BaiduGeoCoderDao.java

package org.qii.weiciyuan.dao.location;

import org.json.JSONException;
import org.json.JSONObject;
import org.qii.weiciyuan.dao.URLHelper;
import org.qii.weiciyuan.support.error.WeiboException;
import org.qii.weiciyuan.support.http.HttpMethod;
import org.qii.weiciyuan.support.http.HttpUtility;

/**
 * doc: http://developer.baidu.com/map/webservice-geocoding.htm
 */
public class BaiduGeoCoderDao {

    public String get() throws WeiboException {

        final String url = String.format(URLHelper.BAIDU_GEO_CODER_MAP, lat, long_fix);

        String jsonData = HttpUtility
                .getInstance().executeNormalTask(HttpMethod.Get, url, null);

        try {

            final JSONObject json = new JSONObject(jsonData);
            final JSONObject result = json.getJSONObject("result");
            final String formatAddress = result.optString("formatted_address", null);
            return formatAddress;
        } catch (JSONException exception) {
            return null;
        }
    }

    public BaiduGeoCoderDao(double lat, double long_fix) {
        this.lat = (float) lat;
        this.long_fix = (float) long_fix;
    }

    private float lat;
    private float long_fix;
}