InputStreamChannel.smali

.class final Laegon/chrome/net/impl/InputStreamChannel;
.super Ljava/lang/Object;

# interfaces
.implements Ljava/nio/channels/ReadableByteChannel;


# static fields
.field private static final MAX_TMP_BUFFER_SIZE:I = 0x4000

.field private static final MIN_TMP_BUFFER_SIZE:I = 0x1000


# instance fields
.field private final mInputStream:Ljava/io/InputStream;

.field private final mIsOpen:Ljava/util/concurrent/atomic/AtomicBoolean;


# direct methods
.method private constructor <init>(Ljava/io/InputStream;)V
    .registers 4
    .param p1    # Ljava/io/InputStream;
        .annotation build Landroid/support/annotation/NonNull;
        .end annotation
    .end param

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

    new-instance v0, Ljava/util/concurrent/atomic/AtomicBoolean;

    const/4 v1, 0x1

    invoke-direct {v0, v1}, Ljava/util/concurrent/atomic/AtomicBoolean;-><init>(Z)V

    iput-object v0, p0, Laegon/chrome/net/impl/InputStreamChannel;->mIsOpen:Ljava/util/concurrent/atomic/AtomicBoolean;

    iput-object p1, p0, Laegon/chrome/net/impl/InputStreamChannel;->mInputStream:Ljava/io/InputStream;

    return-void
.end method

.method static wrap(Ljava/io/InputStream;)Ljava/nio/channels/ReadableByteChannel;
    .registers 2
    .param p0    # Ljava/io/InputStream;
        .annotation build Landroid/support/annotation/NonNull;
        .end annotation
    .end param

    instance-of v0, p0, Ljava/io/FileInputStream;

    if-eqz v0, :cond_b

    check-cast p0, Ljava/io/FileInputStream;

    invoke-virtual {p0}, Ljava/io/FileInputStream;->getChannel()Ljava/nio/channels/FileChannel;

    move-result-object v0

    :goto_a
    return-object v0

    :cond_b
    new-instance v0, Laegon/chrome/net/impl/InputStreamChannel;

    invoke-direct {v0, p0}, Laegon/chrome/net/impl/InputStreamChannel;-><init>(Ljava/io/InputStream;)V

    goto :goto_a
.end method


# virtual methods
.method public close()V
    .registers 4

    iget-object v0, p0, Laegon/chrome/net/impl/InputStreamChannel;->mIsOpen:Ljava/util/concurrent/atomic/AtomicBoolean;

    const/4 v1, 0x1

    const/4 v2, 0x0

    invoke-virtual {v0, v1, v2}, Ljava/util/concurrent/atomic/AtomicBoolean;->compareAndSet(ZZ)Z

    move-result v0

    if-eqz v0, :cond_f

    iget-object v0, p0, Laegon/chrome/net/impl/InputStreamChannel;->mInputStream:Ljava/io/InputStream;

    invoke-virtual {v0}, Ljava/io/InputStream;->close()V

    :cond_f
    return-void
.end method

.method public isOpen()Z
    .registers 2

    iget-object v0, p0, Laegon/chrome/net/impl/InputStreamChannel;->mIsOpen:Ljava/util/concurrent/atomic/AtomicBoolean;

    invoke-virtual {v0}, Ljava/util/concurrent/atomic/AtomicBoolean;->get()Z

    move-result v0

    return v0
.end method

.method public read(Ljava/nio/ByteBuffer;)I
    .registers 6

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->hasArray()Z

    move-result v0

    if-eqz v0, :cond_28

    iget-object v0, p0, Laegon/chrome/net/impl/InputStreamChannel;->mInputStream:Ljava/io/InputStream;

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->array()[B

    move-result-object v1

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->arrayOffset()I

    move-result v2

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->position()I

    move-result v3

    add-int/2addr v2, v3

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->remaining()I

    move-result v3

    invoke-virtual {v0, v1, v2, v3}, Ljava/io/InputStream;->read([BII)I

    move-result v0

    if-lez v0, :cond_27

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->position()I

    move-result v1

    add-int/2addr v1, v0

    invoke-virtual {p1, v1}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    :cond_27
    :goto_27
    return v0

    :cond_28
    iget-object v0, p0, Laegon/chrome/net/impl/InputStreamChannel;->mInputStream:Ljava/io/InputStream;

    invoke-virtual {v0}, Ljava/io/InputStream;->available()I

    move-result v0

    const/16 v1, 0x1000

    invoke-static {v0, v1}, Ljava/lang/Math;->max(II)I

    move-result v0

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->remaining()I

    move-result v1

    invoke-static {v0, v1}, Ljava/lang/Math;->min(II)I

    move-result v0

    const/16 v1, 0x4000

    invoke-static {v1, v0}, Ljava/lang/Math;->min(II)I

    move-result v0

    new-array v1, v0, [B

    iget-object v0, p0, Laegon/chrome/net/impl/InputStreamChannel;->mInputStream:Ljava/io/InputStream;

    invoke-virtual {v0, v1}, Ljava/io/InputStream;->read([B)I

    move-result v0

    if-lez v0, :cond_27

    const/4 v2, 0x0

    invoke-virtual {p1, v1, v2, v0}, Ljava/nio/ByteBuffer;->put([BII)Ljava/nio/ByteBuffer;

    goto :goto_27
.end method