ExclusiveLock.smali

.class public Lcom/cmcm/support/util/ExclusiveLock;
.super Ljava/lang/Object;


# annotations
.annotation system Ldalvik/annotation/MemberClasses;
    value = {
        Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;
    }
.end annotation


# static fields
.field private static final LOCK_FILE_NAME:Ljava/lang/String; = "fileLock"

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

.field private static singleton:Lcom/cmcm/support/util/ExclusiveLock;


# instance fields
.field private mRefCountMap:Ljava/util/Map;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Ljava/util/Map",
            "<",
            "Ljava/lang/String;",
            "Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;",
            ">;"
        }
    .end annotation
.end field


# direct methods
.method public constructor <init>()V
    .registers 2

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

    new-instance v0, Ljava/util/concurrent/ConcurrentHashMap;

    invoke-direct {v0}, Ljava/util/concurrent/ConcurrentHashMap;-><init>()V

    iput-object v0, p0, Lcom/cmcm/support/util/ExclusiveLock;->mRefCountMap:Ljava/util/Map;

    return-void
.end method

.method private RefCntDec(Ljava/lang/String;)I
    .registers 4

    const/4 v0, 0x0

    invoke-static {v0}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v0

    iget-object v1, p0, Lcom/cmcm/support/util/ExclusiveLock;->mRefCountMap:Ljava/util/Map;

    invoke-interface {v1, p1}, Ljava/util/Map;->containsKey(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_2a

    iget-object v0, p0, Lcom/cmcm/support/util/ExclusiveLock;->mRefCountMap:Ljava/util/Map;

    invoke-interface {v0, p1}, Ljava/util/Map;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;

    iget v1, v0, Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;->mRefCount:I

    add-int/lit8 v1, v1, -0x1

    iput v1, v0, Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;->mRefCount:I

    invoke-static {v1}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/Integer;->intValue()I

    move-result v1

    if-gtz v1, :cond_2a

    iget-object v1, p0, Lcom/cmcm/support/util/ExclusiveLock;->mRefCountMap:Ljava/util/Map;

    invoke-interface {v1, p1}, Ljava/util/Map;->remove(Ljava/lang/Object;)Ljava/lang/Object;

    :cond_2a
    invoke-virtual {v0}, Ljava/lang/Integer;->intValue()I

    move-result v0

    return v0
.end method

.method private RefCntInc(Ljava/lang/String;Ljava/nio/channels/FileLock;Ljava/io/RandomAccessFile;Ljava/nio/channels/FileChannel;)I
    .registers 13

    const/4 v0, 0x0

    invoke-static {v0}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    iget-object v0, p0, Lcom/cmcm/support/util/ExclusiveLock;->mRefCountMap:Ljava/util/Map;

    invoke-interface {v0, p1}, Ljava/util/Map;->containsKey(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_23

    iget-object v0, p0, Lcom/cmcm/support/util/ExclusiveLock;->mRefCountMap:Ljava/util/Map;

    invoke-interface {v0, p1}, Ljava/util/Map;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;

    iget v1, v0, Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;->mRefCount:I

    add-int/lit8 v2, v1, 0x1

    iput v2, v0, Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;->mRefCount:I

    invoke-static {v1}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v0

    :goto_1e
    invoke-virtual {v0}, Ljava/lang/Integer;->intValue()I

    move-result v0

    return v0

    :cond_23
    const/4 v0, 0x1

    invoke-static {v0}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v6

    iget-object v7, p0, Lcom/cmcm/support/util/ExclusiveLock;->mRefCountMap:Ljava/util/Map;

    new-instance v0, Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;

    invoke-virtual {v6}, Ljava/lang/Integer;->intValue()I

    move-result v3

    move-object v1, p0

    move-object v2, p2

    move-object v4, p3

    move-object v5, p4

    invoke-direct/range {v0 .. v5}, Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;-><init>(Lcom/cmcm/support/util/ExclusiveLock;Ljava/nio/channels/FileLock;ILjava/io/RandomAccessFile;Ljava/nio/channels/FileChannel;)V

    invoke-interface {v7, p1, v0}, Ljava/util/Map;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;

    move-object v0, v6

    goto :goto_1e
.end method

.method public static declared-synchronized getInstance()Lcom/cmcm/support/util/ExclusiveLock;
    .registers 2

    const-class v1, Lcom/cmcm/support/util/ExclusiveLock;

    monitor-enter v1

    :try_start_3
    sget-object v0, Lcom/cmcm/support/util/ExclusiveLock;->singleton:Lcom/cmcm/support/util/ExclusiveLock;

    if-nez v0, :cond_e

    new-instance v0, Lcom/cmcm/support/util/ExclusiveLock;

    invoke-direct {v0}, Lcom/cmcm/support/util/ExclusiveLock;-><init>()V

    sput-object v0, Lcom/cmcm/support/util/ExclusiveLock;->singleton:Lcom/cmcm/support/util/ExclusiveLock;

    :cond_e
    sget-object v0, Lcom/cmcm/support/util/ExclusiveLock;->singleton:Lcom/cmcm/support/util/ExclusiveLock;
    :try_end_10
    .catchall {:try_start_3 .. :try_end_10} :catchall_12

    monitor-exit v1

    return-object v0

    :catchall_12
    move-exception v0

    monitor-exit v1

    throw v0
.end method


# virtual methods
.method public lock(Ljava/io/File;)Z
    .registers 10

    const/4 v0, 0x0

    if-nez p1, :cond_c

    new-instance v0, Ljava/lang/RuntimeException;

    const-string/jumbo v1, "dir is null"

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

    throw v0

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

    move-result v1

    if-nez v1, :cond_15

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

    :cond_15
    :try_start_15
    new-instance v1, Ljava/io/File;

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

    move-result-object v2

    const-string/jumbo v3, "/"

    invoke-virtual {v2, v3}, Ljava/lang/String;->concat(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v2

    const-string/jumbo v3, "fileLock"

    invoke-virtual {v2, v3}, Ljava/lang/String;->concat(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v2

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

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

    move-result v2

    if-nez v2, :cond_35

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

    :cond_35
    new-instance v2, Ljava/io/RandomAccessFile;

    invoke-virtual {v1}, Ljava/io/File;->getAbsolutePath()Ljava/lang/String;

    move-result-object v3

    const-string/jumbo v4, "rw"

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

    invoke-virtual {v2}, Ljava/io/RandomAccessFile;->getChannel()Ljava/nio/channels/FileChannel;

    move-result-object v3

    const-string/jumbo v4, "gwj"

    const-string/jumbo v5, "[ExclusiveLock.lock] before getLock "

    invoke-static {v4, v5}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    invoke-virtual {v3}, Ljava/nio/channels/FileChannel;->lock()Ljava/nio/channels/FileLock;

    move-result-object v4

    const-string/jumbo v5, "gwj"

    new-instance v6, Ljava/lang/StringBuilder;

    invoke-direct {v6}, Ljava/lang/StringBuilder;-><init>()V

    const-string/jumbo v7, "[ExclusiveLock.lock] after getLock isValid()="

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    invoke-virtual {v4}, Ljava/nio/channels/FileLock;->isValid()Z

    move-result v7

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Z)Ljava/lang/StringBuilder;

    move-result-object v6

    invoke-virtual {v6}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v6

    invoke-static {v5, v6}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    invoke-virtual {v4}, Ljava/nio/channels/FileLock;->isValid()Z

    move-result v5

    if-nez v5, :cond_77

    :goto_76
    return v0

    :cond_77
    invoke-virtual {v1}, Ljava/io/File;->getAbsolutePath()Ljava/lang/String;

    move-result-object v1

    invoke-direct {p0, v1, v4, v2, v3}, Lcom/cmcm/support/util/ExclusiveLock;->RefCntInc(Ljava/lang/String;Ljava/nio/channels/FileLock;Ljava/io/RandomAccessFile;Ljava/nio/channels/FileChannel;)I
    :try_end_7e
    .catch Ljava/lang/Exception; {:try_start_15 .. :try_end_7e} :catch_80

    const/4 v0, 0x1

    goto :goto_76

    :catch_80
    move-exception v1

    const-string/jumbo v2, "gwj"

    new-instance v3, Ljava/lang/StringBuilder;

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

    const-string/jumbo v4, "FileLock "

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

    move-result-object v3

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

    move-result-object v4

    const-string/jumbo v5, "/"

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

    move-result-object v4

    const-string/jumbo v5, "fileLock"

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

    move-result-object v4

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

    move-result-object v3

    const-string/jumbo v4, " Lock FAIL! "

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

    move-result-object v3

    invoke-virtual {v1}, Ljava/lang/Exception;->getMessage()Ljava/lang/String;

    move-result-object v4

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

    move-result-object v3

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

    move-result-object v3

    invoke-static {v2, v3, v1}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I

    goto :goto_76
.end method

.method public unLock(Ljava/io/File;)V
    .registers 7

    if-eqz p1, :cond_8

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

    move-result v0

    if-nez v0, :cond_11

    :cond_8
    new-instance v0, Ljava/lang/RuntimeException;

    const-string/jumbo v1, "dir is not exists"

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

    throw v0

    :cond_11
    new-instance v1, Ljava/io/File;

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

    move-result-object v0

    const-string/jumbo v2, "/"

    invoke-virtual {v0, v2}, Ljava/lang/String;->concat(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    const-string/jumbo v2, "fileLock"

    invoke-virtual {v0, v2}, Ljava/lang/String;->concat(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

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

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

    move-result v0

    if-nez v0, :cond_2f

    :cond_2e
    :goto_2e
    return-void

    :cond_2f
    if-eqz v1, :cond_3d

    iget-object v0, p0, Lcom/cmcm/support/util/ExclusiveLock;->mRefCountMap:Ljava/util/Map;

    invoke-virtual {v1}, Ljava/io/File;->getAbsolutePath()Ljava/lang/String;

    move-result-object v2

    invoke-interface {v0, v2}, Ljava/util/Map;->containsKey(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_2e

    :cond_3d
    iget-object v0, p0, Lcom/cmcm/support/util/ExclusiveLock;->mRefCountMap:Ljava/util/Map;

    invoke-virtual {v1}, Ljava/io/File;->getAbsolutePath()Ljava/lang/String;

    move-result-object v2

    invoke-interface {v0, v2}, Ljava/util/Map;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;

    if-eqz v0, :cond_2e

    iget-object v2, v0, Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;->mFileLock:Ljava/nio/channels/FileLock;

    iget-object v3, v0, Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;->fOs:Ljava/io/RandomAccessFile;

    iget-object v0, v0, Lcom/cmcm/support/util/ExclusiveLock$FileLockCount;->fChannel:Ljava/nio/channels/FileChannel;

    :try_start_51
    invoke-virtual {v1}, Ljava/io/File;->getAbsolutePath()Ljava/lang/String;

    move-result-object v1

    invoke-direct {p0, v1}, Lcom/cmcm/support/util/ExclusiveLock;->RefCntDec(Ljava/lang/String;)I

    move-result v1

    if-gtz v1, :cond_2e

    if-eqz v2, :cond_78

    invoke-virtual {v2}, Ljava/nio/channels/FileLock;->isValid()Z

    move-result v1

    if-eqz v1, :cond_78

    const-string/jumbo v1, "gwj"

    const-string/jumbo v4, "[ExclusiveLock.lock] before releaseLock"

    invoke-static {v1, v4}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    invoke-virtual {v2}, Ljava/nio/channels/FileLock;->release()V

    const-string/jumbo v1, "gwj"

    const-string/jumbo v2, "[ExclusiveLock.lock] after releaseLock"

    invoke-static {v1, v2}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    :cond_78
    if-eqz v3, :cond_7d

    invoke-virtual {v3}, Ljava/io/RandomAccessFile;->close()V

    :cond_7d
    if-eqz v0, :cond_2e

    invoke-virtual {v0}, Ljava/nio/channels/FileChannel;->close()V
    :try_end_82
    .catch Ljava/io/IOException; {:try_start_51 .. :try_end_82} :catch_83

    goto :goto_2e

    :catch_83
    move-exception v0

    const-string/jumbo v1, "gwj"

    new-instance v2, Ljava/lang/StringBuilder;

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

    const-string/jumbo v3, "FileLock "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

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

    move-result-object v3

    const-string/jumbo v4, "/"

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

    move-result-object v3

    const-string/jumbo v4, "fileLock"

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

    move-result-object v3

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    const-string/jumbo v3, " unlock FAIL! "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    invoke-virtual {v0}, Ljava/io/IOException;->getMessage()Ljava/lang/String;

    move-result-object v3

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

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

    move-result-object v2

    invoke-static {v1, v2, v0}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I

    goto/16 :goto_2e
.end method