android/android_api/base/src/main/java/org/iotivity/ca/CaIpInterface.java

   1 /******************************************************************
   2  *
   3  * Copyright 2014 Samsung Electronics All Rights Reserved.
   4  *
   5  *
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  ******************************************************************/
  20
  21 package org.iotivity.ca;
  22
  23 import android.content.BroadcastReceiver;
  24 import android.content.Context;
  25 import android.content.Intent;
  26 import android.content.IntentFilter;
  27 import android.net.ConnectivityManager;
  28 import android.net.NetworkInfo;
  29 import android.net.wifi.WifiManager;
  30 import android.util.Log;
  31
  32 public class CaIpInterface {
  33     private static Context mContext;
  34     private static volatile boolean isIpInitialized = false;
  35     private static String TAG          = "OIC_IP_CB_INTERFACE";
  36
  37     private CaIpInterface(Context context) {
  38         synchronized(CaIpInterface.class) {
  39             mContext = context;
  40         }
  41         if (!isIpInitialized) {
  42             registerIpStateReceiver();
  43             isIpInitialized = true;
  44         }
  45     }
  46
  47     private void registerIpStateReceiver() {
  48         IntentFilter intentFilter = new IntentFilter();
  49         intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
  50         intentFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
  51
  52         mContext.registerReceiver(mReceiver, intentFilter);
  53     }
  54
  55     public static void destroyIpInterface() {
  56         if (isIpInitialized) {
  57             mContext.unregisterReceiver(mReceiver);
  58             isIpInitialized = false;
  59         }
  60     }
  61
  62     private static BroadcastReceiver mReceiver = new BroadcastReceiver() {
  63         @Override
  64         public void onReceive(Context context, Intent intent) {
  65             String action = intent.getAction();
  66             if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) {
  67                 NetworkInfo activeNetwork = ((ConnectivityManager) mContext
  68                         .getSystemService(Context.CONNECTIVITY_SERVICE)).getActiveNetworkInfo();
  69                 if (activeNetwork != null) {
  70                     Log.d(TAG, "CONNECTIVITY_ACTION - activeNetwork: "
  71                         + activeNetwork.getTypeName()
  72                         + " isConnected: " + activeNetwork.isConnected());
  73                     caIpStateEnabled();
  74                 } else {
  75                     Log.d(TAG, "CONNECTIVITY_ACTION - activeNetwork: NONE");
  76                     caIpStateDisabled();
  77                 }
  78             } else if (action.equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)) {
  79                 NetworkInfo netInfo = (NetworkInfo) intent
  80                         .getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
  81                 if (ConnectivityManager.TYPE_WIFI == netInfo.getType()) {
  82                     NetworkInfo.State netState = netInfo.getState();
  83                     if (NetworkInfo.State.CONNECTED == netState) {
  84                         Log.d(TAG, "NETWORK_STATE_CHANGED_ACTION - CONNECTED: TYPE_WIFI");
  85                         caIpStateEnabled();
  86                     } else if (NetworkInfo.State.DISCONNECTED == netState) {
  87                         Log.d(TAG, "NETWORK_STATE_CHANGED_ACTION - DISCONNECTED: TYPE_WIFI");
  88                     }
  89                 }
  90             }
  91         }
  92     };
  93
  94     private native static void caIpStateEnabled();
  95
  96     private native static void caIpStateDisabled();
  97 }