How to use

equals

method

in

jnr.ffi.Platform$OS

private static final File locateProtocolsFile() {
  if (Platform.getNativePlatform().getOS().equals(WINDOWS)) {
    String systemRoot;
    try {
      // FIXME: %SystemRoot% is typically *not* present in Java env,
      // so we need a better way to obtain the Windows location.
      // One possible solution: Win32API's SHGetFolderPath() with
      // parameter CSIDL_SYSTEM or CSIDL_WINDOWS.
      systemRoot = System.getProperty("SystemRoot", "C:\\windows");
    } catch (SecurityException se) {
      // whoops, try the most logical one
      systemRoot = "C:\\windows";
    }
    return new File(systemRoot + "\\system32\\drivers\\etc\\protocol");
  } else {
    return new File("/etc/protocols");
  }
}

public FromNativeConverter getFromNativeConverter(Class klazz) {
  if (Passwd.class.isAssignableFrom(klazz)) {
    if (Platform.IS_MAC) {
      return MacOSPOSIX.PASSWD;
    } else if (Platform.IS_LINUX) {
      return LinuxPOSIX.PASSWD;
    } else if (Platform.IS_SOLARIS) {
      return SolarisPOSIX.PASSWD;
    } else if (Platform.IS_FREEBSD) {
      return FreeBSDPOSIX.PASSWD;
    } else if (Platform.IS_OPENBSD) {
      return OpenBSDPOSIX.PASSWD;
    } else if (Platform.IS_WINDOWS) {
      return WindowsPOSIX.PASSWD;
    } else if (jnr.ffi.Platform.getNativePlatform().getOS().equals(jnr.ffi.Platform.OS.AIX)) {
      return AixPOSIX.PASSWD;
    }
    return null;
  } else if (Group.class.isAssignableFrom(klazz)) {
    return BaseNativePOSIX.GROUP;
  } else if (HANDLE.class.isAssignableFrom(klazz)) {
    return HANDLE.Converter;
  }
  
  return null;
}

public FromNativeConverter getFromNativeConverter(Class klazz) {
  if (Passwd.class.isAssignableFrom(klazz)) {
    if (Platform.IS_MAC) {
      return MacOSPOSIX.PASSWD;
    } else if (Platform.IS_LINUX) {
      return LinuxPOSIX.PASSWD;
    } else if (Platform.IS_SOLARIS) {
      return SolarisPOSIX.PASSWD;
    } else if (Platform.IS_FREEBSD) {
      return FreeBSDPOSIX.PASSWD;
    } else if (Platform.IS_OPENBSD) {
      return OpenBSDPOSIX.PASSWD;
    } else if (Platform.IS_WINDOWS) {
      return WindowsPOSIX.PASSWD;
    } else if (jnr.ffi.Platform.getNativePlatform().getOS().equals(jnr.ffi.Platform.OS.AIX)) {
      return AixPOSIX.PASSWD;
    }
    return null;
  } else if (Group.class.isAssignableFrom(klazz)) {
    return BaseNativePOSIX.GROUP;
  } else if (HANDLE.class.isAssignableFrom(klazz)) {
    return HANDLE.Converter;
  }
  
  return null;
}

if (!(os.equals(DARWIN) || (os.equals(WINDOWS) && Platform.getNativePlatform().getCPU() == Platform.CPU.I386)
    || os.equals(LINUX) || os.equals(SOLARIS)
    || os.equals(FREEBSD) || os.equals(NETBSD))) {
  return null;
if (os.equals(WINDOWS)) {
  Map<LibraryOption, Object> options = new HashMap<LibraryOption, Object>();
  options.put(LibraryOption.CallingConvention, CallingConvention.STDCALL);
  String[] libnames = os.equals(SOLARIS)
    ? new String[] { "socket", "nsl", "c" }
    : new String[] { "c" };
  if (os.equals(LINUX)) {
    lib = Library.loadLibrary(LinuxLibServices.class, libnames);
  } else {
NativeServicesDB services = os.equals(LINUX)
    ? new LinuxServicesDB(lib)
    : new DefaultNativeServicesDB(lib);

if (!(os.equals(DARWIN) || (os.equals(WINDOWS) && Platform.getNativePlatform().getCPU() == Platform.CPU.I386)
    || os.equals(LINUX) || os.equals(SOLARIS)
    || os.equals(FREEBSD) || os.equals(NETBSD))) {
  return null;
if (os.equals(WINDOWS)) {
  Map<LibraryOption, Object> options = new HashMap<LibraryOption, Object>();
  options.put(LibraryOption.CallingConvention, CallingConvention.STDCALL);
  lib = Library.loadLibrary(LibProto.class, options, "Ws2_32");
} else {
  String[] libnames = os.equals(SOLARIS)
      ? new String[]{"socket", "nsl", "c"}
      : new String[]{"c"};
  lib = os.equals(LINUX)
    ? Library.loadLibrary(LinuxLibProto.class, libnames)
    : Library.loadLibrary(LibProto.class, libnames);
NativeProtocolsDB protocolsDB = os.equals(LINUX)
    ? new LinuxNativeProtocolsDB((LinuxLibProto) lib)
    : new DefaultNativeProtocolsDB(lib);

public FromNativeConverter getFromNativeConverter(Class klazz) {
  if (Passwd.class.isAssignableFrom(klazz)) {
    if (Platform.IS_MAC) {
      return MacOSPOSIX.PASSWD;
    } else if (Platform.IS_LINUX) {
      return LinuxPOSIX.PASSWD;
    } else if (Platform.IS_SOLARIS) {
      return SolarisPOSIX.PASSWD;
    } else if (Platform.IS_FREEBSD) {
      return FreeBSDPOSIX.PASSWD;
    } else if (Platform.IS_OPENBSD) {
      return OpenBSDPOSIX.PASSWD;
    } else if (Platform.IS_WINDOWS) {
      return WindowsPOSIX.PASSWD;
    } else if (jnr.ffi.Platform.getNativePlatform().getOS().equals(jnr.ffi.Platform.OS.AIX)) {
      return AixPOSIX.PASSWD;
    }
    return null;
  } else if (Group.class.isAssignableFrom(klazz)) {
    return BaseNativePOSIX.GROUP;
  } else if (HANDLE.class.isAssignableFrom(klazz)) {
    return HANDLE.Converter;
  }
  
  return null;
}

public FromNativeConverter getFromNativeConverter(Class klazz) {
  if (Passwd.class.isAssignableFrom(klazz)) {
    if (Platform.IS_MAC) {
      return MacOSPOSIX.PASSWD;
    } else if (Platform.IS_LINUX) {
      return LinuxPOSIX.PASSWD;
    } else if (Platform.IS_SOLARIS) {
      return SolarisPOSIX.PASSWD;
    } else if (Platform.IS_FREEBSD) {
      return FreeBSDPOSIX.PASSWD;
    } else if (Platform.IS_OPENBSD) {
      return OpenBSDPOSIX.PASSWD;
    } else if (Platform.IS_WINDOWS) {
      return WindowsPOSIX.PASSWD;
    } else if (jnr.ffi.Platform.getNativePlatform().getOS().equals(jnr.ffi.Platform.OS.AIX)) {
      return AixPOSIX.PASSWD;
    }
    return null;
  } else if (Group.class.isAssignableFrom(klazz)) {
    return BaseNativePOSIX.GROUP;
  } else if (HANDLE.class.isAssignableFrom(klazz)) {
    return HANDLE.Converter;
  }
  
  return null;
}

  private static String convert(String sql)
  {
    if (Platform.getNativePlatform().getOS().equals(OS.WINDOWS)) {
      // '"' should be '\"' and '\' should be '\\' in Windows
      return sql.replace("\\\\", "\\").replace("\\", "\\\\").replace("\"", "\\\"");
    }
    return sql;
  }
}