Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2016 Jordon de Hoog * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package ca.hoogit.garagepi.Controls; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.support.v4.content.LocalBroadcastManager; import java.util.ArrayList; import ca.hoogit.garagepi.Utils.Consts; /** * Created by jordon on 29/02/16. * Singleton to listen for {@link DoorControlService#startActionQuery(Context)} query broadcast */ public class Doors extends BroadcastReceiver { private static Doors mInstance; public static Doors getInstance() { return mInstance; } private ArrayList<Door> mDoors; private Doors(Context context) { this.mDoors = new ArrayList<>(); LocalBroadcastManager.getInstance(context).registerReceiver(this, new IntentFilter(Consts.INTENT_MESSAGE_DOORS)); } public static void create(Context context) { mInstance = new Doors(context); } public ArrayList<Door> doors() { return this.mDoors; } public void set(ArrayList<Door> doors) { this.mDoors = doors; } public void update(Door door) { int index = this.mDoors.indexOf(door); if (index != -1) { this.mDoors.set(index, door); } } public boolean hasDoors() { return !this.mDoors.isEmpty(); } @Override public void onReceive(Context context, Intent intent) { String action = intent.getStringExtra(Consts.KEY_BROADCAST_ACTION); if (Consts.ACTION_DOORS_QUERY.equals(action)) { boolean wasSuccess = intent.getBooleanExtra(Consts.KEY_BROADCAST_SUCCESS, false); if (wasSuccess) { this.mDoors = intent.getParcelableArrayListExtra(Consts.KEY_DOORS); } } } }