startup.java

JSP+Struts+缓存的公司管理系统

//---------------------------------------------------------
// Application: Company Applcation
// Author     : Cao guangxin
// File       : StartUp.java
//
// Copyright 2006 RelationInfo Software
// Writed at Wed Apr 12 08:58:55 CST 2006
// writed by Eclipse SDK
// Visit http://www.37signals.cn
//---------------------------------------------------------

package net.cn37signals.company.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.sql.DataSource;

import net.cn37signals.company.dao.UsersDAO;

import org.apache.struts.action.Action;

public class StartUp extends Action implements Filter {
	public void init(FilterConfig config) throws ServletException {
		// TODO: 在这里增加你的代码
	}

	public void doFilter(ServletRequest req, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		HttpServletRequest request = (HttpServletRequest) req;
		HttpSession session = request.getSession();
		ServletContext context = session.getServletContext();
		DataSource ds = getDataSource(request);
		try {
			UsersDAO usersDAO = new UsersDAO(ds);
			context.setAttribute("Users", usersDAO.retrieve(request
					.getRemoteUser()));
		} catch (Exception e) {
			e.printStackTrace();
		}
		chain.doFilter(request, response);
	}

	public void destroy() {
		// TODO: 在这里增加你的代码
	}
}