/// <summary>
/// Creates the options file for the java consumer
/// </summary>
/// <param name="options"></param>
private static void WriteKCLPropertiesFile(KinesisConsumerOptions options)
{
//TODO: Check if the file exists. Potentially this will need to be removed once its complete
var kclTemplate = new StreamReader(new MemoryStream(Resources.kcl_properties)).ReadToEnd();
var kclFile = string.Format(kclTemplate, options.ConsumerProgramCommandLine, options.StreamName, options.ApplicationName, options.StartPosition.ToString(), options.RegionName);
File.WriteAllText(options.PropertiesFile, kclFile);
}
public static Process StartJavaSubscriptionProcess(KinesisConsumerOptions options)
{
options.PropertiesFile = string.Format("{0}.kcl.properties", options.StreamName.Replace(" ", "_"));
string javaClassPath = FetchJars(options.JarFolder);
string java = FindJava(options.JavaLocation);
if (java == null)
{
System.Console.Error.WriteLine(
"java could not be found. You may need to install it, or manually specify the path to it.");
Environment.Exit(2);
}
List <string> cmd = new List <string>()
{
java,
"-cp",
CleanFilePath(javaClassPath),
"software.amazon.kinesis.multilang.MultiLangDaemon",
"-p",
options.PropertiesFile
};
if (!string.IsNullOrEmpty(options.LogbackConfiguration))
{
cmd.Add("-l");
cmd.Add(options.LogbackConfiguration);
}
//Write the properties file before launching the process
WriteKCLPropertiesFile(options);
// Start the KCL.
Process proc = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = cmd[0],
Arguments = string.Join(" ", cmd.Skip(1)),
UseShellExecute = false
}
};
proc.Start();
return(proc);
}
