
The problem stems from the fact that some components rely on context-path relative URLs,
rather than the JSF2 resource mechanism.
For example, with rich:calendar, the popup button is rendered as an image like this:
{code}
<img alt="" class="rf-cal-btn "
id="A5352:l1:c1:f1:fs1:c1b:dateOfBirthPopupButton"
src="/my-portlet/org.richfaces.resources/javax.faces.resource/org.richfaces.staticResource/4.2.0.Final/Packed/DEFAULT/org.richfaces.images/calendarIcon.png"
style="vertical-align: middle">
{code}
This is a problem because it ultimately relies on the /my-portlet context-path of the
request, which is not compatible with WSRP. If the URL for calendarIcon.png was created by
ExternalContext.encodeResourceURL(String) then then the WSRP problem would be solved,
because it would be retrieved with a portlet ResourceURL that WSRP knows how to rewrite
for the WSRP Consumer to download.
But this wouldn't solve the problem entirely -- here is a fragment of CSS from
packed.css:
{code}
.rf-cal-btn-close {
background-image: url(../org.richfaces.images/calendarSeparator.png);
}
{code}
The problem here is that calendarSeparator.png is expected to live relative to the
packed.css file, in a URL like
"/my-portlet/.../4.2.0.Final/Packed/calendarSeparator.png" but you can't
make that context-path-relative assumption with WSRP. To fix this problem, the #{resource}
EL keyword would have to be used within the packed.css file for each image resource,
something similar to this:
{code}
.rf-cal-btn-close {
background-image:
url("#{resource['richfaces-theme:org.richfaces.images/calendarSeparator.png']}");
}
{code}
One workaround would be to deploy a lightweight webapp in the same server as the WSRP
Consumer that contains the ResourceServlet and theme resources, but that doesn't
exactly achieve what WSRP is trying to accomplish, which is to have the entire portlet
(and it's resources) deployed to a remote portal server.
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