🚀 go-pugleaf

Bill Freiberg wrote:

> I am writing an app which will need to execute a non-java program on
> my
> WIN95 client. I looked thru several java books for examples on using
> JNI,
> and while some books did contain examples, they were not clear. I do
> not
> have a C background so I am sure that this is contributing to my
> confusion.
> Can anyone provide a simple example of execution  mynonjava.exe in a
> java
> app. Any and all help would be GREATLY appreciated.

A simple way to execute follows. This synchronizes the call, async is
even easier.


/************************************************************************

  Purpose:   Synchronously run arbitrary commands at the system level
  Accepts:   commandToRun
  Returns:   n/a
  Notes:     Runs synchronously - blocks calling thread until finished

*************************************************************************/

  public static void shellSync(String commandToRun) {
    try {
      Process p = Runtime.getRuntime().exec(commandToRun);
      p.waitFor();
      p.destroy();
    }
    catch (InterruptedException e1) {
      // waitFor() was interrupted
      System.out.println(e1);
    }
    catch (Exception e2) {
      // something else happened
      System.out.println(e2);
    }
  }