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1 package nabble.view.web.util;
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2
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3 import java.io.IOException;
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4 import java.io.PrintWriter;
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5 import javax.servlet.ServletException;
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6 import javax.servlet.http.HttpServlet;
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7 import javax.servlet.http.HttpServletRequest;
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8 import javax.servlet.http.HttpServletResponse;
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9 import javax.servlet.http.HttpSession;
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10
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11
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12 public final class JsHolder extends HttpServlet {
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13
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14 protected void service(HttpServletRequest request,HttpServletResponse response)
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15 throws ServletException, IOException
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16 {
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17 response.setHeader("Content-Type","application/x-javascript");
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18 response.setHeader("Cache-Control","no-cache");
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19 response.setHeader("Cache-Control","no-store");
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20 response.setHeader("Cache-Control","max-age=0");
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21 HttpSession session = request.getSession();
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22 String key = "js-" + request.getParameter("key");
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23 String js = request.getParameter("js");
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24 if( js != null ) {
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25 session.setAttribute(key,js);
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26 return;
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27 }
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28 js = (String)session.getAttribute(key);
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29 if( js==null )
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30 return;
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31 PrintWriter out = response.getWriter();
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32 out.print(js);
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33 }
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34
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35 }
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