春のMVC – IPアドレスを使用して場所を見つける（jQuery Google Map）

   //...
    <properties>
        <spring.version>3.2.2.RELEASE</spring.version>
        <maxmind.geoip.version>1.2.10</maxmind.geoip.version>
        <jackson.version>1.9.10</jackson.version>
    </properties>

    <dependencies>

        <!-- Spring Core -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!-- need this for @Configuration -->
        <dependency>
            <groupId>cglib</groupId>
            <artifactId>cglib</artifactId>
            <version>2.2.2</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!-- ip to server location -->
        <dependency>
            <groupId>com.maxmind.geoip</groupId>
            <artifactId>geoip-api</artifactId>
            <version>${maxmind.geoip.version}</version>
        </dependency>

        <!-- Jackson -->
        <dependency>
            <groupId>org.codehaus.jackson</groupId>
            <artifactId>jackson-mapper-asl</artifactId>
            <version>${jackson.version}</version>
        </dependency>

    </dependencies>
   //...

package com.mkyong.web.location;

public interface ServerLocationBo {

    ServerLocation getLocation(String ipAddress);

}

package com.mkyong.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.mkyong.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.mkyong.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.mkyong.web.location.ServerLocation;
import com.mkyong.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;

    }

}

<html>
<head>
<script src="https://maps.google.com/maps/api/js?sensor=true"></script>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
</head>
<body>
  <h2>Spring MVC + jQuery + Google Map</h2>

  <div>
    <input type="text" placeholder="0.0.0.0" id="w-input-search" value="">
    <span>
        <button id="w-button-search" type="button">Search</button>
    </span>
  </div>

  <script>
  $(document).ready(function() {

    $("#w-button-search").click(function() {

        $.getJSON("${pageContext.request.contextPath}/getLocationByIpAddress",
        {
            ipAddress : $('#w-input-search').val()
        },
        function(data) {

            var data = JSON.stringify(data);
            var json = JSON.parse(data);

            showMap(json["latitude"],json["longitude"])

            $("#result").html(data)

        })
        .done(function() {
        })
        .fail(function() {
        })
        .complete(function() {
        });

    });

    var map;

    function showMap(latitude,longitude) {

        var googleLatandLong = new google.maps.LatLng(latitude,longitude);

        var mapOptions = {
            zoom: 5,
            center: googleLatandLong,
            mapTypeId: google.maps.MapTypeId.ROADMAP
        };

        var mapDiv = document.getElementById("map");
        map = new google.maps.Map(mapDiv, mapOptions);

        var title = "Server Location";
        addMarker(map, googleLatandLong, title, "");

    }

    function addMarker(map, latlong, title, content) {

        var markerOptions = {
            position: latlong,
            map: map,
            title: title,
            clickable: true
        };
        var marker = new google.maps.Marker(markerOptions);
    }

  });
  </script>
  <br/>
  <div id="result"></div>
  <br/>
  <div style="width:600px;height:400px" id="map"></div>

</body>
</html>