net.gdface.utils

Class NetworkUtil

java.lang.Object

net.gdface.utils.NetworkUtil

public class NetworkUtil
extends java.lang.Object

网络管理工具类

Since:

1.0.7

Author:

guyadong

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NetworkUtil.ConnectStatus 连接测试返回状态
static class	NetworkUtil.Filter
static class	NetworkUtil.Radix

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DEFAULT_HOST

Constructor Summary

Constructors

Constructor and Description
NetworkUtil()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	convertHost(java.lang.String host) 如果host为localhost转换为"localhost"
static java.lang.String	format(byte[] source, java.lang.String separator, NetworkUtil.Radix radix) 将byte[] 转换为radix指定格式的字符串
static java.lang.String	formatIp(byte[] source) 以IP地址格式(点分位)格式化source指定的字节数组
static java.lang.String	formatMac(byte[] source, java.lang.String separator) MAC地址格式(16进制)格式化source指定的字节数组
static byte[]	getCurrentMac(java.lang.String host, int port) 获取访问指定host的当前网卡物理地址
static byte[]	getMacAddress(java.net.InetAddress address) 返回指定address绑定的网卡的物理地址(MAC)
static java.lang.String	getMacAddress(java.net.InetAddress address, java.lang.String separator) 参见 getMacAddress(InetAddress)
static java.lang.String	getMacAddress(java.net.NetworkInterface nic, java.lang.String separator)
static java.util.Set<java.net.NetworkInterface>	getNICs(com.google.common.base.Predicate<java.net.NetworkInterface>... filters) 根据过滤器filters指定的条件(AND)返回网卡设备对象
static java.util.Set<java.net.NetworkInterface>	getPhysicalNICs() 返回所有物理网卡
static boolean	isLocalhost(java.net.InetAddress address) 判断address是否为本机地址
static boolean	isLocalhost(java.lang.String host) 判断address是否为本机地址
static boolean	isLoopbackAddress(java.lang.String host) 判断host是否为localhost
static boolean	selfBind(java.net.InetAddress address) 遍历所有物理网上绑定的地址,判断address是否为本机网卡绑定的地址
static boolean	selfBind(java.lang.String host) see also selfBind(InetAddress)
static java.lang.String	sendHttpRequest(java.net.URL url, java.lang.String requestType) 向指定的url发送http请求
static NetworkUtil.ConnectStatus	testHttpConnect(java.lang.String host, int port, com.google.common.base.Predicate<java.lang.String> responseValidator) 测试http连接是否可连接
static NetworkUtil.ConnectStatus	testHttpConnect(java.lang.String url, com.google.common.base.Predicate<java.lang.String> responseValidator) 测试http连接是否可连接
static NetworkUtil.ConnectStatus	testHttpConnect(java.net.URL url, com.google.common.base.Predicate<java.lang.String> responseValidator) 测试http连接是否可连接 连接失败返回NetworkUtil.ConnectStatus.FAIL, 建立连接后用 responseValidator验证响应数据，responseValidator返回true则连接有效返回NetworkUtil.ConnectStatus.CONNECTABLE, responseValidator返回false则连接无效返回NetworkUtil.ConnectStatus.INVALID_RESPONE ,
static boolean	testHttpConnectChecked(java.lang.String host, int port, com.google.common.base.Predicate<java.lang.String> responseValidator) 测试http连接是否可连接
static boolean	testHttpConnectChecked(java.lang.String url, com.google.common.base.Predicate<java.lang.String> responseValidator) 测试http连接是否可连接
static boolean	testHttpConnectChecked(java.net.URL url, com.google.common.base.Predicate<java.lang.String> responseValidator) 测试http连接是否可连接

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_HOST

public static final java.lang.String DEFAULT_HOST

See Also:

Constant Field Values

Constructor Detail

NetworkUtil

public NetworkUtil()

Method Detail

getNICs

@SafeVarargs
public static java.util.Set<java.net.NetworkInterface> getNICs(com.google.common.base.Predicate<java.net.NetworkInterface>... filters)

根据过滤器filters指定的条件(AND)返回网卡设备对象

Parameters:

filters -

Returns:

getPhysicalNICs

public static java.util.Set<java.net.NetworkInterface> getPhysicalNICs()

返回所有物理网卡

Returns:

format

public static final java.lang.String format(byte[] source,
                                            java.lang.String separator,
                                            NetworkUtil.Radix radix)

将byte[] 转换为radix指定格式的字符串

Parameters:

source -

separator - 分隔符

radix - 进制基数

Returns:

source为null时返回空字符串

formatMac

public static final java.lang.String formatMac(byte[] source,
                                               java.lang.String separator)

MAC地址格式(16进制)格式化source指定的字节数组

See Also:

format(byte[], String, Radix)

formatIp

public static final java.lang.String formatIp(byte[] source)

以IP地址格式(点分位)格式化source指定的字节数组

See Also:

format(byte[], String, Radix)

getMacAddress

public static byte[] getMacAddress(java.net.InetAddress address)

返回指定address绑定的网卡的物理地址(MAC)

Parameters:

address -

Returns:

指定的address没有绑定在任何网卡上返回null

See Also:

NetworkInterface.getByInetAddress(InetAddress), NetworkInterface.getHardwareAddress()

getMacAddress

public static java.lang.String getMacAddress(java.net.NetworkInterface nic,
                                             java.lang.String separator)

Parameters:

nic - 网卡对象

separator - 格式化分隔符

Returns:

表示MAC地址的字符串

getMacAddress

public static java.lang.String getMacAddress(java.net.InetAddress address,
                                             java.lang.String separator)

参见 getMacAddress(InetAddress)

Parameters:

address -

separator - 格式化分隔符

Returns:

表示MAC地址的字符串

isLoopbackAddress

public static final boolean isLoopbackAddress(java.lang.String host)

判断host是否为localhost

isLocalhost

public static final boolean isLocalhost(java.net.InetAddress address)

判断address是否为本机地址

isLocalhost

public static final boolean isLocalhost(java.lang.String host)

判断address是否为本机地址

convertHost

public static final java.lang.String convertHost(java.lang.String host)

如果host为localhost转换为"localhost"

selfBind

public static boolean selfBind(java.net.InetAddress address)

遍历所有物理网上绑定的地址,判断address是否为本机网卡绑定的地址

selfBind

public static boolean selfBind(java.lang.String host)

see also selfBind(InetAddress)

getCurrentMac

public static byte[] getCurrentMac(java.lang.String host,
                                   int port)
                            throws java.io.IOException

获取访问指定host的当前网卡物理地址

Parameters:

host -

port -

Returns:

Throws:

java.io.IOException

sendHttpRequest

public static java.lang.String sendHttpRequest(java.net.URL url,
                                               java.lang.String requestType)

向指定的url发送http请求

Parameters:

url -

requestType - 请求类型，see HttpURLConnection.setRequestMethod(String)

Returns:

返回响应数据，请求失败返回null

testHttpConnect

public static NetworkUtil.ConnectStatus testHttpConnect(java.net.URL url,
                                                        com.google.common.base.Predicate<java.lang.String> responseValidator)

测试http连接是否可连接
连接失败返回NetworkUtil.ConnectStatus.FAIL, 建立连接后用 responseValidator验证响应数据，responseValidator返回true则连接有效返回NetworkUtil.ConnectStatus.CONNECTABLE, responseValidator返回false则连接无效返回NetworkUtil.ConnectStatus.INVALID_RESPONE ,

Parameters:

url - 测试的url

responseValidator - 用于验证响应数据是否有效的验证器, 为null时,只要连接成功就返回NetworkUtil.ConnectStatus.CONNECTABLE

Returns:

连接状态NetworkUtil.ConnectStatus

testHttpConnect

public static NetworkUtil.ConnectStatus testHttpConnect(java.lang.String url,
                                                        com.google.common.base.Predicate<java.lang.String> responseValidator)

测试http连接是否可连接

Parameters:

url - 测试的url

responseValidator -

Returns:

连接状态NetworkUtil.ConnectStatus

See Also:

testHttpConnect(URL, Predicate)

testHttpConnect

public static NetworkUtil.ConnectStatus testHttpConnect(java.lang.String host,
                                                        int port,
                                                        com.google.common.base.Predicate<java.lang.String> responseValidator)

测试http连接是否可连接

Parameters:

url - 测试的url

responseValidator -

Returns:

连接状态NetworkUtil.ConnectStatus

See Also:

testHttpConnect(URL, Predicate)

testHttpConnectChecked

public static boolean testHttpConnectChecked(java.net.URL url,
                                             com.google.common.base.Predicate<java.lang.String> responseValidator)

测试http连接是否可连接

Parameters:

url -

responseValidator -

Returns:

连接成功NetworkUtil.ConnectStatus.CONNECTABLE返回true, 连接失败NetworkUtil.ConnectStatus.FAIL返回false 响应无效NetworkUtil.ConnectStatus.INVALID_RESPONE抛出异常

Throws:

java.lang.IllegalStateException - 连接响应无效

See Also:

testHttpConnect(URL, Predicate)

testHttpConnectChecked

public static boolean testHttpConnectChecked(java.lang.String url,
                                             com.google.common.base.Predicate<java.lang.String> responseValidator)

测试http连接是否可连接

Parameters:

url -

responseValidator -

Returns:

Throws:

java.lang.IllegalStateException - 连接响应无效,连接状态为 NetworkUtil.ConnectStatus.INVALID_RESPONE时

See Also:

testHttpConnectChecked(URL, Predicate)

testHttpConnectChecked

public static boolean testHttpConnectChecked(java.lang.String host,
                                             int port,
                                             com.google.common.base.Predicate<java.lang.String> responseValidator)

测试http连接是否可连接

Parameters:

host -

port -

responseValidator -

Returns:

Throws:

java.lang.IllegalStateException - 连接响应无效,连接状态为 NetworkUtil.ConnectStatus.INVALID_RESPONE时

See Also:

testHttpConnectChecked(URL, Predicate)