.class final Lcom/facebook/internal/FileLruCache$StreamHeader;
.super Ljava/lang/Object;
.source "SourceFile"


# annotations
.annotation system Ldalvik/annotation/EnclosingClass;
    value = Lcom/facebook/internal/FileLruCache;
.end annotation

.annotation system Ldalvik/annotation/InnerClass;
    accessFlags = 0x19
    name = "StreamHeader"
.end annotation


# static fields
.field private static final HEADER_VERSION:I

.field public static final INSTANCE:Lcom/facebook/internal/FileLruCache$StreamHeader;


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

    new-instance v0, Lcom/facebook/internal/FileLruCache$StreamHeader;

    invoke-direct {v0}, Lcom/facebook/internal/FileLruCache$StreamHeader;-><init>()V

    sput-object v0, Lcom/facebook/internal/FileLruCache$StreamHeader;->INSTANCE:Lcom/facebook/internal/FileLruCache$StreamHeader;

    return-void
.end method

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

    .line 324
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method


# virtual methods
.method public final readHeader(Ljava/io/InputStream;)Lorg/json/JSONObject;
    .locals 7
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    const-string v0, "stream"

    invoke-static {p1, v0}, Lkotlin/jvm/internal/Intrinsics;->checkNotNullParameter(Ljava/lang/Object;Ljava/lang/String;)V

    .line 341
    invoke-virtual {p1}, Ljava/io/InputStream;->read()I

    move-result v0

    const/4 v1, 0x0

    if-eqz v0, :cond_0

    return-object v1

    :cond_0
    const/4 v0, 0x0

    move v2, v0

    move v3, v2

    :goto_0
    const-string v4, "TAG"

    const/4 v5, 0x3

    if-ge v2, v5, :cond_2

    .line 347
    invoke-virtual {p1}, Ljava/io/InputStream;->read()I

    move-result v5

    const/4 v6, -0x1

    if-ne v5, v6, :cond_1

    .line 349
    sget-object p1, Lcom/facebook/internal/Logger;->Companion:Lcom/facebook/internal/Logger$Companion;

    .line 350
    sget-object v0, Lcom/facebook/LoggingBehavior;->CACHE:Lcom/facebook/LoggingBehavior;

    .line 351
    sget-object v2, Lcom/facebook/internal/FileLruCache;->Companion:Lcom/facebook/internal/FileLruCache$Companion;

    invoke-virtual {v2}, Lcom/facebook/internal/FileLruCache$Companion;->getTAG()Ljava/lang/String;

    move-result-object v2

    invoke-static {v2, v4}, Lkotlin/jvm/internal/Intrinsics;->checkNotNullExpressionValue(Ljava/lang/Object;Ljava/lang/String;)V

    const-string v3, "readHeader: stream.read returned -1 while reading header size"

    .line 349
    invoke-virtual {p1, v0, v2, v3}, Lcom/facebook/internal/Logger$Companion;->log(Lcom/facebook/LoggingBehavior;Ljava/lang/String;Ljava/lang/String;)V

    return-object v1

    :cond_1
    shl-int/lit8 v3, v3, 0x8

    and-int/lit16 v4, v5, 0xff

    add-int/2addr v3, v4

    add-int/lit8 v2, v2, 0x1

    goto :goto_0

    .line 358
    :cond_2
    new-array v2, v3, [B

    :goto_1
    if-ge v0, v3, :cond_4

    sub-int v5, v3, v0

    .line 361
    invoke-virtual {p1, v2, v0, v5}, Ljava/io/InputStream;->read([BII)I

    move-result v5

    const/4 v6, 0x1

    if-ge v5, v6, :cond_3

    .line 363
    sget-object p1, Lcom/facebook/internal/Logger;->Companion:Lcom/facebook/internal/Logger$Companion;

    .line 364
    sget-object v2, Lcom/facebook/LoggingBehavior;->CACHE:Lcom/facebook/LoggingBehavior;

    .line 365
    sget-object v5, Lcom/facebook/internal/FileLruCache;->Companion:Lcom/facebook/internal/FileLruCache$Companion;

    invoke-virtual {v5}, Lcom/facebook/internal/FileLruCache$Companion;->getTAG()Ljava/lang/String;

    move-result-object v5

    invoke-static {v5, v4}, Lkotlin/jvm/internal/Intrinsics;->checkNotNullExpressionValue(Ljava/lang/Object;Ljava/lang/String;)V

    .line 366
    new-instance v4, Ljava/lang/StringBuilder;

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

    const-string v6, "readHeader: stream.read stopped at "

    invoke-virtual {v4, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 367
    invoke-static {v0}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v0

    .line 366
    invoke-virtual {v4, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

    const-string v0, " when expected "

    invoke-virtual {v4, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v4, v3}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    invoke-virtual {v4}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    .line 363
    invoke-virtual {p1, v2, v5, v0}, Lcom/facebook/internal/Logger$Companion;->log(Lcom/facebook/LoggingBehavior;Ljava/lang/String;Ljava/lang/String;)V

    return-object v1

    :cond_3
    add-int/2addr v0, v5

    goto :goto_1

    .line 374
    :cond_4
    new-instance p1, Ljava/lang/String;

    sget-object v0, Lkotlin/text/Charsets;->UTF_8:Ljava/nio/charset/Charset;

    invoke-direct {p1, v2, v0}, Ljava/lang/String;-><init>([BLjava/nio/charset/Charset;)V

    .line 376
    new-instance v0, Lorg/json/JSONTokener;

    invoke-direct {v0, p1}, Lorg/json/JSONTokener;-><init>(Ljava/lang/String;)V

    .line 379
    :try_start_0
    invoke-virtual {v0}, Lorg/json/JSONTokener;->nextValue()Ljava/lang/Object;

    move-result-object p1

    .line 380
    instance-of v0, p1, Lorg/json/JSONObject;

    if-nez v0, :cond_5

    .line 381
    sget-object v0, Lcom/facebook/internal/Logger;->Companion:Lcom/facebook/internal/Logger$Companion;

    .line 382
    sget-object v2, Lcom/facebook/LoggingBehavior;->CACHE:Lcom/facebook/LoggingBehavior;

    .line 383
    sget-object v3, Lcom/facebook/internal/FileLruCache;->Companion:Lcom/facebook/internal/FileLruCache$Companion;

    invoke-virtual {v3}, Lcom/facebook/internal/FileLruCache$Companion;->getTAG()Ljava/lang/String;

    move-result-object v3

    invoke-static {v3, v4}, Lkotlin/jvm/internal/Intrinsics;->checkNotNullExpressionValue(Ljava/lang/Object;Ljava/lang/String;)V

    const-string v4, "readHeader: expected JSONObject, got "

    .line 384
    invoke-virtual {p1}, Ljava/lang/Object;->getClass()Ljava/lang/Class;

    move-result-object p1

    invoke-virtual {p1}, Ljava/lang/Class;->getCanonicalName()Ljava/lang/String;

    move-result-object p1

    invoke-static {v4, p1}, Lkotlin/jvm/internal/Intrinsics;->stringPlus(Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/String;

    move-result-object p1

    .line 381
    invoke-virtual {v0, v2, v3, p1}, Lcom/facebook/internal/Logger$Companion;->log(Lcom/facebook/LoggingBehavior;Ljava/lang/String;Ljava/lang/String;)V

    return-object v1

    :catch_0
    move-exception p1

    goto :goto_2

    .line 387
    :cond_5
    check-cast p1, Lorg/json/JSONObject;
    :try_end_0
    .catch Lorg/json/JSONException; {:try_start_0 .. :try_end_0} :catch_0

    return-object p1

    .line 389
    :goto_2
    new-instance v0, Ljava/io/IOException;

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

    move-result-object p1

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

    throw v0
.end method

.method public final writeHeader(Ljava/io/OutputStream;Lorg/json/JSONObject;)V
    .locals 1
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    const-string v0, "stream"

    invoke-static {p1, v0}, Lkotlin/jvm/internal/Intrinsics;->checkNotNullParameter(Ljava/lang/Object;Ljava/lang/String;)V

    const-string v0, "header"

    invoke-static {p2, v0}, Lkotlin/jvm/internal/Intrinsics;->checkNotNullParameter(Ljava/lang/Object;Ljava/lang/String;)V

    .line 328
    invoke-virtual {p2}, Lorg/json/JSONObject;->toString()Ljava/lang/String;

    move-result-object p2

    const-string v0, "header.toString()"

    invoke-static {p2, v0}, Lkotlin/jvm/internal/Intrinsics;->checkNotNullExpressionValue(Ljava/lang/Object;Ljava/lang/String;)V

    .line 329
    sget-object v0, Lkotlin/text/Charsets;->UTF_8:Ljava/nio/charset/Charset;

    invoke-virtual {p2, v0}, Ljava/lang/String;->getBytes(Ljava/nio/charset/Charset;)[B

    move-result-object p2

    const-string v0, "(this as java.lang.String).getBytes(charset)"

    invoke-static {p2, v0}, Lkotlin/jvm/internal/Intrinsics;->checkNotNullExpressionValue(Ljava/lang/Object;Ljava/lang/String;)V

    const/4 v0, 0x0

    .line 332
    invoke-virtual {p1, v0}, Ljava/io/OutputStream;->write(I)V

    .line 333
    array-length v0, p2

    shr-int/lit8 v0, v0, 0x10

    and-int/lit16 v0, v0, 0xff

    invoke-virtual {p1, v0}, Ljava/io/OutputStream;->write(I)V

    .line 334
    array-length v0, p2

    shr-int/lit8 v0, v0, 0x8

    and-int/lit16 v0, v0, 0xff

    invoke-virtual {p1, v0}, Ljava/io/OutputStream;->write(I)V

    .line 335
    array-length v0, p2

    and-int/lit16 v0, v0, 0xff

    invoke-virtual {p1, v0}, Ljava/io/OutputStream;->write(I)V

    .line 336
    invoke-virtual {p1, p2}, Ljava/io/OutputStream;->write([B)V

    return-void
.end method