/// <summary> /// The page is initialised. /// </summary> /// <param name="pageContext">The page content.</param> public abstract void OnInit(HttpPageContext pageContext);
/// <summary> /// The page is loading. /// </summary> /// <param name="pageContext">The page content.</param> public abstract void OnLoad(HttpPageContext pageContext);
/// <summary> /// The pre-process event. /// </summary> /// <param name="pageContext">The page content.</param> public abstract void OnPreProcess(HttpPageContext pageContext);
/// <summary>
/// The page hierachy initialiser.
/// </summary>
/// <param name="page">The current page instance.</param>
/// <param name="urlFilePath">The local file name and full path of the resource.</param>
/// <param name="context">Provides access to the request and response objects.</param>
public static void PageInitialiser(HttpPageBase page, string urlFilePath, IHttpContext context)
{
// Make sure that the page exists.
if (page != null)
{
System.IO.Stream outputResponse = null;
System.IO.Stream inputRequest = null;
try
{
// Create a new page context.
HttpPageContext pageContext = new HttpPageContext();
pageContext.IsValid = true;
pageContext.OverrideRequestResponse = false;
pageContext.ProcessOnPostBack = true;
// Assign the initial values.
page.Request = context.HttpContext.Request;
page.Response = context.HttpContext.Response;
page.IsPostBack = context.ActiveProcess.IsPostBack;
page.UrlFilePath = urlFilePath;
page.User = context.HttpContext.User;
// Execute the page hierachy.
page.OnInit(pageContext);
// If true then continue
if (pageContext.IsValid)
{
// Assign the current active processing.
page.ActiveProcessing = context.ActiveProcess;
// Execute the pre-processing event.
page.OnPreProcess(pageContext);
if (pageContext.ProcessOnPostBack)
{
// If post back.
if (context.ActiveProcess.IsPostBack)
{
// Get all the post back data.
context.ActiveProcess.ProcessPostBack(page.Request, page.UploadDirectory);
page.Form = context.ActiveProcess.Form;
page.UploadFiles = context.ActiveProcess.UploadFiles;
}
}
// Execute the page load event.
page.OnLoad(pageContext);
if (!pageContext.OverrideRequestResponse)
{
// If alternative content is to be sent.
if (page.AlternativeContent != null)
{
// Get the request, response stream.
outputResponse = context.HttpContext.Response.OutputStream;
// Transfer the data to the client.
inputRequest = HttpResponseContent.CreateResponseStream(page.AlternativeContent);
HttpResponseContent.TransferResponse(inputRequest, outputResponse);
}
else
{
// Get the request, response stream.
outputResponse = context.HttpContext.Response.OutputStream;
// Get the response html. Create the response. Transfer the data.
byte[] responseResourceHtmlData = HttpResponseContent.ResourceFound(context.HttpContext.Response, context.ActiveProcess,
urlFilePath, System.IO.Path.GetExtension(urlFilePath).TrimStart('.'));
// Transfer the data to the client.
inputRequest = HttpResponseContent.CreateResponseStream(responseResourceHtmlData);
HttpResponseContent.TransferResponse(inputRequest, outputResponse);
}
}
}
}
catch (Exception)
{
throw;
}
finally
{
try
{
if (inputRequest != null)
{
inputRequest.Close();
}
}
catch (Exception ex) { page.Exception = ex; }
try
{
if (outputResponse != null)
{
outputResponse.Close();
}
}
catch (Exception ex) { page.Exception = ex; }
}
}
}
