displayaction.java

使用java开发的简易论坛

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package mokoda.action;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import mokoda.entity.*;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.hibernate.Query;
import org.hibernate.Session;

/** 
 * MyEclipse Struts
 * Creation date: 12-20-2006
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 * @struts.action-forward name="topic" path="/topic/display.jsp"
 * @struts.action-forward name="message" path="/msg/display/jsp"
 * @struts.action-forward name="forum" path="/forum/display.jsp"
 */
public class DisplayAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String forward = request.getParameter("type");
		String id = null;
		if("message".equals(forward)){
			id = request.getParameter("msgid");
			MessageDAO dao = new MessageDAO();
			Message msg = dao.findById(Integer.valueOf(id));
			request.setAttribute("message", msg);
		}else if("topic".equals(forward)){
			id = request.getParameter("tpcid");
			MessageDAO dao = new MessageDAO();
			Message tpc = dao.findById(Integer.valueOf(id));
			request.setAttribute("topic", tpc);
			request.setAttribute("tpcauthor", MessageDAO.getAuthor(tpc.getId()));
			List tempmsgs = MessageDAO.getAllMessages(tpc.getId());
			List<Client> msgauthors = new ArrayList<Client>();
			List<Message> msgs = new ArrayList<Message>();
			for(Object o: tempmsgs){
				Message m = (Message)o;
				msgs.add(m);
				msgauthors.add(MessageDAO.getAuthor(m.getId()));
			}
			request.setAttribute("messages", msgs);
			request.setAttribute("msgauthors", msgauthors);
		}else if("forum".equals(forward)){
			id = request.getParameter("frmid");
			ForumDAO dao = new ForumDAO();
			Forum frm = dao.findById(Integer.valueOf(id));
			request.setAttribute("forum", frm);
			request.setAttribute("topics", ForumDAO.getAllTpcs(frm.getId()));
			request.setAttribute("frmhost", new ClientDAO().findById(frm.getHostid()));
		}

		return mapping.findForward(forward);
	}
	
	public static void main(String[] args){
		
	}
}