pagefactory.java

chatper4JdonCMS.rar

package com.jdon.cms;

import com.jdon.util.Debug;
import com.jdon.cms.model.NavlinkModel;
import com.jdon.cms.model.MenuModel;
import com.jdon.cms.model.BodyModel;

import com.jdon.cms.events.PageEvent;

/**
 *
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Jdon.com Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author banq
 * @version 1.0
 */
public abstract class PageFactory {

    public  final static String module = PageFactory.class.getName();

    private static Object initLock = new Object();
    private static String className =
        "com.jdon.cms.xml.XmlPageFactory";
    private static PageFactory factory = null;

    public static PageFactory getInstance() {
      if (factory == null) {
        synchronized (initLock) {
          if (factory == null) {
            try {
              //Load the class and create an instance.
              Class c = Class.forName(className);
              factory = (PageFactory) c.newInstance();
            }
            catch (Exception e) {
              Debug.logError(" get factory instance error:" + e, module);
              return null;
            }
          }
        }
      }

      return factory;
    }

    public abstract Integer getId();
    public abstract Navlink getNavlink();
    public abstract void saveNavlink(Navlink  navlink);


    public abstract Menu getMenu(Integer Id,  Navlink navlink);
    public abstract Menu createMenu(Integer Id);
    public abstract Menu updateMenu(Menu menu, Page page);
    public abstract void deleteMenu(Menu menu,  Navlink navlink);

    public abstract String saveContent(Integer Id, String content);
    public abstract String getContent(Integer Id);
    public abstract void deleteContent(Integer Id);

    public abstract Body getBody(Integer Id);
    public abstract Body createBody(Integer Id);
    public abstract void updateBody(Body body);
    public abstract void deleteBody(Body body);


}