@Path and regular expressions

The @Path annotation is not limited to simple path expressions. You also have the ability to insert regular expressions into @Path's value. For example:

@Path("/resources)
public class MyResource {

   @GET
   @Path("{var:.*}/stuff")
   public String get() {...}
}

The following GETs will route to the getResource() method:

GET /resources/stuff
GET /resources/foo/stuff
GET /resources/on/and/on/stuff

The format of the expression is:

"{" variable-name [ ":" regular-expression ] "}"

The regular-expression part is optional. When the expression is not provided, it defaults to a wildcard matching of one particular segment. In regular-expression terms, the expression defaults to

"([]*)"

For example:

@Path("/resources/{var}/stuff")

will match these:

GET /resources/foo/stuff
GET /resources/bar/stuff

but will not match:

GET /resources/a/bunch/of/stuff

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