PooledByteStreams.smali

.class public Lcom/facebook/common/memory/PooledByteStreams;
.super Ljava/lang/Object;
.source "PooledByteStreams.java"


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


# instance fields
.field private final mByteArrayPool:Lcom/facebook/common/memory/ByteArrayPool;

.field private final mTempBufSize:I


# direct methods
.method public constructor <init>(Lcom/facebook/common/memory/ByteArrayPool;)V
    .registers 3
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x0
        }
        names = {
            "byteArrayPool"
        }
    .end annotation

    const/16 v0, 0x4000

    .line 30
    invoke-direct {p0, p1, v0}, Lcom/facebook/common/memory/PooledByteStreams;-><init>(Lcom/facebook/common/memory/ByteArrayPool;I)V

    return-void
.end method

.method public constructor <init>(Lcom/facebook/common/memory/ByteArrayPool;I)V
    .registers 4
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x0,
            0x0
        }
        names = {
            "byteArrayPool",
            "tempBufSize"
        }
    .end annotation

    .line 34
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    if-lez p2, :cond_7

    const/4 v0, 0x1

    goto :goto_8

    :cond_7
    const/4 v0, 0x0

    .line 35
    :goto_8
    invoke-static {v0}, Ljava/lang/Boolean;->valueOf(Z)Ljava/lang/Boolean;

    move-result-object v0

    invoke-static {v0}, Lcom/facebook/common/internal/Preconditions;->checkArgument(Ljava/lang/Boolean;)V

    .line 36
    iput p2, p0, Lcom/facebook/common/memory/PooledByteStreams;->mTempBufSize:I

    .line 37
    iput-object p1, p0, Lcom/facebook/common/memory/PooledByteStreams;->mByteArrayPool:Lcom/facebook/common/memory/ByteArrayPool;

    return-void
.end method


# virtual methods
.method public copy(Ljava/io/InputStream;Ljava/io/OutputStream;)J
    .registers 9
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x10,
            0x10
        }
        names = {
            "from",
            "to"
        }
    .end annotation

    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 50
    iget-object v0, p0, Lcom/facebook/common/memory/PooledByteStreams;->mByteArrayPool:Lcom/facebook/common/memory/ByteArrayPool;

    iget v1, p0, Lcom/facebook/common/memory/PooledByteStreams;->mTempBufSize:I

    invoke-interface {v0, v1}, Lcom/facebook/common/memory/ByteArrayPool;->get(I)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, [B

    const-wide/16 v1, 0x0

    .line 54
    :goto_c
    :try_start_c
    iget v3, p0, Lcom/facebook/common/memory/PooledByteStreams;->mTempBufSize:I

    const/4 v4, 0x0

    invoke-virtual {p1, v0, v4, v3}, Ljava/io/InputStream;->read([BII)I

    move-result v3
    :try_end_13
    .catchall {:try_start_c .. :try_end_13} :catchall_22

    const/4 v5, -0x1

    if-ne v3, v5, :cond_1c

    .line 62
    iget-object p1, p0, Lcom/facebook/common/memory/PooledByteStreams;->mByteArrayPool:Lcom/facebook/common/memory/ByteArrayPool;

    invoke-interface {p1, v0}, Lcom/facebook/common/memory/ByteArrayPool;->release(Ljava/lang/Object;)V

    return-wide v1

    .line 58
    :cond_1c
    :try_start_1c
    invoke-virtual {p2, v0, v4, v3}, Ljava/io/OutputStream;->write([BII)V
    :try_end_1f
    .catchall {:try_start_1c .. :try_end_1f} :catchall_22

    int-to-long v3, v3

    add-long/2addr v1, v3

    goto :goto_c

    :catchall_22
    move-exception p1

    .line 62
    iget-object p2, p0, Lcom/facebook/common/memory/PooledByteStreams;->mByteArrayPool:Lcom/facebook/common/memory/ByteArrayPool;

    invoke-interface {p2, v0}, Lcom/facebook/common/memory/ByteArrayPool;->release(Ljava/lang/Object;)V

    .line 63
    throw p1
.end method

.method public copy(Ljava/io/InputStream;Ljava/io/OutputStream;J)J
    .registers 13
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x10,
            0x10,
            0x10
        }
        names = {
            "from",
            "to",
            "bytesToCopy"
        }
    .end annotation

    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    const-wide/16 v0, 0x0

    cmp-long v2, p3, v0

    const/4 v3, 0x0

    if-lez v2, :cond_9

    const/4 v2, 0x1

    goto :goto_a

    :cond_9
    move v2, v3

    .line 77
    :goto_a
    invoke-static {v2}, Lcom/facebook/common/internal/Preconditions;->checkState(Z)V

    .line 79
    iget-object v2, p0, Lcom/facebook/common/memory/PooledByteStreams;->mByteArrayPool:Lcom/facebook/common/memory/ByteArrayPool;

    iget v4, p0, Lcom/facebook/common/memory/PooledByteStreams;->mTempBufSize:I

    invoke-interface {v2, v4}, Lcom/facebook/common/memory/ByteArrayPool;->get(I)Ljava/lang/Object;

    move-result-object v2

    check-cast v2, [B

    :goto_17
    cmp-long v4, v0, p3

    if-gez v4, :cond_2c

    .line 83
    :try_start_1b
    iget v4, p0, Lcom/facebook/common/memory/PooledByteStreams;->mTempBufSize:I

    int-to-long v4, v4

    sub-long v6, p3, v0

    invoke-static {v4, v5, v6, v7}, Ljava/lang/Math;->min(JJ)J

    move-result-wide v4

    long-to-int v4, v4

    invoke-virtual {p1, v2, v3, v4}, Ljava/io/InputStream;->read([BII)I

    move-result v4
    :try_end_29
    .catchall {:try_start_1b .. :try_end_29} :catchall_38

    const/4 v5, -0x1

    if-ne v4, v5, :cond_32

    .line 92
    :cond_2c
    iget-object p1, p0, Lcom/facebook/common/memory/PooledByteStreams;->mByteArrayPool:Lcom/facebook/common/memory/ByteArrayPool;

    invoke-interface {p1, v2}, Lcom/facebook/common/memory/ByteArrayPool;->release(Ljava/lang/Object;)V

    return-wide v0

    .line 87
    :cond_32
    :try_start_32
    invoke-virtual {p2, v2, v3, v4}, Ljava/io/OutputStream;->write([BII)V
    :try_end_35
    .catchall {:try_start_32 .. :try_end_35} :catchall_38

    int-to-long v4, v4

    add-long/2addr v0, v4

    goto :goto_17

    :catchall_38
    move-exception p1

    .line 92
    iget-object p2, p0, Lcom/facebook/common/memory/PooledByteStreams;->mByteArrayPool:Lcom/facebook/common/memory/ByteArrayPool;

    invoke-interface {p2, v2}, Lcom/facebook/common/memory/ByteArrayPool;->release(Ljava/lang/Object;)V

    .line 93
    throw p1
.end method