> From: George Sexton [mailto:[email protected]]
> Subject: Filter Mapping URL Pattern
> I'm trying to add a filter mapping with the URL-Pattern
> <url-pattern>/*.css</url-pattern>
Which, unfortunately, isn't allowed. You probably just need to remove the
leading slash.
> Can someone direct me to a a BNF definition of what's an acceptable
> url-pattern in the specification, or some portion of the servlet spec
> that explains the implementation of StandardContext.validateURLPattern()?
See section 12.2 of the servlet spec (not quite BNF, but probably good enough):
In the Web application deployment descriptor, the following syntax is used to
define
mappings:
■ A string beginning with a '/' character and ending with a '/*' suffix is used
for
path mapping.
■ A string beginning with a '*.' prefix is used as an extension mapping.
■ The empty string ("") is a special URL pattern that exactly maps to the
application's context root, i.e., requests of the form
http://host:port/<contextroot>/.
In this case the path info is '/' and the servlet path and context path is
empty string ("").
■ A string containing only the '/' character indicates the "default" servlet of
the
application. In this case the servlet path is the request URI minus the context
path
and the path info is null.
■ All other strings are used for exact matches only.
- Chuck
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