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From André Warnier>
Subject Re: JSP in Static Resources
Date Sat, 13 Jul 2013 14:29:39 GMT
Alireza Fattahi wrote:
> Hi,
> My situation is this:
> The site which i work should work in RTL and LTR modes ( I am using YAML for layout)
> The site.css should have this for LTR:
> @import url(../yaml/navigation/hlist.css);
> @import url(../yaml/forms/gray-theme.css);
> @import url(../yaml/screen/typography.css);
> @import url(../yaml/screen/screen-FULLPAGE-layout.css);
> for RTL it must have
> @import url(../../yaml/add-ons/rtl-support/core/base-rtl.css);
> @import url(../../yaml/add-ons/rtl-support/navigation/hlist-rtl.css);
> @import url(../../yaml/add-ons/rtl-support/forms/gray-theme-rtl.css);    
> So I want to path a parameter to CSS and do some thing like this:
> and in the CSS
> @import url(../../yaml/add-ons/rtl-support/core/base-<%=request.getParameter("direction")%>.css);
> I donot want to to use if parameters in the jsp and do some thing like this:
> if request.getParameter("direction")="RTL"
> {
> <link href="styles/site-rtl.css" rel="stylesheet" type="text/css" />
> }
> else{
> <link href="styles/site-ltr.css" rel="stylesheet" type="text/css" />
> }

I agree that the above does not look very elegant.

I don't really know JSP syntax, but can't you do something like

<link href="styles/site-<% request.getParameter("direction") %>.css"  rel="stylesheet"

type="text/css" />

I am looking at this from a naive point of view, and thinking about the poor guys who are

going to have to debug one of these pages in 12 month's time, and who'll have to figure 
out that the .css stylesheets on that site are not, as usual, plain CSS files usable 
everywhere, but have to be processed like JSP files.
(Also, if you ever have to give this to a graphic guy, he may have some trouble working 
with this).
I guess that there is nothing wrong in the /principle/ of having a CSS file being compiled

into a servlet generating a CSS document, but somehow it does not seem the most 
straightforward thing to do.

> The problem is that, although you set the mime type of css to text/css in web.xml. it
does not take effect.
> I just find a bad work around which you must put <%@page contentType="text/css" %>in
top of all css files
> ~Regards,
> ~~Alireza Fattahi
> ________________________________
>  From: André Warnier <>
> To: Tomcat Users List <> 
> Sent: Saturday, 13 July 2013, 14:21
> Subject: Re: JSP in Static Resources
> Alireza Fattahi wrote:
>> Hi,
>> I want to add some jsp code in to my site.css.
> Maybe it is just me, but that does not seem to make any sense.
> Usually, it would be the other way around.
> Can you explain why you want to do this ?
> The idea of JSP is to have Java code which in the end produces a HTML page which is sent

> to the browser.  The JSP is compiled into a servlet, which is executed when the browser

> "calls" that JSP page. The servlet produces HTML, which is sent the browser.
> The HTML page may contain links to CSS stylesheets, Javascript libraries etc.
> The browser retrieves these directly, as static objects, when it finds a link in the
> A CSS stylesheet is meant to provide instructions to the browser, about how to /render/

> (display nicely) the final product, which is the HTML page (produced by the JSP/servlet).
> I cannot really imagine a scenario in which having Java code in there would make any

> sense.  At the very least, that would make the later maintenance of that application

> hopelessly confusing.
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