Class SystemInfo

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

  • Field Details

    • hostInfoLazy

      private static SystemInfo.HostInfoLazy hostInfoLazy

    • JAVA_VM_NAME

      private final String JAVA_VM_NAME

    • JAVA_VM_VERSION

      private final String JAVA_VM_VERSION

    • JAVA_VM_VENDOR

      private final String JAVA_VM_VENDOR

    • JAVA_VM_INFO

      private final String JAVA_VM_INFO

    • JAVA_VM_SPECIFICATION_NAME

      private final String JAVA_VM_SPECIFICATION_NAME

    • JAVA_VM_SPECIFICATION_VERSION

      private final String JAVA_VM_SPECIFICATION_VERSION

    • JAVA_VM_SPECIFICATION_VENDOR

      private final String JAVA_VM_SPECIFICATION_VENDOR

    • JAVA_VERSION

      private final String JAVA_VERSION

    • JAVA_VERSION_NUMBER

      private final int JAVA_VERSION_NUMBER

    • JAVA_VENDOR

      private final String JAVA_VENDOR

    • JAVA_VENDOR_URL

      private final String JAVA_VENDOR_URL

    • JAVA_SPECIFICATION_VERSION

      private final String JAVA_SPECIFICATION_VERSION

    • JAVA_SPECIFICATION_NAME

      private final String JAVA_SPECIFICATION_NAME

    • JAVA_SPECIFICATION_VENDOR

      private final String JAVA_SPECIFICATION_VENDOR

    • JRE_PACKAGES

      private final String[] JRE_PACKAGES

    • OS_VERSION

      private final String OS_VERSION

    • OS_ARCH

      private final String OS_ARCH

    • OS_NAME

      private final 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 String FILE_SEPARATOR

    • LINE_SEPARATOR

      private final String LINE_SEPARATOR

    • PATH_SEPARATOR

      private final String PATH_SEPARATOR

    • FILE_ENCODING

      private final String FILE_ENCODING

    • runtime

      private final Runtime runtime

    • USER_NAME

      private final String USER_NAME

    • USER_HOME

      private final String USER_HOME

    • USER_DIR

      private final String USER_DIR

    • USER_LANGUAGE

      private final String USER_LANGUAGE

    • USER_COUNTRY

      private final String USER_COUNTRY

    • JAVA_IO_TMPDIR

      private final String JAVA_IO_TMPDIR

    • JAVA_HOME

      private final String JAVA_HOME

    • SYSTEM_CLASS_PATH

      private final String[] SYSTEM_CLASS_PATH

  • Constructor Details

    • SystemInfo

      public SystemInfo()

  • Method Details

    • getHostName

      public final String getHostName()
      Returns host name.

    • getHostAddress

      public final String getHostAddress()
      Returns host IP address.

    • getJvmName

      public final String getJvmName()
      Returns JVM name.

    • getJvmVersion

      public final String getJvmVersion()
      Returns JVM version.

    • getJvmVendor

      public final String getJvmVendor()
      Returns VM vendor.

    • getJvmInfo

      public final String getJvmInfo()
      Returns additional VM information.

    • getJvmSpecificationName

      public final String getJvmSpecificationName()

    • getJvmSpecificationVersion

      public final String getJvmSpecificationVersion()

    • getJvmSpecificationVendor

      public final String getJvmSpecificationVendor()

    • getJavaVersion

      public 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 String getJavaVendor()
      Returns Java vendor.

    • getJavaVendorURL

      public String getJavaVendorURL()
      Returns Java vendor URL.

    • getJavaSpecificationVersion

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

    • getJavaSpecificationName

      public final String getJavaSpecificationName()

    • getJavaSpecificationVendor

      public final String getJavaSpecificationVendor()

    • getJrePackages

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

    • buildJrePackages

      private 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 String getOsArchitecture()

    • getOsName

      public final String getOsName()

    • getOsVersion

      public final 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 String getFileSeparator()

    • getLineSeparator

      public final String getLineSeparator()

    • getPathSeparator

      public final String getPathSeparator()

    • getFileEncoding

      public final String getFileEncoding()

    • matchOS

      private boolean matchOS(String osNamePrefix)

    • matchOS

      private boolean matchOS(String osNamePrefix, 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 String getUserName()

    • getHomeDir

      public final String getHomeDir()

    • getWorkingDir

      public final String getWorkingDir()

    • getTempDir

      public final String getTempDir()

    • getUserLanguage

      public final String getUserLanguage()

    • getUserCountry

      public final String getUserCountry()

    • getJavaHomeDir

      public String getJavaHomeDir()

    • getSystemClasspath

      public String[] getSystemClasspath()

    • nosep

      protected String nosep(String in)