class ResponseValues {

    public String getHeaderValue(String name)
    {
        String value = null;

        if (myHeader != null)
        {
            String key = name != null ? name.toLowerCase() : null;
            Collection<String> values = myHeader.get(key);

            if (values != null)
            {
                value = StringUtilities.join(",", values);
            }
        }

        return value;
    }

}