java 后台实现查询号码归属地

package com.wuage.clm.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


/**
 * 类PhoneNumberBelongsUtil.java的实现描述：
 * 
 * 根据手机号码查询归属地
 * @since 1.0.0
 * @author tangjinhui 2017年6月26日 上午10:39:13
 */
public class PhoneNumberBelongsUtil {
    
    private static final  Logger  logger                = LoggerFactory.getLogger(PhoneNumberBelongsUtil.class);
    private static final  String  formatSpecifier       = "^1[3|4|5|7|8][0-9]{9}$";
    //正则模板：编译
    private static        Pattern fsPattern             = Pattern.compile(formatSpecifier);
    /**
     * 查询手机号码查询归属地
     * @author tangjinhui
     * @param  phoneNumber 手机号码
     * @since  1.0.0
     * @return map （省<prov>、市<city>归属）
     */
    public static Map<String,Object> checkPhoneNumberBelongs(String phoneNumber){
        logger.info("begin to check phoneNumber={} belongs to  the ground",phoneNumber);
        Map<String, Object> map = new HashMap<>();
        //校验是否为手机号码
        if(phoneNumber.length() !=11||!fsPattern.matcher(phoneNumber).matches()){
            return map;
        }
        
        StringBuffer url = new StringBuffer();
        url.append("https://sp0.baidu.com/8aQDcjqpAAV3otqbppnN2DJv/api.php?query=");
        url.append(phoneNumber);
        url.append("&co=&resource_id=6004&t=1498214330640&ie=utf8&oe=gbk&cb=op_aladdin_callback&format=json&tn=baidu&cb=jQuery110206964374771341681_1498213853507&_=1498213853531");
        
        URL openUrl = null;
        URLConnection conn=null;
        BufferedReader br =null;
        String inputLine = null;
        
        try {
            openUrl = new URL(url.toString());
            conn = openUrl.openConnection();
            br = new BufferedReader(new InputStreamReader(conn.getInputStream(), "GBK"));
            StringBuffer sb = new StringBuffer();
            while ((inputLine = br.readLine()) != null) {
                sb.append(inputLine);
            }
            
            List<String> asList = Arrays.asList(String.valueOf(sb).split(","));
            for (String string : asList) {
                if (string.contains("city") || string.contains("prov")) {
                    String[] split = string.replaceAll(" ","").replaceAll("\"", "").split(":");
                    map.put(split[0], split[1]);
                    continue;
                }
            }
         
        } catch (Exception e) {
            logger.error("PhoneNumberBelongsUtil类中checkPhoneNumberBelongs方法:param ={}, error：{}",phoneNumber,e);
            return map;
        } finally {
            try {
                br.close();
            } catch (IOException e) {
                logger.error("close io exception error message:{}", e);
            }
        }
        return map;
    }
}