package com.cloudssaas.util;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.InetAddress;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: 
     
       //* 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>
         * abstract 限制继承/创建实例 *//********************************************************************************/public abstract 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);    /**     * 获取多个网卡地址     *      * @return     * @throws IOException     */    private final static List
        
          getMacAddressList() throws IOException {        final ArrayList
         
           macAddressList = new ArrayList
          
           (); 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); } // 执行命令 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; } /** * 获取一个网卡地址（多个网卡时从中获取一个） * * @return */ 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
           
             macList = getMacAddressList(); for (Iterator
            
              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; } /** * 获取电脑名 * * @return */ public static String getComputerName() { if (computerName == null || computerName.equals("")) { computerName = System.getenv().get("COMPUTERNAME"); } return computerName; } /** * 获取客户端IP地址 * * @return */ public static String getIpAddrAndName() throws IOException { return InetAddress.getLocalHost().toString(); } /** * 获取客户端IP地址 * * @return */ public static String getIpAddr() throws IOException { return InetAddress.getLocalHost().getHostAddress().toString(); } /** * 获取电脑唯一标识 * * @return */ public static String getComputerID() { String id = getMacAddress(); if (id == null || id.equals("")) { try { id = getIpAddrAndName(); } catch (IOException e) { e.printStackTrace(); } } return computerName; } /** * 限制创建实例 */ private ComputerInfo() { } public static void main(String[] args) throws IOException { System.out.println(ComputerInfo.getMacAddress()); System.out.println(ComputerInfo.getComputerName()); System.out.println(ComputerInfo.getIpAddr()); System.out.println(ComputerInfo.getIpAddrAndName()); }}
            
           
          
         
        
       
      
     

 

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