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annotate src/main/java/app/bbs/ShowMessageWithTimeStampServlet.java @ 155:83e99eba6ec1

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async thread comtext in showmessage servlet
author tatsuki
date Wed, 09 Jul 2014 19:44:47 +0900
parents 29734d7d6521
children 89999029c543
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 package app.bbs;
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2
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3 import java.io.PrintWriter;
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4
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5 import javax.servlet.AsyncContext;
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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
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10 import org.eclipse.jetty.util.thread.ThreadPool;
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12 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.bbs.BoardMessage;
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14 public class ShowMessageWithTimeStampServlet extends HttpServlet
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15 {
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16 /**
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17 *
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18 */
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19 private static final long serialVersionUID = 1L;
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20 private final NetworkBulletinBoard bbs;
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21 private final String createBoardMessagePath;
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22 private final String editMessagePath;
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23 private ThreadPool threadPool;
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25 private static final String PARAM_BOARD_NAME = "bname";
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27 public ShowMessageWithTimeStampServlet(NetworkBulletinBoard _bbs,String _createBoardMessagePath, String _editMessagePath, ThreadPool thp)
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28 {
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29 bbs = _bbs;
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30 createBoardMessagePath = _createBoardMessagePath;
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31 editMessagePath = _editMessagePath;
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32 threadPool = thp;
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33 }
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35 public void doGet(HttpServletRequest _req,HttpServletResponse _res)
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36 {
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37 final AsyncContext asc = _req.startAsync();
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38 final String bname = _req.getParameter(PARAM_BOARD_NAME);
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39 Runnable printBoardThread = new Runnable() {
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40 @Override
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41 public void run() {
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42 try{
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43 printBoard(bname,_res.getWriter());
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44 }catch(Exception _e){
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45 _res.setStatus(500);
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46 }
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47 asc.complete();
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48 }
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49 };
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50 threadPool.execute(printBoardThread);
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51 }
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53 private void printBoard(String _bname,PrintWriter _pw) throws Exception
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54 {
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55 _pw.write("<html><body>\n");
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56 _pw.write("<h1>"+_bname+"</h1>\n");
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57 _pw.write("<p>Latest renew time : "+bbs.getRenewTime(_bname)+"</p>\n");;
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59 _pw.write("<form action='"+createBoardMessagePath+"' method='POST'\n");
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60 _pw.write("<p>Author : <input type='text' name='author'/> <input type='hidden' name='bname' value='"+_bname+"'/> EditKey : <input type='text' name='key'/></p>\n");
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61 _pw.write("<p>Message<br/> <input type='textarea' name='msg'/> </p>\n");
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62 _pw.write("<p><input type='submit' value='submit'/></p>\n");
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64 for(BoardMessage msg : bbs.getMessages(_bname)){
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65 _pw.write("<hr/>");
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66 _pw.write("<p><b>"+msg.getAuthor()+"</b></p>");
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67 _pw.write("<p>"+msg.getMessage()+"</p>");
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68 _pw.write("<small><a href='"+editMessagePath+"?bname="+_bname+"&uuid="+msg.getUUID()+"'>edit</a></small>");
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69 }
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71 _pw.write("</body></html>");
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72 _pw.flush();
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73 }
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74 }