columnaction.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.ForumConstants;
import org.redsoft.forum.dao.AccountDAO;
import org.redsoft.forum.dao.DAOFactory;
import org.redsoft.forum.dao.ThreadDAO;
import org.redsoft.forum.exception.DAOException;
import org.redsoft.forum.exception.AccountNotFoundException;

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

/**
 * Column Action
 * list columnWriter on the left, and list thread of a columnWriter
 *
 * @author cinc
 * @version 1.0
 */
public class ColumnAction extends Action{
    public ActionForward execute(ActionMapping mapping,
				 ActionForm form,
				 HttpServletRequest request,
				 HttpServletResponse response)
	throws IOException, ServletException, DAOException, AccountNotFoundException {
        AccountDAO accountDAO = DAOFactory.getInstance().getAccountDAO();

        Collection accountList = accountDAO.findColumnWriters();
        request.setAttribute( ForumConstants.ACCOUNT_LIST, accountList );

        String userName = request.getParameter( ForumConstants.ACCOUNT );
        if ( userName == null ) {
            request.setAttribute( "threads", new Vector() );
        } else {
            request.setAttribute( ForumConstants.USERNAME,  userName );
            ThreadDAO threadDAO = DAOFactory.getInstance().getThreadDAO();
            request.setAttribute( "threads", threadDAO.findColumnThreadsByAccountId( userName ) );
        }

        return (mapping.findForward("success"));
    }
}