287 lines
12 KiB
Java
287 lines
12 KiB
Java
package fr.gouv.etalab.mastodon.services;
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/* Copyright 2017 Thomas Schneider
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*
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* This file is a part of Mastalab
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Mastalab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Mastalab; if not,
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* see <http://www.gnu.org/licenses>. */
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import android.app.AlarmManager;
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import android.app.PendingIntent;
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import android.app.Service;
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import android.content.Context;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.os.Binder;
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import android.os.Bundle;
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import android.os.IBinder;
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import android.os.SystemClock;
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import android.support.annotation.Nullable;
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import android.support.v4.content.LocalBroadcastManager;
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import android.util.Log;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.io.BufferedInputStream;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.net.URL;
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import java.security.KeyManagementException;
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import java.security.NoSuchAlgorithmException;
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import java.util.ArrayList;
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import javax.net.ssl.HttpsURLConnection;
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import fr.gouv.etalab.mastodon.client.API;
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import fr.gouv.etalab.mastodon.client.Entities.Account;
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import fr.gouv.etalab.mastodon.client.Entities.Notification;
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import fr.gouv.etalab.mastodon.client.Entities.Status;
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import fr.gouv.etalab.mastodon.client.TLSSocketFactory;
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import fr.gouv.etalab.mastodon.helper.Helper;
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/**
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* Created by Thomas on 28/08/2017.
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* Manage service for streaming api and new notifications
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*/
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public class StreamingService extends Service {
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private boolean isConnectingHashMap = false;
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private HttpsURLConnection httpsURLConnection;
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private EventStreaming lastEvent;
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public enum EventStreaming{
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UPDATE,
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NOTIFICATION,
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DELETE,
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NONE
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}
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private final IBinder iBinder = new StreamingServiceBinder();
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@Override
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public int onStartCommand(Intent intent, int flags, int startId) {
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return START_STICKY;
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}
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public class StreamingServiceBinder extends Binder {
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public StreamingService getService() {
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return StreamingService.this;
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}
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}
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@Nullable
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@Override
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public IBinder onBind(Intent intent) {
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return iBinder;
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}
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public void disconnect(){
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Thread readThread = new Thread(new Runnable() {
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@Override
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public void run() {
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if( httpsURLConnection != null){
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httpsURLConnection.disconnect();
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}
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}});
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readThread.start();
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}
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/**
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* Task in background starts here.
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*/
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public void connect(final Account account) {
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//If an Internet connection and user agrees with notification refresh
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final SharedPreferences sharedpreferences = getSharedPreferences(Helper.APP_PREFS, Context.MODE_PRIVATE);
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//Check which notifications the user wants to see
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boolean notif_follow = sharedpreferences.getBoolean(Helper.SET_NOTIF_FOLLOW, true);
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boolean notif_add = sharedpreferences.getBoolean(Helper.SET_NOTIF_ADD, true);
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boolean notif_ask = sharedpreferences.getBoolean(Helper.SET_NOTIF_ASK, true);
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boolean notif_mention = sharedpreferences.getBoolean(Helper.SET_NOTIF_MENTION, true);
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boolean notif_share = sharedpreferences.getBoolean(Helper.SET_NOTIF_SHARE, true);
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//User disagree with all notifications
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if( !notif_follow && !notif_add && !notif_ask && !notif_mention && !notif_share)
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return; //Nothing is done
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//No account connected, the service is stopped
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if(!Helper.isLoggedIn(getApplicationContext()))
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return;
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//If WIFI only and on WIFI OR user defined any connections to use the service.
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if( isConnectingHashMap)
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return;
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if(!sharedpreferences.getBoolean(Helper.SET_WIFI_ONLY, false) || Helper.isOnWIFI(getApplicationContext())) {
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Thread readThread = new Thread(new Runnable() {
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@Override
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public void run() {
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try {
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boolean connectionAlive = false;
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isConnectingHashMap = true;
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if( httpsURLConnection != null) {
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try {
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connectionAlive = (httpsURLConnection.getResponseCode() == 200);
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} catch (Exception e) {
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connectionAlive = false;
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}
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}
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if( connectionAlive) {
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if( httpsURLConnection != null)
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httpsURLConnection.disconnect();
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}
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try {
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URL url = new URL("https://" + account.getInstance() + "/api/v1/streaming/user");
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httpsURLConnection = (HttpsURLConnection) url.openConnection();
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httpsURLConnection.setRequestProperty("Content-Type", "application/json");
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httpsURLConnection.setRequestProperty("Authorization", "Bearer " + account.getToken());
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httpsURLConnection.setRequestProperty("Connection", "Keep-Alive");
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httpsURLConnection.setRequestProperty("Keep-Alive", "header");
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httpsURLConnection.setRequestProperty("Connection", "close");
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httpsURLConnection.setSSLSocketFactory(new TLSSocketFactory());
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InputStream inputStream = new BufferedInputStream(httpsURLConnection.getInputStream());
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readStream(inputStream, account);
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} catch (IOException | NoSuchAlgorithmException | KeyManagementException e) {
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e.printStackTrace();
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forceRestart(account);
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}
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} catch (Exception ignored) {
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}
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}
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});
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readThread.start();
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}
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}
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@SuppressWarnings("ConstantConditions")
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private String readStream(InputStream inputStream, final Account account) {
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BufferedReader reader = null;
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try{
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reader = new BufferedReader(new InputStreamReader(inputStream));
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String event;
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EventStreaming eventStreaming;
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//noinspection InfiniteLoopStatement
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while(true){
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try {
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event = reader.readLine();
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}catch (Exception e){
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e.printStackTrace();
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forceRestart(account);
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break;
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}
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if (event !=null){
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if( (lastEvent == EventStreaming.NONE || lastEvent == null) && !event.startsWith("data: ")) {
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switch (event.trim()) {
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case "event: update":
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lastEvent = EventStreaming.UPDATE;
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break;
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case "event: notification":
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lastEvent = EventStreaming.NOTIFICATION;
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break;
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case "event: delete":
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lastEvent = EventStreaming.DELETE;
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break;
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default:
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lastEvent = EventStreaming.NONE;
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}
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}else{
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if( !event.startsWith("data: ")){
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lastEvent = EventStreaming.NONE;
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continue;
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}
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event = event.substring(6);
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if(lastEvent == EventStreaming.UPDATE) {
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eventStreaming = EventStreaming.UPDATE;
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}else if(lastEvent == EventStreaming.NOTIFICATION) {
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eventStreaming = EventStreaming.NOTIFICATION;
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}else if( lastEvent == EventStreaming.DELETE) {
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eventStreaming = EventStreaming.DELETE;
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event = "{id:" + event + "}";
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}else {
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eventStreaming = EventStreaming.UPDATE;
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}
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lastEvent = EventStreaming.NONE;
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try {
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JSONObject eventJson = new JSONObject(event);
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onRetrieveStreaming(eventStreaming, eventJson, account.getId());
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} catch (JSONException e) {
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e.printStackTrace();
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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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}finally {
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if(reader != null){
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try{
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reader.close();
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}catch (IOException e){
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e.printStackTrace();
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}
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}
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forceRestart(account);
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}
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return null;
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}
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private void forceRestart(Account account){
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isConnectingHashMap = false;
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SystemClock.sleep(1000);
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Intent intent = new Intent(getApplicationContext(), StreamingService.class);
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intent.putExtra("accountId", account.getId());
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intent.putExtra("accountAcct", account.getAcct());
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startService(intent);
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}
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@Override
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public void onTaskRemoved(Intent rootIntent) {
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Intent intent = new Intent(getApplicationContext(), StreamingService.class);
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PendingIntent pendingIntent = PendingIntent.getService(this, 1, intent, PendingIntent.FLAG_ONE_SHOT);
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AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
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alarmManager.set(AlarmManager.RTC_WAKEUP, SystemClock.elapsedRealtime() + 5000, pendingIntent);
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super.onTaskRemoved(rootIntent);
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}
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public void onRetrieveStreaming(EventStreaming event, JSONObject response, String userId) {
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if( response == null )
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return;
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//No previous notifications in cache, so no notification will be sent
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Status status ;
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Notification notification;
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String dataId = null;
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Bundle b = new Bundle();
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if( event == EventStreaming.NOTIFICATION){
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notification = API.parseNotificationResponse(getApplicationContext(), response);
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b.putParcelable("data", notification);
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}else if ( event == EventStreaming.UPDATE){
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status = API.parseStatuses(getApplicationContext(), response);
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status.setReplies(new ArrayList<Status>());
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status.setNew(true);
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b.putParcelable("data", status);
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}else if( event == EventStreaming.DELETE){
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try {
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dataId = response.getString("id");
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} catch (JSONException e) {
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e.printStackTrace();
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}
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}
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Intent intentBC = new Intent(Helper.RECEIVE_DATA);
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intentBC.putExtra("eventStreaming", event);
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intentBC.putExtras(b);
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LocalBroadcastManager.getInstance(getApplicationContext()).sendBroadcast(intentBC);
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}
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}
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