libcore.util

Class HexEncoding

java.lang.Object

libcore.util.HexEncoding

public class HexEncoding
extends Object

Hexadecimal encoding where each byte is represented by two hexadecimal digits.

Method Summary

Modifier and Type	Method and Description
static byte[]	decode(char[] encoded, boolean allowSingleChar) Decodes the provided hexadecimal string into a byte array.
static char[]	encode(byte[] data) Encodes the provided data as a sequence of hexadecimal characters.
static char[]	encode(byte[] data, int offset, int len) Encodes the provided data as a sequence of hexadecimal characters.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

encode

public static char[] encode(byte[] data)

Encodes the provided data as a sequence of hexadecimal characters.

encode

public static char[] encode(byte[] data,
                            int offset,
                            int len)

Encodes the provided data as a sequence of hexadecimal characters.

decode

public static byte[] decode(char[] encoded,
                            boolean allowSingleChar)
                     throws IllegalArgumentException

Decodes the provided hexadecimal string into a byte array. If allowSingleChar is true odd-length inputs are allowed and the first character is interpreted as the lower bits of the first result byte. Throws an IllegalArgumentException if the input is malformed.

Throws:

IllegalArgumentException