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Subject: Re: Any way to configure a javascript/html war with deployment-time
 properties?
To: Tomcat Users List <users@tomcat.apache.org>
References: 
 <B8D164BED956C5439875951895CB4B22510975BA@CAFRFD1MSGUSRJH.ITServices.sbc.com>
From: Christopher Schultz <chris@christopherschultz.net>
Message-id: <21d09755-84ac-a450-375a-f710709a7961@christopherschultz.net>
Date: Mon, 15 Aug 2016 17:26:41 -0400
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David,

On 8/15/16 3:39 PM, KARR, DAVID wrote:
> I'm using TomEE, but I think this question is Tomcat-specific, if 
> there's any solution at all.
> 
> I have a WAR that is a "pure" webapp, with only javascript, css,
> and html.  The javascript connects to a REST service at a defined 
> host:port.  The host:port is currently hardcoded in a javascript 
> variable.
> 
> I really need to be able to configure this host:port at deployment 
> time.  I know how to do this sort of thing with Java apps, but I'm
> at a loss to see how to do this conveniently for a non-Java war.
> 
> How can I rearrange this solution so that I can change the
> host:port the WAR uses at deployment time?

If your content is non-dynamic, then it's .. non-dynamic. There is no
problem returning a dynamically-built javascript source file if you'd
like.

You have a lot of choices for how to dynamically-build a source file
like that, but if you were to use JSP, it could look something like this
:


// This is my "pure" webapp, with only javascript, css, and html
var serviceBaseURL = '<%=
request.getServletContext().getAttribute("baseURL") %>';

// Here is the rest of your application.

Hope that helps,
- -chris
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