void FinishWebRequest(IAsyncResult result)
{
HttpWebRequestWithFile request = result.AsyncState as HttpWebRequestWithFile;
HttpWebResponse response = request.Request.EndGetResponse(result) as HttpWebResponse;
if (response.StatusCode == HttpStatusCode.OK)
{
using (Stream fd = File.Create(request.FileName))
using (Stream responseStream = new GZipStream(response.GetResponseStream(), CompressionMode.Decompress))
{
byte[] buffer = new byte[1024];
int nRead;
while ((nRead = responseStream.Read(buffer, 0, buffer.Length)) > 0)
{
fd.Write(buffer, 0, nRead);
}
//Invoke(new EventHandle{progressBar.Value++;});
Thread.Sleep(request.Delay);
progressBar.Invoke(new Action(() => progressBar.Value++));
if (progressBar.Value == progressBar.Maximum)
{
Thread.Sleep(1000);
FinishLoading();
}
}
}
else
{
MessageBox.Show("Nu s-a putut incarca populatia", "Eroare", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void Form1_Load(object sender, EventArgs e)
{
try
{
requestPopulation = new HttpWebRequestWithFile();
requestPopulation.Request = (HttpWebRequest)WebRequest.Create("https://ec.europa.eu/eurostat/estat-navtree-portlet-prod/BulkDownloadListing?file=data/demo_pjan.tsv.gz");
requestPopulation.Request.Accept = "*/*";
requestPopulation.Request.Host = "ec.europa.eu";
requestPopulation.FileName = "population.txt";
requestPopulation.Delay = 1000;
requestPopulation.Request.BeginGetResponse(new AsyncCallback(FinishWebRequest), requestPopulation);
requestMortality = new HttpWebRequestWithFile();
requestMortality.Request = (HttpWebRequest)WebRequest.Create("https://ec.europa.eu/eurostat/estat-navtree-portlet-prod/BulkDownloadListing?file=data/demo_magec.tsv.gz");
requestMortality.Request.Accept = "*/*";
requestMortality.Request.Host = "ec.europa.eu";
requestMortality.FileName = "mortality.txt";
requestMortality.Delay = 1500;
requestMortality.Request.BeginGetResponse(new AsyncCallback(FinishWebRequest), requestMortality);
requestNewBorns = new HttpWebRequestWithFile();
requestNewBorns.Request = (HttpWebRequest)WebRequest.Create("https://ec.europa.eu/eurostat/estat-navtree-portlet-prod/BulkDownloadListing?file=data/demo_fasec.tsv.gz");
requestNewBorns.Request.Accept = "*/*";
requestNewBorns.Request.Host = "ec.europa.eu";
requestNewBorns.FileName = "newBorns.txt";
requestNewBorns.Delay = 2000;
requestNewBorns.Request.BeginGetResponse(new AsyncCallback(FinishWebRequest), requestNewBorns);
}
catch (Exception ex)
{
try
{
FinishLoading();
}
catch (Exception ex1)
{
}
this.Invoke(new Action(() => MessageBox.Show("Nu s-a putut realiza conexiunea cu baza de date EUROSTAT!", "Atentionare", MessageBoxButtons.OK, MessageBoxIcon.Warning)));
}
}