// Creates a new thread, runs the program in that thread, and reports any errors as needed. private void run(String clazz) { try { // Makes sure the JVM resets if it's already running. if (JVMrunning) kill(); // Some String constants for java path and OS-specific separators. String separator = System.getProperty("file.separator"); String path = System.getProperty("java.home") + separator + "bin" + separator + "java"; // Tries to run compiled code. ProcessBuilder builder = new ProcessBuilder(path, clazz); // Should be good now! Everything past this is on you. Don't mess it up. println( "Build succeeded on " + java.util.Calendar.getInstance().getTime().toString(), progErr); println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~", progErr); JVM = builder.start(); // Note that as of right now, there is no support for input. Only output. Reader errorReader = new InputStreamReader(JVM.getErrorStream()); Reader outReader = new InputStreamReader(JVM.getInputStream()); // Writer inReader = new OutputStreamWriter(JVM.getOutputStream()); redirectErr = redirectIOStream(errorReader, err); redirectOut = redirectIOStream(outReader, out); // redirectIn = redirectIOStream(null, inReader); } catch (Exception e) { // This catches any other errors we might get. println("Some error thrown", progErr); logError(e.toString()); displayLog(); return; } }
// Kills the JVM process and any active threads on it. private void kill() { if (redirectErr != null) { redirectErr.close(); redirectErr.interrupt(); } if (redirectOut != null) { redirectOut.close(); redirectOut.interrupt(); } if (JVM != null) { JVM.destroy(); JVM = null; } JVMrunning = false; }
// Kills the JVM process and any active threads on it. private void kill() { if (redirectErr != null) { redirectErr.close(); redirectErr.interrupt(); } if (redirectOut != null) { redirectOut.close(); redirectOut.interrupt(); } if (JVM != null) { JVM.destroy(); JVM = null; } JVMrunning = false; println("JVM reset on " + java.util.Calendar.getInstance().getTime().toString(), progErr); }