forumaction.java

雷霆论坛是用J2EE技术开发的功能强大、扩展性强、易于定制

package lightningboard.action;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import lightningboard.Configuration;
import lightningboard.util.StringUtil;
import lightningboard.Action;
import lightningboard.ActionException;
import lightningboard.ActionMessage;
import lightningboard.dao.DAOFactory;
import lightningboard.dao.ForumDAO;
import lightningboard.bean.ForumBean;

public class ForumAction implements Action {
  public String excute(HttpServletRequest request, HttpServletResponse response)
      throws IOException, ServletException,ActionException {

      int f_id =StringUtil.parseInt(request.getParameter("f_id"));
      int start=StringUtil.parseInt(request.getParameter("start"));
      String keyword = request.getParameter("keyword");
      keyword=StringUtil.notNull(keyword);
      keyword=keyword.trim();
      keyword=StringUtil.escapeSQLTags(keyword);

      Configuration cfg=Configuration.getInstance();
      int range = StringUtil.parseInt(cfg.getValue("SYS.RECORDS_PER_PAGE"));
      if (start==0)
        start=1;
      DAOFactory daof=DAOFactory.getDAOFactory();
      ForumDAO forumDAO=daof.getForumDAO();
      ForumBean forumBean=forumDAO.execute(f_id,start,range,keyword);
      if (forumBean!=null){
        request.setAttribute("forumBean",forumBean);
        return "/forum.jsp";
      }  else {
        request.setAttribute("actionMessage",new ActionMessage("no_such_forum"));
        return "/actionMessage.jsp";
      }
  }
}