68
|
1 package fschmidt.util.servlet;
|
|
2
|
|
3 import org.eclipse.jetty.servlet.DefaultServlet;
|
|
4 import org.slf4j.Logger;
|
|
5 import org.slf4j.LoggerFactory;
|
|
6
|
|
7 import javax.servlet.ServletException;
|
|
8 import javax.servlet.http.HttpServletRequest;
|
|
9 import javax.servlet.http.HttpServletResponse;
|
|
10 import java.io.IOException;
|
|
11 import java.util.Date;
|
|
12
|
|
13
|
|
14 public final class JarDefaultServlet extends DefaultServlet {
|
|
15 private static final Logger logger = LoggerFactory.getLogger(JarDefaultServlet.class);
|
|
16
|
|
17 private static final long built;
|
|
18 static {
|
|
19 try {
|
|
20 built = new Date(ClassLoader.getSystemResource("fschmidt/util/servlet/JarDefaultServlet.class").openConnection().getLastModified()).getTime()/1000*1000;
|
|
21 } catch(IOException e) {
|
|
22 logger.error("",e);
|
|
23 throw new RuntimeException(e);
|
|
24 }
|
|
25 }
|
|
26
|
|
27 protected void doGet(HttpServletRequest request,HttpServletResponse response)
|
|
28 throws ServletException, IOException
|
|
29 {
|
|
30 if( built <= request.getDateHeader("If-Modified-Since") ) {
|
|
31 response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
|
|
32 return;
|
|
33 }
|
|
34 super.doGet(request,response);
|
|
35 }
|
|
36 }
|