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/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2023 ZeroTier, Inc. https://www.zerotier.com/
*/
package com.zerotier.sdk.util;
public class StringUtils {
/**
* Convert mac address to string.
*
* @param mac MAC address
* @return string in XX:XX:XX:XX:XX:XX format
*/
public static String macAddressToString(long mac) {
int[] macChars = new int[6];
for (int i = 0; i < 6; i++) {
macChars[i] = (int) (mac % 256);
mac >>= 8;
}
return String.format("%02x:%02x:%02x:%02x:%02x:%02x", macChars[5], macChars[4], macChars[3], macChars[2], macChars[1], macChars[0]);
}
/**
* Convert long to hex string.
*
* @param networkId long
* @return string with 0 padding
*/
public static String networkIdToString(long networkId) {
return String.format("%016x", networkId);
}
/**
* Convert node address to string.
*
* Node addresses are 40 bits, so print 10 hex characters.
*
* @param address Node address
* @return formatted string
*/
public static String addressToString(long address) {
return String.format("%010x", address);
}
public static String etherTypeToString(long etherType) {
return String.format("%04x", etherType);
}
}
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