package com.ctrip.framework.apollo.core.utils;
/**
* @author Jason Song(song_s@ctrip.com)
*/
public class ByteUtil {
private static final char[] HEX_CHARS = new char[] {
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
public static byte int3(final int x) {
return (byte) (x >> 24);
}
public static byte int2(final int x) {
return (byte) (x >> 16);
}
public static byte int1(final int x) {
return (byte) (x >> 8);
}
public static byte int0(final int x) {
return (byte) (x);
}
public static String toHexString(byte[] bytes) {
char[] chars = new char[bytes.length * 2];
int i = 0;
for (byte b : bytes) {
chars[i++] = HEX_CHARS[b >> 4 & 0xF];
chars[i++] = HEX_CHARS[b & 0xF];
}
return new String(chars);
}
}