jodd.util

Class SystemUtil

java.lang.Object

jodd.util.SystemUtil

public class SystemUtil
extends java.lang.Object

System utilities.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	FILE_ENCODING
static java.lang.String	HTTP_PROXY_HOST
static java.lang.String	HTTP_PROXY_PASSWORD
static java.lang.String	HTTP_PROXY_PORT
static java.lang.String	HTTP_PROXY_USER
static java.lang.String	JAVA_CLASSPATH
static java.lang.String	JAVA_HOME
static java.lang.String	JAVA_SPECIFICATION_VERSION
static java.lang.String	JAVA_VENDOR
static java.lang.String	JAVA_VERSION
static java.lang.String	OS_NAME
static java.lang.String	OS_VERSION
static java.lang.String	PATH_SEPARATOR
static java.lang.String	SUN_BOOT_CLASS_PATH
static java.lang.String	TEMP_DIR
static java.lang.String	USER_DIR
static java.lang.String	USER_HOME
static java.lang.String	USER_NAME

Constructor Summary

Constructors

Constructor and Description
SystemUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.String	fileEncoding() Returns file encoding.
static java.lang.String	get(java.lang.String key, java.lang.String def) Get system property.
static java.lang.String	getSunBoothClassPath() Returns bootstrap class path.
static boolean	hasUnsafe() Returns true if system has the Unsafe.
static boolean	isAtLeastJavaVersion(int version) Checks if the currently running JVM is at least compliant with provided JDK version.
static boolean	isHostAix() Returns true if host is AIX.
static boolean	isHostAndroid() Returns true if system is android.
static boolean	isHostLinux() Returns true if host is Linux.
static boolean	isHostMac() Returns true if host is Mac.
static boolean	isHostSolaris() Returns true if host is Solaris.
static boolean	isHostUnix() Returns true if host is a general unix.
static boolean	isHostWindows() Returns true if host is Windows.
static boolean	isJavaVersion(int version) Checks if the currently running JVM is equal to provided version.
static java.lang.String	javaHome() Returns JAVA_HOME which is not equals to "java.home" property since it points to JAVA_HOME/jre folder.
static java.lang.String	javaJreHome() Returns JRE home.
static java.lang.String	javaSpecificationVersion() Retrieves the version of the currently running JVM.
static java.lang.String	javaVendor() Returns Java vendor.
static java.lang.String	javaVersion() Returns Java version string, as specified in system property.
static int	javaVersionNumber() Returns detected java version.
static java.lang.String[]	jrePackages() Returns list of packages, build into runtime jars.
static java.lang.String	osName() Returns OS name.
static java.lang.String	osVersion() Returns OS version.
static java.lang.String	pathSeparator() Returns path separator.
static void	setHttpProxy(java.lang.String host, java.lang.String port) Sets HTTP proxy settings.
static void	setHttpProxy(java.lang.String host, java.lang.String port, java.lang.String username, java.lang.String password) Sets HTTP proxy settings.
static java.lang.String	systemClassPath() Returns system class path.
static java.lang.String	tempDir() Returns system temp dir.
static java.lang.String	userDir() Returns current working folder.
static java.lang.String	userHome() Returns user home folder.
static java.lang.String	userName() Returns current user.
static java.lang.String	workingFolder() Returns current working folder.

Methods inherited from class java.lang.Object

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

Field Detail

USER_DIR

public static final java.lang.String USER_DIR

See Also:

Constant Field Values

USER_NAME

public static final java.lang.String USER_NAME

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Constant Field Values

USER_HOME

public static final java.lang.String USER_HOME

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Constant Field Values

JAVA_HOME

public static final java.lang.String JAVA_HOME

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Constant Field Values

TEMP_DIR

public static final java.lang.String TEMP_DIR

See Also:

Constant Field Values

OS_NAME

public static final java.lang.String OS_NAME

See Also:

Constant Field Values

OS_VERSION

public static final java.lang.String OS_VERSION

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Constant Field Values

JAVA_VERSION

public static final java.lang.String JAVA_VERSION

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Constant Field Values

JAVA_SPECIFICATION_VERSION

public static final java.lang.String JAVA_SPECIFICATION_VERSION

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Constant Field Values

JAVA_VENDOR

public static final java.lang.String JAVA_VENDOR

See Also:

Constant Field Values

JAVA_CLASSPATH

public static final java.lang.String JAVA_CLASSPATH

See Also:

Constant Field Values

PATH_SEPARATOR

public static final java.lang.String PATH_SEPARATOR

See Also:

Constant Field Values

HTTP_PROXY_HOST

public static final java.lang.String HTTP_PROXY_HOST

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Constant Field Values

HTTP_PROXY_PORT

public static final java.lang.String HTTP_PROXY_PORT

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Constant Field Values

HTTP_PROXY_USER

public static final java.lang.String HTTP_PROXY_USER

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Constant Field Values

HTTP_PROXY_PASSWORD

public static final java.lang.String HTTP_PROXY_PASSWORD

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Constant Field Values

FILE_ENCODING

public static final java.lang.String FILE_ENCODING

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Constant Field Values

SUN_BOOT_CLASS_PATH

public static final java.lang.String SUN_BOOT_CLASS_PATH

See Also:

Constant Field Values

Constructor Detail

SystemUtil

public SystemUtil()

Method Detail

get

public static java.lang.String get(java.lang.String key,
                   java.lang.String def)

Get system property. If key is not available, returns the default value.

hasUnsafe

public static boolean hasUnsafe()

Returns true if system has the Unsafe.

isHostAndroid

public static boolean isHostAndroid()

Returns true if system is android.

jrePackages

public static java.lang.String[] jrePackages()

Returns list of packages, build into runtime jars.

userDir

public static java.lang.String userDir()

Returns current working folder.

userName

public static java.lang.String userName()

Returns current user.

userHome

public static java.lang.String userHome()

Returns user home folder.

workingFolder

public static java.lang.String workingFolder()

Returns current working folder. This is NOT a user folder.

javaJreHome

public static java.lang.String javaJreHome()

Returns JRE home.

javaHome

public static java.lang.String javaHome()

Returns JAVA_HOME which is not equals to "java.home" property since it points to JAVA_HOME/jre folder.

tempDir

public static java.lang.String tempDir()

Returns system temp dir.

osName

public static java.lang.String osName()

Returns OS name.

osVersion

public static java.lang.String osVersion()

Returns OS version.

javaVersion

public static java.lang.String javaVersion()

Returns Java version string, as specified in system property. Returned string contain major version, minor version and revision.

See Also:

javaSpecificationVersion()

javaSpecificationVersion

public static java.lang.String javaSpecificationVersion()

Retrieves the version of the currently running JVM.

javaVersionNumber

public static int javaVersionNumber()

Returns detected java version. Returned number is a number 10x the major.minor, e.g. Java1.5 returns 15.

javaVendor

public static java.lang.String javaVendor()

Returns Java vendor.

isAtLeastJavaVersion

public static boolean isAtLeastJavaVersion(int version)

Checks if the currently running JVM is at least compliant with provided JDK version.

Parameters:

version - java version multiplied by 10, e.g. 1.5 is 15

isJavaVersion

public static boolean isJavaVersion(int version)

Checks if the currently running JVM is equal to provided version.

Parameters:

version - java version, multiplied by 10, e.g. 1.5 is 15.

systemClassPath

public static java.lang.String systemClassPath()

Returns system class path.

pathSeparator

public static java.lang.String pathSeparator()

Returns path separator.

fileEncoding

public static java.lang.String fileEncoding()

Returns file encoding.

isHostWindows

public static boolean isHostWindows()

Returns true if host is Windows.

isHostLinux

public static boolean isHostLinux()

Returns true if host is Linux.

isHostUnix

public static boolean isHostUnix()

Returns true if host is a general unix.

isHostMac

public static boolean isHostMac()

Returns true if host is Mac.

isHostSolaris

public static boolean isHostSolaris()

Returns true if host is Solaris.

isHostAix

public static boolean isHostAix()

Returns true if host is AIX.

getSunBoothClassPath

public static java.lang.String getSunBoothClassPath()

Returns bootstrap class path.

setHttpProxy

public static void setHttpProxy(java.lang.String host,
                java.lang.String port,
                java.lang.String username,
                java.lang.String password)

Sets HTTP proxy settings.

setHttpProxy

public static void setHttpProxy(java.lang.String host,
                java.lang.String port)

Sets HTTP proxy settings.