/// <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(); }