de.da_sense.moses.client.com.C2DMReceiver.java Source code

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Here is the source code for de.da_sense.moses.client.com.C2DMReceiver.java

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/*******************************************************************************
 * Copyright 2013
 * Telecooperation (TK) Lab
 * Technische Universitt Darmstadt
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package de.da_sense.moses.client.com;

import org.json.JSONException;
import org.json.JSONObject;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import de.da_sense.moses.client.abstraction.apks.InstalledExternalApplicationsManager;
import de.da_sense.moses.client.userstudy.UserstudyNotificationManager;
import de.da_sense.moses.client.util.Log;

/**
 * Main GCM receiver and message handler
 * @author Wladimir Schmidt
 *
 */
public class C2DMReceiver extends BroadcastReceiver {

    private static final String GCM_PUSH_MESSAGTYPE_USERSTUDY = "USERSTUDY";
    private static final String GCM_PUSH_MESSAGTYPE_UPDATE = "UPDATE";
    private static final String GCM_PUSH_MESSAGTYPE_QUEST = "QUEST";
    public static final String EXTRAFIELD_USERSTUDY_NOTIFICATION = "UserStudyNotification";
    private static final String GCM_MESSAGETYPE_FIELD = "MESSAGE";
    private static final String GCM_USERSTUDY_APKID_FIELD = "APKID";
    private static final String GCM_UPDATE_APKID_FIELD = "APKID";
    private static final String GCM_QUEST_APKID_FIELD = "APKID";
    public static final String EXTRAFIELD_C2DM_ID = "c2dmId";

    private static final String LOG_TAG = C2DMReceiver.class.getName();

    @Override
    public void onReceive(Context context, Intent intent) {
        if (intent.getAction().equals("com.google.android.c2dm.intent.RECEIVE")) {
            handleNotifications(context, intent);
        }
    }

    private static void handleNotifications(Context context, Intent intent) {
        try {
            JSONObject message = new JSONObject(intent.getExtras().getString("message"));
            Log.v(LOG_TAG, "handleNotifications() message=" + message);
            String messagetype = message.getString(GCM_MESSAGETYPE_FIELD);
            if (messagetype.equals(GCM_PUSH_MESSAGTYPE_USERSTUDY)) {
                String apkidString = message.getString(GCM_USERSTUDY_APKID_FIELD);
                Log.i(LOG_TAG, "User study notification received!! APK ID = " + apkidString);
                UserstudyNotificationManager.userStudyNotificationArrived(context, apkidString);
            } else if (messagetype.equals(GCM_PUSH_MESSAGTYPE_UPDATE)) {
                String apkidString = message.getString(GCM_UPDATE_APKID_FIELD);
                Log.i(LOG_TAG, "update notification received!! APK ID = " + apkidString);
                Log.i(LOG_TAG, "update incoming: " + apkidString);
                InstalledExternalApplicationsManager.updateArrived(apkidString);
            } else if (messagetype.equals(GCM_PUSH_MESSAGTYPE_QUEST)) {
                String apkidString = message.getString(GCM_QUEST_APKID_FIELD);
                Log.i(LOG_TAG, "update incoming: " + apkidString);
                if (InstalledExternalApplicationsManager.getInstance().getAppForId(apkidString) != null) {
                    // show a notification to user only if the app is still installed
                    // the data on the server may be inconsistent
                    InstalledExternalApplicationsManager.getInstance().getAppForId(apkidString)
                            .setEndDateReached(true);
                    UserstudyNotificationManager.questionnaireNotificationArrived(context, apkidString);
                }

            } else {
                Log.w("MoSeS.C2DM", "Unhandled C2DM Message from type: " + messagetype);
            }
        } catch (JSONException e) {
            Log.e(LOG_TAG, e.getMessage());
        }

    }
}