Download - Svetlin Nakov

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.filechooser.FileFilter;
import java.io.*;
import java.util.Properties;
/**
* Dialog for choosing PKCS#11 implementation library file and PIN code for accessing
* the smart card. Allows the user to choose a PKCS#11 library file (.dll / .so) and
* enter a PIN code for the smart card. The last used library file name is remembered
* in the config file called ".smart_card_signer_applet.config" located in the user's
* home directory in order to be automatically shown the next time when the same user
* accesses this dialog.
*
* This file is part of NakovDocumentSigner digital document
* signing framework for Java-based Web applications:
* http://www.nakov.com/documents-signing/
*
* Copyright (c) 2005 by Svetlin Nakov - http://www.nakov.com
* All rights reserved. This code is freeware. It can be used
* for any purpose as long as this copyright statement is not
* removed or modified.
*/
public class PKCS11LibraryFileAndPINCodeDialog extends JDialog {
private static final String CONFIG_FILE_NAME=".smart_card_signer_applet.config";
private static final String PKCS11_LIBRARY_FILE_NAME_KEY="last-PKCS11-file-name";
private JButton mBrowseForLibraryFileButton = new JButton();
private JTextField mLibraryFileNameTextField = new JTextField();
private JLabel mChooseLibraryFileLabel = new JLabel();
private JTextField mPINCodeTextField = new JPasswordField();
private JLabel mEnterPINCodeLabel = new JLabel();
private JButton mSignButton = new JButton();
private JButton mCancelButton = new JButton();
private boolean mResult = false;
/**
* Initializes the dialog - creates and initializes its GUI controls.
*/
public PKCS11LibraryFileAndPINCodeDialog() {
// Initialize the dialog
this.getContentPane().setLayout(null);
this.setSize(new Dimension(426, 165));
this.setBackground(SystemColor.control);
this.setTitle("Select PKCS#11 library file and smart card PIN code");
this.setResizable(false);
// Center the dialog in the screen
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension dialogSize = this.getSize();
int centerPosX = (screenSize.width - dialogSize.width) / 2;
int centerPosY = (screenSize.height - dialogSize.height) / 2;
setLocation(centerPosX, centerPosY);
// Initialize certificate keystore file label
mChooseLibraryFileLabel.setText(
"Please select your PKCS#11 implementation library file (.dll / .so) :");
mChooseLibraryFileLabel.setBounds(new Rectangle(10, 5, 400, 15));
mChooseLibraryFileLabel.setFont(new Font("Dialog", 0, 12));
// Initialize certificate keystore file name text field
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