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load sigar library
/**
* helper class to check the operating system this Java VM runs in
* http://stackoverflow.com/questions/228477/how-do-i-programmatically-determine-operating-system-in-java
* compare to http://svn.terracotta.org/svn/tc/dso/tags/2.6.4/code/base/common/src/com/tc/util/runtime/Os.java
* http://www.docjar.com/html/api/org/apache/commons/lang/SystemUtils.java.html
*/
public final class OsCheck {
/**
* types of Operating Systems
*/
public enum OSType {
Windows, MacOS, Linux, Other
}
protected static OSType detectedOS;
/**
* detected the operating system from the os.name System property and cache
* the result
*
* @returns - the operating system detected
*/
public static OSType getOperatingSystemType() {
if (detectedOS == null) {
String OS = System.getProperty("os.name", "generic").toLowerCase();
if (OS.indexOf("win") >= 0) {
detectedOS = OSType.Windows;
} else if ((OS.indexOf("mac") >= 0) || (OS.indexOf("darwin") >= 0)) {
detectedOS = OSType.MacOS;
} else if (OS.indexOf("nux") >= 0) {
detectedOS = OSType.Linux;
} else {
detectedOS = OSType.Other;
}
}
return detectedOS;
}
}
import com.google.common.io.Resources;
import org.hyperic.sigar.Sigar;
import java.io.File;
import java.io.IOException;
/**
* @author gaohui
* @date 13-11-27 19:43
*/
public class SigarUtil {
public final static Sigar sigar = initSigar();
private static Sigar initSigar() {
try {
String file = Resources.getResource("sigar/.sigar_shellrc").getFile();
File classPath = new File(file).getParentFile();
String path = System.getProperty("java.library.path");
if (OsCheck.getOperatingSystemType() == OsCheck.OSType.Windows) {
path += ";" + classPath.getCanonicalPath();
} else {
path += ":" + classPath.getCanonicalPath();
}
System.setProperty("java.library.path", path);
return new Sigar();
} catch (Exception e) {
return null;
}
}
}
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