Re: Creating templates in jar files

>     I would like to create custom taglibs with the help of facelets in
>     separate jars.
>     Is it possible to load the xhtml files with ui:include from the
>     classpath?
>
>     I mean something like this:
>         <ui:include source="classpath://com/x/y/datascroller.xhtml">
>
>     Would be nice to use something similar when I create taglibs in the
>     source xml element.
>
>
> Yes. Use a custom resource resolver. Like this one:
>
> public class ClassletsResourceResolver extends DefaultResourceResolver {
>
>     public ClassletsResourceResolver() {
>         super();
>     }
>
>     private static final String PREFIX = "/classlets/";
>
>     public String getPrefix() {
>         return PREFIX;
>     }
>
>     public URL resolveUrl(String path) {
>         final String prefix = getPrefix();
>         if (path != null && path.startsWith(prefix)) {
>             final String resource = path.substring(prefix.length());
>             final URL url = 
> getClass().getClassLoader().getResource(resource);
>             return url;
>         } else
>
>         {
>             return super.resolveUrl(path);
>         }
>     }
> }

I have something similar in my Seamless utility library, except it 
checks the classpath only if the template isn't found on the filesystem:

http://seamless.ninthavenue.com.au/xref/seamless/util/FaceletsJarResolver.html
http://www.ninthavenue.com.au/extras/seamless

To change the facelets resolver you need to set a context parameter in 
your web.xml, like this:

  <!-- allows facelets to be in jars -->
  <context-param>
    <param-name>facelets.RESOURCE_RESOLVER</param-name>
    <param-value>seamless.util.FaceletsJarResolver</param-value>
  </context-param>

As somebody mentioned in this thread, you don't need to do this for 
custom tags as they are already resolved relative to the taglib file, 
even if this is in a jar.

Roger


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