IT忍者神龟之IP解析相应的地址,利用淘宝接口API实现

package org.util;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.log4j.Logger;
import org.isli.deal.resolution.pojo.AreaInfo;


/**
 * 根据ip 解析取到相应的地址
 * 
 * @author 
 *
 */
public class AddressUtil {


    private static final Logger LOGGER = Logger
            .getLogger(KafkaConsumerUtil.class);


    private static final String ANALYSIS_IP_URL = "http://ip.taobao.com/service/getIpInfo.php";
    private static Map<String, AreaInfo> addressMap = Collections
            .synchronizedMap(new HashMap<String, AreaInfo>());


    /**
     * IP转换成地址
     * 
     * @param ip
     * @return
     */
    public AreaInfo getAddressByIp(String ip) {


        LOGGER.info("===param..." + ip);
        AreaInfo area = null;


        try {
            if (null != ip && !"".equals(ip)) {
                // 超过20000条，清缓存
                if (addressMap.size() > ConstantNumber.TWENTY_THOUSAND) {
                    addressMap.clear();
                }
                area = addressMap.get(ip);
                if (null == area) {
                    area = getAddresses(ip, "UTF-8");
                    if (null != area) {
                        addressMap.put(ip, area);
                    }
                }
            }
        } catch (Exception e) {
            LOGGER.info("[AddressUtil.getAddressByIp]" + e.getMessage());
        }
        return area;


    }


    /**
     * 
     * @param ip
     *            请求的参数 格式为：183.16.9.216
     * @param encoding
     *            服务器端请求编码。如GBK,UTF-8等
     * @return
     * @throws Exception
     */
    public AreaInfo getAddresses(String ip, String encodingString)
            throws Exception {
        AreaInfo areaInfo = null;
        try {
            // 取得IP所在的国家省市信息
            String returnStr = getResult(ANALYSIS_IP_URL, ip, encodingString);
            if (null != returnStr && !"".equals(returnStr)) {
                // 处理返回的省市区信息
                LOGGER.info(returnStr);
                String[] temp = returnStr.split(",");
                if (temp.length > ConstantNumber.NUM_EIGHT) {
                    areaInfo = new AreaInfo();


                    String countryId = (temp[2].split(":"))[1].replaceAll("\"",
                            "");
                    String country = "";
                    String province = "";
                    String city = "";
                    if ("IANA".equals(countryId)) {
                        // 表示内网
                        country = "中国";
                        province = "广东省";
                        city = "深圳市";
                    } else {
                        // 国家1
                        country = (temp[1].replaceAll("\\:\\{", "")
                                .split(":"))[1].replaceAll("\"", "");
                        country = decodeUnicode(country);
                        // 省份5
                        province = (temp[ConstantNumber.NUM_FIVE].split(":"))[1]
                                .replaceAll("\"", "");
                        province = decodeUnicode(province);
                        // 城市7
                        city = (temp[ConstantNumber.NUM_SEVEN].split(":"))[1]
                                .replaceAll("\"", "");
                        city = decodeUnicode(city);
                    }
                    LOGGER.info("country=" + country + ",province=" + province
                            + ",city=" + city);


                    areaInfo.setCountry(country);
                    areaInfo.setProvince(province);
                    areaInfo.setCity(city);
                }
            }
        } catch (Exception e) {
            LOGGER.info("[AddressUtil.getAddresses]" + e);
            e.printStackTrace();
        }


        return areaInfo;
    }


    /**
     * @param urlStr
     *            请求的地址
     * @param ip
     *            请求的参数 格式为：183.16.9.216
     * @param encoding
     *            服务器端请求编码。如GBK,UTF-8等
     * @return
     */
    private String getResult(String urlStr, String ip, String encoding) {
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = urlStr + "?ip=" + ip;
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                LOGGER.info(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(connection.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            LOGGER.info("发送GET请求出现异常！" + e);
            e.printStackTrace();
        } finally {
            // 使用finally块来关闭输入流
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        LOGGER.info("[AddressUtil.getResult]" + result);
        return result;
    }


    /**
     * unicode 转换成 中文
     * 
     * @param theString
     * @return
     */
    public static String decodeUnicode(String theString) {
        char aChar;
        int len = theString.length();
        StringBuffer outBuffer = new StringBuffer(len);
        for (int x = 0; x < len;) {
            aChar = theString.charAt(x++);
            if (aChar == '\\') {
                aChar = theString.charAt(x++);
                if (aChar == 'u') {
                    int value = 0;
                    for (int i = 0; i < ConstantNumber.NUM_FOUR; i++) {
                        aChar = theString.charAt(x++);
                        switch (aChar) {
                            case '0':
                            case '1':
                            case '2':
                            case '3':
                            case '4':
                            case '5':
                            case '6':
                            case '7':
                            case '8':
                            case '9':
                                value = (value << ConstantNumber.NUM_FOUR)
                                        + aChar - '0';
                                break;
                            case 'a':
                            case 'b':
                            case 'c':
                            case 'd':
                            case 'e':
                            case 'f':
                                value = (value << ConstantNumber.NUM_FOUR)
                                        + ConstantNumber.NUM_TEN + aChar - 'a';
                                break;
                            case 'A':
                            case 'B':
                            case 'C':
                            case 'D':
                            case 'E':
                            case 'F':
                                value = (value << ConstantNumber.NUM_FOUR)
                                        + ConstantNumber.NUM_TEN + aChar - 'A';
                                break;
                            default:
                                throw new IllegalArgumentException(
                                        "[AddressUtil.decodeUnicode]Malformed encoding");
                        }
                    }
                    outBuffer.append((char) value);
                } else {
                    if (aChar == 't') {
                        aChar = '\t';
                    } else if (aChar == 'r') {
                        aChar = '\r';
                    } else if (aChar == 'n') {
                        aChar = '\n';
                    } else if (aChar == 'f') {
                        aChar = '\f';
                    }
                    outBuffer.append(aChar);
                }
            } else {
                outBuffer.append(aChar);
            }
        }
        return outBuffer.toString();
    }


    // 测试
    public static void main(String[] args) {
        AddressUtil addressUtils = new AddressUtil();
        // 测试ip 183.16.9.216 中国广东深圳 电信
        String ip = "183.16.9.216";
        try {
            AreaInfo area = addressUtils.getAddressByIp(ip);
            if (null != area) {
                LOGGER.info(area.getCountry() + "," + area.getProvince() + ","
                        + area.getCity());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


}