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comparison src/nabble/view/web/tools/OnlineUsers.java @ 0:7ecd1a4ef557

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author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 21 Mar 2019 19:15:52 -0600
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-1:000000000000 0:7ecd1a4ef557
1
2 package nabble.view.web.tools;
3
4 import nabble.view.web.user.OnlineStatus;
5
6 import javax.servlet.ServletException;
7 import javax.servlet.http.HttpServlet;
8 import javax.servlet.http.HttpServletRequest;
9 import javax.servlet.http.HttpServletResponse;
10 import java.io.IOException;
11 import java.io.PrintWriter;
12 import java.util.ArrayList;
13 import java.util.Collections;
14 import java.util.Comparator;
15 import java.util.Map;
16
17
18 public final class OnlineUsers extends HttpServlet {
19
20 private static class Entry {
21 String url;
22 int count;
23 Entry(String url, int count) {
24 this.url = url;
25 this.count = count;
26 }
27 }
28
29 protected void service(HttpServletRequest request,HttpServletResponse response)
30 throws ServletException, IOException
31 {
32 Map<String, Integer> sites = OnlineStatus.getOnlineSites();
33 ArrayList<Entry> list = new ArrayList<Entry>(sites.size());
34 for (Map.Entry<String, Integer> entry : sites.entrySet()) {
35 list.add(new Entry(entry.getKey(), entry.getValue()));
36 }
37
38 Collections.sort(list, new Comparator<Entry>() {
39 public int compare(Entry o1, Entry o2) {
40 return o1.count == o2.count? 0 : o1.count > o2.count? -1 : 1;
41 }
42 });
43
44 PrintWriter out = response.getWriter();
45
46 out.print( "\n<html>\n <head>\n <title>Online Users</title>\n <style type=\"text/css\">\n body {\n font-family:Verdana, Arial, Serif;\n font-size:.74em;\n }\n table td{padding:.4em .8em;border-bottom:1px solid #eee}\n </style>\n </head>\n <body>\n <div>\n <a href=\"/tools/\">Tools</a>\n </div>\n <h1>Online Users</h1>\n\n <table>\n " );
47 for (Entry entry : list) {
48 out.print( "\n <tr><td><a href=\"" );
49 out.print( (entry.url) );
50 out.print( "\">" );
51 out.print( (entry.url) );
52 out.print( "</a></td><td>" );
53 out.print( (entry.count) );
54 out.print( "</td></tr>\n " );
55 }
56 out.print( "\n </table>\n </body>\n</html>\n" );
57
58 }
59
60 }
61