import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/*********************************************************************************
//* Copyright (C) 2014 ××××××××××. All Rights Reserved.
//*
//* Filename: ComputerInfo.java
//* Revision: 1.0
//* Author: <yao xiucai>
//* Created On: 2014年5月21日
//* Modified by:
//* Modified On:
//*
//* Description: <取网卡物理地址--1.在Windows,Linux系统下均可用；2.通过ipconifg,ifconfig获得计算机信息；3.再用模式匹配方式查找MAC地址，与操作系统的语言无关>
//* Description: <取计算机名--从环境变量中取>
*/
/********************************************************************************/
public class ComputerInfo {
private static String macAddressStr = null;
private static String computerName = System.getenv().get("COMPUTERNAME");
private static final String[] windowsCommand = { "ipconfig", "/all" };
private static final String[] linuxCommand = { "/sbin/ifconfig", "-a" };
private static final Pattern macPattern = Pattern.compile(".*((:?[0-9a-f]{2}[-:]){5}[0-9a-f]{2}).*", Pattern.CASE_INSENSITIVE);
private final static List<String> getMacAddressList() throws IOException {
final ArrayList<String> macAddressList = new ArrayList<String>();
final String os = System.getProperty("os.name");
final String command[];
if (os.startsWith("Windows")) {
command = windowsCommand;
}
else if (os.startsWith("Linux")) {
command = linuxCommand;
}
else {
throw new IOException("Unknow operating system:" + os);
}
final Process process = Runtime.getRuntime().exec(command);
BufferedReader bufReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
for (String line = null ; (line = bufReader.readLine()) != null ;) {
Matcher matcher = macPattern.matcher(line);
if (matcher.matches()) {
macAddressList.add(matcher.group(1));
//macAddressList.add(matcher.group(1).replaceAll("[-:]", ""));//去掉MAC中的“-”
}
}
process.destroy();
bufReader.close();
return macAddressList;
}
public static String getMacAddress() {
if (macAddressStr == null || macAddressStr.equals("")) {
StringBuffer sb = new StringBuffer(); //存放多个网卡地址用，目前只取一个非0000000000E0隧道的值
try {
List<String> macList = getMacAddressList();
for (Iterator<String> iter = macList.iterator() ; iter.hasNext() ;) {
String amac = iter.next();
if (!amac.equals("0000000000E0")) {
sb.append(amac);
break;
}
}
}
catch (IOException e) {
e.printStackTrace();
}
macAddressStr = sb.toString();
}
return macAddressStr;
}
public static String getComputerName() {
if (computerName == null || computerName.equals("")) {
computerName = System.getenv().get("COMPUTERNAME");
}
return computerName;
}
private ComputerInfo() {
}
public static void main(String[] args) {
System.out.println(ComputerInfo.getMacAddress());
System.out.println(ComputerInfo.getComputerName());
}
}