initfilter.java

在线考试系统

package com.zte.nc21.chat.filters;

import java.io.IOException;

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 org.apache.log4j.Logger;

import com.nc21.exam.util.Config;

public class InitFilter implements Filter {
	
	private final static Logger log = Logger.getLogger(InitFilter.class);

	public void destroy() {
	}

	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
	}

	public void init(FilterConfig config) throws ServletException {
		log.info("开始初始化系统");
		String realPath = config.getServletContext().getRealPath("WEB-INF");
		Config.init(realPath);
	}

}