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.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

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