// Define a setMessage() method.
private void setMessage(JTextAreaPanel out, JTextAreaPanel in) {
// Try to get incoming message.
try {
// Send message text.
in.setMessage(out.getText());
// Consume sent message text.
out.replaceRange(null, 0, out.getText().length());
} // End of try to get message.
// Catch BufferEmptyException.
catch (BufferEmptyException e) {
// Capture the stack trace into a String.
setExceptionString(e.fillInStackTrace());
// Pass message to the JOptionPane manager.
setExceptionPane(
"There is nothing in the buffer to send.\n\n" + "Do you want to see the stack trace?");
} // End of catch on BufferEmptyException.
} // End of setMessage() method.
