.class public Lcom/common/uitl/Base64Coder;
.super Ljava/lang/Object;
.source "Base64Coder.java"


# static fields
.field private static final map1:[C

.field private static final map2:[B

.field private static final systemLineSeparator:Ljava/lang/String;


# direct methods
.method static constructor <clinit>()V
    .registers 6

    .line 33
    const-string v0, "line.separator"

    invoke-static {v0}, Ljava/lang/System;->getProperty(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    sput-object v0, Lcom/common/uitl/Base64Coder;->systemLineSeparator:Ljava/lang/String;

    const/16 v0, 0x40

    .line 36
    new-array v1, v0, [C

    sput-object v1, Lcom/common/uitl/Base64Coder;->map1:[C

    const/4 v1, 0x0

    const/16 v2, 0x41

    move v3, v1

    :goto_12
    const/16 v4, 0x5a

    if-gt v2, v4, :cond_21

    .line 39
    sget-object v4, Lcom/common/uitl/Base64Coder;->map1:[C

    add-int/lit8 v5, v3, 0x1

    aput-char v2, v4, v3

    add-int/lit8 v2, v2, 0x1

    int-to-char v2, v2

    move v3, v5

    goto :goto_12

    :cond_21
    const/16 v2, 0x61

    :goto_23
    const/16 v4, 0x7a

    if-gt v2, v4, :cond_32

    .line 40
    sget-object v4, Lcom/common/uitl/Base64Coder;->map1:[C

    add-int/lit8 v5, v3, 0x1

    aput-char v2, v4, v3

    add-int/lit8 v2, v2, 0x1

    int-to-char v2, v2

    move v3, v5

    goto :goto_23

    :cond_32
    const/16 v2, 0x30

    :goto_34
    const/16 v4, 0x39

    if-gt v2, v4, :cond_43

    .line 41
    sget-object v4, Lcom/common/uitl/Base64Coder;->map1:[C

    add-int/lit8 v5, v3, 0x1

    aput-char v2, v4, v3

    add-int/lit8 v2, v2, 0x1

    int-to-char v2, v2

    move v3, v5

    goto :goto_34

    .line 42
    :cond_43
    sget-object v2, Lcom/common/uitl/Base64Coder;->map1:[C

    add-int/lit8 v4, v3, 0x1

    const/16 v5, 0x2b

    aput-char v5, v2, v3

    const/16 v3, 0x2f

    aput-char v3, v2, v4

    const/16 v2, 0x80

    .line 45
    new-array v2, v2, [B

    sput-object v2, Lcom/common/uitl/Base64Coder;->map2:[B

    move v2, v1

    .line 47
    :goto_56
    sget-object v3, Lcom/common/uitl/Base64Coder;->map2:[B

    array-length v4, v3

    if-ge v2, v4, :cond_61

    const/4 v4, -0x1

    aput-byte v4, v3, v2

    add-int/lit8 v2, v2, 0x1

    goto :goto_56

    :cond_61
    :goto_61
    if-ge v1, v0, :cond_6f

    .line 48
    sget-object v2, Lcom/common/uitl/Base64Coder;->map2:[B

    sget-object v3, Lcom/common/uitl/Base64Coder;->map1:[C

    aget-char v3, v3, v1

    int-to-byte v4, v1

    aput-byte v4, v2, v3

    add-int/lit8 v1, v1, 0x1

    goto :goto_61

    :cond_6f
    return-void
.end method

.method private constructor <init>()V
    .registers 1

    .line 225
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static decode(Ljava/lang/String;)[B
    .registers 1

    .line 174
    invoke-virtual {p0}, Ljava/lang/String;->toCharArray()[C

    move-result-object p0

    invoke-static {p0}, Lcom/common/uitl/Base64Coder;->decode([C)[B

    move-result-object p0

    return-object p0
.end method

.method public static decode([C)[B
    .registers 3

    const/4 v0, 0x0

    .line 184
    array-length v1, p0

    invoke-static {p0, v0, v1}, Lcom/common/uitl/Base64Coder;->decode([CII)[B

    move-result-object p0

    return-object p0
.end method

.method public static decode([CII)[B
    .registers 13

    .line 196
    rem-int/lit8 v0, p2, 0x4

    if-nez v0, :cond_8c

    :goto_4
    if-lez p2, :cond_13

    add-int v0, p1, p2

    add-int/lit8 v0, v0, -0x1

    .line 197
    aget-char v0, p0, v0

    const/16 v1, 0x3d

    if-ne v0, v1, :cond_13

    add-int/lit8 p2, p2, -0x1

    goto :goto_4

    :cond_13
    mul-int/lit8 v0, p2, 0x3

    .line 198
    div-int/lit8 v0, v0, 0x4

    .line 199
    new-array v1, v0, [B

    add-int/2addr p2, p1

    const/4 v2, 0x0

    :goto_1b
    if-ge p1, p2, :cond_8b

    add-int/lit8 v3, p1, 0x1

    .line 204
    aget-char v4, p0, p1

    add-int/lit8 v5, p1, 0x2

    .line 205
    aget-char v3, p0, v3

    const/16 v6, 0x41

    if-ge v5, p2, :cond_2e

    add-int/lit8 p1, p1, 0x3

    .line 206
    aget-char v5, p0, v5

    goto :goto_30

    :cond_2e
    move p1, v5

    move v5, v6

    :goto_30
    if-ge p1, p2, :cond_39

    add-int/lit8 v6, p1, 0x1

    .line 207
    aget-char p1, p0, p1

    move v9, v6

    move v6, p1

    move p1, v9

    .line 208
    :cond_39
    const-string v7, "Illegal character in Base64 encoded data."

    const/16 v8, 0x7f

    if-gt v4, v8, :cond_85

    if-gt v3, v8, :cond_85

    if-gt v5, v8, :cond_85

    if-gt v6, v8, :cond_85

    .line 210
    sget-object v8, Lcom/common/uitl/Base64Coder;->map2:[B

    aget-byte v4, v8, v4

    .line 211
    aget-byte v3, v8, v3

    .line 212
    aget-byte v5, v8, v5

    .line 213
    aget-byte v6, v8, v6

    if-ltz v4, :cond_7f

    if-ltz v3, :cond_7f

    if-ltz v5, :cond_7f

    if-ltz v6, :cond_7f

    shl-int/lit8 v4, v4, 0x2

    ushr-int/lit8 v7, v3, 0x4

    or-int/2addr v4, v7

    and-int/lit8 v3, v3, 0xf

    shl-int/lit8 v3, v3, 0x4

    ushr-int/lit8 v7, v5, 0x2

    or-int/2addr v3, v7

    and-int/lit8 v5, v5, 0x3

    shl-int/lit8 v5, v5, 0x6

    or-int/2addr v5, v6

    add-int/lit8 v6, v2, 0x1

    int-to-byte v4, v4

    .line 219
    aput-byte v4, v1, v2

    if-ge v6, v0, :cond_75

    add-int/lit8 v2, v2, 0x2

    int-to-byte v3, v3

    .line 220
    aput-byte v3, v1, v6

    move v6, v2

    :cond_75
    if-ge v6, v0, :cond_7d

    add-int/lit8 v2, v6, 0x1

    int-to-byte v3, v5

    .line 221
    aput-byte v3, v1, v6

    goto :goto_1b

    :cond_7d
    move v2, v6

    goto :goto_1b

    .line 215
    :cond_7f
    new-instance p0, Ljava/lang/IllegalArgumentException;

    invoke-direct {p0, v7}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V

    throw p0

    .line 209
    :cond_85
    new-instance p0, Ljava/lang/IllegalArgumentException;

    invoke-direct {p0, v7}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V

    throw p0

    :cond_8b
    return-object v1

    .line 196
    :cond_8c
    new-instance p0, Ljava/lang/IllegalArgumentException;

    const-string p1, "Length of Base64 encoded input string is not a multiple of 4."

    invoke-direct {p0, p1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V

    throw p0
.end method

.method public static decodeLines(Ljava/lang/String;)[B
    .registers 7

    .line 158
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v0

    new-array v0, v0, [C

    const/4 v1, 0x0

    move v2, v1

    move v3, v2

    .line 160
    :goto_9
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v4

    if-ge v2, v4, :cond_2b

    .line 161
    invoke-virtual {p0, v2}, Ljava/lang/String;->charAt(I)C

    move-result v4

    const/16 v5, 0x20

    if-eq v4, v5, :cond_28

    const/16 v5, 0xd

    if-eq v4, v5, :cond_28

    const/16 v5, 0xa

    if-eq v4, v5, :cond_28

    const/16 v5, 0x9

    if-eq v4, v5, :cond_28

    add-int/lit8 v5, v3, 0x1

    .line 163
    aput-char v4, v0, v3

    move v3, v5

    :cond_28
    add-int/lit8 v2, v2, 0x1

    goto :goto_9

    .line 164
    :cond_2b
    invoke-static {v0, v1, v3}, Lcom/common/uitl/Base64Coder;->decode([CII)[B

    move-result-object p0

    return-object p0
.end method

.method public static decodeString(Ljava/lang/String;)Ljava/lang/String;
    .registers 2

    .line 147
    new-instance v0, Ljava/lang/String;

    invoke-static {p0}, Lcom/common/uitl/Base64Coder;->decode(Ljava/lang/String;)[B

    move-result-object p0

    invoke-direct {v0, p0}, Ljava/lang/String;-><init>([B)V

    return-object v0
.end method

.method public static encode([B)[C
    .registers 3

    const/4 v0, 0x0

    .line 98
    array-length v1, p0

    invoke-static {p0, v0, v1}, Lcom/common/uitl/Base64Coder;->encode([BII)[C

    move-result-object p0

    return-object p0
.end method

.method public static encode([BI)[C
    .registers 3

    const/4 v0, 0x0

    .line 108
    invoke-static {p0, v0, p1}, Lcom/common/uitl/Base64Coder;->encode([BII)[C

    move-result-object p0

    return-object p0
.end method

.method public static encode([BII)[C
    .registers 13

    mul-int/lit8 v0, p2, 0x4

    add-int/lit8 v0, v0, 0x2

    .line 119
    div-int/lit8 v0, v0, 0x3

    add-int/lit8 v1, p2, 0x2

    .line 120
    div-int/lit8 v1, v1, 0x3

    mul-int/lit8 v1, v1, 0x4

    .line 121
    new-array v1, v1, [C

    add-int/2addr p2, p1

    const/4 v2, 0x0

    move v3, v2

    :goto_11
    if-ge p1, p2, :cond_65

    add-int/lit8 v4, p1, 0x1

    .line 126
    aget-byte v5, p0, p1

    and-int/lit16 v6, v5, 0xff

    if-ge v4, p2, :cond_22

    add-int/lit8 p1, p1, 0x2

    .line 127
    aget-byte v4, p0, v4

    and-int/lit16 v4, v4, 0xff

    goto :goto_24

    :cond_22
    move p1, v4

    move v4, v2

    :goto_24
    if-ge p1, p2, :cond_2d

    add-int/lit8 v7, p1, 0x1

    .line 128
    aget-byte p1, p0, p1

    and-int/lit16 p1, p1, 0xff

    goto :goto_2f

    :cond_2d
    move v7, p1

    move p1, v2

    :goto_2f
    ushr-int/lit8 v6, v6, 0x2

    and-int/lit8 v5, v5, 0x3

    shl-int/lit8 v5, v5, 0x4

    ushr-int/lit8 v8, v4, 0x4

    or-int/2addr v5, v8

    and-int/lit8 v4, v4, 0xf

    shl-int/lit8 v4, v4, 0x2

    ushr-int/lit8 v8, p1, 0x6

    or-int/2addr v4, v8

    and-int/lit8 p1, p1, 0x3f

    add-int/lit8 v8, v3, 0x1

    .line 133
    sget-object v9, Lcom/common/uitl/Base64Coder;->map1:[C

    aget-char v6, v9, v6

    aput-char v6, v1, v3

    add-int/lit8 v6, v3, 0x2

    .line 134
    aget-char v5, v9, v5

    aput-char v5, v1, v8

    const/16 v5, 0x3d

    if-ge v6, v0, :cond_56

    .line 135
    aget-char v4, v9, v4

    goto :goto_57

    :cond_56
    move v4, v5

    :goto_57
    aput-char v4, v1, v6

    add-int/lit8 v4, v3, 0x3

    if-ge v4, v0, :cond_5f

    .line 136
    aget-char v5, v9, p1

    :cond_5f
    aput-char v5, v1, v4

    add-int/lit8 v3, v3, 0x4

    move p1, v7

    goto :goto_11

    :cond_65
    return-object v1
.end method

.method public static encodeLines([B)Ljava/lang/String;
    .registers 5

    .line 66
    array-length v0, p0

    const/16 v1, 0x4c

    sget-object v2, Lcom/common/uitl/Base64Coder;->systemLineSeparator:Ljava/lang/String;

    const/4 v3, 0x0

    invoke-static {p0, v3, v0, v1, v2}, Lcom/common/uitl/Base64Coder;->encodeLines([BIIILjava/lang/String;)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static encodeLines([BIIILjava/lang/String;)Ljava/lang/String;
    .registers 9

    mul-int/lit8 p3, p3, 0x3

    .line 78
    div-int/lit8 p3, p3, 0x4

    if-lez p3, :cond_38

    add-int v0, p2, p3

    add-int/lit8 v0, v0, -0x1

    .line 80
    div-int/2addr v0, p3

    add-int/lit8 v1, p2, 0x2

    .line 81
    div-int/lit8 v1, v1, 0x3

    mul-int/lit8 v1, v1, 0x4

    invoke-virtual {p4}, Ljava/lang/String;->length()I

    move-result v2

    mul-int/2addr v0, v2

    add-int/2addr v1, v0

    .line 82
    new-instance v0, Ljava/lang/StringBuilder;

    invoke-direct {v0, v1}, Ljava/lang/StringBuilder;-><init>(I)V

    const/4 v1, 0x0

    :goto_1d
    if-ge v1, p2, :cond_33

    sub-int v2, p2, v1

    .line 85
    invoke-static {v2, p3}, Ljava/lang/Math;->min(II)I

    move-result v2

    add-int v3, p1, v1

    .line 86
    invoke-static {p0, v3, v2}, Lcom/common/uitl/Base64Coder;->encode([BII)[C

    move-result-object v3

    invoke-virtual {v0, v3}, Ljava/lang/StringBuilder;->append([C)Ljava/lang/StringBuilder;

    .line 87
    invoke-virtual {v0, p4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    add-int/2addr v1, v2

    goto :goto_1d

    .line 89
    :cond_33
    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p0

    return-object p0

    .line 79
    :cond_38
    new-instance p0, Ljava/lang/IllegalArgumentException;

    invoke-direct {p0}, Ljava/lang/IllegalArgumentException;-><init>()V

    throw p0
.end method

.method public static encodeString(Ljava/lang/String;)Ljava/lang/String;
    .registers 2

    .line 57
    new-instance v0, Ljava/lang/String;

    invoke-virtual {p0}, Ljava/lang/String;->getBytes()[B

    move-result-object p0

    invoke-static {p0}, Lcom/common/uitl/Base64Coder;->encode([B)[C

    move-result-object p0

    invoke-direct {v0, p0}, Ljava/lang/String;-><init>([C)V

    return-object v0
.end method