Review

finding-18

/mubench/checkouts/closure/319/build/src//com/google/javascript/jscomp/LocaleUtil.java

getLocaleFromStandardLocaleString(String)

class LocaleUtil {
  /**
   * Convert a locale string from the RFC 3066 standard format
   * to the Java locale format. You can call this on
   * any locale string obtained from an external source
   * (cookie, URL parameter, header, etc.). This method accepts
   * more than just the standard format and will also tolerate
   * capitalization discrepancies and the use of an underscore
   * in place of a hyphen.
   *
   * @param s String representation for locale.
   * @return Parsed locale.
   */
  static Locale getLocaleFromStandardLocaleString(String s) {
    if (s == null) {
      return null;
    }

    Matcher matcher = LOCALE_PATTERN.matcher(s);

    // LOCALE_PATTERN will match any string, though it may not match the whole
    // string.  Specifically, it will not match a third _ or - or any
    // subsequent text.
    matcher.find();

    String language = Strings.makeSafe(matcher.group(1));
    String country = Strings.makeSafe(matcher.group(2));
    String variant = Strings.makeSafe(matcher.group(3));

    return new Locale(language, country, variant);
  }

}