Example usage for org.apache.commons.lang SystemUtils IS_OS

Introduction

In this page you can find the example usage for org.apache.commons.lang SystemUtils IS_OS_WINDOWS.

Prototype

boolean IS_OS_WINDOWS

To view the source code for org.apache.commons.lang SystemUtils IS_OS_WINDOWS.

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Document

Is true if this is Windows.

The field will return false if OS_NAME is null.

Usage

From source file:VASSAL.tools.io.TempFileManager.java

private TempFileManager() {
    ////from w  w w. j  a va 2 s  .  c o m
    // set up for cleanup on shutdown
    //
    if (SystemUtils.IS_OS_WINDOWS) {
        Runtime.getRuntime().addShutdownHook(new Thread() {
            public void run() {
                // Run the garbage collector and finalize repeatedly, with
                // exponentially increasing pauses, until we succeed at deleting
                // the whole session temp directory or we hit the sleep limit.
                long sleep = 1;
                final long maxsleep = 1024;
                while (true) {
                    System.gc();
                    System.runFinalization();

                    try {
                        cleanupSessionRoot();
                        break;
                    } catch (IOException e) {
                        if (sleep > maxsleep) {
                            // just log, since shutdown hooks don't have long to run
                            logger.error("", e);
                            break;
                        }

                        try {
                            Thread.sleep(sleep);
                        } catch (InterruptedException ignore) {
                        }

                        sleep *= 2;
                    }
                }
            }
        });
    } else {
        Runtime.getRuntime().addShutdownHook(new Thread() {
            public void run() {
                try {
                    cleanupSessionRoot();
                } catch (IOException e) {
                    // just log, since shutdown hooks don't have long to run
                    logger.error("", e);
                }
            }
        });
    }

    tmpRoot = Info.getTempDir();

    //
    // clean up stale temporary files
    //
    if (tmpRoot.exists() && tmpRoot.isDirectory()) {
        final FileFilter filter = new FileFilter() {
            public boolean accept(File f) {
                return f.isDirectory() && f.getName().startsWith(DIR_PREFIX);
            }
        };

        for (File f : tmpRoot.listFiles(filter)) {
            final File lock = new File(f.getParent(), f.getName() + ".lck");
            if (!lock.exists()) {
                try {
                    FileUtils.forceDelete(f);
                } catch (IOException e) {
                    logger.error("", e);
                }
            }
        }
    }
}

From source file:VASSAL.tools.lang.MemoryUtils.java

/**
 * Gets the amount of physical memory (RAM) in this machine, in bytes.
 *
 * @return the amount of RAM, in bytes; or -1 if the amount of RAM
 * cannot be queried./*from  w w  w.  j av  a2s  .  c  om*/
 */
public static long getPhysicalMemory() {
    if (!SystemUtils.IS_OS_WINDOWS || SystemUtils.IS_OS_WINDOWS_98 || SystemUtils.IS_OS_WINDOWS_ME) {
        // Windows 98, ME support a maximum of 2GB RAM, so are unaffected
        // by the bug which causes incorrect reporting over 2GB. Hence,
        // we can handle them in the normal way.
        final Object o = ManagementFactory.getOperatingSystemMXBean();

        try {
            if (o instanceof OperatingSystemMXBean) {
                final OperatingSystemMXBean osb = (OperatingSystemMXBean) o;
                return osb.getTotalPhysicalMemorySize();
            }
        } catch (NoClassDefFoundError e) {
            // com.sun.management.OperatingSystemMXBean doesn't exist in this JVM
        }

        // We didn't get a com.sun.management.OperatingSystemMXBean.
        return -1;
    } else {
        // FIXME: totalPhysicalMemorySize() doesn't return the correct result
        // on Windows machines with more than 2GB RAM, so we have to call
        // GlobalMemoryStatusEx ourselves instead of letting the bean do it
        // for us. See Sun Bug 6853676. This case can be removed when the bug
        // is fixed in a released JVM.

        // The Windows Kernel32 call GlobalMemoryStatusEx() fills a
        // MEMORYSTATUSEX structure with various facts about memory usage.
        final Kernel32.MEMORYSTATUSEX mstat = new Kernel32.MEMORYSTATUSEX();

        if (Kernel32.INSTANCE.GlobalMemoryStatusEx(mstat)) {
            return mstat.ullTotalPhys;
        } else {
            // GlobalMemoryStatusEx failed
            final PointerByReference lpBuffer = new PointerByReference();
            final int errno = Native.getLastError();
            final int msglen = Kernel32.INSTANCE.FormatMessage(
                    Kernel32.FORMAT_MESSAGE_ALLOCATE_BUFFER | Kernel32.FORMAT_MESSAGE_FROM_SYSTEM, Pointer.NULL,
                    errno, 0, lpBuffer, 0, Pointer.NULL);

            final String message = msglen > 0 ? lpBuffer.getValue().getStringArray(0)[0] : "no message";

            throw new RuntimeException("Error " + errno + ": " + message);
        }
    }
}

From source file:VASSAL.tools.lang.MemoryUtilsTest.java

@Ignore
@Test
public void testGetPhysicalMemoryWindows() {
    assumeTrue(SystemUtils.IS_OS_WINDOWS);
}

From source file:zhuravlik.maven.vix.LibraryHelper.java

public static void setLibraryPath(String path) {

    if (path != null)
        System.setProperty("jna.library.path", path);
    else if (SystemUtils.IS_OS_WINDOWS) {
        File dir = new File("C:/Program Files/VMware/VMware VIX/");
        String[] list = dir.list();
        for (String fl : list) {
            if (fl.contains("Workstation-") || fl.contains("Server-") || fl.contains("Player-")) {
                //logger.info("Detected " + fl);
                File wdir = new File("C:/Program Files/VMware/VMware VIX/" + fl);
                String[] wlist = wdir.list();
                for (String pfl : wlist) {
                    if (pfl.equals("64bit") || pfl.equals("32bit")) {
                        System.setProperty("jna.library.path",
                                "C:/Program Files/VMware/VMware VIX/" + fl + "/" + pfl);
                        //log("JNA library path is set to: " + "C:/Program Files/VMware/VMware VIX/" + fl + "/" + pfl, Project.MSG_INFO);
                    }//w ww .j ava 2  s. co m
                }
            }
        }
    } else {
        System.setProperty("jna.library.path", "/usr/lib/vmware-vix/");
        //log("JNA library path is set to: /usr/lib/vmware-vix/", Project.MSG_INFO);
    }
}

Example usage for org.apache.commons.lang SystemUtils IS_OS_WINDOWS

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