Nets (com.github.fangjinuo.langx:langx-java:4.2.2 4.2.2 API)

java.lang.Object
- com.jn.langx.util.net.Nets

```
public class Nets
extends Object
```

字段概要

字段
限定符和类型	字段和说明
`static Inet4Address`	`INET4_ANY` The "any" address for IPv4.
`static Inet4Address`	`INET4_BROADCAST` The broadcast-all address for IPv4.
`static Inet6Address`	`INET6_ANY` The "any" address for IPv6.
`static InetAddress`	`LOCALHOST` The `InetAddress` that represents the loopback address.
`static Inet4Address`	`LOCALHOST4` The `Inet4Address` that represents the IPv4 loopback address '127.0.0.1'
`static Inet6Address`	`LOCALHOST6` The `Inet6Address` that represents the IPv6 loopback address '::1'
`static NetworkInterface`	`LOOPBACK_IF` The loopback `NetworkInterface` of the current machine
`static int`	`SOMAXCONN` The SOMAXCONN value of the current machine.

构造器概要

构造器
构造器和说明

Nets()

构造器
构造器和说明
`Nets()`

方法概要

所有方法静态方法具体方法
限定符和类型	方法和说明
`static Enumeration<InetAddress>`	`addressesFromNetworkInterface(NetworkInterface intf)`
`static byte[]`	`createByteArrayFromIpAddressString(String ipAddressString)` Creates an byte[] based on an ipAddressString.
`static NetworkInterface`	`findInterfaceWithScopeId(String scopeName)`
`static Set<InetAddress>`	`getAddresses()` Returns a `Set` of `InetAddress` that are non-loopback or mac.
`static Inet6Address`	`getByName(CharSequence ip)` Returns the `Inet6Address` representation of a `CharSequence` IP address.
`static Inet6Address`	`getByName(CharSequence ip, boolean ipv4Mapped)` Returns the `Inet6Address` representation of a `CharSequence` IP address.
`static InetAddress`	`getCurrentAddress()` 获取本机IP
`static String`	`getFirstValidMac()`
`static NetworkInterface`	`getFirstValidNetworkInterface()` 获取第一个有效的网卡接口
`static String`	`getHostname(InetSocketAddress addr)` Returns InetSocketAddress#getHostString() if Java >= 7, or `InetSocketAddress.getHostName()` otherwise.
`static Inet4Address`	`getInet4Address(int s1, int s2, int s3, int s4)` Get an IPv4 address from four integer segments.
`static Inet6Address`	`getInet6Address(int s1, int s2, int s3, int s4, int s5, int s6, int s7, int s8)` Get an IPv6 address from eight integer segments.
`static String`	`getLocalHostName()` Returns the local hostname.
`static String`	`getLocalIp()` Returns the local IP.
`static String`	`getMac(byte[] bytes)`
`static String`	`getMac(NetworkInterface networkInterface)`
`static Map<String,Set<InetAddress>>`	`getNetworkInterfaceAddresses()` Returns a `Map` of `InetAddress` per `NetworkInterface`.
`static Map<String,Set<InetAddress>>`	`getNetworkInterfaceAddresses(Predicate<NetworkInterface> networkInterfacePredicate, Predicate<InetAddress> inetAddressPredicate)`
`static List<NetworkInterface>`	`getNetworkInterfaces()`
`static List<NetworkInterface>`	`getNetworkInterfaces(Predicate<NetworkInterface> predicate)`
`static int`	`getScopeId(InetAddress address)` Get the scope ID of the given address (if it is an IPv6 address).
`static int`	`getScopeId(NetworkInterface networkInterface)`
`static int`	`getScopeId(NetworkInterface networkInterface, InetAddress compareWith)`
`static int`	`getScopeId(String scopeName)` Attempt to get the scope ID of the given string.
`static int`	`getScopeId(String scopeName, InetAddress compareWith)` Attempt to get the scope ID of the given string.
`static int`	`indexOf(CharSequence cs, char searchChar, int start)` Finds the first index in the `CharSequence` that matches the specified character.
`static boolean`	`isValidDomainAddress(String domain)` Checks validity of a domain name.
`static boolean`	`isValidEmailDomainAddress(String domain)` Checks the validity of the domain name used in an email.
`static boolean`	`isValidIpV4Address(String ip)` Takes a `String` and parses it to see if it is a valid IPV4 address.
`static boolean`	`isValidIpV6Address(CharSequence ip)`
`static boolean`	`isValidIpV6Address(String ip)`
`static boolean`	`isValidPort(int port)`
`static String`	`toAddressString(InetAddress ip)` Returns the `String` representation of an `InetAddress`.
`static String`	`toAddressString(InetAddress ip, boolean ipv4Mapped)` Returns the `String` representation of an `InetAddress`.
`static String`	`toOptimalString(byte[] addressBytes)` Get the optimal string representation of the bytes of an IP address.
`static String`	`toOptimalString(InetAddress inetAddress)` Get the optimal string representation of an IP address.
`static String`	`toSocketAddressString(InetSocketAddress addr)` Returns the `String` representation of an `InetSocketAddress`.
`static String`	`toSocketAddressString(String host, int port)` Returns the `String` representation of a host port combo.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 字段详细资料
  - LOCALHOST4
```
public static final Inet4Address LOCALHOST4
```
    The Inet4Address that represents the IPv4 loopback address '127.0.0.1'
  - INET4_ANY
```
public static final Inet4Address INET4_ANY
```
    The "any" address for IPv4.
    
    从以下版本开始:
    
    4.1.0
  - LOCALHOST6
```
public static final Inet6Address LOCALHOST6
```
    The Inet6Address that represents the IPv6 loopback address '::1'
  - INET4_BROADCAST
```
public static final Inet4Address INET4_BROADCAST
```
    The broadcast-all address for IPv4.
    
    从以下版本开始:
    
    4.1.0
  - INET6_ANY
```
public static final Inet6Address INET6_ANY
```
    The "any" address for IPv6.
    
    从以下版本开始:
    
    4.1.0
  - LOCALHOST
```
public static final InetAddress LOCALHOST
```
    The InetAddress that represents the loopback address. If IPv6 stack is available, it will refer to LOCALHOST6. Otherwise, LOCALHOST4.
  - LOOPBACK_IF
```
public static final NetworkInterface LOOPBACK_IF
```
    The loopback NetworkInterface of the current machine
  - SOMAXCONN
```
public static final int SOMAXCONN
```
    The SOMAXCONN value of the current machine. If failed to get the value, 200 is used as a default value for Windows or 128 for others.
- 构造器详细资料
  - Nets
```
public Nets()
```
- 方法详细资料
  - getInet4Address
```
public static Inet4Address getInet4Address(int s1,
                                           int s2,
                                           int s3,
                                           int s4)
```
    Get an IPv4 address from four integer segments. Each segment must be between 0 and 255.
    
    参数:
    
    s1 - the first segment
    
    s2 - the second segment
    
    s3 - the third segment
    
    s4 - the fourth segment
    
    返回:
    
    the address (not null)
    
    从以下版本开始:
    
    4.1.0
  - getInet6Address
```
public static Inet6Address getInet6Address(int s1,
                                           int s2,
                                           int s3,
                                           int s4,
                                           int s5,
                                           int s6,
                                           int s7,
                                           int s8)
```
    Get an IPv6 address from eight integer segments. Each segment must be between 0 and 65535 (0xffff).
    
    参数:
    
    s1 - the first segment
    
    s2 - the second segment
    
    s3 - the third segment
    
    s4 - the fourth segment
    
    s5 - the fifth segment
    
    s6 - the sixth segment
    
    s7 - the seventh segment
    
    s8 - the eighth segment
    
    返回:
    
    the address (not null)
    
    从以下版本开始:
    
    4.1.0
  - isValidEmailDomainAddress
```
public static boolean isValidEmailDomainAddress(String domain)
```
    Checks the validity of the domain name used in an email. To be valid it should be either a valid host name, or an IP address wrapped in [].
    
    参数:
    
    domain - domain to check for validity
    
    返回:
    
    true if the provided string is a valid domain, false otherwise
  - isValidDomainAddress
```
public static boolean isValidDomainAddress(String domain)
```
    Checks validity of a domain name.
    
    参数:
    
    domain - the domain to check for validity
    
    返回:
    
    true if the provided string is a valid domain, false otherwise
  - isValidIpV6Address
```
public static boolean isValidIpV6Address(String ip)
```
  - isValidIpV6Address
```
public static boolean isValidIpV6Address(CharSequence ip)
```
  - isValidIpV4Address
```
public static boolean isValidIpV4Address(String ip)
```
    Takes a String and parses it to see if it is a valid IPV4 address.
    
    返回:
    
    true, if the string represents an IPV4 address in dotted notation, false otherwise
  - isValidPort
```
public static boolean isValidPort(int port)
```
  - indexOf
```
public static int indexOf(CharSequence cs,
                          char searchChar,
                          int start)
```
    Finds the first index in the CharSequence that matches the specified character.
    
    参数:
    
    cs - the CharSequence to be processed, not null
    
    searchChar - the char to be searched for
    
    start - the start index, negative starts at the string start
    
    返回:
    
    the index where the search char was found, -1 if char searchChar is not found or cs == null
  - getByName
```
public static Inet6Address getByName(CharSequence ip)
```
    Returns the Inet6Address representation of a CharSequence IP address.
    This method will treat all IPv4 type addresses as "IPv4 mapped" (see getByName(CharSequence, boolean))
    
    参数:
    
    ip - CharSequence IP address to be converted to a Inet6Address
    
    返回:
    
    Inet6Address representation of the ip or null if not a valid IP address.
  - getByName
```
public static Inet6Address getByName(CharSequence ip,
                                     boolean ipv4Mapped)
```
    Returns the Inet6Address representation of a CharSequence IP address.
    The ipv4Mapped parameter specifies how IPv4 addresses should be treated. "IPv4 mapped" format as defined in rfc 4291 section 2 is supported.
    参数:
    
    ip - CharSequence IP address to be converted to a Inet6Address
    ipv4Mapped -
    
    true To allow IPv4 mapped inputs to be translated into Inet6Address
    
    false Consider IPv4 mapped addresses as invalid.
    返回:
    
    Inet6Address representation of the ip or null if not a valid IP address.
  - toSocketAddressString
```
public static String toSocketAddressString(InetSocketAddress addr)
```
    Returns the String representation of an InetSocketAddress.
    The output does not include Scope ID.
    
    参数:
    
    addr - InetSocketAddress to be converted to an address string
    
    返回:
    
    String containing the text-formatted IP address
  - toSocketAddressString
```
public static String toSocketAddressString(String host,
                                           int port)
```
    Returns the String representation of a host port combo.
  - toAddressString
```
public static String toAddressString(InetAddress ip)
```
    Returns the String representation of an InetAddress.
    - Inet4Address results are identical to InetAddress.getHostAddress()
    - Inet6Address results adhere to rfc 5952 section 4
    The output does not include Scope ID.
    参数:
    
    ip - InetAddress to be converted to an address string
    
    返回:
    
    String containing the text-formatted IP address
  - toAddressString
```
public static String toAddressString(InetAddress ip,
                                     boolean ipv4Mapped)
```
    Returns the String representation of an InetAddress.
    - Inet4Address results are identical to InetAddress.getHostAddress()
    - Inet6Address results adhere to rfc 5952 section 4 if ipv4Mapped is false. If ipv4Mapped is true then "IPv4 mapped" format from rfc 4291 section 2 will be supported. The compressed result will always obey the compression rules defined in rfc 5952 section 4
    The output does not include Scope ID.
    参数:
    
    ip - InetAddress to be converted to an address string
    ipv4Mapped -
    
    true to stray from strict rfc 5952 and support the "IPv4 mapped" format defined in rfc 4291 section 2 while still following the updated guidelines in rfc 5952 section 4
    
    false to strictly follow rfc 5952
    返回:
    
    String containing the text-formatted IP address
  - getHostname
```
public static String getHostname(InetSocketAddress addr)
```
    Returns InetSocketAddress#getHostString() if Java >= 7, or InetSocketAddress.getHostName() otherwise.
    
    参数:
    
    addr - The address
    
    返回:
    
    the host string
  - addressesFromNetworkInterface
```
public static Enumeration<InetAddress> addressesFromNetworkInterface(NetworkInterface intf)
```
  - createByteArrayFromIpAddressString
```
public static byte[] createByteArrayFromIpAddressString(String ipAddressString)
```
    Creates an byte[] based on an ipAddressString. No error handling is performed here.
  - getNetworkInterfaceAddresses
```
public static Map<String,Set<InetAddress>> getNetworkInterfaceAddresses()
```
    Returns a Map of InetAddress per NetworkInterface.
  - getNetworkInterfaceAddresses
```
public static Map<String,Set<InetAddress>> getNetworkInterfaceAddresses(@Nullable
                                                                        Predicate<NetworkInterface> networkInterfacePredicate,
                                                                        @Nullable
                                                                        Predicate<InetAddress> inetAddressPredicate)
```
  - getNetworkInterfaces
```
public static List<NetworkInterface> getNetworkInterfaces()
```
  - getNetworkInterfaces
```
public static List<NetworkInterface> getNetworkInterfaces(Predicate<NetworkInterface> predicate)
```
  - getFirstValidNetworkInterface
```
public static NetworkInterface getFirstValidNetworkInterface()
```
    获取第一个有效的网卡接口
  - getFirstValidMac
```
public static String getFirstValidMac()
```
  - getMac
```
@Nullable
public static String getMac(@NonNull
                                       NetworkInterface networkInterface)
```
  - getMac
```
public static String getMac(@NonNull
                            byte[] bytes)
```
  - getAddresses
```
public static Set<InetAddress> getAddresses()
```
    Returns a Set of InetAddress that are non-loopback or mac.
  - getCurrentAddress
```
public static InetAddress getCurrentAddress()
```
    获取本机IP
  - getLocalHostName
```
public static String getLocalHostName()
                               throws UnknownHostException
```
    Returns the local hostname. It loops through the network interfaces and returns the first non loopback hostname
    
    抛出:
    
    UnknownHostException
  - getLocalIp
```
public static String getLocalIp()
                         throws UnknownHostException
```
    Returns the local IP. It loops through the network interfaces and returns the first non loopback address
    
    抛出:
    
    UnknownHostException
  - getScopeId
```
public static int getScopeId(InetAddress address)
```
    Get the scope ID of the given address (if it is an IPv6 address).
    
    返回:
    
    the scope ID, or 0 if there is none or the address is an IPv4 address
    
    从以下版本开始:
    
    4.1.0
  - getScopeId
```
public static int getScopeId(String scopeName)
```
    Attempt to get the scope ID of the given string. If the string is numeric then the number is parsed and returned as-is. If the scope is a string, then a search for the matching network interface will occur.
    
    参数:
    
    scopeName - the scope number or name as a string (must not be null)
    
    返回:
    
    the scope ID, or 0 if no matching scope could be found
    
    从以下版本开始:
    
    4.1.0
  - getScopeId
```
public static int getScopeId(String scopeName,
                             InetAddress compareWith)
```
    Attempt to get the scope ID of the given string. If the string is numeric then the number is parsed and returned as-is. If the scope is a string, then a search for the matching network interface will occur.
    
    参数:
    
    scopeName - the scope number or name as a string (must not be null)
    
    compareWith - the address to compare with, to ensure that the wrong local scope is not selected (may be null)
    
    返回:
    
    the scope ID, or 0 if no matching scope could be found
    
    从以下版本开始:
    
    4.1.0
  - findInterfaceWithScopeId
```
public static NetworkInterface findInterfaceWithScopeId(String scopeName)
```
    参数:
    
    scopeName -
    
    返回:
    
    从以下版本开始:
    
    4.1.0
  - getScopeId
```
public static int getScopeId(NetworkInterface networkInterface)
```
    参数:
    
    networkInterface -
    
    返回:
    
    从以下版本开始:
    
    4.1.0
  - getScopeId
```
public static int getScopeId(NetworkInterface networkInterface,
                             InetAddress compareWith)
```
    参数:
    
    networkInterface -
    
    compareWith -
    
    返回:
    
    从以下版本开始:
    
    4.1.0
  - toOptimalString
```
public static String toOptimalString(InetAddress inetAddress)
```
    Get the optimal string representation of an IP address. For IPv6 addresses, this representation will be more compact that the default.
    
    参数:
    
    inetAddress - the address (must not be null)
    
    返回:
    
    the string representation (not null)
    
    从以下版本开始:
    
    4.1.0
  - toOptimalString
```
public static String toOptimalString(byte[] addressBytes)
```
    Get the optimal string representation of the bytes of an IP address.
    
    参数:
    
    addressBytes - the address bytes (must not be null)
    
    返回:
    
    the string representation (not null)
    
    从以下版本开始:
    
    4.1.0

类 Nets

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

LOCALHOST4

INET4_ANY

LOCALHOST6

INET4_BROADCAST

INET6_ANY

LOCALHOST

LOOPBACK_IF

SOMAXCONN

构造器详细资料

Nets

方法详细资料

getInet4Address

getInet6Address

isValidEmailDomainAddress

isValidDomainAddress

isValidIpV6Address

isValidIpV6Address

isValidIpV4Address

isValidPort

indexOf

getByName

getByName

toSocketAddressString

toSocketAddressString

toAddressString

toAddressString

getHostname

addressesFromNetworkInterface

createByteArrayFromIpAddressString

getNetworkInterfaceAddresses

getNetworkInterfaceAddresses

getNetworkInterfaces

getNetworkInterfaces

getFirstValidNetworkInterface

getFirstValidMac

getMac

getMac

getAddresses

getCurrentAddress

getLocalHostName

getLocalIp

getScopeId

getScopeId

getScopeId

findInterfaceWithScopeId

getScopeId

getScopeId

toOptimalString

toOptimalString