jetbrains.exodus.system.JVMConstants.kt Maven / Gradle / Ivy
/**
* Copyright 2010 - 2022 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
@file:Suppress("MemberVisibilityCanPrivate", "HasPlatformType")
package jetbrains.exodus.system
import java.util.*
object JVMConstants {
val JAVA_SPEC_VERSION = System.getProperty("java.specification.version")
val JAVA_MAJOR_VERSION: Int
val JAVA_MINOR_VERSION: Int
val IS_JAVA8_OR_HIGHER: Boolean
val IS_JAVA9_OR_HIGHER: Boolean
@JvmStatic
val IS_ANDROID = System.getProperty("java.vendor").contains("Android")
val IS_MAC = System.getProperty("os.name").contains("Mac")
init {
val st = StringTokenizer(JAVA_SPEC_VERSION, ".")
JAVA_MAJOR_VERSION = Integer.parseInt(st.nextToken())
JAVA_MINOR_VERSION = if (st.hasMoreTokens()) Integer.parseInt(st.nextToken()) else 0
IS_JAVA9_OR_HIGHER = JAVA_MAJOR_VERSION > 1 || (JAVA_MAJOR_VERSION == 1 && JAVA_MINOR_VERSION == 9)
IS_JAVA8_OR_HIGHER = IS_JAVA9_OR_HIGHER || (JAVA_MAJOR_VERSION == 1 && JAVA_MINOR_VERSION == 8)
}
}