curry772
63 lines
1.9 KiB
Java
63 lines
1.9 KiB
Java
package com.eactive.eai.util;
|
|
|
|
public class HexaConverter {
|
|
public static final String bytesToHexa(byte[] abyte) {
|
|
StringBuilder s = new StringBuilder();
|
|
if (abyte == null)
|
|
return s.toString();
|
|
for (int i = 0; i < abyte.length; i++) {
|
|
s.append( Integer.toHexString((abyte[i] & 0xf0) >> 4) )
|
|
.append( Integer.toHexString(abyte[i] & 0xf));
|
|
}
|
|
return s.toString();
|
|
}
|
|
|
|
public static final byte[] hexaToBytes(String hexa) {
|
|
if((hexa.length() % 2) != 0) return null;
|
|
byte[] bytes = new byte[hexa.length() / 2];
|
|
|
|
String hexaBytes = null;
|
|
for(int i=0; i <bytes.length;i++) {
|
|
hexaBytes = hexa.substring(i*2, i*2+2);
|
|
int byteBit = Integer.parseInt(hexaBytes, 16);
|
|
bytes[i] = (byte)byteBit;
|
|
}
|
|
return bytes;
|
|
}
|
|
|
|
public static String binToHex(byte[] bytes) {
|
|
StringBuilder sb = new StringBuilder(bytes.length * 2);
|
|
for (byte b : bytes) {
|
|
sb.append(String.format("%02X", b));
|
|
}
|
|
return sb.toString();
|
|
}
|
|
|
|
public static byte[] hexToBin(String hexStr) {
|
|
String lookup = "0123456789ABCDEF";
|
|
|
|
int len = hexStr.length();
|
|
byte[] bArray = new byte[len / 2];
|
|
|
|
for (int i = 0; i < bArray.length; i++) {
|
|
char highChar = Character.toUpperCase(hexStr.charAt(i * 2));
|
|
char lowChar = Character.toUpperCase(hexStr.charAt(i * 2 + 1));
|
|
|
|
int high = lookup.indexOf(highChar);
|
|
int low = lookup.indexOf(lowChar);
|
|
|
|
bArray[i] = (byte) ((high << 4) | low);
|
|
}
|
|
|
|
return bArray;
|
|
}
|
|
|
|
// public static void main(String[] argv) {
|
|
// String str = "TEST\nÇѱÛ";
|
|
// String hexStr = HexaConverter.bytesToHexa(str.getBytes());
|
|
// System.out.println(hexStr);
|
|
// System.out.println(new String(HexaConverter.hexaToBytes(hexStr), Charset.forName("euc-kr") ) );
|
|
// System.out.println(new String(HexaConverter.hexaToBytes(hexStr)) );
|
|
// }
|
|
}
|