Class ExceptionHandler

ij/src/main/java/ij/ImageJ.java:1069–1098

Handles exceptions on the EDT.

  /** Handles exceptions on the EDT. */
  public static class ExceptionHandler implements Thread.UncaughtExceptionHandler {

    // for EDT exceptions
    public void handle(Throwable thrown) {
      handleException(Thread.currentThread().getName(), thrown);
    }

    // for other uncaught exceptions
    public void uncaughtException(Thread thread, Throwable thrown) {
      handleException(thread.getName(), thrown);
    }

	@AstroImageJ(reason = "Duplicate stacktrace to log file", modified = true)
    protected void handleException(String tname, Throwable e) {
    	if (Macro.MACRO_CANCELED.equals(e.getMessage()))
			return;
		CharArrayWriter caw = new CharArrayWriter();
		PrintWriter pw = new PrintWriter(caw);
		e.printStackTrace(pw);
		String s = caw.toString();
		if (s!=null && s.contains("ij.")) {
			if (IJ.getInstance()!=null)
				s = IJ.getInstance().getInfo()+"\n"+s;
			IJ.log(s);
		}

		e.printStackTrace();
    }

  } // inner class ExceptionHandler
}