OSUtil.java

package com.redhat.ceylon.common;

public class OSUtil {

    private static final boolean IS_WINDOWS = System.getProperty("os.name").toLowerCase().indexOf("windows") >= 0;
    private static final boolean IS_MAC = System.getProperty("os.name").toLowerCase().indexOf("mac") >= 0;
    
    public static boolean isWindows() {
        return IS_WINDOWS;
    }
    
    public static boolean isMac() {
        return IS_MAC;
    }
    
    public static boolean isUnix() {
        return !IS_WINDOWS && !IS_MAC;
    }
}