Package jodd.util

Class SystemInfo

  • public final class SystemInfo
extends java.lang.Object
    Various system information.

    • Field Detail

      • JAVA_VM_NAME

        private final java.lang.String JAVA_VM_NAME

      • JAVA_VM_VERSION

        private final java.lang.String JAVA_VM_VERSION

      • JAVA_VM_VENDOR

        private final java.lang.String JAVA_VM_VENDOR

      • JAVA_VM_INFO

        private final java.lang.String JAVA_VM_INFO

      • JAVA_VM_SPECIFICATION_NAME

        private final java.lang.String JAVA_VM_SPECIFICATION_NAME

      • JAVA_VM_SPECIFICATION_VERSION

        private final java.lang.String JAVA_VM_SPECIFICATION_VERSION

      • JAVA_VM_SPECIFICATION_VENDOR

        private final java.lang.String JAVA_VM_SPECIFICATION_VENDOR

      • JAVA_VERSION

        private final java.lang.String JAVA_VERSION

      • JAVA_VERSION_NUMBER

        private final int JAVA_VERSION_NUMBER

      • JAVA_VENDOR

        private final java.lang.String JAVA_VENDOR

      • JAVA_VENDOR_URL

        private final java.lang.String JAVA_VENDOR_URL

      • JAVA_SPECIFICATION_VERSION

        private final java.lang.String JAVA_SPECIFICATION_VERSION

      • JAVA_SPECIFICATION_NAME

        private final java.lang.String JAVA_SPECIFICATION_NAME

      • JAVA_SPECIFICATION_VENDOR

        private final java.lang.String JAVA_SPECIFICATION_VENDOR

      • JRE_PACKAGES

        private final java.lang.String[] JRE_PACKAGES

      • OS_VERSION

        private final java.lang.String OS_VERSION

      • OS_ARCH

        private final java.lang.String OS_ARCH

      • OS_NAME

        private final java.lang.String OS_NAME

      • IS_ANDROID

        private final boolean IS_ANDROID

      • IS_OS_AIX

        private final boolean IS_OS_AIX

      • IS_OS_HP_UX

        private final boolean IS_OS_HP_UX

      • IS_OS_IRIX

        private final boolean IS_OS_IRIX

      • IS_OS_LINUX

        private final boolean IS_OS_LINUX

      • IS_OS_MAC

        private final boolean IS_OS_MAC

      • IS_OS_MAC_OSX

        private final boolean IS_OS_MAC_OSX

      • IS_OS_OS2

        private final boolean IS_OS_OS2

      • IS_OS_SOLARIS

        private final boolean IS_OS_SOLARIS

      • IS_OS_SUN_OS

        private final boolean IS_OS_SUN_OS

      • IS_OS_WINDOWS

        private final boolean IS_OS_WINDOWS

      • IS_OS_WINDOWS_2000

        private final boolean IS_OS_WINDOWS_2000

      • IS_OS_WINDOWS_95

        private final boolean IS_OS_WINDOWS_95

      • IS_OS_WINDOWS_98

        private final boolean IS_OS_WINDOWS_98

      • IS_OS_WINDOWS_ME

        private final boolean IS_OS_WINDOWS_ME

      • IS_OS_WINDOWS_NT

        private final boolean IS_OS_WINDOWS_NT

      • IS_OS_WINDOWS_XP

        private final boolean IS_OS_WINDOWS_XP

      • FILE_SEPARATOR

        private final java.lang.String FILE_SEPARATOR

      • LINE_SEPARATOR

        private final java.lang.String LINE_SEPARATOR

      • PATH_SEPARATOR

        private final java.lang.String PATH_SEPARATOR

      • FILE_ENCODING

        private final java.lang.String FILE_ENCODING

      • runtime

        private final java.lang.Runtime runtime

      • USER_NAME

        private final java.lang.String USER_NAME

      • USER_HOME

        private final java.lang.String USER_HOME

      • USER_DIR

        private final java.lang.String USER_DIR

      • USER_LANGUAGE

        private final java.lang.String USER_LANGUAGE

      • USER_COUNTRY

        private final java.lang.String USER_COUNTRY

      • JAVA_IO_TMPDIR

        private final java.lang.String JAVA_IO_TMPDIR

      • JAVA_HOME

        private final java.lang.String JAVA_HOME

      • SYSTEM_CLASS_PATH

        private final java.lang.String[] SYSTEM_CLASS_PATH

    • Constructor Detail

      • SystemInfo

        public SystemInfo()

    • Method Detail

      • getHostName

        public final java.lang.String getHostName()
        Returns host name.

      • getHostAddress

        public final java.lang.String getHostAddress()
        Returns host IP address.

      • getJvmName

        public final java.lang.String getJvmName()
        Returns JVM name.

      • getJvmVersion

        public final java.lang.String getJvmVersion()
        Returns JVM version.

      • getJvmVendor

        public final java.lang.String getJvmVendor()
        Returns VM vendor.

      • getJvmInfo

        public final java.lang.String getJvmInfo()
        Returns additional VM information.

      • getJvmSpecificationName

        public final java.lang.String getJvmSpecificationName()

      • getJvmSpecificationVersion

        public final java.lang.String getJvmSpecificationVersion()

      • getJvmSpecificationVendor

        public final java.lang.String getJvmSpecificationVendor()

      • getJavaVersion

        public java.lang.String getJavaVersion()
        Returns Java version string, as specified in system property. Returned string contain major version, minor version and revision.

      • getJavaVersionNumber

        public int getJavaVersionNumber()
        Returns unified Java version as an integer.

      • getJavaVendor

        public java.lang.String getJavaVendor()
        Returns Java vendor.

      • getJavaVendorURL

        public java.lang.String getJavaVendorURL()
        Returns Java vendor URL.

      • getJavaSpecificationVersion

        public java.lang.String getJavaSpecificationVersion()
        Retrieves the version of the currently running JVM.

      • getJavaSpecificationName

        public final java.lang.String getJavaSpecificationName()

      • getJavaSpecificationVendor

        public final java.lang.String getJavaSpecificationVendor()

      • getJrePackages

        public java.lang.String[] getJrePackages()
        Returns list of packages, build into runtime jars.

      • buildJrePackages

        private java.lang.String[] buildJrePackages​(int javaVersionNumber)
        Builds a set of java core packages.

      • detectJavaVersionNumber

        private int detectJavaVersionNumber()

      • isAtLeastJavaVersion

        public boolean isAtLeastJavaVersion​(int version)
        Checks if the currently running JVM is at least compliant with provided JDK version.

      • isJavaVersion

        public boolean isJavaVersion​(int version)
        Checks if the currently running JVM is equal to provided version.

      • getOsArchitecture

        public final java.lang.String getOsArchitecture()

      • getOsName

        public final java.lang.String getOsName()

      • getOsVersion

        public final java.lang.String getOsVersion()

      • isAndroid

        public boolean isAndroid()
        Returns true if system is android.

      • isAndroid0

        private static boolean isAndroid0()

      • isAix

        public final boolean isAix()

      • isHpUx

        public final boolean isHpUx()

      • isIrix

        public final boolean isIrix()

      • isLinux

        public final boolean isLinux()

      • isMac

        public final boolean isMac()

      • isMacOsX

        public final boolean isMacOsX()

      • isOs2

        public final boolean isOs2()

      • isSolaris

        public final boolean isSolaris()

      • isSunOS

        public final boolean isSunOS()

      • isWindows

        public final boolean isWindows()

      • isWindows2000

        public final boolean isWindows2000()

      • isWindows95

        public final boolean isWindows95()

      • isWindows98

        public final boolean isWindows98()

      • isWindowsME

        public final boolean isWindowsME()

      • isWindowsNT

        public final boolean isWindowsNT()

      • isWindowsXP

        public final boolean isWindowsXP()

      • getFileSeparator

        public final java.lang.String getFileSeparator()

      • getLineSeparator

        public final java.lang.String getLineSeparator()

      • getPathSeparator

        public final java.lang.String getPathSeparator()

      • getFileEncoding

        public final java.lang.String getFileEncoding()

      • matchOS

        private boolean matchOS​(java.lang.String osNamePrefix)

      • matchOS

        private boolean matchOS​(java.lang.String osNamePrefix,
                        java.lang.String osVersionPrefix)

      • getMaxMemory

        public final long getMaxMemory()
        Returns MAX memory.

      • getTotalMemory

        public final long getTotalMemory()
        Returns TOTAL memory.

      • getFreeMemory

        public final long getFreeMemory()
        Returns FREE memory.

      • getAvailableMemory

        public final long getAvailableMemory()
        Returns usable memory.

      • getUsedMemory

        public final long getUsedMemory()
        Returns used memory.

      • getCPUs

        public final long getCPUs()
        Returns number of CPUs.

      • getUserName

        public final java.lang.String getUserName()

      • getHomeDir

        public final java.lang.String getHomeDir()

      • getWorkingDir

        public final java.lang.String getWorkingDir()

      • getTempDir

        public final java.lang.String getTempDir()

      • getUserLanguage

        public final java.lang.String getUserLanguage()

      • getUserCountry

        public final java.lang.String getUserCountry()

      • getJavaHomeDir

        public java.lang.String getJavaHomeDir()

      • getSystemClasspath

        public java.lang.String[] getSystemClasspath()

      • nosep

        protected java.lang.String nosep​(java.lang.String in)