admincheck.java

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package com.x3408.filter;

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 javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.x3408.office.Constants;

public class AdminCheck implements Filter {

	public void destroy() {
		// TODO Auto-generated method stub

	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		// TODO Auto-generated method stub
		HttpServletRequest httpRequest=(HttpServletRequest)request;
		HttpServletResponse httpResponse=(HttpServletResponse)response;
		String passed=(String)httpRequest.getSession().getAttribute("passed");
		if("admin".equals(passed)){
			chain.doFilter(httpRequest,response);
		}else{
			httpResponse.sendRedirect(Constants.C_INDEX_JSP);
		}
	}

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

	}

}