SystemInfoUitl

开发者博客：http://www.developsearch.com

/**
 * 获取系统信息
 * 
 * @author chenxin
 * @version [版本号, 2012-5-21]
 * @see [相关类/方法]
 * @since [产品/模块版本]
 */
public class SystemInfoUitl {

	/**
	 * 系统属性
	 */
	private static final Properties props = System.getProperties();
	
	public static final String OSNAME = "os.name";
	
	public static final String OSVERSION = "os.version";
	
	public static final String JAVAVERSION = "java.version";
	
	/**
	 * 获取操作系统名称 
	 * @return  操作系统名称
	 */
	public static String getSystemOS()
	{
		return props.getProperty(OSNAME);
	}
	
	/**
	 * 获取操作系统版本
	 * @return
	 */
	public static String getSysteOSVersion()
	{
		return props.getProperty(OSVERSION);
	}
	
	/**
	 * 获取java运行时的环境版本
	 * @return
	 */
	public static String getJavaVersion()
	{
		return props.getProperty(JAVAVERSION);
	}



    /**
     * 获取linux网卡的mac地址. 系统默认调用本方法获取.如果有特殊系统请继续扩充新的取mac地址方法.
     * 
     * @return mac地址
     */
    public static String getLinuxAllMACAddr()
    {
        StringBuffer sbMac = new StringBuffer();
        BufferedReader br = null;
        Process process = null;
        try
        {
            // linux下的命令获取所有网卡的mac地址
            process = Runtime.getRuntime().exec("ifconfig -a");// linux下的命令获取所有网卡的mac地址
            br = new BufferedReader(new InputStreamReader(process.getInputStream()));
            String strLine = null;
            int iTmpIndx = 0;
            while ((strLine = br.readLine()) != null)
            {
                // System.out.println(strLine);
                iTmpIndx = strLine.toLowerCase().indexOf("hwaddr");
                if (strLine.startsWith("eth") && iTmpIndx > 0)// 如果以指定的字符串开头并包含指定的字符串
                {
                    strLine = strLine.substring(iTmpIndx + "hwaddr".length() + 1).trim();
                    sbMac.append(strLine.replaceAll(":", ""));// 拼接mac地址
                }
            }
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        finally
        {
            try
            {
                if (null != br)
                {
                    br.close();
                }
            }
            catch (IOException e1)
            {
                e1.printStackTrace();
            }
            br = null;
            process = null;
        }

        return sbMac.toString();
    }

    /**
     * 获取widnows网卡的mac地址.
     * 
     * @return mac地址
     */
    public static String getWindowsAllMACAddress()
    {
        StringBuffer sbMac = new StringBuffer();
        BufferedReader br = null;
        Process process = null;
        try
        {
            process = Runtime.getRuntime().exec("ipconfig /all");// windows下的命令，显示信息中包含有mac地址信息
            br = new BufferedReader(new InputStreamReader(process.getInputStream()));
            String strLine = null;
            int iTmpIndx = -1;
            while ((strLine = br.readLine()) != null)
            {
                iTmpIndx = strLine.toLowerCase().indexOf("physical address");// 寻找标示字符串[physical address]
                if (iTmpIndx >= 0)// 找到了
                {
                    iTmpIndx = strLine.indexOf(":");// 寻找":"的位置
                    if (iTmpIndx >= 0)
                    {
                        strLine = strLine.substring(iTmpIndx + 1).trim();// 取出mac地址并去除2边空格
                        strLine = strLine.replaceAll("-", "");
                        sbMac.append(strLine);
                    }
                }
            }
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        finally
        {
            try
            {
                if (br != null)
                {
                    br.close();
                }
            }
            catch (IOException e1)
            {
                e1.printStackTrace();
            }
            br = null;
            process = null;
        }

        return sbMac.toString();
    }



}