public class Utils {
/**
* Tests whether the given character is a valid space.
*/
public static boolean isXMLSpace(char c) {
return (c <= 0x0020) &&
(((((1L << 0x0009) |
(1L << 0x000A) |
(1L << 0x000D) |
(1L << 0x0020)) >> c) & 1L) != 0);
}
}