Method expectPrefix

classpath/java/text/SimpleDateFormat.java:100–104

(String text, int offset, String prefix)

  }

  private static int expectPrefix(String text, int offset, String prefix) throws ParseException {
    if (text.length() <= offset) throw new ParseException("Short date: " + text, offset);
    if (! text.substring(offset).startsWith(prefix)) throw new ParseException("Parse error: " + text, offset);
    return offset + prefix.length();
  }
}