.class public Lorg/apache/http/conn/util/InetAddressUtils;
.super Ljava/lang/Object;
.source "InetAddressUtils.java"


# static fields
.field private static final COLON_CHAR:C = ':'

.field private static final IPV4_BASIC_PATTERN_STRING:Ljava/lang/String; = "(([1-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){1}(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){2}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])"

.field private static final IPV4_MAPPED_IPV6_PATTERN:Ljava/util/regex/Pattern;

.field private static final IPV4_PATTERN:Ljava/util/regex/Pattern;

.field private static final IPV6_HEX_COMPRESSED_PATTERN:Ljava/util/regex/Pattern;

.field private static final IPV6_STD_PATTERN:Ljava/util/regex/Pattern;

.field private static final MAX_COLON_COUNT:I = 0x7


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

    .line 47
    const-string v0, "^(([1-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){1}(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){2}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$"

    invoke-static {v0}, Ljava/util/regex/Pattern;->compile(Ljava/lang/String;)Ljava/util/regex/Pattern;

    move-result-object v0

    sput-object v0, Lorg/apache/http/conn/util/InetAddressUtils;->IPV4_PATTERN:Ljava/util/regex/Pattern;

    .line 50
    const-string v0, "^::[fF]{4}:(([1-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){1}(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){2}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$"

    invoke-static {v0}, Ljava/util/regex/Pattern;->compile(Ljava/lang/String;)Ljava/util/regex/Pattern;

    move-result-object v0

    sput-object v0, Lorg/apache/http/conn/util/InetAddressUtils;->IPV4_MAPPED_IPV6_PATTERN:Ljava/util/regex/Pattern;

    .line 53
    const-string v0, "^[0-9a-fA-F]{1,4}(:[0-9a-fA-F]{1,4}){7}$"

    invoke-static {v0}, Ljava/util/regex/Pattern;->compile(Ljava/lang/String;)Ljava/util/regex/Pattern;

    move-result-object v0

    sput-object v0, Lorg/apache/http/conn/util/InetAddressUtils;->IPV6_STD_PATTERN:Ljava/util/regex/Pattern;

    .line 57
    const-string v0, "^(([0-9A-Fa-f]{1,4}(:[0-9A-Fa-f]{1,4}){0,5})?)::(([0-9A-Fa-f]{1,4}(:[0-9A-Fa-f]{1,4}){0,5})?)$"

    invoke-static {v0}, Ljava/util/regex/Pattern;->compile(Ljava/lang/String;)Ljava/util/regex/Pattern;

    move-result-object v0

    sput-object v0, Lorg/apache/http/conn/util/InetAddressUtils;->IPV6_HEX_COMPRESSED_PATTERN:Ljava/util/regex/Pattern;

    return-void
.end method

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

    .line 39
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static isIPv4Address(Ljava/lang/String;)Z
    .registers 2

    .line 78
    sget-object v0, Lorg/apache/http/conn/util/InetAddressUtils;->IPV4_PATTERN:Ljava/util/regex/Pattern;

    invoke-virtual {v0, p0}, Ljava/util/regex/Pattern;->matcher(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;

    move-result-object p0

    invoke-virtual {p0}, Ljava/util/regex/Matcher;->matches()Z

    move-result p0

    return p0
.end method

.method public static isIPv4MappedIPv64Address(Ljava/lang/String;)Z
    .registers 2

    .line 82
    sget-object v0, Lorg/apache/http/conn/util/InetAddressUtils;->IPV4_MAPPED_IPV6_PATTERN:Ljava/util/regex/Pattern;

    invoke-virtual {v0, p0}, Ljava/util/regex/Pattern;->matcher(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;

    move-result-object p0

    invoke-virtual {p0}, Ljava/util/regex/Matcher;->matches()Z

    move-result p0

    return p0
.end method

.method public static isIPv6Address(Ljava/lang/String;)Z
    .registers 2

    .line 118
    invoke-static {p0}, Lorg/apache/http/conn/util/InetAddressUtils;->isIPv6StdAddress(Ljava/lang/String;)Z

    move-result v0

    if-nez v0, :cond_f

    invoke-static {p0}, Lorg/apache/http/conn/util/InetAddressUtils;->isIPv6HexCompressedAddress(Ljava/lang/String;)Z

    move-result p0

    if-eqz p0, :cond_d

    goto :goto_f

    :cond_d
    const/4 p0, 0x0

    goto :goto_10

    :cond_f
    :goto_f
    const/4 p0, 0x1

    :goto_10
    return p0
.end method

.method public static isIPv6HexCompressedAddress(Ljava/lang/String;)Z
    .registers 6

    const/4 v0, 0x0

    move v1, v0

    move v2, v1

    .line 103
    :goto_3
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v3

    if-ge v1, v3, :cond_16

    .line 104
    invoke-virtual {p0, v1}, Ljava/lang/String;->charAt(I)C

    move-result v3

    const/16 v4, 0x3a

    if-ne v3, v4, :cond_13

    add-int/lit8 v2, v2, 0x1

    :cond_13
    add-int/lit8 v1, v1, 0x1

    goto :goto_3

    :cond_16
    const/4 v1, 0x7

    if-gt v2, v1, :cond_26

    .line 108
    sget-object v1, Lorg/apache/http/conn/util/InetAddressUtils;->IPV6_HEX_COMPRESSED_PATTERN:Ljava/util/regex/Pattern;

    invoke-virtual {v1, p0}, Ljava/util/regex/Pattern;->matcher(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;

    move-result-object p0

    invoke-virtual {p0}, Ljava/util/regex/Matcher;->matches()Z

    move-result p0

    if-eqz p0, :cond_26

    const/4 v0, 0x1

    :cond_26
    return v0
.end method

.method public static isIPv6StdAddress(Ljava/lang/String;)Z
    .registers 2

    .line 92
    sget-object v0, Lorg/apache/http/conn/util/InetAddressUtils;->IPV6_STD_PATTERN:Ljava/util/regex/Pattern;

    invoke-virtual {v0, p0}, Ljava/util/regex/Pattern;->matcher(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;

    move-result-object p0

    invoke-virtual {p0}, Ljava/util/regex/Matcher;->matches()Z

    move-result p0

    return p0
.end method