static {
System.loadLibrary("jniconstraintsolver");
}
/**
* Try to determine whether this application is running under Windows or some other platform by
* examining the "os.name" property.
*/
static {
String os = System.getProperty("os.name");
// String version = System.getProperty("os.version"); // for Win7, reports "6.0" on JDK7, should
// be "6.1"; for Win8, reports "6.2" as of JDK7u17
if (SystemUtils.startsWithIgnoreCase(os, "windows 7"))
isWin7 = true; // reports "Windows Vista" on JDK7
else if (SystemUtils.startsWithIgnoreCase(os, "windows 8"))
isWin7 = true; // reports "Windows 8" as of JDK7u17
else if (SystemUtils.startsWithIgnoreCase(os, "windows vista")) isVista = true;
else if (SystemUtils.startsWithIgnoreCase(os, "windows xp")) isWinXP = true;
else if (SystemUtils.startsWithIgnoreCase(os, "windows 2000")) isWin2k = true;
else if (SystemUtils.startsWithIgnoreCase(os, "windows nt")) isWinNT = true;
else if (SystemUtils.startsWithIgnoreCase(os, "windows"))
isWin9X = true; // win95 or win98 (what about WinME?)
else if (SystemUtils.startsWithIgnoreCase(os, "mac")) isMac = true;
else if (SystemUtils.startsWithIgnoreCase(os, "so")) isSolaris = true; // sunos or solaris
else if (os.equalsIgnoreCase("linux")) isLinux = true;
else isUnix = true; // assume UNIX, e.g. AIX, HP-UX, IRIX
String osarch = System.getProperty("os.arch");
String arch = (osarch != null && osarch.contains("64")) ? "_x64" /* eg. 'amd64' */ : "_x32";
String syslib = SYSLIB + arch;
try { // loading a native lib in a static initializer ensures that it is available before any
// method in this class is called:
System.loadLibrary(syslib);
System.out.println(
"Done loading '" + System.mapLibraryName(syslib) + "', PID=" + getProcessID());
} catch (Error e) {
System.err.println(
"Native library '"
+ System.mapLibraryName(syslib)
+ "' not found in 'java.library.path': "
+ System.getProperty("java.library.path"));
throw e; // re-throw
}
if (isWinPlatform()) {
System.setProperty(
"line.separator", "\n"); // so we won't have to mess with DOS line endings ever again
comSpec =
getEnv(
"comSpec"); // use native method here since getEnvironmentVariable() needs to know
// comSpec
comSpec = (comSpec != null) ? comSpec + " /c " : "";
try (BufferedReader br =
new BufferedReader(
new InputStreamReader(
RUNTIME.exec(comSpec + "ver").getInputStream()))) { // fix for Win7,8
for (String line = null; (line = br.readLine()) != null; ) {
if (isVista && (line.contains("6.1" /*Win7*/) || line.contains("6.2" /*Win8*/))) {
isVista = false;
isWin7 = true;
}
}
} catch (IOException e) {
e.printStackTrace();
}
String cygdir = getEnv("cygdir"); // this is set during CygWin install to "?:/cygwin/bin"
isCygWin = (cygdir != null && !cygdir.equals("%cygdir%"));
cygstartPath = cygdir + "/cygstart.exe"; // path to CygWin's cygutils' "cygstart" binary
if (getDebug() && Desktop.isDesktopSupported()) {
Desktop desktop = Desktop.getDesktop();
for (Desktop.Action action : Desktop.Action.values())
System.out.println(
"Desktop action " + action + " supported? " + desktop.isSupported(action));
}
}
}