private void importURLsBtn_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Title = "URLs To Scrape";
ofd.Filter = "Text Files|*.txt";
ofd.Multiselect = true;
if (ofd.ShowDialog() == DialogResult.OK)
{
URLMgr.Clear();
uint badUrls = 0;
foreach (string file in ofd.FileNames)
{
using (FileStream fs = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) //IMP: Add Exception Checks
using (StreamReader sr = new StreamReader(fs, Encoding.Default))
{
string url;
while ((url = sr.ReadLine()) != null)
{
if (Uri.IsWellFormedUriString(url, UriKind.Absolute) && !URLMgr.Contains(url))
{
URLMgr.Add(url);
}
else
{
badUrls++;
}
}
}
}
//Update UI
ScapePanelUI();
MessageBox.Show(string.Format("A total of {0} URLs have been imported for scraping.{1}", URLMgr.Count.ToString(),
badUrls > 0 ? string.Format("{0}{1} URLs seem to be invalid and were thus omitted.", Environment.NewLine, badUrls.ToString()) : ""),
"Import URLs", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}