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1 package fschmidt.util.servlet;
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2
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3 import org.eclipse.jetty.servlet.DefaultServlet;
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4 import org.slf4j.Logger;
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5 import org.slf4j.LoggerFactory;
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6
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7 import javax.servlet.ServletException;
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8 import javax.servlet.http.HttpServletRequest;
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9 import javax.servlet.http.HttpServletResponse;
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10 import java.io.IOException;
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11 import java.util.Date;
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12
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13
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14 public final class JarDefaultServlet extends DefaultServlet {
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15 private static final Logger logger = LoggerFactory.getLogger(JarDefaultServlet.class);
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16
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17 private static final long built;
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18 static {
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19 try {
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20 built = new Date(ClassLoader.getSystemResource("fschmidt/util/servlet/JarDefaultServlet.class").openConnection().getLastModified()).getTime()/1000*1000;
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21 } catch(IOException e) {
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22 logger.error("",e);
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23 throw new RuntimeException(e);
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24 }
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25 }
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26
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27 protected void doGet(HttpServletRequest request,HttpServletResponse response)
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28 throws ServletException, IOException
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29 {
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30 if( built <= request.getDateHeader("If-Modified-Since") ) {
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31 response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
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32 return;
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33 }
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34 super.doGet(request,response);
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35 }
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36 }
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