Spring MVC - Standort mithilfe der IP-Adresse ermitteln (jQuery + Google Map)

    //...
    
        3.2.2.RELEASE
        1.2.10
        1.9.10
    

    

        
        
            org.springframework
            spring-core
            ${spring.version}
        

        
        
            cglib
            cglib
            2.2.2
        

        
            org.springframework
            spring-web
            ${spring.version}
        

        
            org.springframework
            spring-webmvc
            ${spring.version}
        

        
        
            com.maxmind.geoip
            geoip-api
            ${maxmind.geoip.version}
        

        
        
            org.codehaus.jackson
            jackson-mapper-asl
            ${jackson.version}
        

    
    //...

package com.example.web.location;

public interface ServerLocationBo {

    ServerLocation getLocation(String ipAddress);

}

package com.example.web.location;

import java.io.IOException;
import java.net.URL;
import org.springframework.stereotype.Component;
import com.maxmind.geoip.Location;
import com.maxmind.geoip.LookupService;
import com.maxmind.geoip.regionName;

@Component
public class ServerLocationBoImpl implements ServerLocationBo {

    @Override
    public ServerLocation getLocation(String ipAddress) {

        String dataFile = "location/GeoLiteCity.dat";
        return getLocation(ipAddress, dataFile);

    }

    private ServerLocation getLocation(String ipAddress, String locationDataFile) {

      ServerLocation serverLocation = null;

      URL url = getClass().getClassLoader().getResource(locationDataFile);

      if (url == null) {
        System.err.println("location database is not found - "
            + locationDataFile);
      } else {

      try {

        serverLocation = new ServerLocation();

        LookupService lookup = new LookupService(url.getPath(),
                LookupService.GEOIP_MEMORY_CACHE);
        Location locationServices = lookup.getLocation(ipAddress);

        serverLocation.setCountryCode(locationServices.countryCode);
        serverLocation.setCountryName(locationServices.countryName);
        serverLocation.setRegion(locationServices.region);
        serverLocation.setRegionName(regionName.regionNameByCode(
            locationServices.countryCode, locationServices.region));
        serverLocation.setCity(locationServices.city);
        serverLocation.setPostalCode(locationServices.postalCode);
        serverLocation.setLatitude(
                                String.valueOf(locationServices.latitude));
        serverLocation.setLongitude(
                                String.valueOf(locationServices.longitude));

      } catch (IOException e) {

        System.err.println(e.getMessage());

      }

     }

     return serverLocation;

    }
}

package com.example.web.location;

public class ServerLocation {

    private String countryCode;
    private String countryName;
    private String region;
    private String regionName;
    private String city;
    private String postalCode;
    private String latitude;
    private String longitude;

    //getter and setter methods

}

package com.example.web.controller;

import org.codehaus.jackson.map.ObjectMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;

import com.example.web.location.ServerLocation;
import com.example.web.location.ServerLocationBo;

@Controller
public class MapController {

    @Autowired
    ServerLocationBo serverLocationBo;

    @RequestMapping(value = "/", method = RequestMethod.GET)
    public ModelAndView getPages() {

        ModelAndView model = new ModelAndView("map");
        return model;

    }

    //return back json string
    @RequestMapping(value = "/getLocationByIpAddress", method = RequestMethod.GET)
    public @ResponseBody
    String getDomainInJsonFormat(@RequestParam String ipAddress) {

        ObjectMapper mapper = new ObjectMapper();

        ServerLocation location = serverLocationBo.getLocation(ipAddress);

        String result = "";

        try {
            result = mapper.writeValueAsString(location);
        } catch (Exception e) {

            e.printStackTrace();
        }

        return result;

    }

}

  
Spring MVC + jQuery + Google Map

  

    
    
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