jax rs - REST API getById using Integer or String? -

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i'm designing rest jax-rs api jersey.

i want know best practice object id. need map id on integer or string

solution 1:

/books/{id} getbyid(@pathparam("id") long id)

solution 2:

/books/{id} getbyid(@pathparam("id") string id)

my intention used long because directly mapped on database model using long...

if need long, make parameter long.

if jax-rs can't map path parameter requested client long, return 404 not found http status code thing. if allow string, code have check. let jax-rs checking.

@get @path("/books/{id}") public response getbook(@pathparam("id") long id) {     return response.ok("book " + id).build(); }

a request /books/123 return book 123. request /books/foo fail 404 not found.


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