thoerup/traininfoservice/LoadStations.java

package dk.thoerup.traininfoservice;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

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

import dk.thoerup.genericjavautils.HttpUtil;
import dk.thoerup.traininfoservice.db.DBConnection;

@Deprecated
@WebServlet(urlPatterns={"/LoadStations"})

public class LoadStations extends HttpServlet {
        private static final long serialVersionUID = 1L;

        public LoadStations() {
                super();
        }

        protected void insertOrUpdate(Connection conn, String type, String code, String name)  throws SQLException{
                String sql = "SELECT id FROM trainstations WHERE stationcode=?";
                PreparedStatement stmt = conn.prepareStatement(sql);
                stmt.setString(1, code);
                
                ResultSet rs = stmt.executeQuery();
                
                boolean stog = type.equalsIgnoreCase("S2");
                
                if (rs.next()) {
                        int id = rs.getInt(1);
                        stmt = conn.prepareStatement("UPDATE trainstations SET name=?, stog=?, updated=now() WHERE id=?");
                        stmt.setString(1, name);
                        stmt.setBoolean(2, stog);
                        stmt.setInt(3, id);
                        stmt.execute();
                } else {
                        stmt = conn.prepareStatement("INSERT INTO trainstations (name,stationcode,stog,updated) VALUES (?,?,?,now())");
                        stmt.setString(1, name);
                        stmt.setString(2, code);
                        stmt.setBoolean(3, stog);
                        stmt.execute();
                }
                
        }

        @Override
        protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
                String url = "http://rafiki.t-hoerup.dk/tog/stations.php";

                String stationStr = HttpUtil.getContentString(url, 5000, "ISO-8859-1");

                String stations[] = stationStr.split("\n");
                Connection conn = null; 
                try {
                        conn = DBConnection.getConnection();            
                        for (String stationLine : stations) {
                                String fields[] = stationLine.split(";");
                                
                                
                                insertOrUpdate(conn, fields[0], fields[1], fields[2]);
                        }
                } catch (Exception e) {
                        throw new ServletException(e);
                } finally {
                        try {
                                if (conn != null && !conn.isClosed())
                                        conn.close();
                        } catch (SQLException e) {}
                }                       
                PrintWriter out = resp.getWriter();
                out.print("ok");
        }

}
1	package dk.thoerup.traininfoservice;
2
3	import java.io.IOException;
4	import java.io.PrintWriter;
5	import java.sql.Connection;
6	import java.sql.PreparedStatement;
7	import java.sql.ResultSet;
8	import java.sql.SQLException;
9
10	import javax.servlet.ServletException;
11	import javax.servlet.annotation.WebServlet;
12	import javax.servlet.http.HttpServlet;
13	import javax.servlet.http.HttpServletRequest;
14	import javax.servlet.http.HttpServletResponse;
15
16	import dk.thoerup.genericjavautils.HttpUtil;
17	import dk.thoerup.traininfoservice.db.DBConnection;
18
19	@Deprecated
20	@WebServlet(urlPatterns={"/LoadStations"})
21
22	public class LoadStations extends HttpServlet {
23	private static final long serialVersionUID = 1L;
24
25	public LoadStations() {
26	super();
27	}
28
29	protected void insertOrUpdate(Connection conn, String type, String code, String name) throws SQLException{
30	String sql = "SELECT id FROM trainstations WHERE stationcode=?";
31	PreparedStatement stmt = conn.prepareStatement(sql);
32	stmt.setString(1, code);
33
34	ResultSet rs = stmt.executeQuery();
35
36	boolean stog = type.equalsIgnoreCase("S2");
37
38	if (rs.next()) {
39	int id = rs.getInt(1);
40	stmt = conn.prepareStatement("UPDATE trainstations SET name=?, stog=?, updated=now() WHERE id=?");
41	stmt.setString(1, name);
42	stmt.setBoolean(2, stog);
43	stmt.setInt(3, id);
44	stmt.execute();
45	} else {
46	stmt = conn.prepareStatement("INSERT INTO trainstations (name,stationcode,stog,updated) VALUES (?,?,?,now())");
47	stmt.setString(1, name);
48	stmt.setString(2, code);
49	stmt.setBoolean(3, stog);
50	stmt.execute();
51	}
52
53	}
54
55	@Override
56	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
57	String url = "http://rafiki.t-hoerup.dk/tog/stations.php";
58
59	String stationStr = HttpUtil.getContentString(url, 5000, "ISO-8859-1");
60
61	String stations[] = stationStr.split("\n");
62	Connection conn = null;
63	try {
64	conn = DBConnection.getConnection();
65	for (String stationLine : stations) {
66	String fields[] = stationLine.split(";");
67
68
69	insertOrUpdate(conn, fields[0], fields[1], fields[2]);
70	}
71	} catch (Exception e) {
72	throw new ServletException(e);
73	} finally {
74	try {
75	if (conn != null && !conn.isClosed())
76	conn.close();
77	} catch (SQLException e) {}
78	}
79	PrintWriter out = resp.getWriter();
80	out.print("ok");
81	}
82
83	}