private void ImportURLsBtn_Click(object sender, EventArgs e)
{
var 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 (var file in ofd.FileNames)
{
using (var fs = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) //IMP: Add Exception Checks
using (var 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.Concat($"A total of {URLMgr.Count} URLs have been imported for scraping.",
badUrls > 0 ? $"\n{badUrls} URLs seem to be invalid and were thus omitted." : string.Empty),
"Import URLs", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}