Package org.objenesis.strategy

Class PlatformDescription

  • public final class PlatformDescription
extends java.lang.Object
    List of constants describing the currently used platform.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static int ANDROID_VERSION
      Android version.
      static java.lang.String DALVIK
      JVM_NAME prefix for Dalvik/Android
      static java.lang.String GAE_VERSION
      Google App Engine version or null is we are not on GAE
      static java.lang.String GNU
      JVM_NAME prefix for GCJ
      static java.lang.String HOTSPOT
      JVM_NAME prefix for Java HotSpot
      static boolean IS_ANDROID_OPENJDK
      Flag telling if this version of Android is based on the OpenJDK
      static java.lang.String JVM_NAME
      JVM name
      static java.lang.String OPENJDK
      JVM_NAME prefix for the OpenJDK
      static java.lang.String PERC
      JVM_NAME prefix for Aonix PERC
      static java.lang.String SPECIFICATION_VERSION
      Java specification version
      static java.lang.String SUN
      Deprecated.
      Use HOTSPOT instead
      static java.lang.String VENDOR
      VM vendor name
      static java.lang.String VENDOR_VERSION
      VM vendor version
      static java.lang.String VM_INFO
      JVM version
      static java.lang.String VM_VERSION
      JVM version

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.String describePlatform()
      Describes the platform.
      static boolean isAfterJava11()
      Tells if the current JVM is running Java 11 or above
      static boolean isAfterJigsaw()
      Tells if the current JVM is running Java 9 or above
      static boolean isAndroidOpenJDK()
      Check if this JVM is an Android JVM based on OpenJDK.
      static boolean isGoogleAppEngine()  
      static boolean isThisJVM​(java.lang.String name)
      Check if the current JVM is of the type passed in parameter.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • HOTSPOT

        public static final java.lang.String HOTSPOT
        JVM_NAME prefix for Java HotSpot
        See Also:
        Constant Field Values

      • SUN

        @Deprecated
public static final java.lang.String SUN
        Deprecated.
        Use HOTSPOT instead
        JVM_NAME prefix for Java HotSpot
        See Also:
        Constant Field Values

      • OPENJDK

        public static final java.lang.String OPENJDK
        JVM_NAME prefix for the OpenJDK
        See Also:
        Constant Field Values

      • PERC

        public static final java.lang.String PERC
        JVM_NAME prefix for Aonix PERC
        See Also:
        Constant Field Values

      • DALVIK

        public static final java.lang.String DALVIK
        JVM_NAME prefix for Dalvik/Android
        See Also:
        Constant Field Values

      • SPECIFICATION_VERSION

        public static final java.lang.String SPECIFICATION_VERSION
        Java specification version

      • VM_VERSION

        public static final java.lang.String VM_VERSION
        JVM version

      • VM_INFO

        public static final java.lang.String VM_INFO
        JVM version

      • VENDOR_VERSION

        public static final java.lang.String VENDOR_VERSION
        VM vendor version

      • VENDOR

        public static final java.lang.String VENDOR
        VM vendor name

      • JVM_NAME

        public static final java.lang.String JVM_NAME
        JVM name

      • ANDROID_VERSION

        public static final int ANDROID_VERSION
        Android version. Will be 0 for none android platform

      • IS_ANDROID_OPENJDK

        public static final boolean IS_ANDROID_OPENJDK
        Flag telling if this version of Android is based on the OpenJDK

      • GAE_VERSION

        public static final java.lang.String GAE_VERSION
        Google App Engine version or null is we are not on GAE

    • Method Detail

      • describePlatform

        public static java.lang.String describePlatform()
        Describes the platform. Outputs Java version and vendor.
        Returns:
        Description of the current platform

      • isThisJVM

        public static boolean isThisJVM​(java.lang.String name)
        Check if the current JVM is of the type passed in parameter. Normally, this will be a constant from this class. We basically do System.getProperty("java.vm.name").startWith(name).
        Parameters:
        name - jvm name we are looking for
        Returns:
        if it's the requested JVM

      • isAndroidOpenJDK

        public static boolean isAndroidOpenJDK()
        Check if this JVM is an Android JVM based on OpenJDK.
        Returns:
        if it's an Android version based on the OpenJDK. Will return false if this JVM isn't an Android JVM at all

      • isAfterJigsaw

        public static boolean isAfterJigsaw()
        Tells if the current JVM is running Java 9 or above
        Returns:
        if the current JVM is Java 9 or above

      • isAfterJava11

        public static boolean isAfterJava11()
        Tells if the current JVM is running Java 11 or above
        Returns:
        if the current JVM is Java 11 or above

      • isGoogleAppEngine

        public static boolean isGoogleAppEngine()