.class public Lorg/apache/commons/codec/binary/Hex;
.super Ljava/lang/Object;
.source "Hex.java"

# interfaces
.implements Lorg/apache/commons/codec/BinaryEncoder;
.implements Lorg/apache/commons/codec/BinaryDecoder;


# static fields
.field private static final DIGITS:[C


# direct methods
.method public static constructor <clinit>()V
    .locals 1

    const/16 v0, 0x10

    new-array v0, v0, [C

    .line 1
    fill-array-data v0, :array_0

    sput-object v0, Lorg/apache/commons/codec/binary/Hex;->DIGITS:[C

    return-void

    :array_0
    .array-data 2
        0x30s
        0x31s
        0x32s
        0x33s
        0x34s
        0x35s
        0x36s
        0x37s
        0x38s
        0x39s
        0x61s
        0x62s
        0x63s
        0x64s
        0x65s
        0x66s
    .end array-data
.end method

.method public constructor <init>()V
    .locals 0

    .line 1
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static decodeHex([C)[B
    .locals 6
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/commons/codec/DecoderException;
        }
    .end annotation

    .line 1
    array-length v0, p0

    and-int/lit8 v1, v0, 0x1

    if-nez v1, :cond_1

    shr-int/lit8 v1, v0, 0x1

    .line 2
    new-array v1, v1, [B

    const/4 v2, 0x0

    move v3, v2

    :goto_0
    if-ge v2, v0, :cond_0

    .line 3
    aget-char v4, p0, v2

    invoke-static {v4, v2}, Lorg/apache/commons/codec/binary/Hex;->toDigit(CI)I

    move-result v4

    shl-int/lit8 v4, v4, 0x4

    add-int/lit8 v2, v2, 0x1

    .line 4
    aget-char v5, p0, v2

    invoke-static {v5, v2}, Lorg/apache/commons/codec/binary/Hex;->toDigit(CI)I

    move-result v5

    or-int/2addr v4, v5

    add-int/lit8 v2, v2, 0x1

    and-int/lit16 v4, v4, 0xff

    int-to-byte v4, v4

    .line 5
    aput-byte v4, v1, v3

    add-int/lit8 v3, v3, 0x1

    goto :goto_0

    :cond_0
    return-object v1

    .line 6
    :cond_1
    new-instance p0, Lorg/apache/commons/codec/DecoderException;

    const-string v0, "Odd number of characters."

    invoke-direct {p0, v0}, Lorg/apache/commons/codec/DecoderException;-><init>(Ljava/lang/String;)V

    throw p0
.end method

.method public static encodeHex([B)[C
    .locals 7

    .line 1
    array-length v0, p0

    shl-int/lit8 v1, v0, 0x1

    .line 2
    new-array v1, v1, [C

    const/4 v2, 0x0

    move v3, v2

    :goto_0
    if-ge v2, v0, :cond_0

    add-int/lit8 v4, v3, 0x1

    .line 3
    sget-object v5, Lorg/apache/commons/codec/binary/Hex;->DIGITS:[C

    aget-byte v6, p0, v2

    and-int/lit16 v6, v6, 0xf0

    ushr-int/lit8 v6, v6, 0x4

    aget-char v6, v5, v6

    aput-char v6, v1, v3

    add-int/lit8 v3, v4, 0x1

    .line 4
    aget-byte v6, p0, v2

    and-int/lit8 v6, v6, 0xf

    aget-char v5, v5, v6

    aput-char v5, v1, v4

    add-int/lit8 v2, v2, 0x1

    goto :goto_0

    :cond_0
    return-object v1
.end method

.method public static toDigit(CI)I
    .locals 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/commons/codec/DecoderException;
        }
    .end annotation

    const/16 v0, 0x10

    .line 1
    invoke-static {p0, v0}, Ljava/lang/Character;->digit(CI)I

    move-result v0

    const/4 v1, -0x1

    if-eq v0, v1, :cond_0

    return v0

    .line 2
    :cond_0
    new-instance v0, Lorg/apache/commons/codec/DecoderException;

    new-instance v1, Ljava/lang/StringBuffer;

    invoke-direct {v1}, Ljava/lang/StringBuffer;-><init>()V

    const-string v2, "Illegal hexadecimal charcter "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuffer;->append(Ljava/lang/String;)Ljava/lang/StringBuffer;

    invoke-virtual {v1, p0}, Ljava/lang/StringBuffer;->append(C)Ljava/lang/StringBuffer;

    const-string p0, " at index "

    invoke-virtual {v1, p0}, Ljava/lang/StringBuffer;->append(Ljava/lang/String;)Ljava/lang/StringBuffer;

    invoke-virtual {v1, p1}, Ljava/lang/StringBuffer;->append(I)Ljava/lang/StringBuffer;

    invoke-virtual {v1}, Ljava/lang/StringBuffer;->toString()Ljava/lang/String;

    move-result-object p0

    invoke-direct {v0, p0}, Lorg/apache/commons/codec/DecoderException;-><init>(Ljava/lang/String;)V

    throw v0
.end method


# virtual methods
.method public decode(Ljava/lang/Object;)Ljava/lang/Object;
    .locals 1
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/commons/codec/DecoderException;
        }
    .end annotation

    .line 2
    :try_start_0
    instance-of v0, p1, Ljava/lang/String;

    if-eqz v0, :cond_0

    check-cast p1, Ljava/lang/String;

    invoke-virtual {p1}, Ljava/lang/String;->toCharArray()[C

    move-result-object p1

    goto :goto_0

    :cond_0
    check-cast p1, [C

    .line 3
    :goto_0
    invoke-static {p1}, Lorg/apache/commons/codec/binary/Hex;->decodeHex([C)[B

    move-result-object p1
    :try_end_0
    .catch Ljava/lang/ClassCastException; {:try_start_0 .. :try_end_0} :catch_0

    return-object p1

    :catch_0
    move-exception p1

    .line 4
    new-instance v0, Lorg/apache/commons/codec/DecoderException;

    invoke-virtual {p1}, Ljava/lang/ClassCastException;->getMessage()Ljava/lang/String;

    move-result-object p1

    invoke-direct {v0, p1}, Lorg/apache/commons/codec/DecoderException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method public decode([B)[B
    .locals 1
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/commons/codec/DecoderException;
        }
    .end annotation

    .line 1
    new-instance v0, Ljava/lang/String;

    invoke-direct {v0, p1}, Ljava/lang/String;-><init>([B)V

    invoke-virtual {v0}, Ljava/lang/String;->toCharArray()[C

    move-result-object p1

    invoke-static {p1}, Lorg/apache/commons/codec/binary/Hex;->decodeHex([C)[B

    move-result-object p1

    return-object p1
.end method

.method public encode(Ljava/lang/Object;)Ljava/lang/Object;
    .locals 1
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/commons/codec/EncoderException;
        }
    .end annotation

    .line 2
    :try_start_0
    instance-of v0, p1, Ljava/lang/String;

    if-eqz v0, :cond_0

    check-cast p1, Ljava/lang/String;

    invoke-virtual {p1}, Ljava/lang/String;->getBytes()[B

    move-result-object p1

    goto :goto_0

    :cond_0
    check-cast p1, [B

    .line 3
    :goto_0
    invoke-static {p1}, Lorg/apache/commons/codec/binary/Hex;->encodeHex([B)[C

    move-result-object p1
    :try_end_0
    .catch Ljava/lang/ClassCastException; {:try_start_0 .. :try_end_0} :catch_0

    return-object p1

    :catch_0
    move-exception p1

    .line 4
    new-instance v0, Lorg/apache/commons/codec/EncoderException;

    invoke-virtual {p1}, Ljava/lang/ClassCastException;->getMessage()Ljava/lang/String;

    move-result-object p1

    invoke-direct {v0, p1}, Lorg/apache/commons/codec/EncoderException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method public encode([B)[B
    .locals 1

    .line 1
    new-instance v0, Ljava/lang/String;

    invoke-static {p1}, Lorg/apache/commons/codec/binary/Hex;->encodeHex([B)[C

    move-result-object p1

    invoke-direct {v0, p1}, Ljava/lang/String;-><init>([C)V

    invoke-virtual {v0}, Ljava/lang/String;->getBytes()[B

    move-result-object p1

    return-object p1
.end method