dialogfactory.java

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package view.com.factory;

import java.util.HashMap;

import javax.swing.JDialog;
import javax.swing.JFrame;

/**
 * 
 * @author linfeng 对话框架工厂模式
 */
public class DialogFactory {

  /**
   * factory 
   * map 
   * name
   */
  private static DialogFactory factory;
  private static HashMap map = new HashMap();
  private static String name;

  /**
   * 构造函数私有
   */
  private DialogFactory() {
    /**
     * 各种对话框
     */
    map.put("换班登录", "view.frame.LoginFrame");
    map.put("增加用户", "view.dialog.UserAddDialog");
    map.put("删除用户", "view.dialog.UserDeleteDialog");
    map.put("修改用户", "view.dialog.UserModifyDialog");
    map.put("进货查询", "view.dialog.StockFindDialog");
    map.put("销售查询", "view.dialog.SaleFindDialog");
    map.put("增加会员", "view.dialog.VipAddDialog");
    map.put("删除会员", "view.dialog.VipDeleteDialog");
    map.put("修改会员", "view.dialog.VipModifyDialog");
    map.put("关于", "view.dialog.AboutDialog");
    map.put("皮肤设置", "view.dialog.FaceStyleDialog");
    map.put("大小设置", "view.dialog.FaceSizeDialog");
    map.put("界面切换", "view.dialog.FaceDialog");

    map.put("付款", "view.dialog.posdialog.PayDialog");
    map.put("退出", "view.dialog.posdialog.EscDialog");
    map.put("结账","view.dialog.posdialog.PayDialog");
    map.put("会员情况", "view.dialog.posdialog.VipIdDialog");
  }

  /**
   * 工厂模式单例化
   * 
   * @param nam
   *            对应的名字
   * @return factory 返回一个工厂
   */
  public static DialogFactory getInstance(String nam) {
    if (factory == null) {
      factory = new DialogFactory();
    }
    name = nam;
    return factory;
  }

  /**
   * 对象实例化
   * 
   * @return dialog 对话框
   */
  public JDialog getContainer() {
    JDialog dialog = null;
    if (map.containsKey(name)) {
      try {
        dialog = (JDialog) Class.forName((String) map.get(name)).newInstance();
      } catch (InstantiationException e) {

        e.printStackTrace();
        return null;
      } catch (IllegalAccessException e) {

        e.printStackTrace();
        return null;
      } catch (ClassNotFoundException e) {

        e.printStackTrace();
        return null;
      }
    }
    return dialog;
  }
}