ShareFileLockHelper.smali

.class public Lcom/tencent/tinker/loader/shareutil/ShareFileLockHelper;
.super Ljava/lang/Object;

# interfaces
.implements Ljava/io/Closeable;


# static fields
.field public static final LOCK_WAIT_EACH_TIME:I = 0xa

.field public static final MAX_LOCK_ATTEMPTS:I = 0x3

.field private static final TAG:Ljava/lang/String; = "Tinker.FileLockHelper"


# instance fields
.field private final fileLock:Ljava/nio/channels/FileLock;

.field private final outputStream:Ljava/io/FileOutputStream;


# direct methods
.method private constructor <init>(Ljava/io/File;)V
    .registers 10

    const/4 v0, 0x0

    const/4 v2, 0x0

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

    new-instance v1, Ljava/io/FileOutputStream;

    invoke-direct {v1, p1}, Ljava/io/FileOutputStream;-><init>(Ljava/io/File;)V

    iput-object v1, p0, Lcom/tencent/tinker/loader/shareutil/ShareFileLockHelper;->outputStream:Ljava/io/FileOutputStream;

    move-object v3, v0

    move-object v1, v0

    move v0, v2

    :goto_f
    const/4 v4, 0x3

    if-ge v0, v4, :cond_23

    add-int/lit8 v4, v0, 0x1

    :try_start_14
    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareFileLockHelper;->outputStream:Ljava/io/FileOutputStream;

    invoke-virtual {v0}, Ljava/io/FileOutputStream;->getChannel()Ljava/nio/channels/FileChannel;

    move-result-object v0

    invoke-virtual {v0}, Ljava/nio/channels/FileChannel;->lock()Ljava/nio/channels/FileLock;
    :try_end_1d
    .catch Ljava/lang/Exception; {:try_start_14 .. :try_end_1d} :catch_4c

    move-result-object v1

    if-eqz v1, :cond_43

    const/4 v0, 0x1

    :goto_21
    if-eqz v0, :cond_45

    :cond_23
    if-nez v1, :cond_59

    new-instance v0, Ljava/io/IOException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string/jumbo v2, "Tinker Exception:FileLockHelper lock file failed: "

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

    move-result-object v1

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

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)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, v3}, Ljava/io/IOException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw v0

    :cond_43
    move v0, v2

    goto :goto_21

    :cond_45
    const-wide/16 v6, 0xa

    :try_start_47
    invoke-static {v6, v7}, Ljava/lang/Thread;->sleep(J)V
    :try_end_4a
    .catch Ljava/lang/Exception; {:try_start_47 .. :try_end_4a} :catch_4c

    move v0, v4

    goto :goto_f

    :catch_4c
    move-exception v0

    const-string/jumbo v3, "Tinker.FileLockHelper"

    const-string/jumbo v5, "getInfoLock Thread failed time:10"

    invoke-static {v3, v5}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)I

    move-object v3, v0

    move v0, v4

    goto :goto_f

    :cond_59
    iput-object v1, p0, Lcom/tencent/tinker/loader/shareutil/ShareFileLockHelper;->fileLock:Ljava/nio/channels/FileLock;

    return-void
.end method

.method public static getFileLock(Ljava/io/File;)Lcom/tencent/tinker/loader/shareutil/ShareFileLockHelper;
    .registers 2

    new-instance v0, Lcom/tencent/tinker/loader/shareutil/ShareFileLockHelper;

    invoke-direct {v0, p0}, Lcom/tencent/tinker/loader/shareutil/ShareFileLockHelper;-><init>(Ljava/io/File;)V

    return-object v0
.end method


# virtual methods
.method public close()V
    .registers 3

    :try_start_0
    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareFileLockHelper;->fileLock:Ljava/nio/channels/FileLock;

    if-eqz v0, :cond_9

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareFileLockHelper;->fileLock:Ljava/nio/channels/FileLock;

    invoke-virtual {v0}, Ljava/nio/channels/FileLock;->release()V
    :try_end_9
    .catchall {:try_start_0 .. :try_end_9} :catchall_13

    :cond_9
    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareFileLockHelper;->outputStream:Ljava/io/FileOutputStream;

    if-eqz v0, :cond_12

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareFileLockHelper;->outputStream:Ljava/io/FileOutputStream;

    invoke-virtual {v0}, Ljava/io/FileOutputStream;->close()V

    :cond_12
    return-void

    :catchall_13
    move-exception v0

    iget-object v1, p0, Lcom/tencent/tinker/loader/shareutil/ShareFileLockHelper;->outputStream:Ljava/io/FileOutputStream;

    if-eqz v1, :cond_1d

    iget-object v1, p0, Lcom/tencent/tinker/loader/shareutil/ShareFileLockHelper;->outputStream:Ljava/io/FileOutputStream;

    invoke-virtual {v1}, Ljava/io/FileOutputStream;->close()V

    :cond_1d
    throw v0
.end method