br.com.esign.google.geocode.GoogleGeocode.java Source code

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Here is the source code for br.com.esign.google.geocode.GoogleGeocode.java

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/* 
 * The MIT License
 *
 * Copyright 2016 Esign Consulting.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package br.com.esign.google.geocode;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;

import br.com.esign.google.geocode.model.GeocodeResponse;

import com.fasterxml.jackson.databind.ObjectMapper;

public class GoogleGeocode {

    private String languageCode = System.getProperty("google.geocode.language.code");

    private String address;
    private String lat, lng;
    private boolean reverse;

    public GoogleGeocode(String address) {
        this.address = address;
    }

    public GoogleGeocode(String lat, String lng) {
        this.lat = lat;
        this.lng = lng;
        reverse = true;
    }

    public void setLanguage(GoogleGeocodeLanguage language) {
        this.languageCode = language.getCode();
    }

    public String getJsonString() throws IOException {
        StringBuilder httpUrl = new StringBuilder("http://maps.googleapis.com/maps/api/geocode/json?sensor=false&");
        if (languageCode != null && !languageCode.isEmpty()) {
            httpUrl.append("language=").append(languageCode).append("&");
        }
        if (reverse) {
            httpUrl.append("latlng=").append(lat).append(",").append(lng);
        } else {
            httpUrl.append("address=").append(URLEncoder.encode(address, "utf-8"));
        }

        URL url = new URL(httpUrl.toString());
        URLConnection conn = url.openConnection();

        BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
        StringBuilder out = new StringBuilder();
        String line;
        while ((line = in.readLine()) != null) {
            out.append(line);
        }
        return out.toString();
    }

    public GeocodeResponse getResponseObject() throws IOException {
        String json = getJsonString();
        ObjectMapper mapper = new ObjectMapper();
        GeocodeResponse response = mapper.readValue(json, GeocodeResponse.class);
        return response;
    }

}