Java Cross Platform Identification Code

public class NativeSystem {

    /**
     * The operating system family enum.
     *
     * @see NativeSystem
     */
    public enum Family {
        /** The FreeBSD operating system family. */
        FREEBSD,

        /** The OpenBSD operating system family. */
        OPENBSD,

        /** The Apple OS X operating system family. */
        OSX,

        /** The Solaris operating system family. */
        SOLARIS,

        /** The Linux operating system family. */
        LINUX,

        /** The Windows operating system family. */
        WINDOWS,

        /** Any unsupported operating system family. */
        UNSUPPORTED
    }

    /**
     * The system architecture enum.
     *
     * @see NativeSystem
     */
    public enum Arch {
        /** The alpha architecture. */
        ALPHA,

        /** The arm architecture. */
        ARM,

        /** The itanium64 32-bit architecture. */
        IA64_32,

        /** The itanium64 architecture. */
        IA64,

        /** The mips architecture. */
        MIPS,

        /** The sparc architecture. */
        SPARC,

        /** The sparc64 architecture. */
        SPARC64,

        /** The ppc architecture. */
        PPC,

        /** The ppc64 architecture. */
        PPC64,

        /** The x86 architecture. */
        x86,

        /** The amd64 architecture. */
        x86_64,

        /** Any unsupported system architecture. */
        UNSUPPORTED
    }

    /**
     * Determines the current operating system family.
     *
     * @return The current operating system family enum item.
     */
    public static Family getFamily() {
        String osName = System.getProperty("os.name");
        Family family;

        if (osName.equalsIgnoreCase("freebsd")) {
            family = Family.FREEBSD;
        }
        else if (osName.equalsIgnoreCase("openbsd")) {
            family = Family.OPENBSD;
        }
        else if (osName.equalsIgnoreCase("mac os x")) {
            family = Family.OSX;
        }
        else if (osName.equalsIgnoreCase("solaris") ||
                osName.equalsIgnoreCase("sunos")) {
            family = Family.SOLARIS;
        }
        else if (osName.equalsIgnoreCase("linux")) {
            family = Family.LINUX;
        }
        else if (osName.toLowerCase().startsWith("windows")) {
            family = Family.WINDOWS;
        }
        else {
            family = Family.UNSUPPORTED;
        }

        return family;
    }

    /**
     * Determines the current system architecture.
     *
     * @return The current system architecture.
     */
    public static Arch getArchitecture() {
        String osArch = System.getProperty("os.arch");
        Arch arch;

        if (osArch.equalsIgnoreCase("alpha")) {
            arch = Arch.ALPHA;
        }
        else if (osArch.toLowerCase().startsWith("arm")) {
            arch = Arch.ARM;
        }
        else if (osArch.equalsIgnoreCase("ia64_32")) {
            arch = Arch.IA64_32;
        }
        else if (osArch.equalsIgnoreCase("ia64")) {
            arch = Arch.IA64;
        }
        else if (osArch.equalsIgnoreCase("mips")) {
            arch = Arch.MIPS;
        }
        else if (osArch.equalsIgnoreCase("sparc")) {
            arch = Arch.SPARC;
        }
        else if (osArch.equalsIgnoreCase("sparc64")) {
            arch = Arch.SPARC64;
        }
        else if (osArch.equalsIgnoreCase("ppc") ||
                osArch.equalsIgnoreCase("powerpc")) {
            arch = Arch.PPC;
        }
        else if (osArch.equalsIgnoreCase("ppc64") ||
                osArch.equalsIgnoreCase("powerpc64")) {
            arch = Arch.PPC64;
        }
        else if (osArch.equalsIgnoreCase("x86") ||
            osArch.equalsIgnoreCase("i386") ||
            osArch.equalsIgnoreCase("i486") ||
            osArch.equalsIgnoreCase("i586") ||
            osArch.equalsIgnoreCase("i686")) {
            arch = Arch.x86;
        }
        else if (osArch.equalsIgnoreCase("x86_64") ||
                osArch.equalsIgnoreCase("amd64") ||
                osArch.equalsIgnoreCase("k8")) {
            arch = Arch.x86_64;
        }

        else {
            arch = Arch.UNSUPPORTED;
        }

        return arch;
    }
}