/// <summary>
/// Converts a string to a class client proxy instance inherited from <see cref="ProxyClient"/>.
/// </summary>
/// <param name="proxyType">Proxy Type.</param>
/// <param name="proxyAddress">String type - host:port:username:password. The last three are optional.</param>
/// <returns>An instance of a client proxy, inherited from <see cref="ProxyClient"/>.</returns>
/// <exception cref="System.ArgumentNullException">parameter <paramref name="proxyAddress"/> equally <see langword="null"/>.</exception>
/// <exception cref="System.ArgumentException">parameter <paramref name="proxyAddress"/> It is an empty string.</exception>
/// <exception cref="System.FormatException">port format is wrong.</exception>
/// <exception cref="System.InvalidOperationException">Received an unsupported type of proxy server.</exception>
public static ProxyClient Parse(ProxyType proxyType, string proxyAddress)
{
#region Check settings
if (proxyAddress == null)
{
throw new ArgumentNullException("proxyAddress");
}
if (proxyAddress.Length == 0)
{
throw ExceptionHelper.EmptyString("proxyAddress");
}
#endregion
string[] values = proxyAddress.Split(':');
int port = 0;
string host = values[0];
if (values.Length >= 2)
{
#region Getting the port
try
{
port = int.Parse(values[1]);
}
catch (Exception ex)
{
if (ex is FormatException || ex is OverflowException)
{
throw new FormatException(
Resources.InvalidOperationException_ProxyClient_WrongPort, ex);
}
throw;
}
if (!ExceptionHelper.ValidateTcpPort(port))
{
throw new FormatException(
Resources.InvalidOperationException_ProxyClient_WrongPort);
}
#endregion
}
string username = null;
string password = null;
if (values.Length >= 3)
{
username = values[2];
}
if (values.Length >= 4)
{
password = values[3];
}
return(ProxyHelper.CreateProxyClient(proxyType, host, port, username, password));
}