StringBuilder paramValue = new StringBuilder();
        pos = findNextParameter(pos, contentType, paramName, paramValue);
        while (pos != -1) {
            if (paramName.toString().equals("charset") && paramValue.length() > 0) {
                return Charset.forName(paramValue.toString());
            }
            pos = findNextParameter(pos, contentType, paramName, paramValue);
        }
        return defaultEncoding;