27 lines
687 B
Scala
27 lines
687 B
Scala
|
/*
|
||
|
|
* Copyright (C) 2009-2018 Lightbend Inc. <https://www.lightbend.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
package akka.util
|
||
|
|
|
||
|
|
import akka.annotation.InternalApi
|
||
|
|
|
||
|
|
/**
|
||
|
|
* INTERNAL API
|
||
|
|
*/
|
||
|
|
@InternalApi private[akka] object JavaVersion {
|
||
|
|
|
||
|
|
val majorVersion: Int = {
|
||
|
|
// FIXME replace with Runtime.version() when we no longer support Java 8
|
||
|
|
// See Oracle section 1.5.3 at:
|
||
|
|
// https://docs.oracle.com/javase/8/docs/technotes/guides/versioning/spec/versioning2.html
|
||
|
|
val version = System.getProperty("java.specification.version").split('.')
|
||
|
|
|
||
|
|
val majorString =
|
||
|
|
if (version(0) == "1") version(1) // Java 8 will be 1.8
|
||
|
|
else version(0) // later will be 9, 10, 11 etc
|
||
|
|
|
||
|
|
majorString.toInt
|
||
|
|
}
|
||
|
|
}
|