pageservice.java

来自「chatper4JdonCMS.rar」· Java 代码 · 共 68 行

package com.jdon.cms;

import com.jdon.cms.events.PageEvent;
import com.jdon.cms.pagebuilder.*;
import com.jdon.controller.events.*;
import com.jdon.controller.WebService;

import com.jdon.util.Debug;

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

  private final static String module = PageService.class.getName();
  private final static PageFactory pageFactory = PageFactory.getInstance();

  public void perform(Event e) {

    Debug.logVerbose(" --> enter perform ..", module);
    PageBuilder pageBuilder = null;

    PageEvent pageEvent = (PageEvent) e;
    int actionType = pageEvent.getActionType();
    switch (actionType) {
      case PageEvent.CREATE:
        Integer Id = pageFactory.getId();
        pageEvent.getPage().setId(Id);
        pageBuilder = new CreateBuilder(pageEvent);
        break;

      case PageEvent.QUERY:
        pageBuilder = new QueryBuilder(pageEvent);
        break;

      case PageEvent.EDIT:
        pageBuilder = new UpdateBuilder(pageEvent);
        break;

      case PageEvent.DELETE:
        pageBuilder = new DeleteBuilder(pageEvent);
        break;

    }

    PageRender render = new PageRender(pageBuilder);

    Integer Id = pageEvent.getPage().getId();
    if (actionType == PageEvent.DELETE) {
      render.unConstruct(Id);
    } else {
      if (render.construct(Id))
        pageBuilder.getPage();
       else
        pageEvent.setErrors(" error happened!!");

    }


  }

}