thoerup/traininfoservice/RequestPlotter.java

package dk.thoerup.traininfoservice;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;


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

public class RequestPlotter extends HttpServlet {
        private static final long serialVersionUID = 1L;
        
        protected String getKml() {
                StringBuilder sb = new StringBuilder();
                try {
                        FileInputStream fis = new FileInputStream("/var/log/apache2/access.log");
                        BufferedReader in = new BufferedReader( new InputStreamReader(fis) );
                        
                
                        sb.append( "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" );
                        sb.append( "<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n" );
                        sb.append( "<Document>\n" );
                        
                        String line;
                        while ( (line=in.readLine()) != null) {
                                if (line.indexOf("LocateStation") == -1 ){
                                        continue;
                                }
                                
                                if (line.indexOf("latitude") == -1 ) {
                                        continue;
                                }
                                
                                String toks[] = line.split(" ");
                                String ip = toks[0];
                                String time = toks[3].replace("[", "");
                                String argpart = toks[6].split("?")[1];
                                
                                String args[] = argpart.split("&");
                                
                                String lat = args[0].split("=")[1];
                                String lng = args[0].split("=")[1];
                                
                        sb.append( " <Placemark>" );
                        sb.append( "  <description>IP=" + ip + "  Time=" + time + "</description>" );
                        sb.append( "  <Point><coordinates>" + lng + "," + lat + ",0</coordinates></Point>" );
                        sb.append( " </Placemark>" );
                                
                        }
                        
                        sb.append(  "</Document>\n" );
                        sb.append( "</kml>\n" );
                        
                } catch (Exception e) {
                        sb.append("<!-- error -->");
                }
                
                return sb.toString();
        }

        @Override
        protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
                 resp.setContentType("application/vnd.google-earth.kml");
                 resp.getWriter().print( getKml() );
        }
        
        
}
1	torben	795	package dk.thoerup.traininfoservice;
2
3			import java.io.BufferedReader;
4			import java.io.FileInputStream;
5			import java.io.IOException;
6			import java.io.InputStreamReader;
7
8
9			import javax.servlet.ServletException;
10			import javax.servlet.http.HttpServlet;
11			import javax.servlet.http.HttpServletRequest;
12			import javax.servlet.http.HttpServletResponse;
13
14			public class RequestPlotter extends HttpServlet {
15			private static final long serialVersionUID = 1L;
16
17			protected String getKml() {
18			StringBuilder sb = new StringBuilder();
19			try {
20			FileInputStream fis = new FileInputStream("/var/log/apache2/access.log");
21			BufferedReader in = new BufferedReader( new InputStreamReader(fis) );
22
23
24			sb.append( "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" );
25			sb.append( "<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n" );
26			sb.append( "<Document>\n" );
27
28			String line;
29			while ( (line=in.readLine()) != null) {
30			if (line.indexOf("LocateStation") == -1 ){
31			continue;
32			}
33
34			if (line.indexOf("latitude") == -1 ) {
35			continue;
36			}
37
38			String toks[] = line.split(" ");
39			String ip = toks[0];
40			String time = toks[3].replace("[", "");
41			String argpart = toks[6].split("?")[1];
42
43			String args[] = argpart.split("&");
44
45			String lat = args[0].split("=")[1];
46			String lng = args[0].split("=")[1];
47
48			sb.append( " <Placemark>" );
49			sb.append( " <description>IP=" + ip + " Time=" + time + "</description>" );
50			sb.append( " <Point><coordinates>" + lng + "," + lat + ",0</coordinates></Point>" );
51			sb.append( " </Placemark>" );
52
53			}
54
55			sb.append( "</Document>\n" );
56			sb.append( "</kml>\n" );
57
58			} catch (Exception e) {
59			sb.append("<!-- error -->");
60			}
61
62			return sb.toString();
63			}
64
65			@Override
66			protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
67			resp.setContentType("application/vnd.google-earth.kml");
68			resp.getWriter().print( getKml() );
69			}
70
71
72
73			}