follesoe · December 24, 2010 14:42
diff --git a/ProtocolListener.cs b/ProtocolListener.cs
        /// <summary>
        /// Starts the Http Listener on a background thread.
        /// </summary>
        private void StartHttpListener()
        {
            if (HttpListener.IsSupported)
            {
                try
                {
                    //Creates a HttpListener with two urls for RSS and HTML.
                    HttpListener listener = new HttpListener();
                    listener.Prefixes.Add("http://localhost:8080/taskfeed/");
                    listener.Prefixes.Add("http://localhost:8080/taskhtml/");
                    listener.Start();
                    while (true)
                    {
                        HttpListenerContext context = listener.GetContext();
                        HttpListenerRequest request = context.Request;
                        HttpListenerResponse response = context.Response;

                        //Checks if the user is requesting the HTML page or the RSS feed.
                        if (context.Request.RawUrl.EndsWith("feed"))
                        {
                            //Renders the RSS feed.
                            context.Response.ContentType = "application/xml";

                            XmlTextWriter xmlWriter = new XmlTextWriter(context.Response.OutputStream, Encoding.UTF8);
                            xmlWriter.WriteStartDocument();
                            xmlWriter.WriteStartElement("rss");
                            xmlWriter.WriteAttributeString("version", "2.0");
                            xmlWriter.WriteStartElement("channel");
                            xmlWriter.WriteElementString("title", "HelpDesk Application - Open Requests");
                            xmlWriter.WriteElementString("description", "An RSS feed of open HelpDesk Requests. Can be used by gadgets, feed readers etc.");
                            xmlWriter.WriteElementString("link", "http://localhost:8080/taskhtml/");
                            foreach (HelpDeskRequest hr in logic.RequestDatabase)
                            {
                                if (!hr.Closed)
                                {
                                    xmlWriter.WriteStartElement("item");
                                    xmlWriter.WriteElementString("guid", hr.ID.ToString());
                                    xmlWriter.WriteElementString("title", hr.Subject);
                                    xmlWriter.WriteElementString("link", "helpdesk://open?id=" + hr.ID.ToString());
                                    xmlWriter.WriteElementString("pubDate", hr.Date.ToString("r"));
                                    xmlWriter.WriteEndElement();
                                }
                            }
                            xmlWriter.WriteEndElement();
                            xmlWriter.WriteEndElement();
                            xmlWriter.WriteEndDocument();
                            xmlWriter.Flush();
                            xmlWriter.Close();
                        }
                        else
                        {
                            //Renders the HTML page.
                            context.Response.ContentType = "text/html";
                            StringBuilder sb = new StringBuilder();
                            sb.Append("<html><head><title>HelpDesk Application</title>");
                            sb.Append("<link rel='alternate' type='application/rss+xml' title='HelpDesk Request Feed' href='taskfeed' />");
                            sb.Append("<style>body { font-family: verdana; }</style></head><body>");

                            sb.Append("<h1 style='color: red;'>Open HelpDesk Requests</h1><ul>");
                            foreach (HelpDeskRequest openItem in logic.RequestDatabase.FindAll(delegate(HelpDeskRequest hr) { return !hr.Closed; }))
                            {
                                sb.Append(string.Format("<li><a href='helpdesk://open?id={0}'>{1}</a></li>", openItem.ID, openItem.Subject));
                            }

                            sb.Append("</ul><h1 style='color: green;'>Closed HelpDesk Requests</h1><ul>");
                            foreach (HelpDeskRequest closedItem in logic.RequestDatabase.FindAll(delegate(HelpDeskRequest hr) { return hr.Closed; }))
                            {
                                sb.Append(string.Format("<li><a href='helpdesk://open?id={0}'>{1}</a></li>", closedItem.ID, closedItem.Subject));
                            }
                            sb.Append("</ul></body></html>");

                            StreamWriter streamWriter = new StreamWriter(response.OutputStream);
                            streamWriter.WriteLine(sb.ToString());
                            streamWriter.Flush();
                            streamWriter.Dispose();
                        }
                        response.Close();
                    }
                }
                catch (Exception)
                {
                    MessageBox.Show("Unable to start HttpHandler. Are you running this application as an administrator?", "Running as administrator?", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }
	/// <summary>
	/// Starts the Http Listener on a background thread.
	/// </summary>
	private void StartHttpListener()
	{
	if (HttpListener.IsSupported)
	{
	try
	{
	//Creates a HttpListener with two urls for RSS and HTML.
	HttpListener listener = new HttpListener();
	listener.Prefixes.Add("http://localhost:8080/taskfeed/");
	listener.Prefixes.Add("http://localhost:8080/taskhtml/");
	listener.Start();
	while (true)
	{
	HttpListenerContext context = listener.GetContext();
	HttpListenerRequest request = context.Request;
	HttpListenerResponse response = context.Response;

	//Checks if the user is requesting the HTML page or the RSS feed.
	if (context.Request.RawUrl.EndsWith("feed"))
	{
	//Renders the RSS feed.
	context.Response.ContentType = "application/xml";

	XmlTextWriter xmlWriter = new XmlTextWriter(context.Response.OutputStream, Encoding.UTF8);
	xmlWriter.WriteStartDocument();
	xmlWriter.WriteStartElement("rss");
	xmlWriter.WriteAttributeString("version", "2.0");
	xmlWriter.WriteStartElement("channel");
	xmlWriter.WriteElementString("title", "HelpDesk Application - Open Requests");
	xmlWriter.WriteElementString("description", "An RSS feed of open HelpDesk Requests. Can be used by gadgets, feed readers etc.");
	xmlWriter.WriteElementString("link", "http://localhost:8080/taskhtml/");
	foreach (HelpDeskRequest hr in logic.RequestDatabase)
	{
	if (!hr.Closed)
	{
	xmlWriter.WriteStartElement("item");
	xmlWriter.WriteElementString("guid", hr.ID.ToString());
	xmlWriter.WriteElementString("title", hr.Subject);
	xmlWriter.WriteElementString("link", "helpdesk://open?id=" + hr.ID.ToString());
	xmlWriter.WriteElementString("pubDate", hr.Date.ToString("r"));
	xmlWriter.WriteEndElement();
	}
	}
	xmlWriter.WriteEndElement();
	xmlWriter.WriteEndElement();
	xmlWriter.WriteEndDocument();
	xmlWriter.Flush();
	xmlWriter.Close();
	}
	else
	{
	//Renders the HTML page.
	context.Response.ContentType = "text/html";
	StringBuilder sb = new StringBuilder();
	sb.Append("<html><head><title>HelpDesk Application</title>");
	sb.Append("<link rel='alternate' type='application/rss+xml' title='HelpDesk Request Feed' href='taskfeed' />");
	sb.Append("<style>body { font-family: verdana; }</style></head><body>");

	sb.Append("<h1 style='color: red;'>Open HelpDesk Requests</h1><ul>");
	foreach (HelpDeskRequest openItem in logic.RequestDatabase.FindAll(delegate(HelpDeskRequest hr) { return !hr.Closed; }))
	{
	sb.Append(string.Format("<li><a href='helpdesk://open?id={0}'>{1}</a></li>", openItem.ID, openItem.Subject));
	}

	sb.Append("</ul><h1 style='color: green;'>Closed HelpDesk Requests</h1><ul>");
	foreach (HelpDeskRequest closedItem in logic.RequestDatabase.FindAll(delegate(HelpDeskRequest hr) { return hr.Closed; }))
	{
	sb.Append(string.Format("<li><a href='helpdesk://open?id={0}'>{1}</a></li>", closedItem.ID, closedItem.Subject));
	}
	sb.Append("</ul></body></html>");

	StreamWriter streamWriter = new StreamWriter(response.OutputStream);
	streamWriter.WriteLine(sb.ToString());
	streamWriter.Flush();
	streamWriter.Dispose();
	}
	response.Close();
	}
	}
	catch (Exception)
	{
	MessageBox.Show("Unable to start HttpHandler. Are you running this application as an administrator?", "Running as administrator?", MessageBoxButtons.OK, MessageBoxIcon.Error);
	}
	}
	}