.class public final Lcom/google/android/exoplayer2/util/AtomicFile;
.super Ljava/lang/Object;
.source "AtomicFile.java"


# annotations
.annotation system Ldalvik/annotation/MemberClasses;
    value = {
        Lcom/google/android/exoplayer2/util/AtomicFile$AtomicFileOutputStream;
    }
.end annotation


# static fields
.field private static final TAG:Ljava/lang/String; = "AtomicFile"


# instance fields
.field private final backupName:Ljava/io/File;

.field private final baseName:Ljava/io/File;


# direct methods
.method public constructor <init>(Ljava/io/File;)V
    .locals 2

    .line 1
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 2
    iput-object p1, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    .line 3
    new-instance v0, Ljava/io/File;

    new-instance v1, Ljava/lang/StringBuilder;

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

    invoke-virtual {p1}, Ljava/io/File;->getPath()Ljava/lang/String;

    move-result-object p1

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    const-string p1, ".bak"

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p1

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

    iput-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->backupName:Ljava/io/File;

    return-void
.end method

.method private restoreBackup()V
    .locals 2

    .line 1
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->backupName:Ljava/io/File;

    invoke-virtual {v0}, Ljava/io/File;->exists()Z

    move-result v0

    if-eqz v0, :cond_0

    .line 2
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-virtual {v0}, Ljava/io/File;->delete()Z

    .line 3
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->backupName:Ljava/io/File;

    iget-object v1, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-virtual {v0, v1}, Ljava/io/File;->renameTo(Ljava/io/File;)Z

    :cond_0
    return-void
.end method


# virtual methods
.method public delete()V
    .locals 1

    .line 1
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-virtual {v0}, Ljava/io/File;->delete()Z

    .line 2
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->backupName:Ljava/io/File;

    invoke-virtual {v0}, Ljava/io/File;->delete()Z

    return-void
.end method

.method public endWrite(Ljava/io/OutputStream;)V
    .locals 0
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 1
    invoke-virtual {p1}, Ljava/io/OutputStream;->close()V

    .line 2
    iget-object p1, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->backupName:Ljava/io/File;

    invoke-virtual {p1}, Ljava/io/File;->delete()Z

    return-void
.end method

.method public openRead()Ljava/io/InputStream;
    .locals 2
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/FileNotFoundException;
        }
    .end annotation

    .line 1
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/AtomicFile;->restoreBackup()V

    .line 2
    new-instance v0, Ljava/io/FileInputStream;

    iget-object v1, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-direct {v0, v1}, Ljava/io/FileInputStream;-><init>(Ljava/io/File;)V

    return-object v0
.end method

.method public startWrite()Ljava/io/OutputStream;
    .locals 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 1
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-virtual {v0}, Ljava/io/File;->exists()Z

    move-result v0

    if-eqz v0, :cond_1

    .line 2
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->backupName:Ljava/io/File;

    invoke-virtual {v0}, Ljava/io/File;->exists()Z

    move-result v0

    if-nez v0, :cond_0

    .line 3
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    iget-object v1, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->backupName:Ljava/io/File;

    invoke-virtual {v0, v1}, Ljava/io/File;->renameTo(Ljava/io/File;)Z

    move-result v0

    if-nez v0, :cond_1

    const-string v0, "Couldn\'t rename file "

    .line 4
    invoke-static {v0}, Landroid/support/v4/media/d;->a(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    iget-object v1, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

    const-string v1, " to backup file "

    invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    iget-object v1, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->backupName:Ljava/io/File;

    invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

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

    move-result-object v0

    const-string v1, "AtomicFile"

    invoke-static {v1, v0}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    goto :goto_0

    .line 5
    :cond_0
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-virtual {v0}, Ljava/io/File;->delete()Z

    .line 6
    :cond_1
    :goto_0
    :try_start_0
    new-instance v0, Lcom/google/android/exoplayer2/util/AtomicFile$AtomicFileOutputStream;

    iget-object v1, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-direct {v0, v1}, Lcom/google/android/exoplayer2/util/AtomicFile$AtomicFileOutputStream;-><init>(Ljava/io/File;)V
    :try_end_0
    .catch Ljava/io/FileNotFoundException; {:try_start_0 .. :try_end_0} :catch_0

    goto :goto_1

    .line 7
    :catch_0
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-virtual {v0}, Ljava/io/File;->getParentFile()Ljava/io/File;

    move-result-object v0

    .line 8
    invoke-virtual {v0}, Ljava/io/File;->mkdirs()Z

    move-result v0

    if-eqz v0, :cond_2

    .line 9
    :try_start_1
    new-instance v0, Lcom/google/android/exoplayer2/util/AtomicFile$AtomicFileOutputStream;

    iget-object v1, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-direct {v0, v1}, Lcom/google/android/exoplayer2/util/AtomicFile$AtomicFileOutputStream;-><init>(Ljava/io/File;)V
    :try_end_1
    .catch Ljava/io/FileNotFoundException; {:try_start_1 .. :try_end_1} :catch_1

    :goto_1
    return-object v0

    .line 10
    :catch_1
    new-instance v0, Ljava/io/IOException;

    const-string v1, "Couldn\'t create "

    invoke-static {v1}, Landroid/support/v4/media/d;->a(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    iget-object v2, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-direct {v0, v1}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 11
    :cond_2
    new-instance v0, Ljava/io/IOException;

    const-string v1, "Couldn\'t create directory "

    invoke-static {v1}, Landroid/support/v4/media/d;->a(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    iget-object v2, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-direct {v0, v1}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0
.end method