loadproducttypefilter.java

该程序能够准确的记录互联网用户上网所用的流量

package com.briup.admin.web.filter;

import java.io.IOException;
import java.util.List;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import com.briup.admin.service.IAdminService;

/**
 *class LoadProductTypeFilter
 *@author briup
 *Date 2008-2-26 下午05:41:55
 */

public class LoadProductTypeFilter implements Filter {
	
	
	public void destroy() {
		// TODO Auto-generated method stub

	}

	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		// TODO Auto-generated method stub
		HttpServletRequest request = (HttpServletRequest)arg0;
		HttpServletResponse response = (HttpServletResponse)arg1;
		WebApplicationContext ctx = WebApplicationContextUtils.getWebApplicationContext(request.getSession().getServletContext());
		IAdminService adminService = (IAdminService)ctx.getBean("adminService");
		try{
			List list = adminService.findProductType();
	
			request.getSession().setAttribute("productTypeList", list);
			
		}catch(Exception e){
			e.printStackTrace();
		}
		arg2.doFilter(request,response);

	}
	

	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub

	}

}