Md5Utils.smali

.class public Lcom/amazonaws/util/Md5Utils;
.super Ljava/lang/Object;
.source "Md5Utils.java"


# static fields
.field private static final FOURTEEN:I = 0xe

.field private static final SIXTEEN_K:I = 0x4000


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

    .line 1
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static computeMD5Hash(Ljava/io/File;)[B
    .registers 2
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 16
    new-instance v0, Ljava/io/FileInputStream;

    invoke-direct {v0, p0}, Ljava/io/FileInputStream;-><init>(Ljava/io/File;)V

    invoke-static {v0}, Lcom/amazonaws/util/Md5Utils;->computeMD5Hash(Ljava/io/InputStream;)[B

    move-result-object p0

    return-object p0
.end method

.method public static computeMD5Hash(Ljava/io/InputStream;)[B
    .registers 7
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    const-string v0, "Unable to close input stream of hash candidate: "

    .line 1
    new-instance v1, Ljava/io/BufferedInputStream;

    invoke-direct {v1, p0}, Ljava/io/BufferedInputStream;-><init>(Ljava/io/InputStream;)V

    :try_start_7
    const-string p0, "MD5"

    .line 2
    invoke-static {p0}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object p0

    const/16 v2, 0x4000

    .line 3
    new-array v2, v2, [B

    .line 4
    :goto_11
    array-length v3, v2

    const/4 v4, 0x0

    invoke-virtual {v1, v2, v4, v3}, Ljava/io/BufferedInputStream;->read([BII)I

    move-result v3

    const/4 v5, -0x1

    if-eq v3, v5, :cond_1e

    .line 5
    invoke-virtual {p0, v2, v4, v3}, Ljava/security/MessageDigest;->update([BII)V

    goto :goto_11

    .line 6
    :cond_1e
    invoke-virtual {p0}, Ljava/security/MessageDigest;->digest()[B

    move-result-object p0
    :try_end_22
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_7 .. :try_end_22} :catch_42
    .catchall {:try_start_7 .. :try_end_22} :catchall_40

    .line 7
    :try_start_22
    invoke-virtual {v1}, Ljava/io/BufferedInputStream;->close()V
    :try_end_25
    .catch Ljava/lang/Exception; {:try_start_22 .. :try_end_25} :catch_26

    goto :goto_3f

    :catch_26
    move-exception v1

    .line 8
    const-class v2, Lcom/amazonaws/util/Md5Utils;

    invoke-static {v2}, Lcom/amazonaws/logging/LogFactory;->getLog(Ljava/lang/Class;)Lcom/amazonaws/logging/Log;

    move-result-object v2

    new-instance v3, Ljava/lang/StringBuilder;

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

    invoke-virtual {v3, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v3, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

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

    move-result-object v0

    invoke-interface {v2, v0}, Lcom/amazonaws/logging/Log;->debug(Ljava/lang/Object;)V

    :goto_3f
    return-object p0

    :catchall_40
    move-exception p0

    goto :goto_49

    :catch_42
    move-exception p0

    .line 9
    :try_start_43
    new-instance v2, Ljava/lang/IllegalStateException;

    invoke-direct {v2, p0}, Ljava/lang/IllegalStateException;-><init>(Ljava/lang/Throwable;)V

    throw v2
    :try_end_49
    .catchall {:try_start_43 .. :try_end_49} :catchall_40

    .line 10
    :goto_49
    :try_start_49
    invoke-virtual {v1}, Ljava/io/BufferedInputStream;->close()V
    :try_end_4c
    .catch Ljava/lang/Exception; {:try_start_49 .. :try_end_4c} :catch_4d

    goto :goto_66

    :catch_4d
    move-exception v1

    .line 11
    const-class v2, Lcom/amazonaws/util/Md5Utils;

    invoke-static {v2}, Lcom/amazonaws/logging/LogFactory;->getLog(Ljava/lang/Class;)Lcom/amazonaws/logging/Log;

    move-result-object v2

    new-instance v3, Ljava/lang/StringBuilder;

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

    invoke-virtual {v3, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v3, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

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

    move-result-object v0

    invoke-interface {v2, v0}, Lcom/amazonaws/logging/Log;->debug(Ljava/lang/Object;)V

    .line 12
    :goto_66
    goto :goto_68

    :goto_67
    throw p0

    :goto_68
    goto :goto_67
.end method

.method public static computeMD5Hash([B)[B
    .registers 2

    :try_start_0
    const-string v0, "MD5"

    .line 13
    invoke-static {v0}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object v0

    .line 14
    invoke-virtual {v0, p0}, Ljava/security/MessageDigest;->digest([B)[B

    move-result-object p0
    :try_end_a
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_0 .. :try_end_a} :catch_b

    return-object p0

    :catch_b
    move-exception p0

    .line 15
    new-instance v0, Ljava/lang/IllegalStateException;

    invoke-direct {v0, p0}, Ljava/lang/IllegalStateException;-><init>(Ljava/lang/Throwable;)V

    throw v0
.end method

.method public static md5AsBase64(Ljava/io/File;)Ljava/lang/String;
    .registers 1
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 3
    invoke-static {p0}, Lcom/amazonaws/util/Md5Utils;->computeMD5Hash(Ljava/io/File;)[B

    move-result-object p0

    invoke-static {p0}, Lcom/amazonaws/util/Base64;->encodeAsString([B)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static md5AsBase64(Ljava/io/InputStream;)Ljava/lang/String;
    .registers 1
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 1
    invoke-static {p0}, Lcom/amazonaws/util/Md5Utils;->computeMD5Hash(Ljava/io/InputStream;)[B

    move-result-object p0

    invoke-static {p0}, Lcom/amazonaws/util/Base64;->encodeAsString([B)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static md5AsBase64([B)Ljava/lang/String;
    .registers 1

    .line 2
    invoke-static {p0}, Lcom/amazonaws/util/Md5Utils;->computeMD5Hash([B)[B

    move-result-object p0

    invoke-static {p0}, Lcom/amazonaws/util/Base64;->encodeAsString([B)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method