org.objenesis.strategy

Class PlatformDescription

java.lang.Object

org.objenesis.strategy.PlatformDescription

public final class PlatformDescription
extends Object

List of constants describing the currently used platform.

Author:

Henri Tremblay

Field Summary

Fields

Modifier and Type	Field and Description
static int	ANDROID_VERSION Android version.
static String	DALVIK JVM_NAME prefix for Dalvik/Android
static String	GAE_VERSION Google App Engine version or null is we are not on GAE
static String	GNU JVM_NAME prefix for GCJ
static 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 String	JROCKIT JVM_NAME prefix for JRockit
static String	JVM_NAME JVM name
static String	OPENJDK JVM_NAME prefix for the OpenJDK
static String	PERC JVM_NAME prefix for Aonix PERC
static String	SPECIFICATION_VERSION Java specification version
static String	SUN Deprecated. Use HOTSPOT instead
static String	VENDOR VM vendor name
static String	VENDOR_VERSION VM vendor version
static String	VM_INFO JVM version
static String	VM_VERSION JVM version

Method Summary

Modifier and Type	Method and Description
static String	describePlatform() Describes the platform.
static boolean	isAndroidOpenJDK() Check if this JVM is an Android JVM based on OpenJDK.
static boolean	isGoogleAppEngine()
static boolean	isThisJVM(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

JROCKIT

public static final String JROCKIT

JVM_NAME prefix for JRockit

See Also:

Constant Field Values

GNU

public static final String GNU

JVM_NAME prefix for GCJ

See Also:

Constant Field Values

HOTSPOT

public static final String HOTSPOT

JVM_NAME prefix for Java HotSpot

See Also:

Constant Field Values

SUN

@Deprecated
public static final String SUN

Deprecated. Use HOTSPOT instead

JVM_NAME prefix for Java HotSpot

See Also:

Constant Field Values

OPENJDK

public static final String OPENJDK

JVM_NAME prefix for the OpenJDK

See Also:

Constant Field Values

PERC

public static final String PERC

JVM_NAME prefix for Aonix PERC

See Also:

Constant Field Values

DALVIK

public static final String DALVIK

JVM_NAME prefix for Dalvik/Android

See Also:

Constant Field Values

SPECIFICATION_VERSION

public static final String SPECIFICATION_VERSION

Java specification version

VM_VERSION

public static final String VM_VERSION

JVM version

VM_INFO

public static final String VM_INFO

JVM version

VENDOR_VERSION

public static final String VENDOR_VERSION

VM vendor version

VENDOR

public static final String VENDOR

VM vendor name

JVM_NAME

public static final 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 String GAE_VERSION

Google App Engine version or null is we are not on GAE

Method Detail

describePlatform

public static String describePlatform()

Describes the platform. Outputs Java version and vendor.

Returns:

Description of the current platform

isThisJVM

public static boolean isThisJVM(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

isGoogleAppEngine

public static boolean isGoogleAppEngine()