thoerup/traininfoservice/SavedStatistics.java

package dk.thoerup.traininfoservice;


import java.io.IOException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@WebServlet(urlPatterns={"/SavedStatistics"})
public class SavedStatistics extends HttpServlet {
        private static final long serialVersionUID = 1L;
        
        
        protected SavedStatBean convertRow(ResultSet res) throws SQLException {
                SavedStatBean bean = new SavedStatBean();

                bean.label = res.getString(1);
                bean.station = res.getString(2);
                bean.location = res.getString(3);
                bean.name = res.getString(4);
                bean.favorites = res.getString(5);
                bean.departure = res.getString(6);
                bean.depcache = res.getString(7);
                bean.deperror = res.getString(8);
                bean.timetable = res.getString(9);
                bean.timecache = res.getString(10);
                bean.timeerror = res.getString(11);
                
                return bean;
                
        }
        
        
        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
                
                Connection conn = null;
                try {
                        conn = DBConnection.getConnection();
                        Statement stmt = conn.createStatement();
                        List<SavedStatBean> stats = new ArrayList<SavedStatBean>();
                        
                        
                        String sqlAvg = "SELECT count(*) AS count, round(avg(location+name+favorites),1) AS station, round(avg(location),1) as location, round(avg(name),1) as name, round(avg(favorites),1) as favorites, " +
                        "round(avg(departure),1) as departure, round(avg(depcache),1) as depcache, round(avg(deperror),1) as deperror, " +
                        "round(avg(timetable),1) as timetable, round(avg(timecache),1) as timecache, round(avg(timeerror),1) as timeerror " +
                        "FROM trainstatistics " +
                        "WHERE statisticsdate <> now()::date ";
                        
                        ResultSet resAvg = stmt.executeQuery(sqlAvg);
                        resAvg.next();
                        SavedStatBean avgBean = convertRow(resAvg);
                        
                        ////////////////////////////////////////////////
                        
                        String SQL = "SELECT statisticsdate, location+name+favorites AS station, location,name,favorites,departure,depcache,deperror,timetable,timecache,timeerror " +
                        "FROM trainstatistics ORDER BY statisticsdate DESC limit 14";
                        
                        
                        ResultSet res = stmt.executeQuery(SQL);
                        
                        
                        while (res.next()) {
                                SavedStatBean bean = convertRow(res);                                                           
                                stats.add(bean);
                                
                        }

                        conn.close();                   
                        
                        
                        request.setAttribute("avg", avgBean);
                        request.setAttribute("stats", stats);
                        request.getRequestDispatcher("/savedstatistics.jsp").forward(request, response);
                        
                        
                } catch (SQLException e) {
                        try { 
                                if (conn != null) conn.close();
                        } catch (SQLException se) {}
                        throw new ServletException(e);
                }
        }

}
1	package dk.thoerup.traininfoservice;
2
3
4	import java.io.IOException;
5	import java.sql.Connection;
6	import java.sql.ResultSet;
7	import java.sql.SQLException;
8	import java.sql.Statement;
9	import java.util.ArrayList;
10	import java.util.List;
11
12	import javax.servlet.ServletException;
13	import javax.servlet.annotation.WebServlet;
14	import javax.servlet.http.HttpServlet;
15	import javax.servlet.http.HttpServletRequest;
16	import javax.servlet.http.HttpServletResponse;
17
18
19	@WebServlet(urlPatterns={"/SavedStatistics"})
20	public class SavedStatistics extends HttpServlet {
21	private static final long serialVersionUID = 1L;
22
23
24	protected SavedStatBean convertRow(ResultSet res) throws SQLException {
25	SavedStatBean bean = new SavedStatBean();
26
27	bean.label = res.getString(1);
28	bean.station = res.getString(2);
29	bean.location = res.getString(3);
30	bean.name = res.getString(4);
31	bean.favorites = res.getString(5);
32	bean.departure = res.getString(6);
33	bean.depcache = res.getString(7);
34	bean.deperror = res.getString(8);
35	bean.timetable = res.getString(9);
36	bean.timecache = res.getString(10);
37	bean.timeerror = res.getString(11);
38
39	return bean;
40
41	}
42
43
44	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
45
46	Connection conn = null;
47	try {
48	conn = DBConnection.getConnection();
49	Statement stmt = conn.createStatement();
50	List<SavedStatBean> stats = new ArrayList<SavedStatBean>();
51
52
53	String sqlAvg = "SELECT count(*) AS count, round(avg(location+name+favorites),1) AS station, round(avg(location),1) as location, round(avg(name),1) as name, round(avg(favorites),1) as favorites, " +
54	"round(avg(departure),1) as departure, round(avg(depcache),1) as depcache, round(avg(deperror),1) as deperror, " +
55	"round(avg(timetable),1) as timetable, round(avg(timecache),1) as timecache, round(avg(timeerror),1) as timeerror " +
56	"FROM trainstatistics " +
57	"WHERE statisticsdate <> now()::date ";
58
59	ResultSet resAvg = stmt.executeQuery(sqlAvg);
60	resAvg.next();
61	SavedStatBean avgBean = convertRow(resAvg);
62
63	////////////////////////////////////////////////
64
65	String SQL = "SELECT statisticsdate, location+name+favorites AS station, location,name,favorites,departure,depcache,deperror,timetable,timecache,timeerror " +
66	"FROM trainstatistics ORDER BY statisticsdate DESC limit 14";
67
68
69	ResultSet res = stmt.executeQuery(SQL);
70
71
72
73
74	while (res.next()) {
75	SavedStatBean bean = convertRow(res);
76	stats.add(bean);
77
78	}
79
80	conn.close();
81
82
83	request.setAttribute("avg", avgBean);
84	request.setAttribute("stats", stats);
85	request.getRequestDispatcher("/savedstatistics.jsp").forward(request, response);
86
87
88	} catch (SQLException e) {
89	try {
90	if (conn != null) conn.close();
91	} catch (SQLException se) {}
92	throw new ServletException(e);
93	}
94	}
95
96	}