entry.java

这是自定义工作流的图形定义部分

import javax.swing.*;
import java.applet.AppletContext;
import java.util.HashMap;

public class Entry extends JApplet
{

//The methods in this interface can be used by an applet to obtain information about its environment.
    public static AppletContext appletContext;
    public static HashMap parameters = new HashMap();  //记录系统的参数表路径
    private boolean isStandalone = false;
    MainWindow mainWindow = null;

    /**Get a parameter value*/
    public String getParameter(String key, String def)
    {
        return isStandalone ? System.getProperty(key, def) :
                (getParameter(key) != null ? getParameter(key) : def);
    }


    public Entry()
    {

    }

    public void init()
    {
        try
        {
            jbInit();
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }

    public void start()
    {
        try
        {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        }
        catch (Exception ex)
        {
        }
    }

    /**Component initialization*/
    private void jbInit() throws Exception
    {
        //   String configDirect = new String("file://e:/java/run_java/workflow-code/XML-INF/");
//    char[] tmpp = new char[System.getProperty("user.home").length()];
        String tmpp =  ""+System.getProperties().getProperty("user.dir");
        tmpp = tmpp.replace('\\','/');
        String configDirect = "file:/" + tmpp + "/work-flow/";

//        System.out.println("codeBase=" + this.getCodeBase());

        parameters.put("SYSTEMCLASS", configDirect + "SystemClass.xml");
        parameters.put("IMAGELOCATION", configDirect + "IMAGES/");
        parameters.put("HELPFILE", configDirect + "help.html");
        parameters.put("CSUCLASS", configDirect);
        parameters.put("PICTURE", configDirect + "picture/");
        if (mainWindow == null)
        {
            mainWindow = new MainWindow();  //建立程序主窗口
            mainWindow.setBounds(0, 0, (int) this.getToolkit().getScreenSize().getWidth(),
                    (int) this.getToolkit().getScreenSize().getHeight());
        }
        mainWindow.setVisible(true);
    }

    /**Get parameter info*/
    static public String getPara(String key)
    {
        return parameters.get(key).toString();
    }

    //static initializer for setting look & feel
    static
    {
        try
        {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
//      UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
        }
        catch (Exception e)
        {
        }
    }

    public static void main(String[] args)
    {
        Entry sd = new Entry();
        sd.init();
        sd.start();
    }
}