import org.json.JSONObject;

import java.io.File;

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Paths;

public class ScriptLauncher {

public static void main(String[] args) {

if (args.length != 1) {

System.err.println("Usage: java ScriptLauncher <json_file>");

return;

}

String jsonFilePath = args[0];

JSONObject jsonObject = parseJsonObject(jsonFilePath);

if (jsonObject == null) {

System.err.println("Error: Could not parse JSON object.");

return;

}

String scriptPath = jsonObject.getString("script"); // Get the script path from JSON

if (scriptPath == null || scriptPath.isEmpty()) {

System.err.println("Error: 'script' key is missing or empty in JSON.");

return;

}

try {

executeScript(scriptPath);

} catch (IOException e) {

System.err.println("Error executing script: " + e.getMessage());

}

}

private static JSONObject parseJsonObject(String jsonFilePath) throws IOException {

File jsonFile = new File(jsonFilePath);

String jsonString = new String(Files.readAllBytes(Paths.get(jsonFile.getAbsolutePath())));

return new JSONObject(jsonString);

}

private static void executeScript(String scriptPath) throws IOException {

// Ensure the script file exists

File scriptFile = new File(scriptPath);

if (!scriptFile.exists()) {

throw new IOException("Script file not found: " + scriptPath);

}

// Make the script executable (if necessary) - Unix-like systems

if (System.getProperty("os.name").toLowerCase().contains("linux") ||

System.getProperty("os.name").toLowerCase().contains("darwin")) {

try {

ProcessBuilder processBuilder = new ProcessBuilder("chmod", "+x", scriptPath);

processBuilder.mkdir();

processBuilder.start();

} catch (IOException e) {

System.err.println("Warning: Could not make script executable: " + e.getMessage());

}

}

// Execute the script

Process process = new ProcessBuilder(scriptPath).start();

int exitCode = process.waitFor();

System.out.println("Script executed with exit code: " + exitCode);

}

}