play-json Questions

Scala play json: how to capture the whole JSON source?

May 1, 2023
Vlad Patryshev
3 Answers

I receive, in my client, a WSResponse, and use play's deserializeJson method to extract the data, specified by paths, e.g. implicit val lsmf: Format[MyData] = ( (__).formatNullable[JsValue] ~ (__ "id").format[Int] ~ (__ "name").format[String]) (MyData.apply, unlift(MyData.unapply)) The receiving class will look…

VIEW QUESTION

JSON parsing removes decimal trailing zeros

March 29, 2023
codeMouse
2 Answers

I have a Json string, after parsing I want it to remain in decimal form. import play.api.libs.json._ val jsonString = """{"value":2.0}""" println(jsonString) println(Json.parse(jsonString)) The output of the code above is: {"value":2.0} {"value":2} I need it to be {"value":2.0} {"value":2.0}

VIEW QUESTION