Lines Matching defs:str
448 * @param str the string to be examined
449 * @return true if str is null or zero length
451 public static boolean isEmpty(@Nullable CharSequence str) {
452 if (str == null || str.length() == 0)
459 public static String nullIfEmpty(@Nullable String str) {
460 return isEmpty(str) ? null : str;
1436 public static boolean isGraphic(CharSequence str) {
1437 final int len = str.length();
1439 cp = Character.codePointAt(str, i);
1476 public static boolean isDigitsOnly(CharSequence str) {
1477 final int len = str.length();
1479 cp = Character.codePointAt(str, i);
1499 public static boolean isPrintableAsciiOnly(final CharSequence str) {
1500 final int len = str.length();
1502 if (!isPrintableAscii(str.charAt(i))) {