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torben |
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package dk.thoerup.traininfoservice;
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import java.io.BufferedReader;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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public class RequestPlotter extends HttpServlet {
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private static final long serialVersionUID = 1L;
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protected String getKml() {
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StringBuilder sb = new StringBuilder();
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try {
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FileInputStream fis = new FileInputStream("/var/log/apache2/access.log");
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BufferedReader in = new BufferedReader( new InputStreamReader(fis) );
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sb.append( "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" );
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sb.append( "<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n" );
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sb.append( "<Document>\n" );
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String line;
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while ( (line=in.readLine()) != null) {
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if (line.indexOf("LocateStation") == -1 ){
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continue;
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}
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if (line.indexOf("latitude") == -1 ) {
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continue;
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}
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String toks[] = line.split(" ");
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String ip = toks[0];
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String time = toks[3].replace("[", "");
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String argpart = toks[6].split("?")[1];
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String args[] = argpart.split("&");
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String lat = args[0].split("=")[1];
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String lng = args[0].split("=")[1];
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sb.append( " <Placemark>" );
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sb.append( " <description>IP=" + ip + " Time=" + time + "</description>" );
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sb.append( " <Point><coordinates>" + lng + "," + lat + ",0</coordinates></Point>" );
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sb.append( " </Placemark>" );
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}
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sb.append( "</Document>\n" );
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sb.append( "</kml>\n" );
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} catch (Exception e) {
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sb.append("<!-- error -->");
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}
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return sb.toString();
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}
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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resp.setContentType("application/vnd.google-earth.kml");
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resp.getWriter().print( getKml() );
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}
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}
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