ceedubs / scrutinator   0.1.2

MIT License GitHub

Using Shapeless to get type-safe binding of request parameters in Scalatra

Scala versions: 2.10

Scrutinator

Scrutinator is a request binding/validation library with an emphasis on type safety.

Principles

  1. As type-safe as possible
    • Optional values without a provided default are Options, other values are not
    • Shouldn't be allowed to request something that hasn't been bound from the request yet
    • Shouldn't be allowed to ask for a type to be bound from the request if there isn't evidence that we can perform that binding
    • When I ask for params("age"), since I have specified the "age" field, the result should be typed to an int
    • When I ask for params("name"), since I have specified the "name" field, the result should be typed to a string
    • When I ask for params("oops"), since I have not specified an "oops" param, I should get a compile error
  2. Convenient - should be able to bind multiple values at once and get a Validation of the sequenced individual validations
  3. Swagger integration - bindings can be used to generate Swagger specs

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