Need help with validation?
Click the “chat” button below for chat support from the developer who created it, or find similar developers for support.

About the developer

jto
195 Stars 32 Forks 131 Commits 3 Opened issues

Description

validation api extracted from play

Services available

!
?

Need anything else?

Contributors list

# 104,325
Shell
macro
play-fr...
XML
54 commits
# 263,888
akka-st...
play-fr...
XML
Shell
14 commits
# 66,394
Scala
play-fr...
Shell
scalajs
9 commits
# 367,506
Scala
CSV
play-fr...
XML
3 commits
# 114,176
Vim
play-fr...
scalajs
JavaFX
3 commits
# 615,328
Scala
CSV
play-fr...
XML
2 commits
# 652,464
Scala
CSV
play-fr...
XML
1 commit
# 210,611
Scala
sbt-plu...
playfra...
slick
1 commit
# 494,862
playfra...
Shell
interpo...
synchro...
1 commit
# 165,138
Shell
Scala
akka
play-fr...
1 commit
# 49,152
curio
rust-la...
micropy...
play-fr...
1 commit
# 663,067
Scala
CSV
play-fr...
XML
1 commit

The unified data validation library

Travis Coverage Status Maven Scala.js Gitter

Overview

The unified validation API aims to provide a comprehensive toolkit to validate data from any format against user defined rules, and transform them to other types.

Basically, assuming you have this:

import play.api.libs.json._
import jto.validation._

case class Person(name: String, age: Int, lovesChocolate: Boolean)

val json = Json.parse("""{ "name": "Julien", "age": 28, "lovesChocolate": true }""")

implicit val personRule = { import jto.validation.playjson.Rules._ Rule.gen[JsValue, Person] }

It can do this:

scala> personRule.validate(json)
res0: jto.validation.VA[Person] = Valid(Person(Julien,28,true))

BUT IT'S NOT LIMITED TO JSON

It's also a unification of play's Form Validation API, and its Json validation API.

Being based on the same concepts as play's Json validation API, it should feel very similar to any developer already working with it. The unified validation API is, rather than a totally new design, a simple generalization of those concepts.

Design

The unified validation API is designed around a core defined in package

jto.validation
, and "extensions". Each extension provides primitives to validate and serialize data from / to a particular format (Json, form encoded request body, etc.). See the extensions documentation for more information.

To learn more about data validation, please consult Validation and transformation with Rule, for data serialization read Serialization with Write. If you just want to figure all this out by yourself, please see the Cookbook.

Using the validation api in your project

Add the following dependencies your

build.sbt
as needed:
resolvers += Resolver.sonatypeRepo("releases")

val validationVersion = "2.1.0"

libraryDependencies ++= Seq( "io.github.jto" %% "validation-core" % validationVersion, "io.github.jto" %% "validation-playjson" % validationVersion, "io.github.jto" %% "validation-jsonast" % validationVersion, "io.github.jto" %% "validation-form" % validationVersion, "io.github.jto" %% "validation-delimited" % validationVersion, "io.github.jto" %% "validation-xml" % validationVersion // "io.github.jto" %%% "validation-jsjson" % validationVersion )

Play dependencies

| Validation | Play | | ---------- | ----- | | 2.1.x | 2.6.x | | 2.0.x | 2.5.x | | 1.1.x | 2.4.x | | 1.0.2 | 2.3.x |

Documentation

Documentation is here

Contributors

  • Julien Tournay - http://jto.github.io
  • Olivier Blanvillain - https://github.com/OlivierBlanvillain
  • Nick - https://github.com/stanch
  • Ian Hummel - https://github.com/themodernlife
  • Arthur Gautier - https://github.com/baloo
  • Jacques B - https://github.com/Timshel
  • Alexandre Tamborrino - https://github.com/atamborrino

We use cookies. If you continue to browse the site, you agree to the use of cookies. For more information on our use of cookies please see our Privacy Policy.