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 java.util.logging.Level;
import java.util.logging.Logger;


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;
        
        static final Logger log = Logger.getLogger(RequestPlotter.class.getName());
        
        protected String getKml() {
                StringBuilder sb = new StringBuilder();
                try {
                        FileInputStream fis = new FileInputStream("/var/log/apache2/app_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 -->");
                        log.log(Level.SEVERE, "getKml()", e);
                }
                
                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	torben	796	import java.util.logging.Level;
8			import java.util.logging.Logger;
9	torben	795
10
11			import javax.servlet.ServletException;
12			import javax.servlet.http.HttpServlet;
13			import javax.servlet.http.HttpServletRequest;
14			import javax.servlet.http.HttpServletResponse;
15
16			public class RequestPlotter extends HttpServlet {
17			private static final long serialVersionUID = 1L;
18
19	torben	796	static final Logger log = Logger.getLogger(RequestPlotter.class.getName());
20
21	torben	795	protected String getKml() {
22			StringBuilder sb = new StringBuilder();
23			try {
24	torben	797	FileInputStream fis = new FileInputStream("/var/log/apache2/app_access.log");
25	torben	795	BufferedReader in = new BufferedReader( new InputStreamReader(fis) );
26
27
28			sb.append( "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" );
29			sb.append( "<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n" );
30			sb.append( "<Document>\n" );
31
32			String line;
33			while ( (line=in.readLine()) != null) {
34			if (line.indexOf("LocateStation") == -1 ){
35			continue;
36			}
37
38			if (line.indexOf("latitude") == -1 ) {
39			continue;
40			}
41
42			String toks[] = line.split(" ");
43			String ip = toks[0];
44			String time = toks[3].replace("[", "");
45			String argpart = toks[6].split("?")[1];
46
47			String args[] = argpart.split("&");
48
49			String lat = args[0].split("=")[1];
50			String lng = args[0].split("=")[1];
51
52			sb.append( " <Placemark>" );
53			sb.append( " <description>IP=" + ip + " Time=" + time + "</description>" );
54			sb.append( " <Point><coordinates>" + lng + "," + lat + ",0</coordinates></Point>" );
55			sb.append( " </Placemark>" );
56
57			}
58
59			sb.append( "</Document>\n" );
60			sb.append( "</kml>\n" );
61
62			} catch (Exception e) {
63			sb.append("<!-- error -->");
64	torben	796	log.log(Level.SEVERE, "getKml()", e);
65	torben	795	}
66
67			return sb.toString();
68			}
69
70			@Override
71			protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
72			resp.setContentType("application/vnd.google-earth.kml");
73			resp.getWriter().print( getKml() );
74			}
75
76
77
78			}