luckyimnotanigger/Aegis
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Rename package to com.beemdevelopment.aegis

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This commit is contained in:
Alexander Bakker 2019-02-07 22:39:33 +01:00
parent ceb03de240
commit 62425511a1
101 changed files with 366 additions and 362 deletions
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46
app/src/main/java/me/impy/aegis/encoding/Hex.java
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@ -1,46 +0,0 @@
package me.impy.aegis.encoding;
// The hexadecimal utility functions in this file were taken and modified from: http://www.docjar.com/html/api/com/sun/xml/internal/bind/DatatypeConverterImpl.java.html
// It is licensed under GPLv2 with a classpath exception.
public class Hex {
private Hex() {
}
private static int hexToBin(char ch) {
if ('0' <= ch && ch <= '9') return ch - '0';
if ('A' <= ch && ch <= 'F') return ch - 'A' + 10;
if ('a' <= ch && ch <= 'f') return ch - 'a' + 10;
return -1;
}
private static final char[] hexCode = "0123456789abcdef".toCharArray();
public static byte[] decode(String s) throws HexException {
final int len = s.length();
if (len % 2 != 0)
throw new HexException("hexBinary needs to be even-length: " + s);
byte[] out = new byte[len / 2];
for (int i = 0; i < len; i += 2) {
int h = hexToBin(s.charAt(i));
int l = hexToBin(s.charAt(i + 1));
if (h == -1 || l == -1)
throw new HexException("contains illegal character for hexBinary: " + s);
out[i / 2] = (byte) (h * 16 + l);
}
return out;
}
public static String encode(byte[] data) {
StringBuilder r = new StringBuilder(data.length * 2);
for (byte b : data) {
r.append(hexCode[(b >> 4) & 0xF]);
r.append(hexCode[(b & 0xF)]);
}
return r.toString();
}
}