}

    protected static String getRegExPattern(String pattern) {
        StringBuilder result = new StringBuilder();
        for (int i=0; i<pattern.length(); i++) {
            char next = pattern.charAt(i);
            if (next == '*') {
                result.append(".*");
            } else if (next == '?') {
                result.append(".");
            } else if (ESCAPE_CHARS.indexOf(next) >= 0) {

            return null;
        }
        if (trimText == null) {
            trimText = " ";
        }
        int pos = 0;
        for (; pos < text.length(); pos++) {
            if (trimText.indexOf(text.charAt(pos)) < 0) {
                break;
            }
        }
        return text.substring(pos);
    }

    /**
     * 右側の空白を削ります。
     *
     * @param text
     *            テキスト

                positions:
                for (int p = start, last = toSplit.length() - separatorLength; p <= last; p++) {
                  for (int i = 0; i < separatorLength; i++) {
                    if (toSplit.charAt(i + p) != separator.charAt(i)) {
                      continue positions;
                    }
                  }
                  return p;
                }
                return -1;
              }

        }
      }
    }
    if (ipString.charAt(0) == IPV6_DELIMITER && ipString.charAt(1) != IPV6_DELIMITER) {
      return null; // ^: requires ^::
    }
    if (ipString.charAt(ipString.length() - 1) == IPV6_DELIMITER
        && ipString.charAt(ipString.length() - 2) != IPV6_DELIMITER) {
      return null; // :$ requires ::$
    }

    }

    private static boolean isPrefixable(String methodName, String prefix) {
        return methodName.startsWith(prefix) && methodName.length() > prefix.length() && Character.isUpperCase(methodName.charAt(prefix.length()));
    }

    private static String getPropertyName(String methodName) {
        if (methodName.startsWith("get")) {
            return getPropertyName(methodName, "get");

                } else if (idx == 0) {
                    result = result.substring(3);
                    continue;
                }
                int parent = idx - 1;
                while (parent >= 0 && result.charAt(parent) == '/') {
                    parent--;
                }
                parent = result.lastIndexOf('/', parent);
                if (parent < 0) {
                    result = result.substring(idx + 4);

    if (stringValue.length() == 0) {
      throw new NumberFormatException("empty string");
    }

    // Handle radix specifier if present
    String rawValue;
    int radix;
    char firstChar = stringValue.charAt(0);
    if (stringValue.startsWith("0x") || stringValue.startsWith("0X")) {
      rawValue = stringValue.substring(2);
      radix = 16;
    } else if (firstChar == '#') {
      rawValue = stringValue.substring(1);

        }

        private void concatPath(StringBuilder url, String path) {
            if (!path.isEmpty()) {
                boolean initialUrlEndsWithSlash = url.charAt(url.length() - 1) == '/';
                boolean pathStartsWithSlash = path.charAt(0) == '/';

                if (pathStartsWithSlash) {
                    if (initialUrlEndsWithSlash) {
                        // 1 extra '/' to remove

    public String normalize(final String text, final String field, final String... langs) {
        final char[] chars = new char[text.length()];
        for (int i = 0; i < chars.length; i++) {
            final char c = text.charAt(i);
            if (c >= 'ａ' && c <= 'ｚ') {
                chars[i] = (char) (c - 'ａ' + 'a');
            } else if (c >= 'Ａ' && c <= 'Ｚ') {
                chars[i] = (char) (c - 'Ａ' + 'A');

                } else if (idx == 0) {
                    result = result.substring(3);
                    continue;
                }
                int parent = idx - 1;
                while (parent >= 0 && result.charAt(parent) == '/') {
                    parent--;
                }
                parent = result.lastIndexOf('/', parent);
                if (parent < 0) {
                    result = result.substring(idx + 4);