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This is an implementation of Orderly JSON for use on the JVM. The parser is written in Scala.

A JSON schema validator is also included, so you can validate JSON values against your Orderly definitions.

This implementation uses the same test suite as the reference implementation to help ensure consistent behavior. If you find a case that produces different output, please let me know and I will add it to the test suite.

Release artifacts are available via the JCenter repository. Once your build tool is configured to use JCenter, you can download this library using coordinates com.nparry:orderly:VERSION - for example in your build.sbt:

libraryDependencies += "com.nparry" %% "orderly" % "LATEST_VERSION"

This project is covered by the BSD license.


You can use Orderly directly through Scala or through a set of Java interfaces.

From Java:

import com.nparry.orderly.api.*;
import com.nparry.orderly.*;
import java.util.List;

OrderlyFaactory factory = new DefaultOrderlyFactory();
Orderly orderly = factory.getOrderly("integer {0,100};");

List<Violation> noProblems = orderly.getViolations("50");
List<Violation> notAllowed = orderly.getViolations("200");

From Scala:

import com.nparry.orderly._
import net.liftweb.json.JsonAST._

val orderly = Orderly("integer {0,100};")

val noProblems = orderly.validate(JInt(50))
val notAllowed = orderly.validate(JInt(200))

An example of usage via the Scala console:

scala> val orderly = Orderly("integer {0,100};")
orderly: com.nparry.orderly.Orderly = 

scala> val noProblems = orderly.validate(JInt(50))
noProblems: List[com.nparry.orderly.Violation] = List()

scala> val notAllowed = orderly.validate(JInt(200))
notAllowed: List[com.nparry.orderly.Violation] = List(Violation(List(),200 is greater than maximum allowed value))


An implementation of Orderly JSON for use on the JVM



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