com.jidesoft.utils.SystemInfo Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jide-oss Show documentation
Show all versions of jide-oss Show documentation
JIDE Common Layer (Professional Swing Components)
/*
* @(#)SystemInfo.java
*
* Copyright 2002 JIDE Software Inc. All rights reserved.
*/
package com.jidesoft.utils;
import java.util.Locale;
/**
* A utility class can detect OS system information.
*/
final public class SystemInfo {
/**
* Variable for whether or not we're on Windows.
*/
private static boolean _isWindows = false;
/**
* Variable for whether or not we're on Windows NT or 2000.
*/
private static boolean _isWindowsNTor2000 = false;
/**
* Variable for whether or not we're on Windows XP.
*/
private static boolean _isWindowsXP = false;
/**
* Variable for whether or not we're on Windows Vista.
*/
private static boolean _isWindowsVista = false;
/**
* Variable for whether or not we're on Windows 2003.
*/
private static boolean _isWindows2003 = false;
/**
* Flag which indicates that the Win98/Win2k/WinME features should be disabled.
*/
private static boolean _isClassicWindows = false;
/**
* Variable for whether or not we're on Windows 95.
*/
private static boolean _isWindows95 = false;
/**
* Variable for whether or not we're on Windows 98.
*/
private static boolean _isWindows98 = false;
/**
* Variable for whether or not the operating system allows the application to be reduced to the
* system tray.
*/
private static boolean _supportsTray = false;
/**
* Variable for whether or not we're on Mac 9.1 or below.
*/
private static boolean _isMacClassic = false;
/**
* Variable for whether or not we're on MacOSX.
*/
private static boolean _isMacOSX = false;
/**
* Variable for whether or not we're on Linux.
*/
private static boolean _isLinux = false;
/**
* Variable for whether or not we're on Solaris.
*/
private static boolean _isSolaris = false;
/**
* Make sure the constructor can never be called.
*/
private SystemInfo() {
}
/**
* Initialize the settings statically.
*/
static {
// get the operating system
String os = SecurityUtils.getProperty("os.name", "Windows XP");
// set the operating system variables
_isWindows = os.indexOf("Windows") != -1;
try {
String osVersion = SecurityUtils.getProperty("os.version", "5.0");
Float version = Float.valueOf(osVersion);
_isClassicWindows = version <= 4.0;
}
catch (NumberFormatException ex) {
_isClassicWindows = false;
}
if (os.indexOf("Windows XP") != -1 || os.indexOf("Windows NT") != -1 || os.indexOf("Windows 2000") != -1) {
_isWindowsNTor2000 = true;
}
if (os.indexOf("Windows XP") != -1) {
_isWindowsXP = true;
}
if (os.indexOf("Windows Vista") != -1) {
_isWindowsVista = true;
}
if (os.indexOf("Windows 2003") != -1) {
_isWindows2003 = true;
_isWindowsXP = true;
}
if (os.indexOf("Windows 95") != -1) {
_isWindows95 = true;
}
if (os.indexOf("Windows 98") != -1) {
_isWindows98 = true;
}
if (_isWindows) _supportsTray = true;
_isSolaris = (os.indexOf("Solaris") != -1) || (os.indexOf("SunOS") != -1);
_isLinux = os.indexOf("Linux") != -1;
if (os.startsWith("Mac OS")) {
if (os.endsWith("X")) {
_isMacOSX = true;
}
else {
_isMacClassic = true;
}
}
}
/**
* Returns the version of java we're using.
*
* @return the java verison.
*/
public static String getJavaVersion() {
return SecurityUtils.getProperty("java.version", "1.4.2");
}
/**
* Returns the vendor for java we're using.
*
* @return the java vendor.
*/
public static String getJavaVendor() {
return SecurityUtils.getProperty("java.vendor", "");
}
/**
* Returns the verion of the java classwe're using.
*
* @return the java class verison.
*/
public static String getJavaClassVerion() {
return SecurityUtils.getProperty("java.class.version", "");
}
/**
* Returns the operating system.
*
* @return the os name.
*/
public static String getOS() {
return SecurityUtils.getProperty("os.name", "Windows XP");
}
/**
* Returns the operating system version.
*
* @return the os version.
*/
public static String getOSVersion() {
return SecurityUtils.getProperty("os.version", "");
}
/**
* Returns the operating system architecture.
*
* @return the os architecture.
*/
public static String getOSArchitecture() {
return SecurityUtils.getProperty("os.arch", "");
}
/**
* Returns the user's home directory.
*
* @return the user home .
*/
public static String getCurrentDirectory() {
return SecurityUtils.getProperty("user.dir", "");
}
/**
* Returns true if this is Windows NT or Windows 2000 and hence can support a system tray
* feature.
*
* @return true of system tray is supported.
*/
public static boolean supportsTray() {
return _supportsTray;
}
/**
* Set supportTray to false in case dll is missing.
*
* @param support true or false.
*/
public static void setSupportsTray(boolean support) {
_supportsTray = support;
}
/**
* Returns whether or not the os is some version of Windows.
*
* @return true if the application is running on some Windows version, false
* otherwise.
*/
public static boolean isWindows() {
return _isWindows;
}
/**
* Gets the state of the flag which indicates if the old Windows look and feel should be
* rendered. This flag is used by the component UI delegates as a hint to determine which style
* the component should be rendered.
*
* @return true if Windows 95 and Windows NT 4 look and feel should be rendered.
*/
public static boolean isClassicWindows() {
return _isClassicWindows;
}
/**
* Returns whether or not the os is some version of Windows NT.
*
* @return true if the application is running on Windows NT or 2000, false
* otherwise.
*/
public static boolean isWindowsNTor2000() {
return _isWindowsNTor2000;
}
/**
* Returns whether or not the os is some version of Windows XP.
*
* @return true if the application is running on Windows XP, false otherwise.
*/
public static boolean isWindowsXP() {
return _isWindowsXP;
}
/**
* Returns whether or not the os is some version of Windows Vista.
*
* @return true if the application is running on Windows Vista, false
* otherwise.
*/
public static boolean isWindowsVista() {
return _isWindowsVista;
}
/**
* Returns whether or not the os is some version of Windows 95.
*
* @return true if the application is running on Windows XP, false otherwise.
*/
public static boolean isWindows95() {
return _isWindows95;
}
/**
* Returns whether or not the os is some version of Windows 98.
*
* @return true if the application is running on Windows XP, false otherwise.
*/
public static boolean isWindows98() {
return _isWindows98;
}
/**
* Returns whether or not the os is some version of Windows 2003.
*
* @return true if the application is running on Windows 2003, false
* otherwise.
*/
public static boolean isWindows2003() {
return _isWindows2003;
}
/**
* Returns whether or not the os is Mac 9.1 or earlier.
*
* @return true if the application is running on a Mac version prior to OSX,
* false otherwise.
*/
public static boolean isMacClassic() {
return _isMacClassic;
}
/**
* Returns whether or not the os is Mac OSX.
*
* @return true if the application is running on Mac OSX, false otherwise.
*/
public static boolean isMacOSX() {
return _isMacOSX;
}
/**
* Returns whether or not the os is any Mac os.
*
* @return true if the application is running on Mac OSX or any previous mac version,
* false otherwise.
*/
public static boolean isAnyMac() {
return _isMacClassic || _isMacOSX;
}
/**
* Returns whether or not the os is Solaris.
*
* @return true if the application is running on Solaris, false otherwise.
*/
public static boolean isSolaris() {
return _isSolaris;
}
/**
* Returns whether or not the os is Linux.
*
* @return true if the application is running on Linux, false otherwise.
*/
public static boolean isLinux() {
return _isLinux;
}
/**
* Returns whether or not the os is some version of Unix, defined here as only Solaris or
* Linux.
*
* @return true if the application is running on a type of UNIX such as Linux or
* Solaris, false otherwise.
*/
public static boolean isUnix() {
return _isLinux || _isSolaris;
}
/**
* Returns whether or no the JDK version is 1.3 and above.
*
* @return true if the application is running on JDK 1.3 and above, false
* otherwise.
*/
public static boolean isJdk13Above() {
String s = getJavaVersion();
String sub = s.substring(0, 3);
try {
double version = Double.parseDouble(sub);
return version >= 1.3;
}
catch (NumberFormatException e) {
// ignore
}
return false;
}
/**
* Returns whether or no the JDK version is 1.4.2 and above.
*
* @return true if the application is running on JDK 1.4.2 and above, false
* otherwise.
*/
public static boolean isJdk142Above() {
String s = getJavaVersion();
String sub = s.substring(0, 5);
return sub.compareTo("1.4.2") >= 0;
}
/**
* Returns whether or no the JDK version is 1.4 and above.
*
* @return true if the application is running on JDK 1.4 and above, false
* otherwise.
*/
public static boolean isJdk14Above() {
String s = getJavaVersion();
String sub = s.substring(0, 3);
try {
double version = Double.parseDouble(sub);
return version >= 1.4;
}
catch (NumberFormatException e) {
// ignore
}
return false;
}
/**
* Returns whether or no the JDK version is 1.5 and above.
*
* @return true if the application is running on JDK 1.5 and above, false
* otherwise.
*/
public static boolean isJdk15Above() {
String s = getJavaVersion();
String sub = s.substring(0, 3);
try {
double version = Double.parseDouble(sub);
return version >= 1.5;
}
catch (NumberFormatException e) {
// ignore
}
return false;
}
/**
* Returns whether or no the JDK version is 6 and above.
*
* @return true if the application is running on JDK 6 and above, false
* otherwise.
*/
public static boolean isJdk6Above() {
String s = getJavaVersion();
String sub = s.substring(0, 3);
try {
double version = Double.parseDouble(sub);
return version >= 1.6;
}
catch (NumberFormatException e) {
// ignore
}
return false;
}
/**
* Returns whether or no the JDK version is 1.7 and above.
*
* @return true if the application is running on JDK 1.7 and above, false
* otherwise.
*/
public static boolean isJdk7Above() {
String s = getJavaVersion();
String sub = s.substring(0, 3);
try {
double version = Double.parseDouble(sub);
return version >= 1.7;
}
catch (NumberFormatException e) {
// ignore
}
return false;
}
/**
* Returns whether the default locale is one of the three language - Chinese, Japanese or Korean
* - also known as CJK.
*
* @return true if the default locale is in CJK.
*/
public static boolean isCJKLocale() {
return isCJKLocale(Locale.getDefault());
}
/**
* Returns whether the locale is one of the three language - Chinese, Japanese or Korean - also
* known as CJK.
*
* @param locale the locale to be checked.
*
* @return true if the default locale is in CJK.
*/
public static boolean isCJKLocale(Locale locale) {
return locale.equals(Locale.CHINA)
|| locale.equals(Locale.CHINESE)
|| locale.equals(new Locale("zh", "HK"))
|| locale.equals(Locale.TAIWAN)
|| locale.equals(Locale.JAPAN)
|| locale.equals(Locale.JAPANESE)
|| locale.equals(Locale.KOREA)
|| locale.equals(Locale.KOREAN);
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy