package com.genersoft.iot.vmp.conf.security; 
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import org.slf4j.Logger; 
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import org.slf4j.LoggerFactory; 
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import org.springframework.security.web.session.InvalidSessionStrategy; 
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import javax.servlet.ServletException; 
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import javax.servlet.http.HttpServletRequest; 
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import javax.servlet.http.HttpServletResponse; 
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import java.io.IOException; 
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/** 
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 * 登录超时的处理 
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 */ 
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public class InvalidSessionHandler implements InvalidSessionStrategy { 
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    private final static Logger logger = LoggerFactory.getLogger(InvalidSessionHandler.class); 
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    @Override 
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    public void onInvalidSessionDetected(HttpServletRequest request, HttpServletResponse httpServletResponse) throws IOException, ServletException { 
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        String username = request.getParameter("username"); 
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        logger.info("[登录超时] - [{}]", username); 
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    } 
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} 
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