AtomicFile.smali

.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 static constructor <clinit>()V
    .registers 1

    return-void
.end method

.method public constructor <init>(Ljava/io/File;)V
    .registers 5
    .param p1, "baseName"    # Ljava/io/File;

    .line 50
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 51
    iput-object p1, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    .line 52
    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 v2

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

    const-string v2, ".bak"

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

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

    move-result-object v1

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

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

    .line 53
    return-void
.end method

.method private restoreBackup()V
    .registers 3

    .line 146
    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_14

    .line 147
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

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

    .line 148
    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

    .line 150
    :cond_14
    return-void
.end method


# virtual methods
.method public delete()V
    .registers 2

    .line 57
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

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

    .line 58
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->backupName:Ljava/io/File;

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

    .line 59
    return-void
.end method

.method public endWrite(Ljava/io/OutputStream;)V
    .registers 3
    .param p1, "str"    # Ljava/io/OutputStream;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 127
    invoke-virtual {p1}, Ljava/io/OutputStream;->close()V

    .line 129
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->backupName:Ljava/io/File;

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

    .line 130
    return-void
.end method

.method public openRead()Ljava/io/InputStream;
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/FileNotFoundException;
        }
    .end annotation

    .line 141
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/AtomicFile;->restoreBackup()V

    .line 142
    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;
    .registers 7
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 91
    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_42

    .line 92
    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_3d

    .line 93
    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_42

    .line 94
    new-instance v0, Ljava/lang/StringBuilder;

    invoke-direct {v0}, Ljava/lang/StringBuilder;-><init>()V

    const-string v1, "Couldn\'t rename 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;->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}, Lcom/google/android/exoplayer2/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)V

    goto :goto_42

    .line 97
    :cond_3d
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

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

    .line 102
    :cond_42
    :goto_42
    :try_start_42
    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_49
    .catch Ljava/io/FileNotFoundException; {:try_start_42 .. :try_end_49} :catch_4a

    .line 113
    .local v0, "str":Ljava/io/OutputStream;
    goto :goto_61

    .line 103
    .end local v0    # "str":Ljava/io/OutputStream;
    :catch_4a
    move-exception v0

    .line 104
    .local v0, "e":Ljava/io/FileNotFoundException;
    iget-object v1, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-virtual {v1}, Ljava/io/File;->getParentFile()Ljava/io/File;

    move-result-object v1

    .line 105
    .local v1, "parent":Ljava/io/File;
    if-eqz v1, :cond_7c

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

    move-result v2

    if-eqz v2, :cond_7c

    .line 109
    :try_start_59
    new-instance v2, Lcom/google/android/exoplayer2/util/AtomicFile$AtomicFileOutputStream;

    iget-object v3, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-direct {v2, v3}, Lcom/google/android/exoplayer2/util/AtomicFile$AtomicFileOutputStream;-><init>(Ljava/io/File;)V
    :try_end_60
    .catch Ljava/io/FileNotFoundException; {:try_start_59 .. :try_end_60} :catch_62

    .line 112
    .local v2, "str":Ljava/io/OutputStream;
    move-object v0, v2

    .line 114
    .end local v1    # "parent":Ljava/io/File;
    .end local v2    # "str":Ljava/io/OutputStream;
    .local v0, "str":Ljava/io/OutputStream;
    :goto_61
    return-object v0

    .line 110
    .local v0, "e":Ljava/io/FileNotFoundException;
    .restart local v1    # "parent":Ljava/io/File;
    :catch_62
    move-exception v2

    .line 111
    .local v2, "e2":Ljava/io/FileNotFoundException;
    new-instance v3, Ljava/io/IOException;

    new-instance v4, Ljava/lang/StringBuilder;

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

    const-string v5, "Couldn\'t create "

    invoke-virtual {v4, v5}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    iget-object v5, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

    invoke-virtual {v4, v5}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

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

    move-result-object v4

    invoke-direct {v3, v4, v2}, Ljava/io/IOException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw v3

    .line 106
    .end local v2    # "e2":Ljava/io/FileNotFoundException;
    :cond_7c
    new-instance v2, Ljava/io/IOException;

    new-instance v3, Ljava/lang/StringBuilder;

    invoke-direct {v3}, Ljava/lang/StringBuilder;-><init>()V

    const-string v4, "Couldn\'t create directory "

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

    iget-object v4, p0, Lcom/google/android/exoplayer2/util/AtomicFile;->baseName:Ljava/io/File;

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

    invoke-virtual {v3}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v3

    invoke-direct {v2, v3, v0}, Ljava/io/IOException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw v2
.end method