CachedContentIndex.smali

.class Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;
.super Ljava/lang/Object;
.source "CachedContentIndex.java"


# static fields
.field public static final FILE_NAME:Ljava/lang/String; = "cached_content_index.exi"

.field private static final FLAG_ENCRYPTED_INDEX:I

.field private static final VERSION:I


# instance fields
.field private final atomicFile:Lcom/google/android/exoplayer2/util/AtomicFile;

.field private bufferedOutputStream:Lcom/google/android/exoplayer2/util/ReusableBufferedOutputStream;

.field private changed:Z

.field private final cipher:Ljavax/crypto/Cipher;

.field private final encrypt:Z

.field private final idToKey:Landroid/util/SparseArray;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Landroid/util/SparseArray<",
            "Ljava/lang/String;",
            ">;"
        }
    .end annotation
.end field

.field private final keyToContent:Ljava/util/HashMap;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Ljava/util/HashMap<",
            "Ljava/lang/String;",
            "Lcom/google/android/exoplayer2/upstream/cache/CachedContent;",
            ">;"
        }
    .end annotation
.end field

.field private final removedIds:Landroid/util/SparseBooleanArray;

.field private final secretKeySpec:Ljavax/crypto/spec/SecretKeySpec;


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

    const v0, 0x156e

    invoke-static {v0}, Lnp/NPFog;->d(I)I

    move-result v0

    sput v0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->FLAG_ENCRYPTED_INDEX:I

    const v0, 0x156d

    invoke-static {v0}, Lnp/NPFog;->d(I)I

    move-result v0

    sput v0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->VERSION:I

    return-void
.end method

.method public constructor <init>(Ljava/io/File;)V
    .registers 3
    .param p1, "cacheDir"    # Ljava/io/File;

    .line 95
    const/4 v0, 0x0

    invoke-direct {p0, p1, v0}, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;-><init>(Ljava/io/File;[B)V

    .line 96
    return-void
.end method

.method public constructor <init>(Ljava/io/File;[B)V
    .registers 4
    .param p1, "cacheDir"    # Ljava/io/File;
    .param p2, "secretKey"    # [B

    .line 105
    if-eqz p2, :cond_4

    const/4 v0, 0x1

    goto :goto_5

    :cond_4
    const/4 v0, 0x0

    :goto_5
    invoke-direct {p0, p1, p2, v0}, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;-><init>(Ljava/io/File;[BZ)V

    .line 106
    return-void
.end method

.method public constructor <init>(Ljava/io/File;[BZ)V
    .registers 7
    .param p1, "cacheDir"    # Ljava/io/File;
    .param p2, "secretKey"    # [B
    .param p3, "encrypt"    # Z

    .line 116
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 117
    iput-boolean p3, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->encrypt:Z

    .line 118
    if-eqz p2, :cond_2b

    .line 119
    array-length v0, p2

    const/16 v1, 0x10

    if-ne v0, v1, :cond_e

    const/4 v0, 0x1

    goto :goto_f

    :cond_e
    const/4 v0, 0x0

    :goto_f
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkArgument(Z)V

    .line 121
    :try_start_12
    invoke-static {}, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->getCipher()Ljavax/crypto/Cipher;

    move-result-object v0

    iput-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->cipher:Ljavax/crypto/Cipher;

    .line 122
    new-instance v0, Ljavax/crypto/spec/SecretKeySpec;

    const-string v1, "AES"

    invoke-direct {v0, p2, v1}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V

    iput-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->secretKeySpec:Ljavax/crypto/spec/SecretKeySpec;
    :try_end_21
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_12 .. :try_end_21} :catch_24
    .catch Ljavax/crypto/NoSuchPaddingException; {:try_start_12 .. :try_end_21} :catch_22

    .line 125
    goto :goto_35

    .line 123
    :catch_22
    move-exception v0

    goto :goto_25

    :catch_24
    move-exception v0

    .line 124
    .local v0, "e":Ljava/security/GeneralSecurityException;
    :goto_25
    new-instance v1, Ljava/lang/IllegalStateException;

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

    throw v1

    .line 127
    .end local v0    # "e":Ljava/security/GeneralSecurityException;
    :cond_2b
    xor-int/lit8 v0, p3, 0x1

    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    .line 128
    const/4 v0, 0x0

    iput-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->cipher:Ljavax/crypto/Cipher;

    .line 129
    iput-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->secretKeySpec:Ljavax/crypto/spec/SecretKeySpec;

    .line 131
    :goto_35
    new-instance v0, Ljava/util/HashMap;

    invoke-direct {v0}, Ljava/util/HashMap;-><init>()V

    iput-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->keyToContent:Ljava/util/HashMap;

    .line 132
    new-instance v0, Landroid/util/SparseArray;

    invoke-direct {v0}, Landroid/util/SparseArray;-><init>()V

    iput-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->idToKey:Landroid/util/SparseArray;

    .line 133
    new-instance v0, Landroid/util/SparseBooleanArray;

    invoke-direct {v0}, Landroid/util/SparseBooleanArray;-><init>()V

    iput-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->removedIds:Landroid/util/SparseBooleanArray;

    .line 134
    new-instance v0, Lcom/google/android/exoplayer2/util/AtomicFile;

    new-instance v1, Ljava/io/File;

    const-string v2, "cached_content_index.exi"

    invoke-direct {v1, p1, v2}, Ljava/io/File;-><init>(Ljava/io/File;Ljava/lang/String;)V

    invoke-direct {v0, v1}, Lcom/google/android/exoplayer2/util/AtomicFile;-><init>(Ljava/io/File;)V

    iput-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->atomicFile:Lcom/google/android/exoplayer2/util/AtomicFile;

    .line 135
    return-void
.end method

.method private add(Lcom/google/android/exoplayer2/upstream/cache/CachedContent;)V
    .registers 5
    .param p1, "cachedContent"    # Lcom/google/android/exoplayer2/upstream/cache/CachedContent;

    .line 354
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->keyToContent:Ljava/util/HashMap;

    iget-object v1, p1, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->key:Ljava/lang/String;

    invoke-virtual {v0, v1, p1}, Ljava/util/HashMap;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;

    .line 355
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->idToKey:Landroid/util/SparseArray;

    iget v1, p1, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->id:I

    iget-object v2, p1, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->key:Ljava/lang/String;

    invoke-virtual {v0, v1, v2}, Landroid/util/SparseArray;->put(ILjava/lang/Object;)V

    .line 356
    return-void
.end method

.method private addNew(Ljava/lang/String;)Lcom/google/android/exoplayer2/upstream/cache/CachedContent;
    .registers 5
    .param p1, "key"    # Ljava/lang/String;

    .line 346
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->idToKey:Landroid/util/SparseArray;

    invoke-static {v0}, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->getNewId(Landroid/util/SparseArray;)I

    move-result v0

    .line 347
    .local v0, "id":I
    new-instance v1, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;

    invoke-direct {v1, v0, p1}, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;-><init>(ILjava/lang/String;)V

    .line 348
    .local v1, "cachedContent":Lcom/google/android/exoplayer2/upstream/cache/CachedContent;
    invoke-direct {p0, v1}, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->add(Lcom/google/android/exoplayer2/upstream/cache/CachedContent;)V

    .line 349
    const/4 v2, 0x1

    iput-boolean v2, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->changed:Z

    .line 350
    return-object v1
.end method

.method private static getCipher()Ljavax/crypto/Cipher;
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljavax/crypto/NoSuchPaddingException;,
            Ljava/security/NoSuchAlgorithmException;
        }
    .end annotation

    .line 360
    sget v0, Lcom/google/android/exoplayer2/util/Util;->SDK_INT:I

    const-string v1, "AES/CBC/PKCS5PADDING"

    const/16 v2, 0x12

    if-ne v0, v2, :cond_10

    .line 362
    :try_start_8
    const-string v0, "BC"

    invoke-static {v1, v0}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object v0
    :try_end_e
    .catchall {:try_start_8 .. :try_end_e} :catchall_f

    return-object v0

    .line 363
    :catchall_f
    move-exception v0

    .line 367
    :cond_10
    invoke-static {v1}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object v0

    return-object v0
.end method

.method public static getNewId(Landroid/util/SparseArray;)I
    .registers 4
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "(",
            "Landroid/util/SparseArray<",
            "Ljava/lang/String;",
            ">;)I"
        }
    .end annotation

    .line 377
    .local p0, "idToKey":Landroid/util/SparseArray;, "Landroid/util/SparseArray<Ljava/lang/String;>;"
    invoke-virtual {p0}, Landroid/util/SparseArray;->size()I

    move-result v0

    .line 378
    .local v0, "size":I
    if-nez v0, :cond_8

    const/4 v1, 0x0

    goto :goto_10

    :cond_8
    add-int/lit8 v1, v0, -0x1

    invoke-virtual {p0, v1}, Landroid/util/SparseArray;->keyAt(I)I

    move-result v1

    add-int/lit8 v1, v1, 0x1

    .line 379
    .local v1, "id":I
    :goto_10
    if-gez v1, :cond_1f

    .line 381
    const/4 v1, 0x0

    :goto_13
    if-ge v1, v0, :cond_1f

    .line 382
    invoke-virtual {p0, v1}, Landroid/util/SparseArray;->keyAt(I)I

    move-result v2

    if-eq v1, v2, :cond_1c

    .line 383
    goto :goto_1f

    .line 381
    :cond_1c
    add-int/lit8 v1, v1, 0x1

    goto :goto_13

    .line 387
    :cond_1f
    :goto_1f
    return v1
.end method

.method private readFile()Z
    .registers 12

    .line 249
    const/4 v0, 0x0

    .line 251
    .local v0, "input":Ljava/io/DataInputStream;
    const/4 v1, 0x0

    :try_start_2
    new-instance v2, Ljava/io/BufferedInputStream;

    iget-object v3, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->atomicFile:Lcom/google/android/exoplayer2/util/AtomicFile;

    invoke-virtual {v3}, Lcom/google/android/exoplayer2/util/AtomicFile;->openRead()Ljava/io/InputStream;

    move-result-object v3

    invoke-direct {v2, v3}, Ljava/io/BufferedInputStream;-><init>(Ljava/io/InputStream;)V

    .line 252
    .local v2, "inputStream":Ljava/io/InputStream;
    new-instance v3, Ljava/io/DataInputStream;

    invoke-direct {v3, v2}, Ljava/io/DataInputStream;-><init>(Ljava/io/InputStream;)V

    move-object v0, v3

    .line 253
    invoke-virtual {v0}, Ljava/io/DataInputStream;->readInt()I

    move-result v3

    .line 254
    .local v3, "version":I
    if-ltz v3, :cond_97

    const/4 v4, 0x2

    if-le v3, v4, :cond_1e

    goto/16 :goto_97

    .line 258
    :cond_1e
    invoke-virtual {v0}, Ljava/io/DataInputStream;->readInt()I

    move-result v5

    .line 259
    .local v5, "flags":I
    and-int/lit8 v6, v5, 0x1

    const/4 v7, 0x1

    if-eqz v6, :cond_5c

    .line 260
    iget-object v6, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->cipher:Ljavax/crypto/Cipher;
    :try_end_29
    .catch Ljava/io/IOException; {:try_start_2 .. :try_end_29} :catch_a4
    .catchall {:try_start_2 .. :try_end_29} :catchall_9d

    if-nez v6, :cond_31

    .line 261
    nop

    .line 291
    nop

    .line 292
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Util;->closeQuietly(Ljava/io/Closeable;)V

    .line 261
    return v1

    .line 263
    :cond_31
    const/16 v6, 0x10

    :try_start_33
    new-array v6, v6, [B

    .line 264
    .local v6, "initializationVector":[B
    invoke-virtual {v0, v6}, Ljava/io/DataInputStream;->readFully([B)V

    .line 265
    new-instance v8, Ljavax/crypto/spec/IvParameterSpec;

    invoke-direct {v8, v6}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V
    :try_end_3d
    .catch Ljava/io/IOException; {:try_start_33 .. :try_end_3d} :catch_a4
    .catchall {:try_start_33 .. :try_end_3d} :catchall_9d

    .line 267
    .local v8, "ivParameterSpec":Ljavax/crypto/spec/IvParameterSpec;
    :try_start_3d
    iget-object v9, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->cipher:Ljavax/crypto/Cipher;

    iget-object v10, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->secretKeySpec:Ljavax/crypto/spec/SecretKeySpec;

    invoke-virtual {v9, v4, v10, v8}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
    :try_end_44
    .catch Ljava/security/InvalidKeyException; {:try_start_3d .. :try_end_44} :catch_55
    .catch Ljava/security/InvalidAlgorithmParameterException; {:try_start_3d .. :try_end_44} :catch_53
    .catch Ljava/io/IOException; {:try_start_3d .. :try_end_44} :catch_a4
    .catchall {:try_start_3d .. :try_end_44} :catchall_9d

    .line 270
    nop

    .line 271
    :try_start_45
    new-instance v4, Ljava/io/DataInputStream;

    new-instance v9, Ljavax/crypto/CipherInputStream;

    iget-object v10, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->cipher:Ljavax/crypto/Cipher;

    invoke-direct {v9, v2, v10}, Ljavax/crypto/CipherInputStream;-><init>(Ljava/io/InputStream;Ljavax/crypto/Cipher;)V

    invoke-direct {v4, v9}, Ljava/io/DataInputStream;-><init>(Ljava/io/InputStream;)V

    move-object v0, v4

    .line 272
    .end local v6    # "initializationVector":[B
    .end local v8    # "ivParameterSpec":Ljavax/crypto/spec/IvParameterSpec;
    :cond_52
    goto :goto_62

    .line 268
    .restart local v6    # "initializationVector":[B
    .restart local v8    # "ivParameterSpec":Ljavax/crypto/spec/IvParameterSpec;
    :catch_53
    move-exception v4

    goto :goto_56

    :catch_55
    move-exception v4

    .line 269
    .local v4, "e":Ljava/security/GeneralSecurityException;
    :goto_56
    new-instance v7, Ljava/lang/IllegalStateException;

    invoke-direct {v7, v4}, Ljava/lang/IllegalStateException;-><init>(Ljava/lang/Throwable;)V

    .end local v0    # "input":Ljava/io/DataInputStream;
    throw v7

    .line 272
    .end local v4    # "e":Ljava/security/GeneralSecurityException;
    .end local v6    # "initializationVector":[B
    .end local v8    # "ivParameterSpec":Ljavax/crypto/spec/IvParameterSpec;
    .restart local v0    # "input":Ljava/io/DataInputStream;
    :cond_5c
    iget-boolean v4, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->encrypt:Z

    if-eqz v4, :cond_52

    .line 273
    iput-boolean v7, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->changed:Z

    .line 276
    :goto_62
    invoke-virtual {v0}, Ljava/io/DataInputStream;->readInt()I

    move-result v4

    .line 277
    .local v4, "count":I
    const/4 v6, 0x0

    .line 278
    .local v6, "hashCode":I
    const/4 v8, 0x0

    .local v8, "i":I
    :goto_68
    if-ge v8, v4, :cond_79

    .line 279
    invoke-static {v3, v0}, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->readFromStream(ILjava/io/DataInputStream;)Lcom/google/android/exoplayer2/upstream/cache/CachedContent;

    move-result-object v9

    .line 280
    .local v9, "cachedContent":Lcom/google/android/exoplayer2/upstream/cache/CachedContent;
    invoke-direct {p0, v9}, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->add(Lcom/google/android/exoplayer2/upstream/cache/CachedContent;)V

    .line 281
    invoke-virtual {v9, v3}, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->headerHashCode(I)I

    move-result v10

    add-int/2addr v6, v10

    .line 278
    .end local v9    # "cachedContent":Lcom/google/android/exoplayer2/upstream/cache/CachedContent;
    add-int/lit8 v8, v8, 0x1

    goto :goto_68

    .line 283
    .end local v8    # "i":I
    :cond_79
    invoke-virtual {v0}, Ljava/io/DataInputStream;->readInt()I

    move-result v8

    .line 284
    .local v8, "fileHashCode":I
    invoke-virtual {v0}, Ljava/io/DataInputStream;->read()I

    move-result v9
    :try_end_81
    .catch Ljava/io/IOException; {:try_start_45 .. :try_end_81} :catch_a4
    .catchall {:try_start_45 .. :try_end_81} :catchall_9d

    const/4 v10, -0x1

    if-ne v9, v10, :cond_86

    const/4 v9, 0x1

    goto :goto_87

    :cond_86
    const/4 v9, 0x0

    .line 285
    .local v9, "isEOF":Z
    :goto_87
    if-ne v8, v6, :cond_91

    if-nez v9, :cond_8c

    goto :goto_91

    .line 291
    .end local v2    # "inputStream":Ljava/io/InputStream;
    .end local v3    # "version":I
    .end local v4    # "count":I
    .end local v5    # "flags":I
    .end local v6    # "hashCode":I
    .end local v8    # "fileHashCode":I
    .end local v9    # "isEOF":Z
    :cond_8c
    nop

    .line 292
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Util;->closeQuietly(Ljava/io/Closeable;)V

    .line 295
    return v7

    .line 286
    .restart local v2    # "inputStream":Ljava/io/InputStream;
    .restart local v3    # "version":I
    .restart local v4    # "count":I
    .restart local v5    # "flags":I
    .restart local v6    # "hashCode":I
    .restart local v8    # "fileHashCode":I
    .restart local v9    # "isEOF":Z
    :cond_91
    :goto_91
    nop

    .line 291
    nop

    .line 292
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Util;->closeQuietly(Ljava/io/Closeable;)V

    .line 286
    return v1

    .line 255
    .end local v4    # "count":I
    .end local v5    # "flags":I
    .end local v6    # "hashCode":I
    .end local v8    # "fileHashCode":I
    .end local v9    # "isEOF":Z
    :cond_97
    :goto_97
    nop

    .line 291
    nop

    .line 292
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Util;->closeQuietly(Ljava/io/Closeable;)V

    .line 255
    return v1

    .line 291
    .end local v2    # "inputStream":Ljava/io/InputStream;
    .end local v3    # "version":I
    :catchall_9d
    move-exception v1

    if-eqz v0, :cond_a3

    .line 292
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Util;->closeQuietly(Ljava/io/Closeable;)V

    .line 294
    :cond_a3
    throw v1

    .line 288
    :catch_a4
    move-exception v2

    .line 289
    .local v2, "e":Ljava/io/IOException;
    nop

    .line 291
    if-eqz v0, :cond_ab

    .line 292
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Util;->closeQuietly(Ljava/io/Closeable;)V

    .line 289
    :cond_ab
    return v1
.end method

.method private writeFile()V
    .registers 11
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lcom/google/android/exoplayer2/upstream/cache/Cache$CacheException;
        }
    .end annotation

    .line 299
    const/4 v0, 0x0

    .line 301
    .local v0, "output":Ljava/io/DataOutputStream;
    :try_start_1
    iget-object v1, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->atomicFile:Lcom/google/android/exoplayer2/util/AtomicFile;

    invoke-virtual {v1}, Lcom/google/android/exoplayer2/util/AtomicFile;->startWrite()Ljava/io/OutputStream;

    move-result-object v1

    .line 302
    .local v1, "outputStream":Ljava/io/OutputStream;
    iget-object v2, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->bufferedOutputStream:Lcom/google/android/exoplayer2/util/ReusableBufferedOutputStream;

    if-nez v2, :cond_13

    .line 303
    new-instance v2, Lcom/google/android/exoplayer2/util/ReusableBufferedOutputStream;

    invoke-direct {v2, v1}, Lcom/google/android/exoplayer2/util/ReusableBufferedOutputStream;-><init>(Ljava/io/OutputStream;)V

    iput-object v2, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->bufferedOutputStream:Lcom/google/android/exoplayer2/util/ReusableBufferedOutputStream;

    goto :goto_18

    .line 305
    :cond_13
    iget-object v2, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->bufferedOutputStream:Lcom/google/android/exoplayer2/util/ReusableBufferedOutputStream;

    invoke-virtual {v2, v1}, Lcom/google/android/exoplayer2/util/ReusableBufferedOutputStream;->reset(Ljava/io/OutputStream;)V

    .line 307
    :goto_18
    new-instance v2, Ljava/io/DataOutputStream;

    iget-object v3, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->bufferedOutputStream:Lcom/google/android/exoplayer2/util/ReusableBufferedOutputStream;

    invoke-direct {v2, v3}, Ljava/io/DataOutputStream;-><init>(Ljava/io/OutputStream;)V

    move-object v0, v2

    .line 308
    const/4 v2, 0x2

    invoke-virtual {v0, v2}, Ljava/io/DataOutputStream;->writeInt(I)V

    .line 310
    iget-boolean v3, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->encrypt:Z

    const/4 v4, 0x1

    if-eqz v3, :cond_2b

    const/4 v3, 0x1

    goto :goto_2c

    :cond_2b
    const/4 v3, 0x0

    .line 311
    .local v3, "flags":I
    :goto_2c
    invoke-virtual {v0, v3}, Ljava/io/DataOutputStream;->writeInt(I)V

    .line 313
    iget-boolean v5, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->encrypt:Z

    if-eqz v5, :cond_6b

    .line 314
    const/16 v5, 0x10

    new-array v5, v5, [B

    .line 315
    .local v5, "initializationVector":[B
    new-instance v6, Ljava/util/Random;

    invoke-direct {v6}, Ljava/util/Random;-><init>()V

    invoke-virtual {v6, v5}, Ljava/util/Random;->nextBytes([B)V

    .line 316
    invoke-virtual {v0, v5}, Ljava/io/DataOutputStream;->write([B)V

    .line 317
    new-instance v6, Ljavax/crypto/spec/IvParameterSpec;

    invoke-direct {v6, v5}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V
    :try_end_47
    .catch Ljava/io/IOException; {:try_start_1 .. :try_end_47} :catch_a4
    .catchall {:try_start_1 .. :try_end_47} :catchall_a2

    .line 319
    .local v6, "ivParameterSpec":Ljavax/crypto/spec/IvParameterSpec;
    :try_start_47
    iget-object v7, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->cipher:Ljavax/crypto/Cipher;

    iget-object v8, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->secretKeySpec:Ljavax/crypto/spec/SecretKeySpec;

    invoke-virtual {v7, v4, v8, v6}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
    :try_end_4e
    .catch Ljava/security/InvalidKeyException; {:try_start_47 .. :try_end_4e} :catch_64
    .catch Ljava/security/InvalidAlgorithmParameterException; {:try_start_47 .. :try_end_4e} :catch_62
    .catch Ljava/io/IOException; {:try_start_47 .. :try_end_4e} :catch_a4
    .catchall {:try_start_47 .. :try_end_4e} :catchall_a2

    .line 322
    nop

    .line 323
    :try_start_4f
    invoke-virtual {v0}, Ljava/io/DataOutputStream;->flush()V

    .line 324
    new-instance v4, Ljava/io/DataOutputStream;

    new-instance v7, Ljavax/crypto/CipherOutputStream;

    iget-object v8, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->bufferedOutputStream:Lcom/google/android/exoplayer2/util/ReusableBufferedOutputStream;

    iget-object v9, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->cipher:Ljavax/crypto/Cipher;

    invoke-direct {v7, v8, v9}, Ljavax/crypto/CipherOutputStream;-><init>(Ljava/io/OutputStream;Ljavax/crypto/Cipher;)V

    invoke-direct {v4, v7}, Ljava/io/DataOutputStream;-><init>(Ljava/io/OutputStream;)V

    move-object v0, v4

    goto :goto_6b

    .line 320
    :catch_62
    move-exception v2

    goto :goto_65

    :catch_64
    move-exception v2

    .line 321
    .local v2, "e":Ljava/security/GeneralSecurityException;
    :goto_65
    new-instance v4, Ljava/lang/IllegalStateException;

    invoke-direct {v4, v2}, Ljava/lang/IllegalStateException;-><init>(Ljava/lang/Throwable;)V

    .end local v0    # "output":Ljava/io/DataOutputStream;
    throw v4

    .line 327
    .end local v2    # "e":Ljava/security/GeneralSecurityException;
    .end local v5    # "initializationVector":[B
    .end local v6    # "ivParameterSpec":Ljavax/crypto/spec/IvParameterSpec;
    .restart local v0    # "output":Ljava/io/DataOutputStream;
    :cond_6b
    :goto_6b
    iget-object v4, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->keyToContent:Ljava/util/HashMap;

    invoke-virtual {v4}, Ljava/util/HashMap;->size()I

    move-result v4

    invoke-virtual {v0, v4}, Ljava/io/DataOutputStream;->writeInt(I)V

    .line 328
    const/4 v4, 0x0

    .line 329
    .local v4, "hashCode":I
    iget-object v5, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->keyToContent:Ljava/util/HashMap;

    invoke-virtual {v5}, Ljava/util/HashMap;->values()Ljava/util/Collection;

    move-result-object v5

    invoke-interface {v5}, Ljava/util/Collection;->iterator()Ljava/util/Iterator;

    move-result-object v5

    :goto_7f
    invoke-interface {v5}, Ljava/util/Iterator;->hasNext()Z

    move-result v6

    if-eqz v6, :cond_94

    invoke-interface {v5}, Ljava/util/Iterator;->next()Ljava/lang/Object;

    move-result-object v6

    check-cast v6, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;

    .line 330
    .local v6, "cachedContent":Lcom/google/android/exoplayer2/upstream/cache/CachedContent;
    invoke-virtual {v6, v0}, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->writeToStream(Ljava/io/DataOutputStream;)V

    .line 331
    invoke-virtual {v6, v2}, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->headerHashCode(I)I

    move-result v7

    add-int/2addr v4, v7

    .line 332
    .end local v6    # "cachedContent":Lcom/google/android/exoplayer2/upstream/cache/CachedContent;
    goto :goto_7f

    .line 333
    :cond_94
    invoke-virtual {v0, v4}, Ljava/io/DataOutputStream;->writeInt(I)V

    .line 334
    iget-object v2, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->atomicFile:Lcom/google/android/exoplayer2/util/AtomicFile;

    invoke-virtual {v2, v0}, Lcom/google/android/exoplayer2/util/AtomicFile;->endWrite(Ljava/io/OutputStream;)V
    :try_end_9c
    .catch Ljava/io/IOException; {:try_start_4f .. :try_end_9c} :catch_a4
    .catchall {:try_start_4f .. :try_end_9c} :catchall_a2

    .line 337
    const/4 v0, 0x0

    .line 341
    .end local v1    # "outputStream":Ljava/io/OutputStream;
    .end local v3    # "flags":I
    .end local v4    # "hashCode":I
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Util;->closeQuietly(Ljava/io/Closeable;)V

    .line 342
    nop

    .line 343
    return-void

    .line 341
    :catchall_a2
    move-exception v1

    goto :goto_ab

    .line 338
    :catch_a4
    move-exception v1

    .line 339
    .local v1, "e":Ljava/io/IOException;
    :try_start_a5
    new-instance v2, Lcom/google/android/exoplayer2/upstream/cache/Cache$CacheException;

    invoke-direct {v2, v1}, Lcom/google/android/exoplayer2/upstream/cache/Cache$CacheException;-><init>(Ljava/lang/Throwable;)V

    .end local v0    # "output":Ljava/io/DataOutputStream;
    throw v2
    :try_end_ab
    .catchall {:try_start_a5 .. :try_end_ab} :catchall_a2

    .line 341
    .end local v1    # "e":Ljava/io/IOException;
    .restart local v0    # "output":Ljava/io/DataOutputStream;
    :goto_ab
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Util;->closeQuietly(Ljava/io/Closeable;)V

    .line 342
    goto :goto_b0

    :goto_af
    throw v1

    :goto_b0
    goto :goto_af
.end method


# virtual methods
.method public applyContentMetadataMutations(Ljava/lang/String;Lcom/google/android/exoplayer2/upstream/cache/ContentMetadataMutations;)V
    .registers 5
    .param p1, "key"    # Ljava/lang/String;
    .param p2, "mutations"    # Lcom/google/android/exoplayer2/upstream/cache/ContentMetadataMutations;

    .line 236
    invoke-virtual {p0, p1}, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->getOrAdd(Ljava/lang/String;)Lcom/google/android/exoplayer2/upstream/cache/CachedContent;

    move-result-object v0

    .line 237
    .local v0, "cachedContent":Lcom/google/android/exoplayer2/upstream/cache/CachedContent;
    invoke-virtual {v0, p2}, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->applyMetadataMutations(Lcom/google/android/exoplayer2/upstream/cache/ContentMetadataMutations;)Z

    move-result v1

    if-eqz v1, :cond_d

    .line 238
    const/4 v1, 0x1

    iput-boolean v1, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->changed:Z

    .line 240
    :cond_d
    return-void
.end method

.method public assignIdForKey(Ljava/lang/String;)I
    .registers 3
    .param p1, "key"    # Ljava/lang/String;

    .line 191
    invoke-virtual {p0, p1}, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->getOrAdd(Ljava/lang/String;)Lcom/google/android/exoplayer2/upstream/cache/CachedContent;

    move-result-object v0

    iget v0, v0, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->id:I

    return v0
.end method

.method public get(Ljava/lang/String;)Lcom/google/android/exoplayer2/upstream/cache/CachedContent;
    .registers 3
    .param p1, "key"    # Ljava/lang/String;

    .line 175
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->keyToContent:Ljava/util/HashMap;

    invoke-virtual {v0, p1}, Ljava/util/HashMap;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;

    return-object v0
.end method

.method public getAll()Ljava/util/Collection;
    .registers 2
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "()",
            "Ljava/util/Collection<",
            "Lcom/google/android/exoplayer2/upstream/cache/CachedContent;",
            ">;"
        }
    .end annotation

    .line 186
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->keyToContent:Ljava/util/HashMap;

    invoke-virtual {v0}, Ljava/util/HashMap;->values()Ljava/util/Collection;

    move-result-object v0

    return-object v0
.end method

.method public getContentMetadata(Ljava/lang/String;)Lcom/google/android/exoplayer2/upstream/cache/ContentMetadata;
    .registers 4
    .param p1, "key"    # Ljava/lang/String;

    .line 244
    invoke-virtual {p0, p1}, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->get(Ljava/lang/String;)Lcom/google/android/exoplayer2/upstream/cache/CachedContent;

    move-result-object v0

    .line 245
    .local v0, "cachedContent":Lcom/google/android/exoplayer2/upstream/cache/CachedContent;
    if-eqz v0, :cond_b

    invoke-virtual {v0}, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->getMetadata()Lcom/google/android/exoplayer2/upstream/cache/ContentMetadata;

    move-result-object v1

    goto :goto_d

    :cond_b
    sget-object v1, Lcom/google/android/exoplayer2/upstream/cache/DefaultContentMetadata;->EMPTY:Lcom/google/android/exoplayer2/upstream/cache/DefaultContentMetadata;

    :goto_d
    return-object v1
.end method

.method public getKeyForId(I)Ljava/lang/String;
    .registers 3
    .param p1, "id"    # I

    .line 196
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->idToKey:Landroid/util/SparseArray;

    invoke-virtual {v0, p1}, Landroid/util/SparseArray;->get(I)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Ljava/lang/String;

    return-object v0
.end method

.method public getKeys()Ljava/util/Set;
    .registers 2
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "()",
            "Ljava/util/Set<",
            "Ljava/lang/String;",
            ">;"
        }
    .end annotation

    .line 228
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->keyToContent:Ljava/util/HashMap;

    invoke-virtual {v0}, Ljava/util/HashMap;->keySet()Ljava/util/Set;

    move-result-object v0

    return-object v0
.end method

.method public getOrAdd(Ljava/lang/String;)Lcom/google/android/exoplayer2/upstream/cache/CachedContent;
    .registers 4
    .param p1, "key"    # Ljava/lang/String;

    .line 169
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->keyToContent:Ljava/util/HashMap;

    invoke-virtual {v0, p1}, Ljava/util/HashMap;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;

    .line 170
    .local v0, "cachedContent":Lcom/google/android/exoplayer2/upstream/cache/CachedContent;
    if-nez v0, :cond_f

    invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->addNew(Ljava/lang/String;)Lcom/google/android/exoplayer2/upstream/cache/CachedContent;

    move-result-object v1

    goto :goto_10

    :cond_f
    move-object v1, v0

    :goto_10
    return-object v1
.end method

.method public load()V
    .registers 2

    .line 139
    iget-boolean v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->changed:Z

    xor-int/lit8 v0, v0, 0x1

    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    .line 140
    invoke-direct {p0}, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->readFile()Z

    move-result v0

    if-nez v0, :cond_1c

    .line 141
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->atomicFile:Lcom/google/android/exoplayer2/util/AtomicFile;

    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/AtomicFile;->delete()V

    .line 142
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->keyToContent:Ljava/util/HashMap;

    invoke-virtual {v0}, Ljava/util/HashMap;->clear()V

    .line 143
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->idToKey:Landroid/util/SparseArray;

    invoke-virtual {v0}, Landroid/util/SparseArray;->clear()V

    .line 145
    :cond_1c
    return-void
.end method

.method public maybeRemove(Ljava/lang/String;)V
    .registers 7
    .param p1, "key"    # Ljava/lang/String;

    .line 201
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->keyToContent:Ljava/util/HashMap;

    invoke-virtual {v0, p1}, Ljava/util/HashMap;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;

    .line 202
    .local v0, "cachedContent":Lcom/google/android/exoplayer2/upstream/cache/CachedContent;
    if-eqz v0, :cond_2d

    invoke-virtual {v0}, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->isEmpty()Z

    move-result v1

    if-eqz v1, :cond_2d

    invoke-virtual {v0}, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->isLocked()Z

    move-result v1

    if-nez v1, :cond_2d

    .line 203
    iget-object v1, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->keyToContent:Ljava/util/HashMap;

    invoke-virtual {v1, p1}, Ljava/util/HashMap;->remove(Ljava/lang/Object;)Ljava/lang/Object;

    .line 204
    const/4 v1, 0x1

    iput-boolean v1, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->changed:Z

    .line 206
    iget-object v2, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->idToKey:Landroid/util/SparseArray;

    iget v3, v0, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->id:I

    const/4 v4, 0x0

    invoke-virtual {v2, v3, v4}, Landroid/util/SparseArray;->put(ILjava/lang/Object;)V

    .line 208
    iget-object v2, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->removedIds:Landroid/util/SparseBooleanArray;

    iget v3, v0, Lcom/google/android/exoplayer2/upstream/cache/CachedContent;->id:I

    invoke-virtual {v2, v3, v1}, Landroid/util/SparseBooleanArray;->put(IZ)V

    .line 210
    :cond_2d
    return-void
.end method

.method public removeEmpty()V
    .registers 5

    .line 214
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->keyToContent:Ljava/util/HashMap;

    invoke-virtual {v0}, Ljava/util/HashMap;->size()I

    move-result v0

    new-array v0, v0, [Ljava/lang/String;

    .line 215
    .local v0, "keys":[Ljava/lang/String;
    iget-object v1, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->keyToContent:Ljava/util/HashMap;

    invoke-virtual {v1}, Ljava/util/HashMap;->keySet()Ljava/util/Set;

    move-result-object v1

    invoke-interface {v1, v0}, Ljava/util/Set;->toArray([Ljava/lang/Object;)[Ljava/lang/Object;

    .line 216
    array-length v1, v0

    const/4 v2, 0x0

    :goto_13
    if-ge v2, v1, :cond_1d

    aget-object v3, v0, v2

    .line 217
    .local v3, "key":Ljava/lang/String;
    invoke-virtual {p0, v3}, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->maybeRemove(Ljava/lang/String;)V

    .line 216
    .end local v3    # "key":Ljava/lang/String;
    add-int/lit8 v2, v2, 0x1

    goto :goto_13

    .line 219
    :cond_1d
    return-void
.end method

.method public store()V
    .registers 5
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lcom/google/android/exoplayer2/upstream/cache/Cache$CacheException;
        }
    .end annotation

    .line 149
    iget-boolean v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->changed:Z

    if-nez v0, :cond_5

    .line 150
    return-void

    .line 152
    :cond_5
    invoke-direct {p0}, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->writeFile()V

    .line 153
    const/4 v0, 0x0

    iput-boolean v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->changed:Z

    .line 155
    iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->removedIds:Landroid/util/SparseBooleanArray;

    invoke-virtual {v0}, Landroid/util/SparseBooleanArray;->size()I

    move-result v0

    .line 156
    .local v0, "removedIdCount":I
    const/4 v1, 0x0

    .local v1, "i":I
    :goto_12
    if-ge v1, v0, :cond_22

    .line 157
    iget-object v2, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->idToKey:Landroid/util/SparseArray;

    iget-object v3, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->removedIds:Landroid/util/SparseBooleanArray;

    invoke-virtual {v3, v1}, Landroid/util/SparseBooleanArray;->keyAt(I)I

    move-result v3

    invoke-virtual {v2, v3}, Landroid/util/SparseArray;->remove(I)V

    .line 156
    add-int/lit8 v1, v1, 0x1

    goto :goto_12

    .line 159
    .end local v1    # "i":I
    :cond_22
    iget-object v1, p0, Lcom/google/android/exoplayer2/upstream/cache/CachedContentIndex;->removedIds:Landroid/util/SparseBooleanArray;

    invoke-virtual {v1}, Landroid/util/SparseBooleanArray;->clear()V

    .line 160
    return-void
.end method