package com.walker.security;
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import java.net.InetAddress;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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import java.net.UnknownHostException;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.List;
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public class DefaultLocalSpider implements LocalSpider {
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private static final String host = "*.*.*.*";
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private List<String> identifiers = null;
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// @Override
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public String getMyIdentifier() {
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List<String> values = getMacAddresses();
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if(values == null || values.size() == 0){
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throw new Error("not found spider my identifier!");
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}
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return values.get(0);
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}
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// @Override
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public List<String> getMyIdentifiers() {
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return doGetMyIdentifiers();
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}
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private List<String> doGetMyIdentifiers(){
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if(this.identifiers == null){
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identifiers = getMacAddresses();
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}
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if(identifiers == null || identifiers.equals(""))
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throw new IllegalArgumentException();
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return identifiers;
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}
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// private List<String> getIpAddresses(){
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// Enumeration<NetworkInterface> el;
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// List<String> addresses = new ArrayList<String>();
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// StringBuilder sb = new StringBuilder();
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// try {
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// el = NetworkInterface.getNetworkInterfaces();
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// NetworkInterface ni = null;
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// while (el.hasMoreElements()) {
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// ni = el.nextElement();
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//// if(ni.isLoopback()) continue;
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// if(ni.isVirtual()) continue;
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// if(!ni.isUp()) continue;
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//// System.out.println("---- 网卡: " + ni.getDisplayName() + ", isLive: " + ni.isUp() + ", isVirtual = " + ni.isVirtual() + ", isLoop = " + ni.isLoopback());
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// byte[] mac = ni.getHardwareAddress();
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// if(mac != null && mac.length != 0){
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// sb.delete(0, sb.length());
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// String hexString = null;
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// for(byte b : mac){
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// hexString = Integer.toHexString(b & 0xFF);
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// sb.append((hexString.length() == 1) ? "0" + hexString : hexString);
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// }
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// addresses.add(sb.toString());
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// }
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// }
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// System.out.println(addresses);
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//
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// } catch (SocketException e1) {
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// e1.printStackTrace();
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// throw new Error();
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// }
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// return addresses;
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// }
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/**
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* 返回可用的网卡Mac地址集合
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* @return
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*/
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private List<String> getMacAddresses(){
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Enumeration<NetworkInterface> el;
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List<String> addresses = new ArrayList<String>();
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StringBuffer sb = new StringBuffer();
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try {
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el = NetworkInterface.getNetworkInterfaces();
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NetworkInterface ni = null;
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while (el.hasMoreElements()) {
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ni = el.nextElement();
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if(ni.isLoopback()) continue;
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if(ni.isVirtual()) continue;
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if(!ni.isUp()) continue;
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// System.out.println("---- 网卡: " + ni.getDisplayName() + ", isLive: " + ni.isUp() + ", isVirtual = " + ni.isVirtual() + ", isLoop = " + ni.isLoopback());
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byte[] mac = ni.getHardwareAddress();
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if(mac != null && mac.length != 0){
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sb.delete(0, sb.length());
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String hexString = null;
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for(byte b : mac){
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hexString = Integer.toHexString(b & 0xFF);
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sb.append((hexString.length() == 1) ? "0" + hexString : hexString);
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}
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addresses.add(sb.toString());
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}
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}
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System.out.println(addresses);
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} catch (SocketException e1) {
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e1.printStackTrace();
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throw new Error();
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}
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return addresses;
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}
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String getMacAddress(){
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String mac = "";
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StringBuffer sb = new StringBuffer();
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try {
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NetworkInterface el = NetworkInterface.getByInetAddress(InetAddress.getByName(host));
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byte[] macs = el.getHardwareAddress();
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for(int i=0; i<macs.length; i++) {
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mac = Integer.toHexString(macs[i] & 0xFF);
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if(mac.length() == 1){
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mac = '0' + mac;
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}
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sb.append(mac + "-");
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}
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} catch (SocketException e1) {
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e1.printStackTrace();
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throw new Error();
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} catch(UnknownHostException ex){
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ex.printStackTrace();
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throw new Error();
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}
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mac = sb.toString();
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mac = mac.substring(0, mac.length()-1);
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return mac;
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}
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// private String hexByte(byte b) {
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// String s = "000000" + Integer.toHexString(b);
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// return s.substring(s.length() - 2);
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// }
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// public static void main(String[] args){
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// LocalSpider spider = new DefaultLocalSpider();
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// spider.getMyIdentifier();
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// }
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}
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