63 lines
2.1 KiB
Java
63 lines
2.1 KiB
Java
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/*
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* This file is part of the Wildfire Chat package.
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* (c) Heavyrain2012 <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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package win.liyufan.im;
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import org.slf4j.Logger;
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import java.net.*;
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import java.util.Enumeration;
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public class Utility {
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public static InetAddress getLocalAddress(){
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try {
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Enumeration<NetworkInterface> b = NetworkInterface.getNetworkInterfaces();
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while( b.hasMoreElements()){
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for ( InterfaceAddress f : b.nextElement().getInterfaceAddresses())
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if ( f.getAddress().isSiteLocalAddress())
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return f.getAddress();
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}
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} catch (SocketException e) {
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e.printStackTrace();
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}
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return null;
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}
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public static void printExecption(Logger LOG, Exception e) {
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String message = "";
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for(StackTraceElement stackTraceElement : e.getStackTrace()) {
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message = message + System.lineSeparator() + stackTraceElement.toString();
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}
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LOG.error("Exception: {}", e.getMessage());
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LOG.error(message);
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}
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public static String getMacAddress() throws UnknownHostException,
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SocketException {
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InetAddress ipAddress = InetAddress.getLocalHost();
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NetworkInterface networkInterface = NetworkInterface
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.getByInetAddress(ipAddress);
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byte[] macAddressBytes = networkInterface.getHardwareAddress();
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StringBuilder macAddressBuilder = new StringBuilder();
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for (int macAddressByteIndex = 0; macAddressByteIndex < macAddressBytes.length; macAddressByteIndex++) {
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String macAddressHexByte = String.format("%02X",
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macAddressBytes[macAddressByteIndex]);
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macAddressBuilder.append(macAddressHexByte);
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if (macAddressByteIndex != macAddressBytes.length - 1)
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{
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macAddressBuilder.append(":");
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}
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}
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return macAddressBuilder.toString();
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}
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}
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