Parsing object from text file c#

class Program
{
    static void Main(string[] args)
    {
        var servers = new Dictionary<string, Server>(); // parse results are here
        using (var fs = File.OpenRead(@"G:\tmp\so\parse.txt")) {
            using (var reader = new StreamReader(fs)) {
                string line;
                Server current = null;                    
                while ((line = reader.ReadLine()) != null) {
                    // line break - end of server definition
                    if (String.IsNullOrWhiteSpace(line)) {
                        if (current != null) {
                            servers.Add(current.Name, current);
                            current = null;
                        }
                        continue;
                    }
                    var cidx = line.IndexOf(':'); // split by colon
                    if (cidx >= 0) {
                        var name = line.Substring(0, cidx).Trim();
                        var value = line.Substring(cidx + 1).Trim();
                        // ugly switch
                        switch (name) {
                            case "Server":
                                current = new Server() {Name = value};
                                break;
                            case "ERROR 0":
                                if (current == null)
                                    throw new Exception("Invalid line"); // more details here, just example
                                current.Error0 = int.Parse(value);
                                break;
                            case "ERROR 3":
                                if (current == null)
                                    throw new Exception("Invalid line"); // more details here, just example
                                current.Error3 = int.Parse(value);
                                break;
                            case "ERROR 4":
                                if (current == null)
                                    throw new Exception("Invalid line"); // more details here, just example
                                current.Error4 = int.Parse(value);
                                break;
                            case "ERROR 8":
                                if (current == null)
                                    throw new Exception("Invalid line"); // more details here, just example
                                current.Error8 = int.Parse(value);
                                break;
                            case "ERROR 9":
                                if (current == null)
                                    throw new Exception("Invalid line"); // more details here, just example
                                current.Error9 = int.Parse(value);
                                break;
                        }
                    }
                    else {
                        var tdix = line.IndexOf('|');
                        if (tdix >= 0) {
                            var name = line.Substring(0, tdix).Trim();
                            var value = line.Substring(tdix + 1).Trim();
                            if (servers.ContainsKey(name)) {
                                servers[name].CronJobErrors.Add(value);
                            }
                        }
                    }
                }
            }
        }            
    }        
}

Source: stackoverflow.com

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