/// <summary>
/// Receives an HTTP HEAD request from the protected
/// Service method and handles the
/// request.
/// The client sends a HEAD request when it wants
/// to see only the headers of a response, such as
/// Content-Type or Content-Length. The HTTP HEAD
/// method counts the output bytes in the response
/// to set the Content-Length header accurately.
///
/// If you override this method, you can avoid computing
/// the response body and just set the response headers
/// directly to improve performance. Make sure that the
/// DoHead method you write is both safe
/// and idempotent (that is, protects itself from being
/// called multiple times for one HTTP HEAD request).
///
/// If the HTTP HEAD request is incorrectly formatted,
/// DoHead returns an HTTP "Bad Request"
/// message.
/// </summary>
/// <param name="req">the request object that is passed to the servlet</param>
/// <param name="resp">the response object that the servlet uses to return the headers to the clien</param>
/// <exception cref="IOException">if an input or output error occurs</exception>
/// <exception cref="ServletException">if the request for the HEAD could not be handled</exception>
protected void DoHead(IHttpServletRequest req, IHttpServletResponse resp)
{
NoBodyResponse response = new NoBodyResponse(resp);
DoGet(req, (IHttpServletResponse)response);
response.SetContentLength();
}
/// <summary>
/// Receives an HTTP HEAD request from the protected
/// Service method and handles the
/// request.
/// The client sends a HEAD request when it wants
/// to see only the headers of a response, such as
/// Content-Type or Content-Length. The HTTP HEAD
/// method counts the output bytes in the response
/// to set the Content-Length header accurately.
///
/// If you override this method, you can avoid computing
/// the response body and just set the response headers
/// directly to improve performance. Make sure that the
/// DoHead method you write is both safe
/// and idempotent (that is, protects itself from being
/// called multiple times for one HTTP HEAD request).
///
/// If the HTTP HEAD request is incorrectly formatted,
/// DoHead returns an HTTP "Bad Request"
/// message.
/// </summary>
/// <param name="req">the request object that is passed to the servlet</param>
/// <param name="resp">the response object that the servlet uses to return the headers to the clien</param>
/// <exception cref="IOException">if an input or output error occurs</exception>
/// <exception cref="ServletException">if the request for the HEAD could not be handled</exception>
protected void DoHead(IHttpServletRequest req, IHttpServletResponse resp)
{
NoBodyResponse response = new NoBodyResponse(resp);
DoGet(req, (IHttpServletResponse)response);
response.SetContentLength();
}
