package com.hdl.sdk.hdl_core.Util.NetUtil;
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import android.content.Context;
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import android.net.ConnectivityManager;
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import android.net.DhcpInfo;
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import android.net.NetworkInfo;
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import android.net.wifi.WifiInfo;
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import android.net.wifi.WifiManager;
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import java.net.InetAddress;
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import java.net.InterfaceAddress;
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import java.net.NetworkInterface;
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import java.util.Enumeration;
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import java.util.List;
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import java.util.regex.Pattern;
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/**
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* Created by Tommy on 2017/9/4.
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*/
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public class NetWorkUtil {
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public static final int GET_LOCAL_IP = 1;
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public static final int GET_MAC_ADDRESS = 2;
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public static final int GET_NETMASK = 3;
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public static final int GET_GATEWAY = 4;
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public static boolean checkNetworkAvailable(Context context) {
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ConnectivityManager connectivity = (ConnectivityManager) context
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.getSystemService(Context.CONNECTIVITY_SERVICE);
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if (connectivity == null) {
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return false;
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} else {
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NetworkInfo[] info = connectivity.getAllNetworkInfo();
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if (info != null) {
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for (int i = 0; i < info.length; i++) {
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if (info[i].getState() == NetworkInfo.State.CONNECTED) {
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NetworkInfo netWorkInfo = info[i];
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if (netWorkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
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return true;
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} else if (netWorkInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
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return true;
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} else if (netWorkInfo.getType() == ConnectivityManager.TYPE_ETHERNET) {
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return true;
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}
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}
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}
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}
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}
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return false;
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}
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public static String getLocalIpString(Context context) {
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String ip = "";
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ConnectivityManager conMann = (ConnectivityManager)
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context.getSystemService(Context.CONNECTIVITY_SERVICE);
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// NetworkInfo mobileNetworkInfo = conMann.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
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NetworkInfo wifiNetworkInfo = conMann.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
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if (wifiNetworkInfo.isConnected()) {
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WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
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WifiInfo wifiInfo = wifiManager.getConnectionInfo();
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int ipAddress = wifiInfo.getIpAddress();
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ip = intToIp(ipAddress);
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}
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return ip;
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}
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public static byte[] getWifiInfoByte(Context context, int type) {
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byte[] address = null;
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ConnectivityManager conMann = (ConnectivityManager)
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context.getSystemService(Context.CONNECTIVITY_SERVICE);
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// NetworkInfo mobileNetworkInfo = conMann.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
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NetworkInfo wifiNetworkInfo = conMann.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
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if (wifiNetworkInfo.isConnected()) {
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WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
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WifiInfo wifiInfo = wifiManager.getConnectionInfo();
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DhcpInfo dhcpInfo = wifiManager.getDhcpInfo();
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switch (type) {
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case GET_LOCAL_IP:
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address = bytesToIp(dhcpInfo.ipAddress);
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// address = bytesToIp(wifiInfo.getIpAddress());
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break;
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case GET_MAC_ADDRESS:
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String[] macArr = wifiInfo.getMacAddress().split(":");
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address = new byte[]{(byte) Integer.parseInt(macArr[0], 16)
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, (byte) Integer.parseInt(macArr[1], 16)
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, (byte) Integer.parseInt(macArr[2], 16)
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, (byte) Integer.parseInt(macArr[3], 16)
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, (byte) Integer.parseInt(macArr[4], 16)
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, (byte) Integer.parseInt(macArr[5], 16)
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};
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break;
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case GET_NETMASK:
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address = bytesToIp(dhcpInfo.netmask);
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break;
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case GET_GATEWAY:
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address = bytesToIp(dhcpInfo.gateway);
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break;
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}
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}
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return address;
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}
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public static String intToIp(int ipInt) {
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StringBuilder sb = new StringBuilder();
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sb.append(ipInt & 0xFF).append(".");
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sb.append((ipInt >> 8) & 0xFF).append(".");
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sb.append((ipInt >> 16) & 0xFF).append(".");
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sb.append((ipInt >> 24) & 0xFF);
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return sb.toString();
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}
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private static byte[] bytesToIp(int ipInt) {
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return new byte[]{(byte) ipInt, (byte) (ipInt >> 8), (byte) (ipInt >> 16), (byte) (ipInt >> 24)};
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}
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public static String getLocalBroadCast() {
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String broadCastIp = null;
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try {
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Enumeration<?> netInterfaces = (Enumeration<?>) NetworkInterface.getNetworkInterfaces();
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while (netInterfaces.hasMoreElements()) {
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NetworkInterface netInterface = (NetworkInterface) netInterfaces.nextElement();
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if (!netInterface.isLoopback() && netInterface.isUp()) {
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List<InterfaceAddress> interfaceAddresses = netInterface.getInterfaceAddresses();
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for (InterfaceAddress interfaceAddress : interfaceAddresses) {
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//只有 IPv4 网络具有广播地址，因此对于 IPv6 网络将返回 null。
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if (interfaceAddress.getBroadcast() != null) {
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broadCastIp = interfaceAddress.getBroadcast().getHostAddress();
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}
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}
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return broadCastIp;
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}
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public static InetAddress getLocalHostLANAddress() throws Exception {
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try {
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InetAddress candidateAddress = null;
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// 遍历所有的网络接口
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for (Enumeration ifaces = NetworkInterface.getNetworkInterfaces(); ifaces.hasMoreElements(); ) {
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NetworkInterface iface = (NetworkInterface) ifaces.nextElement();
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// 在所有的接口下再遍历IP
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for (Enumeration inetAddrs = iface.getInetAddresses(); inetAddrs.hasMoreElements(); ) {
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InetAddress inetAddr = (InetAddress) inetAddrs.nextElement();
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if (!inetAddr.isLoopbackAddress()) {// 排除loopback类型地址
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if (inetAddr.isSiteLocalAddress()) {
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// 如果是site-local地址，就是它了
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return inetAddr;
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} else if (candidateAddress == null) {
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// site-local类型的地址未被发现，先记录候选地址
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candidateAddress = inetAddr;
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}
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}
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}
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}
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if (candidateAddress != null) {
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return candidateAddress;
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}
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// 如果没有发现 non-loopback地址.只能用最次选的方案
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InetAddress jdkSuppliedAddress = InetAddress.getLocalHost();
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return jdkSuppliedAddress;
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} catch (Exception e) {
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e.printStackTrace();
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}
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return null;
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}
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public static boolean isIP(String str) {
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// 匹配 1
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// String regex = "\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}";
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// 匹配 2
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String regex = "[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}";
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// 匹配1 和匹配2均可实现Ip判断的效果
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Pattern pattern = Pattern.compile(regex);
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return pattern.matcher(str).matches();
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}
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}
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