Java obtains the Client IP address, MAC address, computer name, And win7mac address in 64-bit Windows 7.

Source: Internet
Author: User

Java obtains the Client IP address, MAC address, computer name, And win7mac address in 64-bit Windows 7.

package com.javaweb.util;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import javax.servlet.http.HttpServletRequest;
public class ClientInformation {
//Get client IP address
public static String getIpAddr(HttpServletRequest request) {
String ip = request.getHeader("X-Forwarded-For");
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();
}
Return IP;
}
//Get client MAC address
public static String getMACAddress(String ip) {
String str = "";
String macAddress = "";
System.out.println("ipppppppppppppppppp"+ip);
Try {
Process p = Runtime.getRuntime().exec("cmd /c C:\\Windows\\sysnative\\nbtstat.exe -a " + ip);
InputStreamReader ir = new InputStreamReader(p.getInputStream());
LineNumberReader input = new LineNumberReader(ir);
for (int i = 1; i < 100; i++) {
str = input.readLine();
if (str != null) {
if (str.indexOf("MAC") > 1) {
macAddress = str.substring(str.indexOf("=") + 2,
str.length());
Break;
}
}
}
} catch (IOException e) {
e.printStackTrace(System.out);
}
return macAddress;
}
//Get client computer name
public static String getComputerName(String ip){
String computerName = "";
String str = "";
Try {
Process    p = Runtime.getRuntime().exec("cmd /c C:\\Windows\\sysnative\\nbtstat.exe -a " + ip);
InputStreamReader ir = new InputStreamReader(p.getInputStream());
LineNumberReader input = new LineNumberReader(ir);
for (int i = 1; i < 100; i++) {
Try {
str = input.readLine();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
If (str.indexof ("unique") > 1){
computerName = str.substring(0, str.indexOf("<")).trim();
Break;
}
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return computerName;
}
} 

 


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