ipfilter1.java

j2ee编程技术中的一些代码

/*
 * Created on 2007-9-7
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package com.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

/**
 * @author zhaojy
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class IPFilter1 implements Filter {

	public void init(FilterConfig config) throws ServletException {
		//TODO Method stub generated by Lomboz
	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		//TODO Method stub generated by Lomboz
		PrintWriter out=response.getWriter();
		if(request.getRemoteAddr().equals("127.0.0.1"))
		{
			response.setContentType("text/html;charset=gb2312");
			out.println("本地机器不允许访问！");
			out.close();
			}
		else
			chain.doFilter(request,response);
	}

	public void destroy() {
		//TODO Method stub generated by Lomboz
	}

	public FilterConfig getFilterConfig() {
		//TODO Method stub generated by Lomboz
		return null;
	}

	public void setFilterConfig(FilterConfig config) {
		//TODO Method stub generated by Lomboz
	}
}