Package org.apache.commons.lang3

Class SystemProperties

  • public final class SystemProperties
extends java.lang.Object
    Accesses current system property names and values.
    Since:
    3.13.0

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.lang.String AWT_TOOLKIT
      The System property name "awt.toolkit".
      static java.lang.String FILE_ENCODING
      The System property name "file.encoding".
      static java.lang.String FILE_SEPARATOR
      The System property name "file.separator".
      static java.lang.String JAVA_AWT_FONTS
      The System property name "java.awt.fonts".
      static java.lang.String JAVA_AWT_GRAPHICSENV
      The System property name "java.awt.graphicsenv".
      static java.lang.String JAVA_AWT_HEADLESS
      The System property name "java.awt.headless".
      static java.lang.String JAVA_AWT_PRINTERJOB
      The System property name "java.awt.printerjob".
      static java.lang.String JAVA_CLASS_PATH
      The System property name "java.class.path".
      static java.lang.String JAVA_CLASS_VERSION
      The System property name "java.class.version".
      static java.lang.String JAVA_COMPILER
      The System property name "java.compiler".
      static java.lang.String JAVA_ENDORSED_DIRS
      The System property name "java.endorsed.dirs".
      static java.lang.String JAVA_EXT_DIRS
      The System property name "java.ext.dirs".
      static java.lang.String JAVA_HOME
      The System property name "java.home".
      static java.lang.String JAVA_IO_TMPDIR
      The System property name "java.io.tmpdir".
      static java.lang.String JAVA_LIBRARY_PATH
      The System property name "java.library.path".
      static java.lang.String JAVA_LOCALE_PROVIDERS
      The System property name "java.locale.providers".
      static java.lang.String JAVA_RUNTIME_NAME
      The System property name "java.runtime.name".
      static java.lang.String JAVA_RUNTIME_VERSION
      The System property name "java.runtime.version".
      static java.lang.String JAVA_SPECIFICATION_NAME
      The System property name "java.specification.name".
      static java.lang.String JAVA_SPECIFICATION_VENDOR
      The System property name "java.specification.vendor".
      static java.lang.String JAVA_SPECIFICATION_VERSION
      The System property name "java.specification.version".
      static java.lang.String JAVA_UTIL_PREFS_PREFERENCES_FACTORY
      The System property name "java.util.prefs.PreferencesFactory".
      static java.lang.String JAVA_VENDOR
      The System property name "java.vendor".
      static java.lang.String JAVA_VENDOR_URL
      The System property name "java.vendor.url".
      static java.lang.String JAVA_VERSION
      The System property name "java.version".
      static java.lang.String JAVA_VM_INFO
      The System property name "java.vm.info".
      static java.lang.String JAVA_VM_NAME
      The System property name "java.vm.name".
      static java.lang.String JAVA_VM_SPECIFICATION_NAME
      The System property name "java.vm.specification.name".
      static java.lang.String JAVA_VM_SPECIFICATION_VENDOR
      The System property name "java.vm.specification.vendor".
      static java.lang.String JAVA_VM_SPECIFICATION_VERSION
      The System property name "java.vm.specification.version".
      static java.lang.String JAVA_VM_VENDOR
      The System property name "java.vm.vendor".
      static java.lang.String JAVA_VM_VERSION
      The System property name "java.vm.version".
      static java.lang.String LINE_SEPARATOR
      The System property name "line.separator".
      static java.lang.String OS_ARCH
      The System property name "os.arch".
      static java.lang.String OS_NAME
      The System property name "os.name".
      static java.lang.String OS_VERSION
      The System property name "os.version".
      static java.lang.String PATH_SEPARATOR
      The System property name "path.separator".
      static java.lang.String USER_COUNTRY
      The System property name "user.country".
      static java.lang.String USER_DIR
      The System property name "user.dir".
      static java.lang.String USER_HOME
      The System property name "user.home".
      static java.lang.String USER_LANGUAGE
      The System property name "user.language".
      static java.lang.String USER_NAME
      The System property name "user.name".
      static java.lang.String USER_REGION
      The System property name "user.region".
      static java.lang.String USER_TIMEZONE
      The System property name "user.timezone".

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.String getAwtToolkit()
      Gets the current value from the system properties map.
      static boolean getBoolean​(java.lang.String key, java.util.function.BooleanSupplier defaultIfAbsent)
      Gets the current value for the property named key as an boolean.
      static java.lang.String getFileEncoding()
      Gets the current value from the system properties map.
      static java.lang.String getFileSeparator()
      Gets the current value from the system properties map.
      static int getInt​(java.lang.String key, java.util.function.IntSupplier defaultIfAbsent)
      Gets the current value for the property named key as an int.
      static java.lang.String getJavaAwtFonts()
      Gets the current value from the system properties map.
      static java.lang.String getJavaAwtGraphicsenv()
      Gets the current value from the system properties map.
      static java.lang.String getJavaAwtHeadless()
      Gets the current value from the system properties map.
      static java.lang.String getJavaAwtPrinterjob()
      Gets the current value from the system properties map.
      static java.lang.String getJavaClassPath()
      Gets the current value from the system properties map.
      static java.lang.String getJavaClassVersion()
      Gets the current value from the system properties map.
      static java.lang.String getJavaCompiler()
      Gets the current value from the system properties map.
      static java.lang.String getJavaEndorsedDirs()
      Gets the current value from the system properties map.
      static java.lang.String getJavaExtDirs()
      Gets the current value from the system properties map.
      static java.lang.String getJavaHome()
      Gets the current value from the system properties map.
      static java.lang.String getJavaIoTmpdir()
      Gets the current value from the system properties map.
      static java.lang.String getJavaLibraryPath()
      Gets the current value from the system properties map.
      static java.lang.String getJavaLocaleProviders()
      Gets the current value from the system properties map.
      static java.lang.String getJavaRuntimeName()
      Gets the current value from the system properties map.
      static java.lang.String getJavaRuntimeVersion()
      Gets the current value from the system properties map.
      static java.lang.String getJavaSpecificationName()
      Gets the current value from the system properties map.
      static java.lang.String getJavaSpecificationVendor()
      Gets the current value from the system properties map.
      static java.lang.String getJavaSpecificationVersion()
      Gets the current value from the system properties map.
      static java.lang.String getJavaUtilPrefsPreferencesFactory()
      Gets the current value from the system properties map.
      static java.lang.String getJavaVendor()
      Gets the current value from the system properties map.
      static java.lang.String getJavaVendorUrl()
      Gets the current value from the system properties map.
      static java.lang.String getJavaVersion()
      Gets the current value from the system properties map.
      static java.lang.String getJavaVmInfo()
      Gets the current value from the system properties map.
      static java.lang.String getJavaVmName()
      Gets the current value from the system properties map.
      static java.lang.String getJavaVmSpecificationName()
      Gets the current value from the system properties map.
      static java.lang.String getJavaVmSpecificationVendor()
      Gets the current value from the system properties map.
      static java.lang.String getJavaVmSpecificationVersion()
      Gets the current value from the system properties map.
      static java.lang.String getJavaVmVendor()
      Gets the current value from the system properties map.
      static java.lang.String getJavaVmVersion()
      Gets the current value from the system properties map.
      static java.lang.String getLineSeparator()
      Gets the current value from the system properties map.
      static long getLong​(java.lang.String key, java.util.function.LongSupplier defaultIfAbsent)
      Gets the current value for the property named key as a long.
      static java.lang.String getOsArch()
      Gets the current value from the system properties map.
      static java.lang.String getOsName()
      Gets the current value from the system properties map.
      static java.lang.String getOsVersion()
      Gets the current value from the system properties map.
      static java.lang.String getPathSeparator()
      Gets the current value from the system properties map.
      static java.lang.String getProperty​(java.lang.String property)
      Gets a System property, defaulting to null if the property cannot be read.
      static java.lang.String getUserCountry()
      Gets the current value from the system properties map.
      static java.lang.String getUserDir()
      Gets the current value from the system properties map.
      static java.lang.String getUserHome()
      Gets the current value from the system properties map.
      static java.lang.String getUserLanguage()
      Gets the current value from the system properties map.
      static java.lang.String getUserName()
      Gets the current value from the system properties map.
      static java.lang.String getUserTimezone()
      Gets the current value from the system properties map.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • AWT_TOOLKIT

        public static final java.lang.String AWT_TOOLKIT
        The System property name "awt.toolkit".
        See Also:
        Constant Field Values

      • FILE_ENCODING

        public static final java.lang.String FILE_ENCODING
        The System property name "file.encoding".
        See Also:
        Constant Field Values

      • FILE_SEPARATOR

        public static final java.lang.String FILE_SEPARATOR
        The System property name "file.separator".
        See Also:
        Constant Field Values

      • JAVA_AWT_FONTS

        public static final java.lang.String JAVA_AWT_FONTS
        The System property name "java.awt.fonts".
        See Also:
        Constant Field Values

      • JAVA_AWT_GRAPHICSENV

        public static final java.lang.String JAVA_AWT_GRAPHICSENV
        The System property name "java.awt.graphicsenv".
        See Also:
        Constant Field Values

      • JAVA_AWT_HEADLESS

        public static final java.lang.String JAVA_AWT_HEADLESS
        The System property name "java.awt.headless".
        See Also:
        Constant Field Values

      • JAVA_AWT_PRINTERJOB

        public static final java.lang.String JAVA_AWT_PRINTERJOB
        The System property name "java.awt.printerjob".
        See Also:
        Constant Field Values

      • JAVA_CLASS_PATH

        public static final java.lang.String JAVA_CLASS_PATH
        The System property name "java.class.path".
        See Also:
        Constant Field Values

      • JAVA_CLASS_VERSION

        public static final java.lang.String JAVA_CLASS_VERSION
        The System property name "java.class.version".
        See Also:
        Constant Field Values

      • JAVA_COMPILER

        public static final java.lang.String JAVA_COMPILER
        The System property name "java.compiler".
        See Also:
        Constant Field Values

      • JAVA_ENDORSED_DIRS

        public static final java.lang.String JAVA_ENDORSED_DIRS
        The System property name "java.endorsed.dirs".
        See Also:
        Constant Field Values

      • JAVA_EXT_DIRS

        public static final java.lang.String JAVA_EXT_DIRS
        The System property name "java.ext.dirs".
        See Also:
        Constant Field Values

      • JAVA_HOME

        public static final java.lang.String JAVA_HOME
        The System property name "java.home".
        See Also:
        Constant Field Values

      • JAVA_IO_TMPDIR

        public static final java.lang.String JAVA_IO_TMPDIR
        The System property name "java.io.tmpdir".
        See Also:
        Constant Field Values

      • JAVA_LIBRARY_PATH

        public static final java.lang.String JAVA_LIBRARY_PATH
        The System property name "java.library.path".
        See Also:
        Constant Field Values

      • JAVA_LOCALE_PROVIDERS

        public static final java.lang.String JAVA_LOCALE_PROVIDERS
        The System property name "java.locale.providers".
        See Also:
        Constant Field Values

      • JAVA_RUNTIME_NAME

        public static final java.lang.String JAVA_RUNTIME_NAME
        The System property name "java.runtime.name".
        See Also:
        Constant Field Values

      • JAVA_RUNTIME_VERSION

        public static final java.lang.String JAVA_RUNTIME_VERSION
        The System property name "java.runtime.version".
        See Also:
        Constant Field Values

      • JAVA_SPECIFICATION_NAME

        public static final java.lang.String JAVA_SPECIFICATION_NAME
        The System property name "java.specification.name".
        See Also:
        Constant Field Values

      • JAVA_SPECIFICATION_VENDOR

        public static final java.lang.String JAVA_SPECIFICATION_VENDOR
        The System property name "java.specification.vendor".
        See Also:
        Constant Field Values

      • JAVA_SPECIFICATION_VERSION

        public static final java.lang.String JAVA_SPECIFICATION_VERSION
        The System property name "java.specification.version".
        See Also:
        Constant Field Values

      • JAVA_UTIL_PREFS_PREFERENCES_FACTORY

        public static final java.lang.String JAVA_UTIL_PREFS_PREFERENCES_FACTORY
        The System property name "java.util.prefs.PreferencesFactory".
        See Also:
        Constant Field Values

      • JAVA_VENDOR

        public static final java.lang.String JAVA_VENDOR
        The System property name "java.vendor".
        See Also:
        Constant Field Values

      • JAVA_VENDOR_URL

        public static final java.lang.String JAVA_VENDOR_URL
        The System property name "java.vendor.url".
        See Also:
        Constant Field Values

      • JAVA_VERSION

        public static final java.lang.String JAVA_VERSION
        The System property name "java.version".
        See Also:
        Constant Field Values

      • JAVA_VM_INFO

        public static final java.lang.String JAVA_VM_INFO
        The System property name "java.vm.info".
        See Also:
        Constant Field Values

      • JAVA_VM_NAME

        public static final java.lang.String JAVA_VM_NAME
        The System property name "java.vm.name".
        See Also:
        Constant Field Values

      • JAVA_VM_SPECIFICATION_NAME

        public static final java.lang.String JAVA_VM_SPECIFICATION_NAME
        The System property name "java.vm.specification.name".
        See Also:
        Constant Field Values

      • JAVA_VM_SPECIFICATION_VENDOR

        public static final java.lang.String JAVA_VM_SPECIFICATION_VENDOR
        The System property name "java.vm.specification.vendor".
        See Also:
        Constant Field Values

      • JAVA_VM_SPECIFICATION_VERSION

        public static final java.lang.String JAVA_VM_SPECIFICATION_VERSION
        The System property name "java.vm.specification.version".
        See Also:
        Constant Field Values

      • JAVA_VM_VENDOR

        public static final java.lang.String JAVA_VM_VENDOR
        The System property name "java.vm.vendor".
        See Also:
        Constant Field Values

      • JAVA_VM_VERSION

        public static final java.lang.String JAVA_VM_VERSION
        The System property name "java.vm.version".
        See Also:
        Constant Field Values

      • LINE_SEPARATOR

        public static final java.lang.String LINE_SEPARATOR
        The System property name "line.separator".
        See Also:
        Constant Field Values

      • OS_ARCH

        public static final java.lang.String OS_ARCH
        The System property name "os.arch".
        See Also:
        Constant Field Values

      • OS_NAME

        public static final java.lang.String OS_NAME
        The System property name "os.name".
        See Also:
        Constant Field Values

      • OS_VERSION

        public static final java.lang.String OS_VERSION
        The System property name "os.version".
        See Also:
        Constant Field Values

      • PATH_SEPARATOR

        public static final java.lang.String PATH_SEPARATOR
        The System property name "path.separator".
        See Also:
        Constant Field Values

      • USER_COUNTRY

        public static final java.lang.String USER_COUNTRY
        The System property name "user.country".
        See Also:
        Constant Field Values

      • USER_DIR

        public static final java.lang.String USER_DIR
        The System property name "user.dir".
        See Also:
        Constant Field Values

      • USER_HOME

        public static final java.lang.String USER_HOME
        The System property name "user.home".
        See Also:
        Constant Field Values

      • USER_LANGUAGE

        public static final java.lang.String USER_LANGUAGE
        The System property name "user.language".
        See Also:
        Constant Field Values

      • USER_NAME

        public static final java.lang.String USER_NAME
        The System property name "user.name".
        See Also:
        Constant Field Values

      • USER_REGION

        public static final java.lang.String USER_REGION
        The System property name "user.region".
        See Also:
        Constant Field Values

      • USER_TIMEZONE

        public static final java.lang.String USER_TIMEZONE
        The System property name "user.timezone".
        See Also:
        Constant Field Values

    • Constructor Detail

      • SystemProperties

        public SystemProperties()

    • Method Detail

      • getAwtToolkit

        public static java.lang.String getAwtToolkit()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getBoolean

        public static boolean getBoolean​(java.lang.String key,
                                 java.util.function.BooleanSupplier defaultIfAbsent)
        Gets the current value for the property named key as an boolean.
        Parameters:
        key - The key
        defaultIfAbsent - The default value
        Returns:
        an boolean or defaultIfAbsent

      • getFileEncoding

        public static java.lang.String getFileEncoding()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getFileSeparator

        public static java.lang.String getFileSeparator()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getInt

        public static int getInt​(java.lang.String key,
                         java.util.function.IntSupplier defaultIfAbsent)
        Gets the current value for the property named key as an int.
        Parameters:
        key - The key
        defaultIfAbsent - The default value
        Returns:
        an int or defaultIfAbsent

      • getJavaAwtFonts

        public static java.lang.String getJavaAwtFonts()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaAwtGraphicsenv

        public static java.lang.String getJavaAwtGraphicsenv()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaAwtHeadless

        public static java.lang.String getJavaAwtHeadless()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaAwtPrinterjob

        public static java.lang.String getJavaAwtPrinterjob()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaClassPath

        public static java.lang.String getJavaClassPath()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaClassVersion

        public static java.lang.String getJavaClassVersion()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaCompiler

        public static java.lang.String getJavaCompiler()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaEndorsedDirs

        public static java.lang.String getJavaEndorsedDirs()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaExtDirs

        public static java.lang.String getJavaExtDirs()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaHome

        public static java.lang.String getJavaHome()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaIoTmpdir

        public static java.lang.String getJavaIoTmpdir()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaLibraryPath

        public static java.lang.String getJavaLibraryPath()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaLocaleProviders

        public static java.lang.String getJavaLocaleProviders()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Java 9 and above.

        Returns:
        the current value from the system properties map.

      • getJavaRuntimeName

        public static java.lang.String getJavaRuntimeName()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaRuntimeVersion

        public static java.lang.String getJavaRuntimeVersion()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaSpecificationName

        public static java.lang.String getJavaSpecificationName()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaSpecificationVendor

        public static java.lang.String getJavaSpecificationVendor()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaSpecificationVersion

        public static java.lang.String getJavaSpecificationVersion()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaUtilPrefsPreferencesFactory

        public static java.lang.String getJavaUtilPrefsPreferencesFactory()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaVendor

        public static java.lang.String getJavaVendor()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaVendorUrl

        public static java.lang.String getJavaVendorUrl()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaVersion

        public static java.lang.String getJavaVersion()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaVmInfo

        public static java.lang.String getJavaVmInfo()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaVmName

        public static java.lang.String getJavaVmName()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaVmSpecificationName

        public static java.lang.String getJavaVmSpecificationName()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaVmSpecificationVendor

        public static java.lang.String getJavaVmSpecificationVendor()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaVmSpecificationVersion

        public static java.lang.String getJavaVmSpecificationVersion()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaVmVendor

        public static java.lang.String getJavaVmVendor()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getJavaVmVersion

        public static java.lang.String getJavaVmVersion()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getLineSeparator

        public static java.lang.String getLineSeparator()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getLong

        public static long getLong​(java.lang.String key,
                           java.util.function.LongSupplier defaultIfAbsent)
        Gets the current value for the property named key as a long.
        Parameters:
        key - The key
        defaultIfAbsent - The default value
        Returns:
        a long or defaultIfAbsent

      • getOsArch

        public static java.lang.String getOsArch()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getOsName

        public static java.lang.String getOsName()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getOsVersion

        public static java.lang.String getOsVersion()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getPathSeparator

        public static java.lang.String getPathSeparator()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getProperty

        public static java.lang.String getProperty​(java.lang.String property)
        Gets a System property, defaulting to null if the property cannot be read.

        If a SecurityException is caught, the return value is null.

        Parameters:
        property - the system property name
        Returns:
        the system property value or null if a security problem occurs

      • getUserCountry

        public static java.lang.String getUserCountry()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getUserDir

        public static java.lang.String getUserDir()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getUserHome

        public static java.lang.String getUserHome()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getUserLanguage

        public static java.lang.String getUserLanguage()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getUserName

        public static java.lang.String getUserName()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.

      • getUserTimezone

        public static java.lang.String getUserTimezone()
        Gets the current value from the system properties map.

        Returns null if the property cannot be read due to a SecurityException.

        Returns:
        the current value from the system properties map.