java编程实现获取服务器IP地址及MAC地址的方法

import java.net.InetAddress;import java.net.NetworkInterface;import java.net.SocketException;import java.util.ArrayList;import java.util.Enumeration;import java.util.List;public class IpUtil { private IpUtil(){} /**  * 此方法描述的是：获得服务器的IP地址  * @author: zhangyang33@sinopharm.com  * @version: 2014年9月5日 下午4:57:15  */ public static String getLocalIP() {  String sIP = "";  InetAddress ip = null;  try {   boolean bFindIP = false;   Enumeration<NetworkInterface> netInterfaces = (Enumeration<NetworkInterface>) NetworkInterface     .getNetworkInterfaces();   while (netInterfaces.hasMoreElements()) {    if (bFindIP) {     break;    }    NetworkInterface ni = (NetworkInterface) netInterfaces      .nextElement();    Enumeration<InetAddress> ips = ni.getInetAddresses();    while (ips.hasMoreElements()) {     ip = (InetAddress) ips.nextElement();     if (!ip.isLoopbackAddress()        && ip.getHostAddress().matches(         "(//d{1,3}//.){3}//d{1,3}")) {      bFindIP = true;      break;     }    }   }  } catch (Exception e) {   OutUtil.error(IpUtil.class, e.getMessage());  }  if (null != ip) {   sIP = ip.getHostAddress();  }  return sIP; } /**  * 此方法描述的是：获得服务器的IP地址(多网卡)  * @author: zhangyang33@sinopharm.com  * @version: 2014年9月5日 下午4:57:15  */ public static List<String> getLocalIPS() {  InetAddress ip = null;  List<String> ipList = new ArrayList<String>();  try {   Enumeration<NetworkInterface> netInterfaces = (Enumeration<NetworkInterface>) NetworkInterface     .getNetworkInterfaces();   while (netInterfaces.hasMoreElements()) {    NetworkInterface ni = (NetworkInterface) netInterfaces      .nextElement();    Enumeration<InetAddress> ips = ni.getInetAddresses();    while (ips.hasMoreElements()) {     ip = (InetAddress) ips.nextElement();     if (!ip.isLoopbackAddress()        && ip.getHostAddress().matches(         "(//d{1,3}//.){3}//d{1,3}")) {      ipList.add(ip.getHostAddress());     }    }   }  } catch (Exception e) {   OutUtil.error(IpUtil.class, e.getMessage());  }  return ipList; } /**  * 此方法描述的是：获得服务器的MAC地址  * @author: zhangyang33@sinopharm.com  * @version: 2014年9月5日 下午1:27:25  */ public static String getMacId() {  String macId = "";  InetAddress ip = null;  NetworkInterface ni = null;  try {   boolean bFindIP = false;   Enumeration<NetworkInterface> netInterfaces = (Enumeration<NetworkInterface>) NetworkInterface     .getNetworkInterfaces();   while (netInterfaces.hasMoreElements()) {    if (bFindIP) {     break;    }    ni = (NetworkInterface) netInterfaces      .nextElement();    // ----------特定情况，可以考虑用ni.getName判断    // 遍历所有ip    Enumeration<InetAddress> ips = ni.getInetAddresses();    while (ips.hasMoreElements()) {     ip = (InetAddress) ips.nextElement();     if (!ip.isLoopbackAddress() // 非127.0.0.1       && ip.getHostAddress().matches(         "(//d{1,3}//.){3}//d{1,3}")) {      bFindIP = true;      break;     }    }   }  } catch (Exception e) {   OutUtil.error(IpUtil.class, e.getMessage());  }  if (null != ip) {   try {    macId = getMacFromBytes(ni.getHardwareAddress());   } catch (SocketException e) {    OutUtil.error(IpUtil.class, e.getMessage());   }  }  return macId; } /**  * 此方法描述的是：获得服务器的MAC地址(多网卡)  * @author: zhangyang33@sinopharm.com  * @version: 2014年9月5日 下午1:27:25  */ public static List<String> getMacIds() {  InetAddress ip = null;  NetworkInterface ni = null;  List<String> macList = new ArrayList<String>();  try {   Enumeration<NetworkInterface> netInterfaces = (Enumeration<NetworkInterface>) NetworkInterface     .getNetworkInterfaces();   while (netInterfaces.hasMoreElements()) {    ni = (NetworkInterface) netInterfaces      .nextElement();    // ----------特定情况，可以考虑用ni.getName判断    // 遍历所有ip    Enumeration<InetAddress> ips = ni.getInetAddresses();    while (ips.hasMoreElements()) {     ip = (InetAddress) ips.nextElement();     if (!ip.isLoopbackAddress() // 非127.0.0.1       && ip.getHostAddress().matches(         "(//d{1,3}//.){3}//d{1,3}")) {      macList.add(getMacFromBytes(ni.getHardwareAddress()));     }    }   }  } catch (Exception e) {   OutUtil.error(IpUtil.class, e.getMessage());  }  return macList; } private static String getMacFromBytes(byte[] bytes) {  StringBuffer mac = new StringBuffer();  byte currentByte;  boolean first = false;  for (byte b : bytes) {   if (first) {    mac.append("-");   }   currentByte = (byte) ((b & 240) >> 4);   mac.append(Integer.toHexString(currentByte));   currentByte = (byte) (b & 15);   mac.append(Integer.toHexString(currentByte));   first = true;  }  return mac.toString().toUpperCase(); }}