TailAppendingInputStream.smali
.class public Lcom/facebook/common/streams/TailAppendingInputStream;
.super Ljava/io/FilterInputStream;
.source "TailAppendingInputStream.java"
# instance fields
.field private mMarkedTailOffset:I
.field private final mTail:[B
.field private mTailOffset:I
# direct methods
.method public constructor <init>(Ljava/io/InputStream;[B)V
.registers 3
.annotation system Ldalvik/annotation/MethodParameters;
accessFlags = {
0x0,
0x0
}
names = {
"inputStream",
"tail"
}
.end annotation
.line 25
invoke-direct {p0, p1}, Ljava/io/FilterInputStream;-><init>(Ljava/io/InputStream;)V
.line 27
invoke-static {p1}, Ljava/util/Objects;->requireNonNull(Ljava/lang/Object;)Ljava/lang/Object;
.line 30
invoke-static {p2}, Ljava/util/Objects;->requireNonNull(Ljava/lang/Object;)Ljava/lang/Object;
.line 32
iput-object p2, p0, Lcom/facebook/common/streams/TailAppendingInputStream;->mTail:[B
return-void
.end method
.method private readNextTailByte()I
.registers 4
.line 91
iget v0, p0, Lcom/facebook/common/streams/TailAppendingInputStream;->mTailOffset:I
iget-object v1, p0, Lcom/facebook/common/streams/TailAppendingInputStream;->mTail:[B
array-length v2, v1
if-lt v0, v2, :cond_9
const/4 v0, -0x1
return v0
:cond_9
add-int/lit8 v2, v0, 0x1
.line 94
iput v2, p0, Lcom/facebook/common/streams/TailAppendingInputStream;->mTailOffset:I
aget-byte v0, v1, v0
and-int/lit16 v0, v0, 0xff
return v0
.end method
# virtual methods
.method public mark(I)V
.registers 3
.annotation system Ldalvik/annotation/MethodParameters;
accessFlags = {
0x0
}
names = {
"readLimit"
}
.end annotation
.line 84
iget-object v0, p0, Lcom/facebook/common/streams/TailAppendingInputStream;->in:Ljava/io/InputStream;
invoke-virtual {v0}, Ljava/io/InputStream;->markSupported()Z
move-result v0
if-eqz v0, :cond_f
.line 85
invoke-super {p0, p1}, Ljava/io/FilterInputStream;->mark(I)V
.line 86
iget p1, p0, Lcom/facebook/common/streams/TailAppendingInputStream;->mTailOffset:I
iput p1, p0, Lcom/facebook/common/streams/TailAppendingInputStream;->mMarkedTailOffset:I
:cond_f
return-void
.end method
.method public read()I
.registers 3
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
.line 37
iget-object v0, p0, Lcom/facebook/common/streams/TailAppendingInputStream;->in:Ljava/io/InputStream;
invoke-virtual {v0}, Ljava/io/InputStream;->read()I
move-result v0
const/4 v1, -0x1
if-eq v0, v1, :cond_a
return v0
.line 41
:cond_a
invoke-direct {p0}, Lcom/facebook/common/streams/TailAppendingInputStream;->readNextTailByte()I
move-result v0
return v0
.end method
.method public read([B)I
.registers 4
.annotation system Ldalvik/annotation/MethodParameters;
accessFlags = {
0x0
}
names = {
"buffer"
}
.end annotation
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
.line 46
array-length v0, p1
const/4 v1, 0x0
invoke-virtual {p0, p1, v1, v0}, Lcom/facebook/common/streams/TailAppendingInputStream;->read([BII)I
move-result p1
return p1
.end method
.method public read([BII)I
.registers 8
.annotation system Ldalvik/annotation/MethodParameters;
accessFlags = {
0x0,
0x0,
0x0
}
names = {
"buffer",
"offset",
"count"
}
.end annotation
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
.line 51
iget-object v0, p0, Lcom/facebook/common/streams/TailAppendingInputStream;->in:Ljava/io/InputStream;
invoke-virtual {v0, p1, p2, p3}, Ljava/io/InputStream;->read([BII)I
move-result v0
const/4 v1, -0x1
if-eq v0, v1, :cond_a
return v0
:cond_a
const/4 v0, 0x0
if-nez p3, :cond_e
return v0
:cond_e
:goto_e
if-ge v0, p3, :cond_1f
.line 62
invoke-direct {p0}, Lcom/facebook/common/streams/TailAppendingInputStream;->readNextTailByte()I
move-result v2
if-ne v2, v1, :cond_17
goto :goto_1f
:cond_17
add-int v3, p2, v0
int-to-byte v2, v2
.line 66
aput-byte v2, p1, v3
add-int/lit8 v0, v0, 0x1
goto :goto_e
:cond_1f
:goto_1f
if-lez v0, :cond_22
move v1, v0
:cond_22
return v1
.end method
.method public reset()V
.registers 3
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
.line 74
iget-object v0, p0, Lcom/facebook/common/streams/TailAppendingInputStream;->in:Ljava/io/InputStream;
invoke-virtual {v0}, Ljava/io/InputStream;->markSupported()Z
move-result v0
if-eqz v0, :cond_12
.line 75
iget-object v0, p0, Lcom/facebook/common/streams/TailAppendingInputStream;->in:Ljava/io/InputStream;
invoke-virtual {v0}, Ljava/io/InputStream;->reset()V
.line 76
iget v0, p0, Lcom/facebook/common/streams/TailAppendingInputStream;->mMarkedTailOffset:I
iput v0, p0, Lcom/facebook/common/streams/TailAppendingInputStream;->mTailOffset:I
return-void
.line 78
:cond_12
new-instance v0, Ljava/io/IOException;
const-string v1, "mark is not supported"
invoke-direct {v0, v1}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V
throw v0
.end method