/** * Called when the selection changed in the tree. Loads the selected certificate. * * @param e the event */ private void valueChangedPerformed(TreeSelectionEvent e) { Object o = e.getNewLeadSelectionPath().getLastPathComponent(); if (o instanceof DefaultMutableTreeNode) { DefaultMutableTreeNode node = (DefaultMutableTreeNode) o; infoTextPane.setText(toString(node.getUserObject())); } }