protected void runScript(String[] cmd, JTextArea txaMsg) { String strg = ""; if (cmd == null) return; Process prcs = null; try { Messages.postDebug("Running script: " + cmd[2]); Runtime rt = Runtime.getRuntime(); prcs = rt.exec(cmd); if (prcs == null) return; InputStream istrm = prcs.getInputStream(); if (istrm == null) return; BufferedReader bfr = new BufferedReader(new InputStreamReader(istrm)); while ((strg = bfr.readLine()) != null) { // System.out.println(strg); strg = strg.trim(); // Messages.postDebug(strg); strg = strg.toLowerCase(); if (txaMsg != null) { txaMsg.append(strg); txaMsg.append("\n"); } } } catch (Exception e) { // e.printStackTrace(); Messages.writeStackTrace(e); Messages.postDebug(e.toString()); } finally { // It is my understanding that these streams are left // open sometimes depending on the garbage collector. // So, close them. try { if (prcs != null) { OutputStream os = prcs.getOutputStream(); if (os != null) os.close(); InputStream is = prcs.getInputStream(); if (is != null) is.close(); is = prcs.getErrorStream(); if (is != null) is.close(); } } catch (Exception ex) { Messages.writeStackTrace(ex); } } }
// 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; } }