/// <summary>
/// serialize a Quantler tick file filter
/// </summary>
/// <param name="tff"></param>
/// <returns></returns>
public static string Serialize(TickFileFilter tff)
{
// save everything as xml
StringWriter fs;
try
{
XmlSerializer xs = new XmlSerializer(typeof(TickFileFilter));
fs = new StringWriter();
xs.Serialize(fs, tff);
fs.Close();
}
catch (FileNotFoundException)
{
return(string.Empty);
}
catch (Exception)
{
return(string.Empty);
}
if (fs == null)
{
return("");
}
return(fs.GetStringBuilder().ToString());
}
/// <summary>
/// save tickfilefilter to a file
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
public static TickFileFilter FromFile(string filename)
{
StreamReader sr = new StreamReader(filename);
string msg = sr.ReadToEnd();
TickFileFilter tff = Deserialize(msg);
return(tff);
}
/// <summary>
/// restore a filter from a file
/// </summary>
/// <param name="tff"></param>
/// <param name="filename"></param>
/// <returns></returns>
public static bool ToFile(TickFileFilter tff, string filename)
{
try
{
StreamWriter sw = new StreamWriter(filename, false)
{
AutoFlush = true
};
sw.WriteLine(Serialize(tff));
sw.Close();
}
catch (Exception) { return(false); }
return(true);
}
/// <summary>
/// take a serialized tickfilefilter and convert back to an object
/// </summary>
/// <param name="msg"></param>
/// <returns></returns>
public static TickFileFilter Deserialize(string msg)
{
TickFileFilter tf = null;
try
{
// prepare serializer
XmlSerializer xs = new XmlSerializer(typeof(TickFileFilter));
// read in message
var fs = new StringReader(msg);
// deserialize message
tf = (TickFileFilter)xs.Deserialize(fs);
// close serializer
fs.Close();
}
catch (FileNotFoundException) { }
catch (Exception)
{
// ignored
}
return(tf);
}
