Beispiel #1
0
        public void LoadNews()
        {
            if (_myTimer == null)
            {
                _myTimer          = new Timer();
                _myTimer.Interval = 1000;
                _myTimer.Tick    += MyTimerProcessor;
                _myTimer.Start();
            }

            _lastLoad        = DateTime.Now;
            _nextLoad        = _lastLoad.AddMinutes((double)refreshUpDown.Value);
            label2.Text      = _lastLoad.ToString("MMM-dd hh:mm tt");
            label2.ForeColor = Color.Green;
            //_lastLoadError = null;
            _templist = new List <NewsEvent>();
            try
            {
                // add a random query string to defeat server side caching.
                string urltweak = FfNewsUrl + "?x=" + Convert.ToString(DateTime.Now.Ticks);

                // ReSharper disable AccessToStaticMemberViaDerivedType
                HttpWebRequest newsReq = (HttpWebRequest)HttpWebRequest.Create(urltweak);
                // ReSharper restore AccessToStaticMemberViaDerivedType
                newsReq.CachePolicy = new HttpRequestCachePolicy(HttpRequestCacheLevel.Reload);

                // fetch the xml doc from the web server

                using (HttpWebResponse newsResp = (HttpWebResponse)newsReq.GetResponse()) // check that we got a valid reponse
                    if (newsResp != null && newsResp.StatusCode == HttpStatusCode.OK)
                    {
                        // read the response stream into and xml document
                        Stream       receiveStream = newsResp.GetResponseStream();
                        Encoding     encode        = Encoding.GetEncoding("utf-8");
                        StreamReader readStream    = new StreamReader(receiveStream, encode);
                        string       xmlString     = readStream.ReadToEnd();

                        XmlDocument newsDoc = new XmlDocument();
                        newsDoc.LoadXml(xmlString);

                        // build collection of events

                        int itemId = 0;

                        if (newsDoc.DocumentElement != null)
                        {
                            foreach (XmlNode xmlNode in newsDoc.DocumentElement.ChildNodes)
                            {
                                NewsEvent newsEvent = new NewsEvent();
                                newsEvent.Time = xmlNode.SelectSingleNode("time").InnerText;
                                if (string.IsNullOrEmpty(newsEvent.Time))
                                {
                                    continue; // ignore tentative events!
                                }
                                newsEvent.Date = xmlNode.SelectSingleNode("date").InnerText;
                                // assembly and convert event date/time to local time.
                                newsEvent.DateTimeLocal = DateTime.SpecifyKind(DateTime.Parse(newsEvent.Date + " " + newsEvent.Time, _ffDateTimeCulture), DateTimeKind.Utc).ToLocalTime();
                                // filter events based on settings...
                                DateTime startTime = DateTime.Now;
                                DateTime endTime   = startTime.AddDays(1);

                                // filter news events based on various property settings...
                                if (newsEvent.DateTimeLocal < startTime || (_todaysNewsOnly && newsEvent.DateTimeLocal.Date >= endTime.Date))
                                {
                                    continue;
                                }

                                newsEvent.ID      = ++itemId;
                                newsEvent.Country = xmlNode.SelectSingleNode("country").InnerText;

                                if (!checkedListBoxCountries.CheckedItems.Contains(newsEvent.Country.ToUpper()) && newsEvent.Country.ToUpper() != "ALL")
                                {
                                    continue;
                                }

                                newsEvent.Forecast = xmlNode.SelectSingleNode("forecast").InnerText;
                                newsEvent.Impact   = xmlNode.SelectSingleNode("impact").InnerText;

                                if ((!_impactLow && newsEvent.Impact.ToUpper() == "LOW") ||
                                    (!_impactMedium && newsEvent.Impact.ToUpper() == "MEDIUM") ||
                                    (!_impactHigh && newsEvent.Impact.ToUpper() == "HIGH"))
                                {
                                    continue;
                                }

                                newsEvent.Previous     = xmlNode.SelectSingleNode("previous").InnerText;
                                newsEvent.Title        = xmlNode.SelectSingleNode("title").InnerText;
                                newsEvent.AlertFired   = false;
                                newsEvent.AlertChecked = false;
                                _templist.Add(newsEvent);
                            }
                        }
                        ReconcileLists();
                        PopulateGlacialList(_list);
                    }
                    else // handle unexpected scenarios...
                    if (newsResp == null)
                    {
                        throw new Exception("Web response was null.");
                    }
                    else
                    {
                        throw new Exception(string.Format("Web response status code = {0}", newsResp.StatusCode));
                    }
            }
            catch (Exception)
            {
                //_lastLoadError = ex.Message;
                label2.Text      = "Unsuccesful";
                label2.ForeColor = Color.Red;
            }
        }
        public void LoadNews()
        {
            if (_myTimer == null)
            {
                _myTimer = new Timer();
                _myTimer.Interval = 1000;
                _myTimer.Tick += MyTimerProcessor;
                _myTimer.Start();
            }

            _lastLoad = DateTime.Now;
            _nextLoad = _lastLoad.AddMinutes((double)refreshUpDown.Value);
            label2.Text = _lastLoad.ToString("MMM-dd hh:mm tt");
            label2.ForeColor = Color.Green;
            //_lastLoadError = null;
            _templist = new List<NewsEvent>();
            try
            {
                // add a random query string to defeat server side caching.
                string urltweak = FfNewsUrl + "?x=" + Convert.ToString(DateTime.Now.Ticks);

                // ReSharper disable AccessToStaticMemberViaDerivedType
                HttpWebRequest newsReq = (HttpWebRequest)HttpWebRequest.Create(urltweak);
                // ReSharper restore AccessToStaticMemberViaDerivedType
                newsReq.CachePolicy = new HttpRequestCachePolicy(HttpRequestCacheLevel.Reload);

                // fetch the xml doc from the web server

                using (HttpWebResponse newsResp = (HttpWebResponse)newsReq.GetResponse()) // check that we got a valid reponse
                    if (newsResp != null && newsResp.StatusCode == HttpStatusCode.OK)
                    {
                        // read the response stream into and xml document
                        Stream receiveStream = newsResp.GetResponseStream();
                        Encoding encode = Encoding.GetEncoding("utf-8");
                        StreamReader readStream = new StreamReader(receiveStream, encode);
                        string xmlString = readStream.ReadToEnd();

                        XmlDocument newsDoc = new XmlDocument();
                        newsDoc.LoadXml(xmlString);

                        // build collection of events

                        int itemId = 0;

                        if (newsDoc.DocumentElement != null)
                            foreach (XmlNode xmlNode in newsDoc.DocumentElement.ChildNodes)
                            {
                                NewsEvent newsEvent = new NewsEvent();
                                newsEvent.Time = xmlNode.SelectSingleNode("time").InnerText;
                                if (string.IsNullOrEmpty(newsEvent.Time))
                                    continue; // ignore tentative events!
                                newsEvent.Date = xmlNode.SelectSingleNode("date").InnerText;
                                // assembly and convert event date/time to local time.
                                newsEvent.DateTimeLocal = DateTime.SpecifyKind(DateTime.Parse(newsEvent.Date + " " + newsEvent.Time, _ffDateTimeCulture), DateTimeKind.Utc).ToLocalTime();
                                // filter events based on settings...
                                DateTime startTime = DateTime.Now;
                                DateTime endTime = startTime.AddDays(1);

                                // filter news events based on various property settings...
                                if (newsEvent.DateTimeLocal < startTime || (_todaysNewsOnly && newsEvent.DateTimeLocal.Date >= endTime.Date))
                                    continue;

                                newsEvent.ID = ++itemId;
                                newsEvent.Country = xmlNode.SelectSingleNode("country").InnerText;

                                if (!checkedListBoxCountries.CheckedItems.Contains(newsEvent.Country.ToUpper()) && newsEvent.Country.ToUpper() != "ALL")
                                    continue;

                                newsEvent.Forecast = xmlNode.SelectSingleNode("forecast").InnerText;
                                newsEvent.Impact = xmlNode.SelectSingleNode("impact").InnerText;

                                if ((!_impactLow && newsEvent.Impact.ToUpper() == "LOW")
                                    || (!_impactMedium && newsEvent.Impact.ToUpper() == "MEDIUM")
                                    || (!_impactHigh && newsEvent.Impact.ToUpper() == "HIGH"))
                                    continue;

                                newsEvent.Previous = xmlNode.SelectSingleNode("previous").InnerText;
                                newsEvent.Title = xmlNode.SelectSingleNode("title").InnerText;
                                newsEvent.AlertFired = false;
                                newsEvent.AlertChecked = false;
                                _templist.Add(newsEvent);
                            }
                        ReconcileLists();
                        PopulateGlacialList(_list);
                    }
                    else // handle unexpected scenarios...
                        if (newsResp == null)
                            throw new Exception("Web response was null.");
                        else
                            throw new Exception(string.Format("Web response status code = {0}", newsResp.StatusCode));
            }
            catch (Exception)
            {
                //_lastLoadError = ex.Message;
                label2.Text = "Unsuccesful";
                label2.ForeColor = Color.Red;
            }
        }