viewforumlistaction.java

Chinaxp 论坛源代码

/*
 * XP Forum
 *
 * Copyright (c) 2002-2003 RedSoft Group.  All rights reserved.
 *
 */
package org.redsoft.forum.web;

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.redsoft.forum.dao.DAOFactory;
import org.redsoft.forum.dao.ForumDAO;
import org.redsoft.forum.dao.ThreadDAO;
import org.redsoft.forum.exception.CategoryNotFoundException;
import org.redsoft.forum.exception.DAOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Collection;

/**
 * View all the forums and a few of threads as specified
 *
 * @author Charles Huang
 *
 * @version $Id: ViewForumListAction.java,v 1.1.1.1 2004/02/04 03:52:13 mustang Exp $
 */
public class ViewForumListAction extends Action {

    public ActionForward execute(ActionMapping mapping,
				 ActionForm form,
				 HttpServletRequest request,
				 HttpServletResponse response)
	throws IOException, ServletException {

		final ThreadDAO dao = DAOFactory.getInstance().getThreadDAO();

		try{
			ForumDAO forumDAO = DAOFactory.getInstance().getForumDAO();
			Forum[] forums = forumDAO.getForumCategory();

			// Get a list of forums
			for( int forumID = 1; forumID <= forums.length; forumID++ ){
				 Collection threads =  dao.findByCategory( forumID, 1, 8 );
				 request.setAttribute( "Forum_" + forumID, threads );
			}
		} catch( final CategoryNotFoundException categoryNotFoundException ){
			categoryNotFoundException.printStackTrace();
			return (mapping.findForward("error"));
		} catch (DAOException daoe) {
            daoe.printStackTrace();
            return (mapping.findForward("error"));
        }

        // Forward control to the specified success URI
		return (mapping.findForward("success"));
	}
}