cpmain.java

数字证书注册和签发系统

package cproissue;

import java.awt.Toolkit;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import java.awt.Dimension;
import java.io.FileInputStream;
/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class CPMain {
    boolean packFrame = false;
    /**
     * Construct and show the application.
     */
    public CPMain() {
        try
        {
            FileInputStream in = new FileInputStream("mykeystore");
            in.close();
            FrameCPMain frame = new FrameCPMain();
            // Validate frames that have preset sizes
            // Pack frames that have useful preferred size info, e.g. from their layout
            if (packFrame) {
                frame.pack();
            } else {
                frame.validate();
            }
            // Center the window
            Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
            Dimension frameSize = frame.getSize();
            if (frameSize.height > screenSize.height) {
                frameSize.height = screenSize.height;
            }
            if (frameSize.width > screenSize.width) {
                frameSize.width = screenSize.width;
            }
            frame.setLocation((screenSize.width - frameSize.width) / 2,
                              (screenSize.height - frameSize.height) / 2);
            frame.setVisible(true);
        }
        catch(Exception ex)
        {
            FrameMainCPro frame = new FrameMainCPro();
            // Validate frames that have preset sizes
            // Pack frames that have useful preferred size info, e.g. from their layout
            if (packFrame) {
                frame.pack();
            } else {
                frame.validate();
            }
            // Center the window
            Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
            Dimension frameSize = frame.getSize();
            if (frameSize.height > screenSize.height) {
                frameSize.height = screenSize.height;
            }
            if (frameSize.width > screenSize.width) {
                frameSize.width = screenSize.width;
            }
            frame.setLocation((screenSize.width - frameSize.width) / 2,
                              (screenSize.height - frameSize.height) / 2);
            frame.setVisible(true);
         }
    }
    /**
     * Application entry point.
     *
     * @param args String[]
     */
    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                try {
                    UIManager.setLookAndFeel(UIManager.
                                             getSystemLookAndFeelClassName());
                } catch (Exception exception) {
                    exception.printStackTrace();
                }
                new CPMain();
            }
        });
    }
}