Update schedulers to use process's executable path for invocation

src/main/java/name/nathanmcrae/numbersstation/LinuxScheduler.java

@@ -5,6 +5,8 @@ import com.leakyabstractions.result.core.Results;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 import java.io.Writer;
+import java.lang.management.ManagementFactory;
+import java.lang.ProcessHandle;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -140,8 +142,12 @@ public class LinuxScheduler {
                 throw new CronExpressionException("Message period not implemented: '" + settings.getMessagePeriod() + "'");
         }
 
-        // TODO: figure out actual invocation
-        return scheduleString + " /home/nathanmcrae/personal_root/projects/numbers-station/run.sh --station \"" + settings.getName() + "\"";
+        String processName = ManagementFactory.getRuntimeMXBean().getName();
+        long pid = Long.parseLong(processName.split("@")[0]);
+        ProcessHandle currentProcess = ProcessHandle.of(pid).orElseThrow();
+        Path executablePath = currentProcess.info().command().map(Paths::get).orElseThrow();
+        logger.info("Executable Path: " + executablePath);
+        return scheduleString + " " + executablePath.toString() + " --station \"" + settings.getName() + "\"";
     }
 
     public static class CronExpressionException extends Exception {

src/main/java/name/nathanmcrae/numbersstation/Main.java

@@ -115,6 +115,12 @@ public class Main extends Application {
     public static void main(String[] args) {
         MainParsedArguments parsedArgs = new MainParsedArguments(args);
 
+        if (parsedArgs.getParseException() != null) {
+            logger.log(Level.SEVERE, "Failed when parsing arguments", parsedArgs.getParseException());
+            parsedArgs.printHelp();
+            System.exit(0);
+        }
+
         if (parsedArgs.getHelpFlag()) {
             parsedArgs.printHelp();
             System.exit(0);

src/main/java/name/nathanmcrae/numbersstation/WindowsScheduler.java

@@ -7,8 +7,11 @@ import java.io.BufferedWriter;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStreamReader;
+import java.lang.management.ManagementFactory;
+import java.lang.ProcessHandle;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.logging.Logger;
@@ -215,13 +218,19 @@ public class WindowsScheduler {
         Element exec = doc.createElement("Exec");
         actions.appendChild(exec);
 
+        String processName = ManagementFactory.getRuntimeMXBean().getName();
+        long pid = Long.parseLong(processName.split("@")[0]);
+        ProcessHandle currentProcess = ProcessHandle.of(pid).orElseThrow();
+        Path executablePath = currentProcess.info().command().map(Paths::get).orElseThrow();
+        logger.info("Executable Path: " + executablePath);
+
         Element command = doc.createElement("Command");
         // TODO: need to figure out the real invocation
-        command.appendChild(doc.createTextNode("powershell"));
+        command.appendChild(doc.createTextNode(executablePath.toString()));
         exec.appendChild(command);
 
         Element arguments = doc.createElement("Arguments");
-        arguments.appendChild(doc.createTextNode("-Version 5 -NoProfile -File P:/personal_root/projects/numbers-station/run.ps1 --station \"" + station.getName() + "\""));
+        arguments.appendChild(doc.createTextNode("--station \"" + station.getName() + "\""));
         exec.appendChild(arguments);
 
         return doc;