问题
Is it possible to define path with optional path variables.
like the uri below:
/app/make/{make}/model/{model}/year/{year}/mileage/{mileage}/fuelType/{fuelType}/maxPrice/{maxprice}/transmission/{transmission}/engineSize/{engineSize}
URI may be composed of any 0 or more combinations of the parameters? Is there a way to tell resteasy that all those paths are optional?
cheers.
回答1:
Why bother using path segments? If they are optional parameters then it can't be a real hierarchy so why not just use query string parameters. They work much better for this type of parameter.
回答2:
@Path("/make/{make}{model:(/model/[^/]+)?}{fuel : (/fuel/[^/]+)?}{gearbox : (/gearbox/[^/]+)?}/cars")
app/{make:(/make/[^/]+)?}{model:(/model/[^/]+)?}{year:(/year/[^/]+)?}{mileage:(/mileage/[^/]+)?}
I came up with the above workaround which works but inside the method I need to remove the pathname.
来源：https://stackoverflow.com/questions/4071008/resteasy-path-question-with-regular-expression