NetUtils (powerjob-common 4.3.6 API)

java.lang.Object
- tech.powerjob.common.utils.NetUtils

```
public class NetUtils
extends Object
```
IP and Port Helper for RPC

从以下版本开始:

2020/8/8

作者:

from dubbo, optimize by tjq

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 boolean`	`checkIpPortAvailable(String ip, int port)` 检测某个 IP 端口是否可用
`static NetworkInterface`	`findNetworkInterface()` Get the suitable `NetworkInterface`
`static <T> T`	`first(Collection<T> values)` Take the first element from the specified collection
`static InetAddress`	`getLocalAddress()` Find first valid IP from local network card
`static String`	`getLocalHost()` 获取本机 IP 地址
`static int`	`getRandomPort()`
`static boolean`	`isPreferredNetworkInterface(NetworkInterface networkInterface)` Is preferred `NetworkInterface` or not
`static org.apache.commons.lang3.tuple.Pair<String,Integer>`	`splitAddress2IpAndPort(String address)`

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

- 方法详细资料
  - getRandomPort
```
public static int getRandomPort()
```
  - checkIpPortAvailable
```
public static boolean checkIpPortAvailable(String ip,
                                           int port)
```
    检测某个 IP 端口是否可用
    
    参数:
    
    ip - IP
    
    port - 端口
    
    返回:
    
    是否可用
  - getLocalHost
```
public static String getLocalHost()
```
    获取本机 IP 地址
    
    返回:
    
    本机 IP 地址
  - getLocalAddress
```
public static InetAddress getLocalAddress()
```
    Find first valid IP from local network card
    
    返回:
    
    first valid local IP
  - findNetworkInterface
```
public static NetworkInterface findNetworkInterface()
```
    Get the suitable NetworkInterface
    
    返回:
    
    If no NetworkInterface is available , return null
    
    从以下版本开始:
    
    2.7.6
  - first
```
public static <T> T first(Collection<T> values)
```
    Take the first element from the specified collection
    
    类型参数:
    
    T - the type of element of collection
    
    参数:
    
    values - the collection object
    
    返回:
    
    if found, return the first one, or null
    
    从以下版本开始:
    
    2.7.6
  - isPreferredNetworkInterface
```
public static boolean isPreferredNetworkInterface(NetworkInterface networkInterface)
```
    Is preferred NetworkInterface or not
    
    参数:
    
    networkInterface - NetworkInterface
    
    返回:
    
    if the name of the specified NetworkInterface matches the property value from PowerJobDKey.PREFERRED_NETWORK_INTERFACE, return true, or false
  - splitAddress2IpAndPort
```
public static org.apache.commons.lang3.tuple.Pair<String,Integer> splitAddress2IpAndPort(String address)
```

类 NetUtils

方法概要

从类继承的方法 java.lang.Object

方法详细资料

getRandomPort

checkIpPortAvailable

getLocalHost

getLocalAddress

findNetworkInterface

first

isPreferredNetworkInterface

splitAddress2IpAndPort