public FTPDownloadClient(FTPClientManager manager)
{
if (manager == null)
{
throw new ArgumentNullException("FTPClientManager cannot be null.");
}
this.manager = manager;
}
public FTPDownloadClient(FTPClientManager manager)
{
if (manager == null)
{
throw new ArgumentNullException("FTPClientManager cannot be null.");
}
this.manager = manager;
}
void Connect(string urlStr)
{
try
{
Uri url = new Uri(urlStr);
// The schema of url must be ftp.
if (!url.Scheme.Equals("ftp", StringComparison.OrdinalIgnoreCase))
{
throw new ApplicationException("The schema of url must be ftp. ");
}
// Set the url to the folder that contains this file.
if (url.IsFile)
{
url = new Uri(url, "..");
}
// Show the Form UICredentialsProvider to get new Credentials.
using (UICredentialsProvider provider =
new UICredentialsProvider(this.currentCredentials))
{
// Show the Form UICredentialsProvider as a dialog.
var result = provider.ShowDialog();
// If user typed the Credentials and pressed the "OK" button.
if (result == System.Windows.Forms.DialogResult.OK)
{
// Reset the current Credentials.
this.currentCredentials = provider.Credentials;
}
else
{
return;
}
}
// Initialize the FTPClient instance.
client = new FTPClientManager(url, currentCredentials);
client.UrlChanged += new EventHandler(client_UrlChanged);
client.StatusChanged += new EventHandler(client_StatusChanged);
client.ErrorOccurred += new EventHandler <ErrorEventArgs>(client_ErrorOccurred);
client.FileDownloadCompleted +=
new EventHandler <FileDownloadCompletedEventArgs>(client_FileDownloadCompleted);
client.NewMessageArrived +=
new EventHandler <NewMessageEventArg>(client_NewMessageArrived);
// List the sub directories and files.
RefreshSubDirectoriesAndFiles();
}
catch (System.Net.WebException webEx)
{
if ((webEx.Response as FtpWebResponse).StatusCode == FtpStatusCode.NotLoggedIn)
{
// Reconnect the server.
Connect(urlStr);
return;
}
else
{
MessageBox.Show(webEx.Message);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
void Connect(string urlStr)
{
try
{
Uri url = new Uri(urlStr);
// URL的模式必须是FTP的.
if (!url.Scheme.Equals("ftp", StringComparison.OrdinalIgnoreCase))
{
throw new ApplicationException("URL的模式必须是FTP的. ");
}
// 把这个url转到这个文件夹并且这个文件夹包括这个文件。
if (url.IsFile)
{
url = new Uri(url, "..");
}
//显示窗体UICredentialsProvider获得新的凭据.
using (UICredentialsProvider provider =
new UICredentialsProvider(this.currentCredentials))
{
// 显示UICredentialsProvider作为一个对话框.
var result = provider.ShowDialog();
// 如果用户输入了凭据并且按下了 "确定" 按钮.
if (result == System.Windows.Forms.DialogResult.OK)
{
//重置当前的凭据.
this.currentCredentials = provider.Credentials;
}
else
{
return;
}
}
// 初始化FTPClient实例.
client = new FTPClientManager(url, currentCredentials);
client.UrlChanged += new EventHandler(client_UrlChanged);
client.StatusChanged += new EventHandler(client_StatusChanged);
client.ErrorOccurred += new EventHandler <ErrorEventArgs>(client_ErrorOccurred);
client.FileDownloadCompleted +=
new EventHandler <FileDownloadCompletedEventArgs>(client_FileDownloadCompleted);
client.NewMessageArrived +=
new EventHandler <NewMessageEventArg>(client_NewMessageArrived);
// 子目录和文件的列表.
RefreshSubDirectoriesAndFiles();
}
catch (System.Net.WebException webEx)
{
if ((webEx.Response as FtpWebResponse).StatusCode == FtpStatusCode.NotLoggedIn)
{
//重新连接服务器。
Connect(urlStr);
return;
}
else
{
MessageBox.Show(webEx.Message);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
void Connect(string urlStr)
{
try
{
Uri url = new Uri(urlStr);
// URL的模式必须是FTP的.
if (!url.Scheme.Equals("ftp", StringComparison.OrdinalIgnoreCase))
{
throw new ApplicationException("URL的模式必须是FTP的. ");
}
// 把这个url转到这个文件夹并且这个文件夹包括这个文件。
if (url.IsFile)
{
url = new Uri(url, "..");
}
//显示窗体UICredentialsProvider获得新的凭据.
using (UICredentialsProvider provider =
new UICredentialsProvider(this.currentCredentials))
{
// 显示UICredentialsProvider作为一个对话框.
var result = provider.ShowDialog();
// 如果用户输入了凭据并且按下了 "确定" 按钮.
if (result == System.Windows.Forms.DialogResult.OK)
{
//重置当前的凭据.
this.currentCredentials = provider.Credentials;
}
else
{
return;
}
}
// 初始化FTPClient实例.
client = new FTPClientManager(url, currentCredentials);
client.UrlChanged += new EventHandler(client_UrlChanged);
client.StatusChanged += new EventHandler(client_StatusChanged);
client.ErrorOccurred += new EventHandler<ErrorEventArgs>(client_ErrorOccurred);
client.FileDownloadCompleted +=
new EventHandler<FileDownloadCompletedEventArgs>(client_FileDownloadCompleted);
client.NewMessageArrived +=
new EventHandler<NewMessageEventArg>(client_NewMessageArrived);
// 子目录和文件的列表.
RefreshSubDirectoriesAndFiles();
}
catch (System.Net.WebException webEx)
{
if ((webEx.Response as FtpWebResponse).StatusCode == FtpStatusCode.NotLoggedIn)
{
//重新连接服务器。
Connect(urlStr);
return;
}
else
{
MessageBox.Show(webEx.Message);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
