Hello,
My app needs to know about a directory that may or may not exist in the
context path (if it doesn't exist, it will create it). I thought I could
use symbols to expand such paths, but I cannot. Here's what I was trying
in my contribution:
public static void
contributeApplicationDefaults(MappedConfiguration<String, String>
configuration) {
/* Context-provided paths and resources. */
configuration.add("images.root", "context:img");
//......
configuration.add("blog.uploads.images",
"${images.root}/img/blog/uploads");
}
As currently implemented, if I want prefixes like 'context:' to be
resolved I have to use something like @Path, otherwise I get the
unresolved string 'context:'. However @Path assumes the argument is an
asset, and that asset must exist or an exception will be thrown. It'd be
nice prefixes like 'context:' could be resolved outside of @Path, but as
an alternative I tried to inject Request into my contribution. I tried
these variations:
public static void
contributeApplicationDefaults(MappedConfiguration<String, String>
configuration, Request request) {}
public static void
contributeApplicationDefaults(MappedConfiguration<String, String>
configuration, @Inject Request request) {}
public static void
contributeApplicationDefaults(MappedConfiguration<String, String>
configuration, @InjectService("Request") Request request) {}
Each time I get the same exception, that request
(org.apache.tapestry.services.Request) is null.
Can anyone offer some input on how I can get any of these methods to work?
thanks,
chris
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