Spring Security技术栈开发企业级认证与授权

download：Spring Security技术栈开发企业级认证与授权

全网最细致地讲解Spring Security、Spring Social 、Spring Security OAuth三种技术开发安全的REST服务，彻底掌握一线互联网公司主流的身份认证和授权方式。

适合人群及技术储备要求
本课程适合有一定的开发经验，想要深入了解认证和授权相关知识的Java开发人员
如果你对设计模式，设计思想感兴趣，这门课对你来说会有很大帮助

学前必备技术
JavaWeb基础丨Spring基础丨Maven基础
package com.chengxinet.bobo.utils;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;
/**

• Created by Administrator on 2016/1/7.
  */
  public class NetworkUtils {
  public static boolean isNetworkAvailable(Context c) {
  Context context = c.getApplicationContext();
  // 获取手机一切衔接管理对象（包括对wi-fi,net等衔接的管理）
  ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
  if (connectivityManager == null) {
  return false;
  } else {
  // 获取NetworkInfo对象
  NetworkInfo[] networkInfo = connectivityManager.getAllNetworkInfo();
  if (networkInfo != null && networkInfo.length > 0) {
  for (NetworkInfo aNetworkInfo : networkInfo) {
  // System.out.println(i + "===状态===" + networkInfo[i].getState());
  // System.out.println(i + "===类型===" + networkInfo[i].getTypeName());
  // 判别当前网络状态能否为衔接状态
  if (aNetworkInfo.getState() == NetworkInfo.State.CONNECTED) {
  return true;
  }
  }
  }
  }
  return false;
  }
  /**
  • 判别WIFI能否翻开
  • @param context
  • @return
    */
    public static boolean isWifiEnabled(Context context) {
    ConnectivityManager mgrConn = (ConnectivityManager) context
    .getSystemService(Context.CONNECTIVITY_SERVICE);
    TelephonyManager mgrTel = (TelephonyManager) context
    .getSystemService(Context.TELEPHONY_SERVICE);
    return ((mgrConn.getActiveNetworkInfo() != null && mgrConn
    .getActiveNetworkInfo().getState() == NetworkInfo.State.CONNECTED) || mgrTel
    .getNetworkType() == TelephonyManager.NETWORK_TYPE_UMTS);
    }
    /**
  • 判别能否是3G网络
  • @param context
  • @return
    */
    public static boolean is3rd(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context
    .getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo networkINfo = cm.getActiveNetworkInfo();
    if (networkINfo != null
    && networkINfo.getType() == ConnectivityManager.TYPE_MOBILE) {
    return true;
    }
    return false;
    }
    /**
  • 判别是wifi还是3g网络
  • @param context
  • @return
    */
    public static boolean isWifi(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context
    .getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo networkINfo = cm.getActiveNetworkInfo();
    if (networkINfo != null
    && networkINfo.getType() == ConnectivityManager.TYPE_WIFI) {
    return true;
    }
    return false;
    }
    }