} else if (cmd.equals("paste")) {
            // Implement Paste operation
            Transferable content = clipboard.getContents(this);
            if (content != null) {
                try {
                    String dstData = (String)content.getTransferData(
                                                DataFlavor.stringFlavor);
                    text.append(dstData);
                } catch (Exception e) {
                    System.out.println("Couldn't get contents in format: "+
                       DataFlavor.stringFlavor.getHumanPresentableName()); 
                }
             }
        }
    }