[stringtemplate-interest] use template groups in a WAR

[Nate]

Sorry for all the emails, but I was missing a part of the class below. 
In the constructor, the line should be...

this.classpathRootDir = classpathRootDir + name + '/';


Nate wrote:
> Below is the solution I came up with. It is nice that the internals of 
> StringTemplateGroup are exposed as protected members so that this is 
> even possible. However, I feel this is something StringTemplate should 
> provide out of the box. Unfortunately, simply including the class below 
> may prove confusing since the StringTemplateGroup class also provides a 
> way to load templates through the classpath. A simple "@see 
> ClasspathTemplateGroup" javadoc tag in the StringTemplateGroup class may 
> be sufficient to clear this up.
>
> -Nate
>
> public class ClasspathTemplateGroup extends StringTemplateGroup {
>     private final String classpathRootDir;
>
>     public ClasspathTemplateGroup (String name, String classpathRootDir) {
>         super(name);
>         if (!classpathRootDir.endsWith("/")) classpathRootDir += "/";
>         this.classpathRootDir = classpathRootDir;
>     }
>
>     protected StringTemplate loadTemplateFromBeneathRootDirOrCLASSPATH 
> (String fileName) {
>         return 
> super.loadTemplateFromBeneathRootDirOrCLASSPATH(classpathRootDir + 
> fileName);
>     }
> }
>
>
> Nate wrote:
>   
>> Hi Harry, please see my list message in reply to Jean-Marie (sent 
>> 11/12/06). I realize that I can access templates on the classpath using 
>> a path relative to the root of the classpath. However, I want to access 
>> templates on the classpath based on a root directory. This can be done 
>> on the filesystem and, IMHO, should also be possible on the classpath.
>>
>> Thanks,
>> -Nate
>>
>>
>> Harry Karadimas wrote:
>>   
>>     
>>> Put your files in /WEB-INF/classes, and try "/" in front of your path, 
>>> e.g.
>>> */*skins/redtheme/etc.st
>>>                                                        Harry Karadimas
>>> /______________________________________________________________________
>>> Dr Harry Karadimas  Medecin Ingenieur resp. Recherche et Developpement
>>> Departement d'Information Hospitalier
>>> CHU Henri Mondor 51, av. du Mal de Lattre de Tassigny   94010  CRETEIL
>>> tel : (00 33 1) 49 81 21 79                fax : (00 33 1) 49 81 27 08
>>> secr.: (00 33 1) 49 81 23 82 m.el.:harry.karadimas at hmn.ap-hop-paris.fr
>>> /
>>>
>>>
>>> stringtemplate-interest-request at antlr.org a écrit :
>>>     
>>>       
>>>> Send stringtemplate-interest mailing list submissions to
>>>> 	stringtemplate-interest at antlr.org
>>>>
>>>> To subscribe or unsubscribe via the World Wide Web, visit
>>>> 	http://www.antlr.org:8080/mailman/listinfo/stringtemplate-interest
>>>> or, via email, send a message with subject or body 'help' to
>>>> 	stringtemplate-interest-request at antlr.org
>>>>
>>>> You can reach the person managing the list at
>>>> 	stringtemplate-interest-owner at antlr.org
>>>>
>>>> When replying, please edit your Subject line so it is more specific
>>>> than "Re: Contents of stringtemplate-interest digest..."
>>>>
>>>>
>>>> Today's Topics:
>>>>
>>>>    1. use template groups in a WAR (Nate)
>>>>
>>>>
>>>> ----------------------------------------------------------------------
>>>>
>>>> Message: 1
>>>> Date: Fri, 10 Nov 2006 17:44:23 -0800
>>>> From: Nate <misc at n4te.com>
>>>> Subject: [stringtemplate-interest] use template groups in a WAR
>>>> To: stringtemplate-interest at antlr.org
>>>> Message-ID: <45552AF7.4080904 at n4te.com>
>>>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>>>
>>>> I am writing a web application. I want to use StringTemplate to generate 
>>>> the HTML pages. I want users to be able to select a "skin" from a list. 
>>>> Each skin would use a different set of templates to display the HTML.
>>>>
>>>> My initial impression is that I'd use a different StringTemplateGroup 
>>>> for each skin. I imagined a file structure like this...
>>>>
>>>> skins/redtheme/page.st
>>>> skins/redtheme/etc.st
>>>> skins/bluetheme/page.st
>>>> skins/bluetheme/etc.st
>>>>
>>>> ...the code would be something like...
>>>>
>>>> skinName = "redtheme";
>>>> group = new StringTemplateGroup(skinName, "skins");
>>>> group.getInstanceOf("page");
>>>> group.getInstanceOf("etc");
>>>>
>>>> This works fine on the filesystem. Now I zip my application up into a 
>>>> WAR file and suddenly the templates cannot be found. Next I think I 
>>>> should look up templates using the classpath. StringTemplate 
>>>> documentation leads me to think I need to use code like this...
>>>>
>>>> skinName = "redtheme";
>>>> group = new StringTemplateGroup("allSkins");
>>>> group.getInstanceOf("skins/" + skinName + "/page");
>>>> group.getInstanceOf("skins/" + skinName + "/etc");
>>>>
>>>> There is no "rootDir" when using the classpath, so I cannot use the a 
>>>> StringTemplateGroup for each skin, like I could on the filesystem.
>>>>
>>>> What is the solution? How do other people do it? Why does it work so 
>>>> differently when JARed or WARed?
>>>>
>>>> Regards,
>>>> Nathan Sweet