コード例 #1
0
    // 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;
      }
    }
コード例 #2
0
ファイル: Macro.java プロジェクト: bramk/bnd
  /**
   * System command. Execute a command and insert the result.
   *
   * @param args
   * @param help
   * @param patterns
   * @param low
   * @param high
   */
  public String system_internal(boolean allowFail, String args[]) throws Exception {
    verifyCommand(
        args,
        "${"
            + (allowFail ? "system-allow-fail" : "system")
            + ";<command>[;<in>]}, execute a system command",
        null,
        2,
        3);
    String command = args[1];
    String input = null;

    if (args.length > 2) {
      input = args[2];
    }

    Process process = Runtime.getRuntime().exec(command, null, domain.getBase());
    if (input != null) {
      process.getOutputStream().write(input.getBytes("UTF-8"));
    }
    process.getOutputStream().close();

    String s = IO.collect(process.getInputStream(), "UTF-8");
    int exitValue = process.waitFor();
    if (exitValue != 0) return exitValue + "";

    if (!allowFail && (exitValue != 0)) {
      domain.error("System command " + command + " failed with " + exitValue);
    }
    return s.trim();
  }
コード例 #3
0
ファイル: MynaInstaller.java プロジェクト: markporter/myna
  public static boolean exec(String cmd) throws Exception {
    int exitVal = -1;
    try {
      Runtime rt = Runtime.getRuntime();
      Process proc = rt.exec(new String[] {"/bin/bash", "-c", cmd});

      OutputHandler err = new OutputHandler(proc.getErrorStream(), cmd);
      err.start();

      OutputHandler out = new OutputHandler(proc.getInputStream(), cmd);
      out.start();

      exitVal = proc.waitFor();

    } catch (Throwable t) {
      t.printStackTrace();
    }
    return (exitVal == 0);
  }