.class public Landroidx/core/util/AtomicFile;
.super Ljava/lang/Object;
.source "AtomicFile.java"


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

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


# direct methods
.method public constructor <init>(Ljava/io/File;)V
    .registers 4

    .line 54
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 55
    iput-object p1, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

    .line 56
    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;

    move-result-object p1

    const-string v1, ".bak"

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

    move-result-object p1

    invoke-virtual {p1}, 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, Landroidx/core/util/AtomicFile;->mBackupName:Ljava/io/File;

    return-void
.end method

.method private static sync(Ljava/io/FileOutputStream;)Z
    .registers 1

    .line 212
    :try_start_0
    invoke-virtual {p0}, Ljava/io/FileOutputStream;->getFD()Ljava/io/FileDescriptor;

    move-result-object p0

    invoke-virtual {p0}, Ljava/io/FileDescriptor;->sync()V
    :try_end_7
    .catch Ljava/io/IOException; {:try_start_0 .. :try_end_7} :catch_9

    const/4 p0, 0x1

    return p0

    :catch_9
    const/4 p0, 0x0

    return p0
.end method


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

    .line 72
    iget-object v0, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

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

    .line 73
    iget-object v0, p0, Landroidx/core/util/AtomicFile;->mBackupName:Ljava/io/File;

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

    return-void
.end method

.method public failWrite(Ljava/io/FileOutputStream;)V
    .registers 4

    if-eqz p1, :cond_1d

    .line 145
    invoke-static {p1}, Landroidx/core/util/AtomicFile;->sync(Ljava/io/FileOutputStream;)Z

    .line 147
    :try_start_5
    invoke-virtual {p1}, Ljava/io/FileOutputStream;->close()V

    .line 148
    iget-object p1, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

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

    .line 149
    iget-object p1, p0, Landroidx/core/util/AtomicFile;->mBackupName:Ljava/io/File;

    iget-object v0, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

    invoke-virtual {p1, v0}, Ljava/io/File;->renameTo(Ljava/io/File;)Z
    :try_end_14
    .catch Ljava/io/IOException; {:try_start_5 .. :try_end_14} :catch_15

    goto :goto_1d

    :catch_15
    move-exception p1

    .line 151
    const-string v0, "AtomicFile"

    const-string v1, "failWrite: Got exception:"

    invoke-static {v0, v1, p1}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I

    :cond_1d
    :goto_1d
    return-void
.end method

.method public finishWrite(Ljava/io/FileOutputStream;)V
    .registers 4

    if-eqz p1, :cond_16

    .line 128
    invoke-static {p1}, Landroidx/core/util/AtomicFile;->sync(Ljava/io/FileOutputStream;)Z

    .line 130
    :try_start_5
    invoke-virtual {p1}, Ljava/io/FileOutputStream;->close()V

    .line 131
    iget-object p1, p0, Landroidx/core/util/AtomicFile;->mBackupName:Ljava/io/File;

    invoke-virtual {p1}, Ljava/io/File;->delete()Z
    :try_end_d
    .catch Ljava/io/IOException; {:try_start_5 .. :try_end_d} :catch_e

    goto :goto_16

    :catch_e
    move-exception p1

    .line 133
    const-string v0, "AtomicFile"

    const-string v1, "finishWrite: Got exception:"

    invoke-static {v0, v1, p1}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I

    :cond_16
    :goto_16
    return-void
.end method

.method public getBaseFile()Ljava/io/File;
    .registers 2

    .line 65
    iget-object v0, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

    return-object v0
.end method

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

    .line 170
    iget-object v0, p0, Landroidx/core/util/AtomicFile;->mBackupName:Ljava/io/File;

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

    move-result v0

    if-eqz v0, :cond_14

    .line 171
    iget-object v0, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

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

    .line 172
    iget-object v0, p0, Landroidx/core/util/AtomicFile;->mBackupName:Ljava/io/File;

    iget-object v1, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

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

    .line 174
    :cond_14
    new-instance v0, Ljava/io/FileInputStream;

    iget-object v1, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

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

    return-object v0
.end method

.method public readFully()[B
    .registers 7
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 183
    invoke-virtual {p0}, Landroidx/core/util/AtomicFile;->openRead()Ljava/io/FileInputStream;

    move-result-object v0

    .line 186
    :try_start_4
    invoke-virtual {v0}, Ljava/io/FileInputStream;->available()I

    move-result v1

    .line 187
    new-array v1, v1, [B

    const/4 v2, 0x0

    move v3, v2

    .line 189
    :cond_c
    :goto_c
    array-length v4, v1

    sub-int/2addr v4, v3

    invoke-virtual {v0, v1, v3, v4}, Ljava/io/FileInputStream;->read([BII)I

    move-result v4
    :try_end_12
    .catchall {:try_start_4 .. :try_end_12} :catchall_29

    if-gtz v4, :cond_18

    .line 206
    invoke-virtual {v0}, Ljava/io/FileInputStream;->close()V

    return-object v1

    :cond_18
    add-int/2addr v3, v4

    .line 198
    :try_start_19
    invoke-virtual {v0}, Ljava/io/FileInputStream;->available()I

    move-result v4

    .line 199
    array-length v5, v1

    sub-int/2addr v5, v3

    if-le v4, v5, :cond_c

    add-int/2addr v4, v3

    .line 200
    new-array v4, v4, [B

    .line 201
    invoke-static {v1, v2, v4, v2, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
    :try_end_27
    .catchall {:try_start_19 .. :try_end_27} :catchall_29

    move-object v1, v4

    goto :goto_c

    :catchall_29
    move-exception v1

    .line 206
    invoke-virtual {v0}, Ljava/io/FileInputStream;->close()V

    throw v1
.end method

.method public startWrite()Ljava/io/FileOutputStream;
    .registers 4
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 93
    iget-object v0, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

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

    move-result v0

    if-eqz v0, :cond_42

    .line 94
    iget-object v0, p0, Landroidx/core/util/AtomicFile;->mBackupName:Ljava/io/File;

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

    move-result v0

    if-nez v0, :cond_3d

    .line 95
    iget-object v0, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

    iget-object v1, p0, Landroidx/core/util/AtomicFile;->mBackupName:Ljava/io/File;

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

    move-result v0

    if-nez v0, :cond_42

    .line 96
    new-instance v0, Ljava/lang/StringBuilder;

    const-string v1, "Couldn\'t rename file "

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

    iget-object v1, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

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

    move-result-object v0

    const-string v1, " to backup file "

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

    move-result-object v0

    iget-object v1, p0, Landroidx/core/util/AtomicFile;->mBackupName:Ljava/io/File;

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

    move-result-object v0

    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_42

    .line 100
    :cond_3d
    iget-object v0, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

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

    .line 105
    :cond_42
    :goto_42
    :try_start_42
    new-instance v0, Ljava/io/FileOutputStream;

    iget-object v1, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

    invoke-direct {v0, v1}, Ljava/io/FileOutputStream;-><init>(Ljava/io/File;)V
    :try_end_49
    .catch Ljava/io/FileNotFoundException; {:try_start_42 .. :try_end_49} :catch_4a

    goto :goto_5d

    .line 107
    :catch_4a
    iget-object v0, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

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

    move-result-object v0

    .line 108
    invoke-virtual {v0}, Ljava/io/File;->mkdirs()Z

    move-result v0

    if-eqz v0, :cond_75

    .line 112
    :try_start_56
    new-instance v0, Ljava/io/FileOutputStream;

    iget-object v1, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

    invoke-direct {v0, v1}, Ljava/io/FileOutputStream;-><init>(Ljava/io/File;)V
    :try_end_5d
    .catch Ljava/io/FileNotFoundException; {:try_start_56 .. :try_end_5d} :catch_5e

    :goto_5d
    return-object v0

    .line 114
    :catch_5e
    new-instance v0, Ljava/io/IOException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "Couldn\'t create "

    invoke-direct {v1, v2}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    iget-object v2, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

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

    move-result-object v1

    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 109
    :cond_75
    new-instance v0, Ljava/io/IOException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "Couldn\'t create directory "

    invoke-direct {v1, v2}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    iget-object v2, p0, Landroidx/core/util/AtomicFile;->mBaseName:Ljava/io/File;

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

    move-result-object v1

    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