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package com.wstro.util;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import javax.servlet.http.HttpServletRequest;
/**
* 根据IP地址获取详细的地域信息
*
* @author Joey
* @Email [email protected]
*
*/
public class GetIpAddress {
/**
* 获取请求主机IP地址,如果通过代理进来，则透过防火墙获取真实IP地址;
*
* @param request
* HttpServletRequest
* @return 请求主机IP地址
* @throws IOException
*/
public final static String getIpAddress(HttpServletRequest request) throws IOException {
// 获取请求主机IP地址,如果通过代理进来，则透过防火墙获取真实IP地址
String ip = request.getHeader("X-Forwarded-For");
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("WL-Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_CLIENT_IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_X_FORWARDED_FOR");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getRemoteAddr();
}
} else if (ip.length() > 15) {
String[] ips = ip.split(",");
for (int index = 0; index < ips.length; index++) {
String strIp = (String) ips[index];
if (!("unknown".equalsIgnoreCase(strIp))) {
ip = strIp;
break;
}
}
}
return ip;
}
/**
* 根据IP地址获取所在市区
*
* @param ip
* ip地址 请求的参数 格式为：name=xxx&pwd=xxx
* @param encoding
* 服务器端请求编码。如GBK,UTF-8等
* @return 所在市区
* @throws IOException
*/
public String getAddresses(String ip, String encodingString) throws IOException {
// 这里调用pconline的接口
String urlStr = "http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip=" + ip;
// 从http://whois.pconline.com.cn取得IP所在的省市区信息
String returnStr = this.getResult(urlStr, encodingString);
if (returnStr != null) {
// 处理返回的省市区信息
String[] temp = returnStr.split(",");
if (temp.length < 3) {
return "0";// 无效IP，局域网测试
}
String country = "";
String region = "";
String city = "";
country = (temp[3].split(":"))[1].replaceAll("\"", "");
country = decodeUnicode(country);// 国家
region = (temp[4].split(":"))[1].replaceAll("\"", "");
region = decodeUnicode(region);// 省份
city = (temp[5].split(":"))[1].replaceAll("\"", "");
city = decodeUnicode(city);// 市区
// System.out.println("国家=" + country + " 省份=" + region + " 市区="
// + city);
return city;
}
return null;
}
/**
* 请求URL
*
* @param urlStr
* 请求的地址
* @param encoding
* 服务器端请求编码。如GBK,UTF-8等
* @return String
* @throws IOException
*/
private String getResult(String urlStr, String encoding) throws IOException {
URL url = null;
HttpURLConnection connection = null;
try {
url = new URL(urlStr);
connection = (HttpURLConnection) url.openConnection();// 新建连接实例
connection.setConnectTimeout(2000);// 设置连接超时时间，单位毫秒
connection.setReadTimeout(2000);// 设置读取数据超时时间，单位毫秒
connection.setDoOutput(true);// 是否打开输出流 true|false
connection.setDoInput(true);// 是否打开输入流true|false
connection.setRequestMethod("POST");// 提交方法POST|GET
connection.setUseCaches(false);// 是否缓存true|false
connection.connect();// 打开连接端口
DataOutputStream out = new DataOutputStream(connection.getOutputStream());// 打开输出流往对端服务器写数据
// out.writeBytes(content);// 写数据,也就是提交你的表单 name=xxx&pwd=xxx
out.flush();// 刷新
out.close();// 关闭输出流
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), encoding));// 往对端写完数据对端服务器返回数据
// ,以BufferedReader流来读取
StringBuffer buffer = new StringBuffer();
String line = "";
while ((line = reader.readLine()) != null) {
buffer.append(line);
}
reader.close();
return buffer.toString();
} catch (IOException e) {
e.printStackTrace();
throw e;
} finally {
if (connection != null) {
connection.disconnect();// 关闭连接
}
}
}
/**
* Unicode 转换成 中文
*
* @param theString
* Unicode
* @return String
*/
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 < 4; 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 << 4) + aChar - '0';
break;
case 'a':
case 'b':
case 'c':
case 'd':
case 'e':
case 'f':
value = (value << 4) + 10 + aChar - 'a';
break;
case 'A':
case 'B':
case 'C':
case 'D':
case 'E':
case 'F':
value = (value << 4) + 10 + aChar - 'A';
break;
default:
throw new IllegalArgumentException("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) throws IOException {
GetIpAddress addressUtils = new GetIpAddress();
// 测试ip 219.136.134.157 中国=华南=广东省=广州市=越秀区=电信
String ip = "61.235.13.252";
String address = "";
try {
address = addressUtils.getAddresses(ip, "utf-8");
System.out.println(address);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
// 输出结果为：广东省,广州市,越秀区
}
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