com.jsmframe.utils

类 SystemUtil

java.lang.Object

com.jsmframe.utils.SystemUtil

public class SystemUtil
extends Object

作者:

longzl / @createOn 2010-8-29

字段概要

字段

限定符和类型	字段和说明
static String	AWT_TOOLKIT
static String	FILE_ENCODING
static String	FILE_SEPARATOR
static boolean	IS_JAVA_1_1
static boolean	IS_JAVA_1_2
static boolean	IS_JAVA_1_3
static boolean	IS_JAVA_1_4
static boolean	IS_JAVA_1_5
static boolean	IS_OS_AIX
static boolean	IS_OS_HP_UX
static boolean	IS_OS_IRIX
static boolean	IS_OS_LINUX
static boolean	IS_OS_MAC
static boolean	IS_OS_MAC_OSX
static boolean	IS_OS_OS2
static boolean	IS_OS_SOLARIS
static boolean	IS_OS_SUN_OS
static boolean	IS_OS_UNIX
static boolean	IS_OS_WINDOWS
static boolean	IS_OS_WINDOWS_2000
static boolean	IS_OS_WINDOWS_95
static boolean	IS_OS_WINDOWS_98
static boolean	IS_OS_WINDOWS_ME
static boolean	IS_OS_WINDOWS_NT
static boolean	IS_OS_WINDOWS_XP
static String	JAVA_AWT_FONTS
static String	JAVA_AWT_GRAPHICSENV
static String	JAVA_AWT_HEADLESS
static String	JAVA_AWT_PRINTERJOB
static String	JAVA_CLASS_PATH
static String	JAVA_CLASS_VERSION
static String	JAVA_COMPILER
static String	JAVA_ENDORSED_DIRS
static String	JAVA_EXT_DIRS
static String	JAVA_HOME
static String	JAVA_IO_TMPDIR
static String	JAVA_LIBRARY_PATH
static String	JAVA_RUNTIME_NAME
static String	JAVA_RUNTIME_VERSION
static String	JAVA_SPECIFICATION_NAME
static String	JAVA_SPECIFICATION_VENDOR
static String	JAVA_SPECIFICATION_VERSION
static String	JAVA_UTIL_PREFS_PREFERENCES_FACTORY
static String	JAVA_VENDOR
static String	JAVA_VENDOR_URL
static String	JAVA_VERSION
static float	JAVA_VERSION_FLOAT
static int	JAVA_VERSION_INT
static String	JAVA_VERSION_TRIMMED
static String	JAVA_VM_INFO
static String	JAVA_VM_NAME
static String	JAVA_VM_SPECIFICATION_NAME
static String	JAVA_VM_SPECIFICATION_VENDOR
static String	JAVA_VM_SPECIFICATION_VERSION
static String	JAVA_VM_VENDOR
static String	JAVA_VM_VERSION
static String	LINE_SEPARATOR
static String	OS_ARCH
static String	OS_NAME
static String	OS_VERSION
static String	PATH_SEPARATOR
static String	USER_COUNTRY
static String	USER_DIR
static String	USER_HOME
static String	USER_LANGUAGE
static String	USER_NAME
static String	USER_TIMEZONE

构造器概要

构造器

构造器和说明
SystemUtil()

方法概要

限定符和类型	方法和说明
static File	getJavaHome()
static File	getJavaIoTmpDir()
static float	getJavaVersion() 已过时。
static File	getUserDir()
static File	getUserHome()
static boolean	isJavaAwtHeadless()
static boolean	isJavaVersionAtLeast(float requiredVersion)
static boolean	isJavaVersionAtLeast(int requiredVersion)

从类继承的方法 java.lang.Object

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

字段详细资料

AWT_TOOLKIT

public static final String AWT_TOOLKIT

FILE_ENCODING

public static final String FILE_ENCODING

FILE_SEPARATOR

public static final String FILE_SEPARATOR

JAVA_AWT_FONTS

public static final String JAVA_AWT_FONTS

JAVA_AWT_GRAPHICSENV

public static final String JAVA_AWT_GRAPHICSENV

JAVA_AWT_HEADLESS

public static final String JAVA_AWT_HEADLESS

JAVA_AWT_PRINTERJOB

public static final String JAVA_AWT_PRINTERJOB

JAVA_CLASS_PATH

public static final String JAVA_CLASS_PATH

JAVA_CLASS_VERSION

public static final String JAVA_CLASS_VERSION

JAVA_COMPILER

public static final String JAVA_COMPILER

JAVA_ENDORSED_DIRS

public static final String JAVA_ENDORSED_DIRS

JAVA_EXT_DIRS

public static final String JAVA_EXT_DIRS

JAVA_HOME

public static final String JAVA_HOME

JAVA_IO_TMPDIR

public static final String JAVA_IO_TMPDIR

JAVA_LIBRARY_PATH

public static final String JAVA_LIBRARY_PATH

JAVA_RUNTIME_NAME

public static final String JAVA_RUNTIME_NAME

JAVA_RUNTIME_VERSION

public static final String JAVA_RUNTIME_VERSION

JAVA_SPECIFICATION_NAME

public static final String JAVA_SPECIFICATION_NAME

JAVA_SPECIFICATION_VENDOR

public static final String JAVA_SPECIFICATION_VENDOR

JAVA_SPECIFICATION_VERSION

public static final String JAVA_SPECIFICATION_VERSION

JAVA_UTIL_PREFS_PREFERENCES_FACTORY

public static final String JAVA_UTIL_PREFS_PREFERENCES_FACTORY

JAVA_VENDOR

public static final String JAVA_VENDOR

JAVA_VENDOR_URL

public static final String JAVA_VENDOR_URL

JAVA_VERSION

public static final String JAVA_VERSION

JAVA_VM_INFO

public static final String JAVA_VM_INFO

JAVA_VM_NAME

public static final String JAVA_VM_NAME

JAVA_VM_SPECIFICATION_NAME

public static final String JAVA_VM_SPECIFICATION_NAME

JAVA_VM_SPECIFICATION_VENDOR

public static final String JAVA_VM_SPECIFICATION_VENDOR

JAVA_VM_SPECIFICATION_VERSION

public static final String JAVA_VM_SPECIFICATION_VERSION

JAVA_VM_VENDOR

public static final String JAVA_VM_VENDOR

JAVA_VM_VERSION

public static final String JAVA_VM_VERSION

LINE_SEPARATOR

public static final String LINE_SEPARATOR

OS_ARCH

public static final String OS_ARCH

OS_NAME

public static final String OS_NAME

OS_VERSION

public static final String OS_VERSION

PATH_SEPARATOR

public static final String PATH_SEPARATOR

USER_COUNTRY

public static final String USER_COUNTRY

USER_DIR

public static final String USER_DIR

USER_HOME

public static final String USER_HOME

USER_LANGUAGE

public static final String USER_LANGUAGE

USER_NAME

public static final String USER_NAME

USER_TIMEZONE

public static final String USER_TIMEZONE

JAVA_VERSION_TRIMMED

public static final String JAVA_VERSION_TRIMMED

JAVA_VERSION_FLOAT

public static final float JAVA_VERSION_FLOAT

JAVA_VERSION_INT

public static final int JAVA_VERSION_INT

IS_JAVA_1_1

public static final boolean IS_JAVA_1_1

IS_JAVA_1_2

public static final boolean IS_JAVA_1_2

IS_JAVA_1_3

public static final boolean IS_JAVA_1_3

IS_JAVA_1_4

public static final boolean IS_JAVA_1_4

IS_JAVA_1_5

public static final boolean IS_JAVA_1_5

IS_OS_AIX

public static final boolean IS_OS_AIX

IS_OS_HP_UX

public static final boolean IS_OS_HP_UX

IS_OS_IRIX

public static final boolean IS_OS_IRIX

IS_OS_LINUX

public static final boolean IS_OS_LINUX

IS_OS_MAC

public static final boolean IS_OS_MAC

IS_OS_MAC_OSX

public static final boolean IS_OS_MAC_OSX

IS_OS_OS2

public static final boolean IS_OS_OS2

IS_OS_SOLARIS

public static final boolean IS_OS_SOLARIS

IS_OS_SUN_OS

public static final boolean IS_OS_SUN_OS

IS_OS_UNIX

public static final boolean IS_OS_UNIX

IS_OS_WINDOWS

public static final boolean IS_OS_WINDOWS

IS_OS_WINDOWS_2000

public static final boolean IS_OS_WINDOWS_2000

IS_OS_WINDOWS_95

public static final boolean IS_OS_WINDOWS_95

IS_OS_WINDOWS_98

public static final boolean IS_OS_WINDOWS_98

IS_OS_WINDOWS_ME

public static final boolean IS_OS_WINDOWS_ME

IS_OS_WINDOWS_NT

public static final boolean IS_OS_WINDOWS_NT

IS_OS_WINDOWS_XP

public static final boolean IS_OS_WINDOWS_XP

构造器详细资料

SystemUtil

public SystemUtil()

方法详细资料

getJavaHome

public static File getJavaHome()

getJavaIoTmpDir

public static File getJavaIoTmpDir()

getJavaVersion

@Deprecated
public static float getJavaVersion()

已过时。

getUserDir

public static File getUserDir()

getUserHome

public static File getUserHome()

isJavaAwtHeadless

public static boolean isJavaAwtHeadless()

isJavaVersionAtLeast

public static boolean isJavaVersionAtLeast(float requiredVersion)

isJavaVersionAtLeast

public static boolean isJavaVersionAtLeast(int requiredVersion)