com.fr.third.org.objenesis.objenesis.strategy

类 PlatformDescription

java.lang.Object

com.fr.third.org.objenesis.objenesis.strategy.PlatformDescription

public final class PlatformDescription
extends java.lang.Object

List of constants describing the currently used platform.

作者:

Henri Tremblay

字段概要

字段

限定符和类型	字段和说明
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	JROCKIT JVM_NAME prefix for JRockit
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 已过时。 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

方法概要

方法

限定符和类型	方法和说明
static java.lang.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(java.lang.String name) Check if the current JVM is of the type passed in parameter.

从类继承的方法 java.lang.Object

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

字段详细资料

JROCKIT

public static final java.lang.String JROCKIT

JVM_NAME prefix for JRockit

另请参阅:

常量字段值

GNU

public static final java.lang.String GNU

JVM_NAME prefix for GCJ

另请参阅:

常量字段值

HOTSPOT

public static final java.lang.String HOTSPOT

JVM_NAME prefix for Java HotSpot

另请参阅:

常量字段值

SUN

@Deprecated
public static final java.lang.String SUN

已过时。 Use HOTSPOT instead

JVM_NAME prefix for Java HotSpot

另请参阅:

常量字段值

OPENJDK

public static final java.lang.String OPENJDK

JVM_NAME prefix for the OpenJDK

另请参阅:

常量字段值

PERC

public static final java.lang.String PERC

JVM_NAME prefix for Aonix PERC

另请参阅:

常量字段值

DALVIK

public static final java.lang.String DALVIK

JVM_NAME prefix for Dalvik/Android

另请参阅:

常量字段值

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

方法详细资料

describePlatform

public static java.lang.String describePlatform()

Describes the platform. Outputs Java version and vendor.

返回:

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).

参数:

name - jvm name we are looking for

返回:

if it's the requested JVM

isAndroidOpenJDK

public static boolean isAndroidOpenJDK()

Check if this JVM is an Android JVM based on OpenJDK.

返回:

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()