public CmdLineArgs ParseArguments(string[] args)
{
CmdLineArgs cmdLineArgs = new CmdLineArgs();
if (args.Length != 0)
{
if (IfElementExist(args, "--help"))
{
cmdLineArgs.isHelp = true;
}
else if (args.Length % 2 != 0)
{
throw new ArgumentException("Error: Missing argument or value");
}
else
{
for (var i = 0; i < args.Length; i += 2)
{
switch (args[i])
{
case "--log-level":
ValidateLogLevelValue(args[i + 1]);
cmdLineArgs.logLevel.Add(args[i + 1]);
break;
case "--log-dir":
ValidateLogDir(args[i + 1]);
cmdLineArgs.logDir = args[i + 1];
break;
case "--csv":
cmdLineArgs.csvFile = args[i + 1];
break;
default:
throw new ArgumentException($"Error: {args[i]} is not a valid argument!");
}
}
}
}
else
{
throw new ArgumentException("Error: No arguments provided!");
}
return(cmdLineArgs);
}
static void Main(string[] args)
{
CmdLineArgsParser cmdArgParser = new CmdLineArgsParser();
CmdLineArgs cmdLineArgs = new CmdLineArgs();
try
{
cmdLineArgs = cmdArgParser.ParseArguments(args);
if (cmdLineArgs.isHelp)
{
Console.WriteLine(Usage.usage());
}
else
{
LogsToCSVConvertor logsToCSVConvertor = new LogsToCSVConvertor();
try {
logsToCSVConvertor.ConvertLogsToCsv(cmdLineArgs);
}
catch (Exception e) {
Console.WriteLine(e.Message);
}
}
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
Console.WriteLine(Usage.usage());
}
catch (DirectoryNotFoundException e)
{
Console.WriteLine(e.Message);
}
catch (InvalidLogLevelException e)
{
Console.WriteLine(e.Message);
Console.WriteLine(Usage.usage());
}
}
// string debugRegex = @"([0-9]{2}\/[0-9]{2})\s([0-9]{2}:[0-9]{2}:[0-9]{2})\s(DEBUG).*";
// string errorRegex = @"([0-9]{2}\/[0-9]{2})\s([0-9]{2}:[0-9]{2}:[0-9]{2})\s(ERROR).*";
// string warnRegex = @"([0-9]{2}\/[0-9]{2})\s([0-9]{2}:[0-9]{2}:[0-9]{2})\s(WARN).*";
public void ConvertLogsToCsv(CmdLineArgs args)
{
ParseFiles(args.logDir);
if (logFiles.Count != 0)
{
int counter = 0;
foreach (string file in logFiles)
{
using (StreamReader inFile = new StreamReader(file)) {
string ln;
while ((ln = inFile.ReadLine()) != null)
{
Regex r = new Regex(infoRegex);
Match m = r.Match(ln);
if (m.Success)
{
Group date = m.Groups[1];
Group time = m.Groups[2];
Group level = m.Groups[3];
Group text = m.Groups[4];
counter++;
using (StreamWriter outFile = File.AppendText(args.csvFile))
{
outFile.WriteLine($"\"{counter}\",\"{date}\",\"{time}\",\"{level}\",\"{text}\"");
}
}
}
}
}
}
else
{
throw new Exception($"No log files found under directory {args.logDir}");
}
}