graphenej/src/main/java/com/luminiasoft/bitshares/Util.java
2016-11-21 12:50:30 -05:00

28 lines
860 B
Java

package com.luminiasoft.bitshares;
/**
* Created by nelson on 11/8/16.
*/
public class Util {
final private static char[] hexArray = "0123456789abcdef".toCharArray();
public static byte[] hexToBytes(String s) {
int len = s.length();
byte[] data = new byte[len / 2];
for (int i = 0; i < len; i += 2) {
data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
+ Character.digit(s.charAt(i+1), 16));
}
return data;
}
public static String bytesToHex(byte[] bytes) {
char[] hexChars = new char[bytes.length * 2];
for ( int j = 0; j < bytes.length; j++ ) {
int v = bytes[j] & 0xFF;
hexChars[j * 2] = hexArray[v >>> 4];
hexChars[j * 2 + 1] = hexArray[v & 0x0F];
}
return new String(hexChars);
}
}