高德地图---根据具体的地址得到其GPS坐标

package com.love;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.regex.Matcher;
import java.util.regex.Pattern;



public class AmapUtil {
	
	private static String API = "http://restapi.amap.com/v3/geocode/geo?key=<key>&s=rsv3&address=<address>";
	
	private static String KEY = "aa4a48297242d22d2b3fd6eddfe62217";
	
	private static Pattern pattern = Pattern.compile("\"location\":\"(\\d+\\.\\d+),(\\d+\\.\\d+)\"");
	
	static {
		init();
	}
	
	private static void init() {
		System.out.println("高德地图工具类初始化");
		System.out.println("api: {}"+API);
		System.out.println("key: {}"+KEY);
		API = API.replaceAll("<key>", KEY);
	}
	
	public static double[] addressToGPS(String address) {
		try {
			String requestUrl = API.replaceAll("<address>", URLEncoder.encode(address, "UTF-8"));
			System.out.println("请求地址: {}" + requestUrl);
			requestUrl = HttpClientHelper.sendGetRequest(requestUrl);
			if (requestUrl != null ) {
				Matcher matcher = pattern.matcher(requestUrl);
				if (matcher.find() && matcher.groupCount() == 2) {
					double[] gps = new double[2];
					gps[0] = Double.valueOf(matcher.group(1));
					gps[1] = Double.valueOf(matcher.group(2));
					System.out.println("gps: {}" + Arrays.toString(gps));
					return gps;
				}
			}
		} catch (KeyManagementException | UnsupportedEncodingException | NoSuchAlgorithmException e) {
		}
		
		return null;
	}
	
	public static void main(String[] args) {
		System.out.println(AmapUtil.addressToGPS("广东省深圳市福田区天安数码城创业科技大厦一期"));
	}
}