OSValidator.java

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package edu.rice.cs.hpc.data.util;

/*******************************************************
 * Check the Operating system of the current JVM
 * @author laksonoadhianto
 *
 *******************************************************/
public class OSValidator {
    
    static private final String os = OSValidator.getOS();
    static private final boolean mac = ( os.indexOf("mac") >= 0 );
    static private final boolean win = ( os.indexOf("win") >= 0 );
    static private final boolean unix = ( os.indexOf( "nix") >=0 || os.indexOf( "nux") >=0 );
    
    /****
     * test unit
     * @param args
     */
    public static void main(String[] args)
    {
        if(isWindows()){
            System.out.println("This is Windows");
        }else if(isMac()){
            System.out.println("This is Mac");
        }else if(isUnix()){
            System.out.println("This is Unix or Linux");
        }else{
            System.out.println("Your OS is not supported!!");
        }
    }
 
    /******
     * check if we are on windows
     * @return true if win* is the current OS
     */
    public static boolean isWindows(){
        return win; 
    }
 
    /******
     * check if we are on mac
     * @return true if mac* is the current OS
     */
    public static boolean isMac(){
        return mac; 
    }
 
    /******
     * check if we are on unix or linux
     * @return true if *nix or *nux is the current OS
     */
    public static boolean isUnix(){ 
        return unix;
    }

        
    private static String getOS() {
        return System.getProperty("os.name").toLowerCase();
    }
}