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Java Source Code / Java Documentation » Library » Apache common lang » org.apache.commons.lang

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.apache.commons.lang .SystemUtils

SystemUtils

public class SystemUtils (Code)

Helpers for java.lang.System.

If a system property cannot be read due to security restrictions, the corresponding field in this class will be set to null and a message will be written to System.err.

author:
   Based on code from Avalon Excalibur
author:
   Based on code from Lucene
author:
   Stephen Colebourne
author:
   Steve Downey
author:
   Gary Gregory
author:
   Michael Becke
author:
   Tetsuya Kaneuchi
author:
   Rafal Krupinski
author:
   Jason Gritman
since:
   1.0
version:
   $Id: SystemUtils.java 437554 2006-08-28 06:21:41Z bayard $

Field Summary
final public static String	AWT_TOOLKIT The `awt.toolkit` System Property. Holds a class name, on Windows XP this is `sun.awt.windows.WToolkit`. On platforms without a GUI, this value is `null`. Defaults to `null` if the runtime does not have security access to read this property or the property does not exist. This value is initialized when the class is loaded.
final public static String	FILE_ENCODING The `file.encoding` System Property. File encoding, such as `Cp1252`. Defaults to `null` if the runtime does not have security access to read this property or the property does not exist. This value is initialized when the class is loaded.
final public static String	FILE_SEPARATOR The `file.separator` System Property. File separator (`"/"` on UNIX). Defaults to `null` if the runtime does not have security access to read this property or the property does not exist. This value is initialized when the class is loaded.
final public static boolean	IS_JAVA_1_1
final public static boolean	IS_JAVA_1_2
final public static boolean	IS_JAVA_1_3
final public static boolean	IS_JAVA_1_4
final public static boolean	IS_JAVA_1_5
final public static boolean	IS_JAVA_1_6
final public static boolean	IS_OS_AIX
final public static boolean	IS_OS_HP_UX
final public static boolean	IS_OS_IRIX
final public static boolean	IS_OS_LINUX
final public static boolean	IS_OS_MAC
final public static boolean	IS_OS_MAC_OSX
final public static boolean	IS_OS_OS2
final public static boolean	IS_OS_SOLARIS
final public static boolean	IS_OS_SUN_OS
final public static boolean	IS_OS_UNIX
final public static boolean	IS_OS_WINDOWS
final public static boolean	IS_OS_WINDOWS_2000
final public static boolean	IS_OS_WINDOWS_95
final public static boolean	IS_OS_WINDOWS_98
final public static boolean	IS_OS_WINDOWS_ME
final public static boolean	IS_OS_WINDOWS_NT
final public static boolean	IS_OS_WINDOWS_XP
final public static String	JAVA_AWT_FONTS The `java.awt.fonts` System Property. Defaults to `null` if the runtime does not have security access to read this property or the property does not exist. This value is initialized when the class is loaded.
final public static String	JAVA_AWT_GRAPHICSENV The `java.awt.graphicsenv` System Property. Defaults to `null` if the runtime does not have security access to read this property or the property does not exist. This value is initialized when the class is loaded.
final public static String	JAVA_AWT_HEADLESS The `java.awt.headless` System Property. The value of this property is the String `"true"` or `"false"`.
final public static String	JAVA_AWT_PRINTERJOB The `java.awt.printerjob` System Property. Defaults to `null` if the runtime does not have security access to read this property or the property does not exist. This value is initialized when the class is loaded.
final public static String	JAVA_CLASS_PATH The `java.class.path` System Property.
final public static String	JAVA_CLASS_VERSION The `java.class.version` System Property. Java class format version number. Defaults to `null` if the runtime does not have security access to read this property or the property does not exist. This value is initialized when the class is loaded.
final public static String	JAVA_COMPILER The `java.compiler` System Property.
final public static String	JAVA_ENDORSED_DIRS The `java.endorsed.dirs` System Property.
final public static String	JAVA_EXT_DIRS The `java.ext.dirs` System Property.
final public static String	JAVA_HOME The `java.home` System Property.
final public static String	JAVA_IO_TMPDIR The `java.io.tmpdir` System Property.
final public static String	JAVA_LIBRARY_PATH The `java.library.path` System Property.
final public static String	JAVA_RUNTIME_NAME The `java.runtime.name` System Property.
final public static String	JAVA_RUNTIME_VERSION The `java.runtime.version` System Property.
final public static String	JAVA_SPECIFICATION_NAME The `java.specification.name` System Property.
final public static String	JAVA_SPECIFICATION_VENDOR The `java.specification.vendor` System Property.
final public static String	JAVA_SPECIFICATION_VERSION The `java.specification.version` System Property.
final public static String	JAVA_UTIL_PREFS_PREFERENCES_FACTORY The `java.util.prefs.PreferencesFactory` System Property.
final public static String	JAVA_VENDOR The `java.vendor` System Property.
final public static String	JAVA_VENDOR_URL The `java.vendor.url` System Property.
final public static String	JAVA_VERSION The `java.version` System Property.
final public static float	JAVA_VERSION_FLOAT
final public static int	JAVA_VERSION_INT
final public static String	JAVA_VERSION_TRIMMED
final public static String	JAVA_VM_INFO The `java.vm.info` System Property.
final public static String	JAVA_VM_NAME The `java.vm.name` System Property.
final public static String	JAVA_VM_SPECIFICATION_NAME The `java.vm.specification.name` System Property.
final public static String	JAVA_VM_SPECIFICATION_VENDOR The `java.vm.specification.vendor` System Property.
final public static String	JAVA_VM_SPECIFICATION_VERSION The `java.vm.specification.version` System Property.
final public static String	JAVA_VM_VENDOR The `java.vm.vendor` System Property.
final public static String	JAVA_VM_VERSION The `java.vm.version` System Property.
final public static String	LINE_SEPARATOR The `line.separator` System Property.
final public static String	OS_ARCH The `os.arch` System Property.
final public static String	OS_NAME The `os.name` System Property.
final public static String	OS_VERSION The `os.version` System Property.
final public static String	PATH_SEPARATOR The `path.separator` System Property.
final public static String	USER_COUNTRY The `user.country` or `user.region` System Property. User's country code, such as `GB`.
final public static String	USER_DIR The `user.dir` System Property.
final public static String	USER_HOME The `user.home` System Property.
final public static String	USER_LANGUAGE The `user.language` System Property.
final public static String	USER_NAME The `user.name` System Property.
final public static String	USER_TIMEZONE The `user.timezone` System Property.

Constructor Summary
public	SystemUtils() SystemUtils instances should NOT be constructed in standard programming.

Method Summary
public static File	getJavaHome()
public static File	getJavaIoTmpDir()
public static float	getJavaVersion()
public static File	getUserDir()
public static File	getUserHome()
public static boolean	isJavaAwtHeadless() Returns whether the SystemUtils.JAVA_AWT_HEADLESS value is `true`.
public static boolean	isJavaVersionAtLeast(float requiredVersion)
public static boolean	isJavaVersionAtLeast(int requiredVersion)

Field Detail

AWT_TOOLKIT

final public static String AWT_TOOLKIT(Code)

The awt.toolkit System Property.

Holds a class name, on Windows XP this is sun.awt.windows.WToolkit.

On platforms without a GUI, this value is null.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

This value is initialized when the class is loaded. If System.setProperty(StringString) or System.setProperties(java.util.Properties) is called after this class is loaded, the value will be out of sync with that System property.

since:
2.1

FILE_ENCODING

final public static String FILE_ENCODING(Code)

The file.encoding System Property.

File encoding, such as Cp1252.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
2.0
since:
Java 1.2

FILE_SEPARATOR

final public static String FILE_SEPARATOR(Code)

The file.separator System Property. File separator ("/" on UNIX).

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

IS_JAVA_1_1

final public static boolean IS_JAVA_1_1(Code)

Is true if this is Java version 1.1 (also 1.1.x versions).

The field will return false if SystemUtils.JAVA_VERSION is null.

IS_JAVA_1_2

final public static boolean IS_JAVA_1_2(Code)

Is true if this is Java version 1.2 (also 1.2.x versions).

The field will return false if SystemUtils.JAVA_VERSION is null.

IS_JAVA_1_3

final public static boolean IS_JAVA_1_3(Code)

Is true if this is Java version 1.3 (also 1.3.x versions).

The field will return false if SystemUtils.JAVA_VERSION is null.

IS_JAVA_1_4

final public static boolean IS_JAVA_1_4(Code)

Is true if this is Java version 1.4 (also 1.4.x versions).

The field will return false if SystemUtils.JAVA_VERSION is null.

IS_JAVA_1_5

final public static boolean IS_JAVA_1_5(Code)

Is true if this is Java version 1.5 (also 1.5.x versions).

The field will return false if SystemUtils.JAVA_VERSION is null.

IS_JAVA_1_6

final public static boolean IS_JAVA_1_6(Code)

Is true if this is Java version 1.6 (also 1.6.x versions).

The field will return false if SystemUtils.JAVA_VERSION is null.

IS_OS_AIX

final public static boolean IS_OS_AIX(Code)

Is true if this is AIX.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_HP_UX

final public static boolean IS_OS_HP_UX(Code)

Is true if this is HP-UX.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_IRIX

final public static boolean IS_OS_IRIX(Code)

Is true if this is Irix.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_LINUX

final public static boolean IS_OS_LINUX(Code)

Is true if this is Linux.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_MAC

final public static boolean IS_OS_MAC(Code)

Is true if this is Mac.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_MAC_OSX

final public static boolean IS_OS_MAC_OSX(Code)

Is true if this is Mac.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_OS2

final public static boolean IS_OS_OS2(Code)

Is true if this is OS/2.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_SOLARIS

final public static boolean IS_OS_SOLARIS(Code)

Is true if this is Solaris.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_SUN_OS

final public static boolean IS_OS_SUN_OS(Code)

Is true if this is SunOS.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_UNIX

final public static boolean IS_OS_UNIX(Code)

Is true if this is a POSIX compilant system, as in any of AIX, HP-UX, Irix, Linux, MacOSX, Solaris or SUN OS.

The field will return false if OS_NAME is null.

since:
2.1

IS_OS_WINDOWS

final public static boolean IS_OS_WINDOWS(Code)

Is true if this is Windows.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_WINDOWS_2000

final public static boolean IS_OS_WINDOWS_2000(Code)

Is true if this is Windows 2000.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_WINDOWS_95

final public static boolean IS_OS_WINDOWS_95(Code)

Is true if this is Windows 95.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_WINDOWS_98

final public static boolean IS_OS_WINDOWS_98(Code)

Is true if this is Windows 98.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_WINDOWS_ME

final public static boolean IS_OS_WINDOWS_ME(Code)

Is true if this is Windows ME.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_WINDOWS_NT

final public static boolean IS_OS_WINDOWS_NT(Code)

Is true if this is Windows NT.

The field will return false if OS_NAME is null.

since:
2.0

IS_OS_WINDOWS_XP

final public static boolean IS_OS_WINDOWS_XP(Code)

Is true if this is Windows XP.

The field will return false if OS_NAME is null.

since:
2.0

JAVA_AWT_FONTS

final public static String JAVA_AWT_FONTS(Code)

The java.awt.fonts System Property.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
2.1

JAVA_AWT_GRAPHICSENV

final public static String JAVA_AWT_GRAPHICSENV(Code)

The java.awt.graphicsenv System Property.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
2.1

JAVA_AWT_HEADLESS

final public static String JAVA_AWT_HEADLESS(Code)

The java.awt.headless System Property. The value of this property is the String "true" or "false".

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

See Also:   SystemUtils.isJavaAwtHeadless()
since:
   2.1
since:
   Java 1.4

JAVA_AWT_PRINTERJOB

final public static String JAVA_AWT_PRINTERJOB(Code)

The java.awt.printerjob System Property.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
2.1

JAVA_CLASS_PATH

final public static String JAVA_CLASS_PATH(Code)

The java.class.path System Property. Java class path.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

JAVA_CLASS_VERSION

final public static String JAVA_CLASS_VERSION(Code)

The java.class.version System Property. Java class format version number.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

JAVA_COMPILER

final public static String JAVA_COMPILER(Code)

The java.compiler System Property. Name of JIT compiler to use. First in JDK version 1.2. Not used in Sun JDKs after 1.2.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.2. Not used in Sun versions after 1.2.

JAVA_ENDORSED_DIRS

final public static String JAVA_ENDORSED_DIRS(Code)

The java.endorsed.dirs System Property. Path of endorsed directory or directories.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.4

JAVA_EXT_DIRS

final public static String JAVA_EXT_DIRS(Code)

The java.ext.dirs System Property. Path of extension directory or directories.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.3

JAVA_HOME

final public static String JAVA_HOME(Code)

The java.home System Property. Java installation directory.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

JAVA_IO_TMPDIR

final public static String JAVA_IO_TMPDIR(Code)

The java.io.tmpdir System Property. Default temp file path.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.2

JAVA_LIBRARY_PATH

final public static String JAVA_LIBRARY_PATH(Code)

The java.library.path System Property. List of paths to search when loading libraries.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.2

JAVA_RUNTIME_NAME

final public static String JAVA_RUNTIME_NAME(Code)

The java.runtime.name System Property. Java Runtime Environment name.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
2.0
since:
Java 1.3

JAVA_RUNTIME_VERSION

final public static String JAVA_RUNTIME_VERSION(Code)

The java.runtime.version System Property. Java Runtime Environment version.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
2.0
since:
Java 1.3

JAVA_SPECIFICATION_NAME

final public static String JAVA_SPECIFICATION_NAME(Code)

The java.specification.name System Property. Java Runtime Environment specification name.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.2

JAVA_SPECIFICATION_VENDOR

final public static String JAVA_SPECIFICATION_VENDOR(Code)

The java.specification.vendor System Property. Java Runtime Environment specification vendor.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.2

JAVA_SPECIFICATION_VERSION

final public static String JAVA_SPECIFICATION_VERSION(Code)

The java.specification.version System Property. Java Runtime Environment specification version.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.3

JAVA_UTIL_PREFS_PREFERENCES_FACTORY

final public static String JAVA_UTIL_PREFS_PREFERENCES_FACTORY(Code)

The java.util.prefs.PreferencesFactory System Property. A class name.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
2.1
since:
Java 1.4

JAVA_VENDOR

final public static String JAVA_VENDOR(Code)

The java.vendor System Property. Java vendor-specific string.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

JAVA_VENDOR_URL

final public static String JAVA_VENDOR_URL(Code)

The java.vendor.url System Property. Java vendor URL.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

JAVA_VERSION

final public static String JAVA_VERSION(Code)

The java.version System Property. Java version number.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

JAVA_VERSION_FLOAT

final public static float JAVA_VERSION_FLOAT(Code)

Gets the Java version as a float.

Example return values:

1.2f for JDK 1.2
1.31f for JDK 1.3.1

The field will return zero if SystemUtils.JAVA_VERSION is null.

since:
2.0

JAVA_VERSION_INT

final public static int JAVA_VERSION_INT(Code)

Gets the Java version as an int.

Example return values:

120 for JDK 1.2
131 for JDK 1.3.1

The field will return zero if SystemUtils.JAVA_VERSION is null.

since:
2.0

JAVA_VERSION_TRIMMED

final public static String JAVA_VERSION_TRIMMED(Code)

Gets the Java version as a String trimming leading letters.

The field will return null if SystemUtils.JAVA_VERSION is null.

since:
2.1

JAVA_VM_INFO

final public static String JAVA_VM_INFO(Code)

The java.vm.info System Property. Java Virtual Machine implementation info.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
2.0
since:
Java 1.2

JAVA_VM_NAME

final public static String JAVA_VM_NAME(Code)

The java.vm.name System Property. Java Virtual Machine implementation name.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.2

JAVA_VM_SPECIFICATION_NAME

final public static String JAVA_VM_SPECIFICATION_NAME(Code)

The java.vm.specification.name System Property. Java Virtual Machine specification name.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.2

JAVA_VM_SPECIFICATION_VENDOR

final public static String JAVA_VM_SPECIFICATION_VENDOR(Code)

The java.vm.specification.vendor System Property. Java Virtual Machine specification vendor.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.2

JAVA_VM_SPECIFICATION_VERSION

final public static String JAVA_VM_SPECIFICATION_VERSION(Code)

The java.vm.specification.version System Property. Java Virtual Machine specification version.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.2

JAVA_VM_VENDOR

final public static String JAVA_VM_VENDOR(Code)

The java.vm.vendor System Property. Java Virtual Machine implementation vendor.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.2

JAVA_VM_VERSION

final public static String JAVA_VM_VERSION(Code)

The java.vm.version System Property. Java Virtual Machine implementation version.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.2

LINE_SEPARATOR

final public static String LINE_SEPARATOR(Code)

The line.separator System Property. Line separator ("\n" on UNIX).

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

OS_ARCH

final public static String OS_ARCH(Code)

The os.arch System Property. Operating system architecture.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

OS_NAME

final public static String OS_NAME(Code)

The os.name System Property. Operating system name.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

OS_VERSION

final public static String OS_VERSION(Code)

The os.version System Property. Operating system version.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

PATH_SEPARATOR

final public static String PATH_SEPARATOR(Code)

The path.separator System Property. Path separator (":" on UNIX).

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

USER_COUNTRY

final public static String USER_COUNTRY(Code)

The user.country or user.region System Property. User's country code, such as GB. First in JDK version 1.2 as user.region. Renamed to user.country in 1.4

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
2.0
since:
Java 1.2

USER_DIR

final public static String USER_DIR(Code)

The user.dir System Property. User's current working directory.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

USER_HOME

final public static String USER_HOME(Code)

The user.home System Property. User's home directory.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

USER_LANGUAGE

final public static String USER_LANGUAGE(Code)

The user.language System Property. User's language code, such as "en".

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
2.0
since:
Java 1.2

USER_NAME

final public static String USER_NAME(Code)

The user.name System Property. User's account name.

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
Java 1.1

USER_TIMEZONE

final public static String USER_TIMEZONE(Code)

The user.timezone System Property. For example: "America/Los_Angeles".

Defaults to null if the runtime does not have security access to read this property or the property does not exist.

since:
2.1

Constructor Detail

SystemUtils

public SystemUtils()(Code)

SystemUtils instances should NOT be constructed in standard programming. Instead, the class should be used as SystemUtils.FILE_SEPARATOR.

This constructor is public to permit tools that require a JavaBean instance to operate.

Method Detail

getJavaHome
public static File getJavaHome()(Code)
	Gets the Java home directory as a `File`. a directory throws: SecurityException - if a security manager exists and its `checkPropertyAccess` method doesn't allowaccess to the specified system property. See Also: System.getProperty(String) since: 2.1

getJavaIoTmpDir
public static File getJavaIoTmpDir()(Code)
	Gets the Java IO temporary directory as a `File`. a directory throws: SecurityException - if a security manager exists and its `checkPropertyAccess` method doesn't allowaccess to the specified system property. See Also: System.getProperty(String) since: 2.1

getJavaVersion

public static float getJavaVersion()(Code)

Gets the Java version number as a float.

Example return values:

1.2f for JDK 1.2
1.31f for JDK 1.3.1

the version, for example 1.31f for JDK 1.3.1SystemUtils.JAVA_VERSION_FLOAT

getUserDir
public static File getUserDir()(Code)
	Gets the user directory as a `File`. a directory throws: SecurityException - if a security manager exists and its `checkPropertyAccess` method doesn't allowaccess to the specified system property. See Also: System.getProperty(String) since: 2.1

getUserHome
public static File getUserHome()(Code)
	Gets the user home directory as a `File`. a directory throws: SecurityException - if a security manager exists and its `checkPropertyAccess` method doesn't allowaccess to the specified system property. See Also: System.getProperty(String) since: 2.1

isJavaAwtHeadless
public static boolean isJavaAwtHeadless()(Code)
	Returns whether the SystemUtils.JAVA_AWT_HEADLESS value is `true`. `true` if `JAVA_AWT_HEADLESS` is `"true"`,`false` otherwise. See Also: SystemUtils.JAVA_AWT_HEADLESS since: 2.1 since: Java 1.4

isJavaVersionAtLeast

public static boolean isJavaVersionAtLeast(float requiredVersion)(Code)

Is the Java version at least the requested version.

Example input:

1.2f to test for JDK 1.2
1.31f to test for JDK 1.3.1

Parameters:
requiredVersion - the required version, for example 1.31f true if the actual version is equal or greaterthan the required version

isJavaVersionAtLeast

public static boolean isJavaVersionAtLeast(int requiredVersion)(Code)

Is the Java version at least the requested version.

Example input:

120 to test for JDK 1.2 or greater
131 to test for JDK 1.3.1 or greater

Parameters:
requiredVersion - the required version, for example 131 true if the actual version is equal or greaterthan the required version
since:
2.0

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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