ProxyCacheUtils.smali

.class public Lcom/danikula/videocache/ProxyCacheUtils;
.super Ljava/lang/Object;
.source "ProxyCacheUtils.java"


# static fields
.field static final DEFAULT_BUFFER_SIZE:I = 0x2000

.field private static final LOG:Lorg/slf4j/Logger;

.field static final MAX_ARRAY_PREVIEW:I = 0x10


# direct methods
.method static constructor <clinit>()V
    .registers 1

    .line 28
    const-string v0, "ProxyCacheUtils"

    invoke-static {v0}, Lorg/slf4j/LoggerFactory;->getLogger(Ljava/lang/String;)Lorg/slf4j/Logger;

    move-result-object v0

    sput-object v0, Lcom/danikula/videocache/ProxyCacheUtils;->LOG:Lorg/slf4j/Logger;

    return-void
.end method

.method public constructor <init>()V
    .registers 1

    .line 26
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method static assertBuffer([BJI)V
    .registers 9
    .param p0, "buffer"    # [B
    .param p1, "offset"    # J
    .param p3, "length"    # I

    .line 39
    const-string v0, "Buffer must be not null!"

    invoke-static {p0, v0}, Lcom/danikula/videocache/Preconditions;->checkNotNull(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;

    .line 40
    const/4 v0, 0x1

    const/4 v1, 0x0

    const-wide/16 v2, 0x0

    cmp-long v4, p1, v2

    if-ltz v4, :cond_f

    const/4 v2, 0x1

    goto :goto_10

    :cond_f
    const/4 v2, 0x0

    :goto_10
    const-string v3, "Data offset must be positive!"

    invoke-static {v2, v3}, Lcom/danikula/videocache/Preconditions;->checkArgument(ZLjava/lang/String;)V

    .line 41
    if-ltz p3, :cond_1b

    array-length v2, p0

    if-gt p3, v2, :cond_1b

    goto :goto_1c

    :cond_1b
    const/4 v0, 0x0

    :goto_1c
    const-string v1, "Length must be in range [0..buffer.length]"

    invoke-static {v0, v1}, Lcom/danikula/videocache/Preconditions;->checkArgument(ZLjava/lang/String;)V

    .line 42
    return-void
.end method

.method private static bytesToHexString([B)Ljava/lang/String;
    .registers 8
    .param p0, "bytes"    # [B

    .line 91
    new-instance v0, Ljava/lang/StringBuffer;

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

    .line 92
    .local v0, "sb":Ljava/lang/StringBuffer;
    array-length v1, p0

    const/4 v2, 0x0

    const/4 v3, 0x0

    :goto_8
    if-ge v3, v1, :cond_21

    aget-byte v4, p0, v3

    .line 93
    .local v4, "b":B
    const/4 v5, 0x1

    new-array v5, v5, [Ljava/lang/Object;

    invoke-static {v4}, Ljava/lang/Byte;->valueOf(B)Ljava/lang/Byte;

    move-result-object v6

    aput-object v6, v5, v2

    const-string v6, "%02x"

    invoke-static {v6, v5}, Ljava/lang/String;->format(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v5

    invoke-virtual {v0, v5}, Ljava/lang/StringBuffer;->append(Ljava/lang/String;)Ljava/lang/StringBuffer;

    .line 92
    .end local v4    # "b":B
    add-int/lit8 v3, v3, 0x1

    goto :goto_8

    .line 95
    :cond_21
    invoke-virtual {v0}, Ljava/lang/StringBuffer;->toString()Ljava/lang/String;

    move-result-object v1

    return-object v1
.end method

.method static close(Ljava/io/Closeable;)V
    .registers 4
    .param p0, "closeable"    # Ljava/io/Closeable;

    .line 71
    if-eqz p0, :cond_e

    .line 73
    :try_start_2
    invoke-interface {p0}, Ljava/io/Closeable;->close()V
    :try_end_5
    .catch Ljava/io/IOException; {:try_start_2 .. :try_end_5} :catch_6

    .line 76
    goto :goto_e

    .line 74
    :catch_6
    move-exception v0

    .line 75
    .local v0, "e":Ljava/io/IOException;
    sget-object v1, Lcom/danikula/videocache/ProxyCacheUtils;->LOG:Lorg/slf4j/Logger;

    const-string v2, "Error closing resource"

    invoke-interface {v1, v2, v0}, Lorg/slf4j/Logger;->error(Ljava/lang/String;Ljava/lang/Throwable;)V

    .line 78
    .end local v0    # "e":Ljava/io/IOException;
    :cond_e
    :goto_e
    return-void
.end method

.method public static computeMD5(Ljava/lang/String;)Ljava/lang/String;
    .registers 4
    .param p0, "string"    # Ljava/lang/String;

    .line 82
    :try_start_0
    const-string v0, "MD5"

    invoke-static {v0}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object v0

    .line 83
    .local v0, "messageDigest":Ljava/security/MessageDigest;
    invoke-virtual {p0}, Ljava/lang/String;->getBytes()[B

    move-result-object v1

    invoke-virtual {v0, v1}, Ljava/security/MessageDigest;->digest([B)[B

    move-result-object v1

    .line 84
    .local v1, "digestBytes":[B
    invoke-static {v1}, Lcom/danikula/videocache/ProxyCacheUtils;->bytesToHexString([B)Ljava/lang/String;

    move-result-object v2
    :try_end_12
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_0 .. :try_end_12} :catch_13

    return-object v2

    .line 85
    .end local v0    # "messageDigest":Ljava/security/MessageDigest;
    .end local v1    # "digestBytes":[B
    :catch_13
    move-exception v0

    .line 86
    .local v0, "e":Ljava/security/NoSuchAlgorithmException;
    new-instance v1, Ljava/lang/IllegalStateException;

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

    throw v1
.end method

.method static decode(Ljava/lang/String;)Ljava/lang/String;
    .registers 4
    .param p0, "url"    # Ljava/lang/String;

    .line 64
    :try_start_0
    const-string/jumbo v0, "utf-8"

    invoke-static {p0, v0}, Ljava/net/URLDecoder;->decode(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0
    :try_end_7
    .catch Ljava/io/UnsupportedEncodingException; {:try_start_0 .. :try_end_7} :catch_8

    return-object v0

    .line 65
    :catch_8
    move-exception v0

    .line 66
    .local v0, "e":Ljava/io/UnsupportedEncodingException;
    new-instance v1, Ljava/lang/RuntimeException;

    const-string v2, "Error decoding url"

    invoke-direct {v1, v2, v0}, Ljava/lang/RuntimeException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw v1
.end method

.method static encode(Ljava/lang/String;)Ljava/lang/String;
    .registers 4
    .param p0, "url"    # Ljava/lang/String;

    .line 56
    :try_start_0
    const-string/jumbo v0, "utf-8"

    invoke-static {p0, v0}, Ljava/net/URLEncoder;->encode(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0
    :try_end_7
    .catch Ljava/io/UnsupportedEncodingException; {:try_start_0 .. :try_end_7} :catch_8

    return-object v0

    .line 57
    :catch_8
    move-exception v0

    .line 58
    .local v0, "e":Ljava/io/UnsupportedEncodingException;
    new-instance v1, Ljava/lang/RuntimeException;

    const-string v2, "Error encoding url"

    invoke-direct {v1, v2, v0}, Ljava/lang/RuntimeException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw v1
.end method

.method static getSupposablyMime(Ljava/lang/String;)Ljava/lang/String;
    .registers 4
    .param p0, "url"    # Ljava/lang/String;

    .line 33
    invoke-static {}, Landroid/webkit/MimeTypeMap;->getSingleton()Landroid/webkit/MimeTypeMap;

    move-result-object v0

    .line 34
    .local v0, "mimes":Landroid/webkit/MimeTypeMap;
    invoke-static {p0}, Landroid/webkit/MimeTypeMap;->getFileExtensionFromUrl(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v1

    .line 35
    .local v1, "extension":Ljava/lang/String;
    invoke-static {v1}, Landroid/text/TextUtils;->isEmpty(Ljava/lang/CharSequence;)Z

    move-result v2

    if-eqz v2, :cond_10

    const/4 v2, 0x0

    goto :goto_14

    :cond_10
    invoke-virtual {v0, v1}, Landroid/webkit/MimeTypeMap;->getMimeTypeFromExtension(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v2

    :goto_14
    return-object v2
.end method

.method static preview([BI)Ljava/lang/String;
    .registers 8
    .param p0, "data"    # [B
    .param p1, "length"    # I

    .line 45
    const/4 v0, 0x0

    invoke-static {p1, v0}, Ljava/lang/Math;->max(II)I

    move-result v1

    const/16 v2, 0x10

    invoke-static {v2, v1}, Ljava/lang/Math;->min(II)I

    move-result v1

    .line 46
    .local v1, "previewLength":I
    invoke-static {p0, v0, v1}, Ljava/util/Arrays;->copyOfRange([BII)[B

    move-result-object v2

    .line 47
    .local v2, "dataRange":[B
    invoke-static {v2}, Ljava/util/Arrays;->toString([B)Ljava/lang/String;

    move-result-object v3

    .line 48
    .local v3, "preview":Ljava/lang/String;
    if-ge v1, p1, :cond_30

    .line 49
    new-instance v4, Ljava/lang/StringBuilder;

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

    invoke-virtual {v3}, Ljava/lang/String;->length()I

    move-result v5

    add-int/lit8 v5, v5, -0x1

    invoke-virtual {v3, v0, v5}, Ljava/lang/String;->substring(II)Ljava/lang/String;

    move-result-object v0

    invoke-virtual {v4, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    const-string v0, ", ...]"

    invoke-virtual {v4, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

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

    move-result-object v3

    .line 51
    :cond_30
    return-object v3
.end method