src/de/ub0r/android/websms/connector/ConnectorService.java

   1 /*
   2  * Copyright (C) 2010 Felix Bechstein
   3  *
   4  * This file is part of WebSMS.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it under
   7  * the terms of the GNU General Public License as published by the Free Software
   8  * Foundation; either version 3 of the License, or (at your option) any later
   9  * version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  13  * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
  14  * details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program; If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 package de.ub0r.android.websms.connector;
  20
  21 import android.app.Service;
  22 import android.content.Context;
  23 import android.content.Intent;
  24 import android.os.IBinder;
  25 import android.util.Log;
  26 import de.ub0r.android.andGMXsms.HelperAPI5Service;
  27
  28 /**
  29  * {@link Service} run by the connectors BroadcastReceiver.
  30  *
  31  * @author flx
  32  */
  33 public abstract class ConnectorService extends Service {
  34         /** Tag for output. */
  35         private static final String TAG = "WebSMS.IO";
  36
  37         /** Wrapper for API5 commands. */
  38         private HelperAPI5Service helperAPI5s = null;
  39
  40         /** Number of running Tasks. */
  41         private int running = 0;
  42
  43         /**
  44          * {@inheritDoc}
  45          */
  46         @Override
  47         public final IBinder onBind(final Intent intent) {
  48                 return null;
  49         }
  50
  51         /**
  52          * {@inheritDoc}
  53          */
  54         @Override
  55         public final void onCreate() {
  56                 super.onCreate();
  57                 try {
  58                         this.helperAPI5s = new HelperAPI5Service();
  59                         if (!this.helperAPI5s.isAvailable()) {
  60                                 this.helperAPI5s = null;
  61                         }
  62                 } catch (VerifyError e) {
  63                         this.helperAPI5s = null;
  64                         Log.d(TAG, "no api5 running", e);
  65                 }
  66         }
  67
  68         /**
  69          * Register a IO task.
  70          */
  71         public final synchronized void register() {
  72                 Log.d(TAG, "register()");
  73                 Log.d(TAG, "currentIOOps=" + this.running);
  74                 ++this.running;
  75                 Log.d(TAG, "currentIOOps=" + this.running);
  76         }
  77
  78         /**
  79          * Unregister a IO task.
  80          */
  81         public final synchronized void unregister() {
  82                 Log.d(TAG, "unregister()");
  83                 Log.d(TAG, "currentIOOps=" + this.running);
  84                 --this.running;
  85                 if (this.running <= 0) {
  86                         this.stopSelf();
  87                 }
  88                 Log.d(TAG, "currentIOOps=" + this.running);
  89         }
  90
  91         /**
  92          * {@inheritDoc}
  93          */
  94         @Override
  95         public final void onStart(final Intent intent, final int startId) {
  96                 if (intent != null) {
  97                         final String a = intent.getAction();
  98                         if (a != null && // .
  99                                         (a.equals(Constants.ACTION_CONNECTOR_RUN_BOOSTRAP)
 100                                                         || a.equals(// .
 101                                                                         Constants.ACTION_CONNECTOR_RUN_UPDATE) // .
 102                                         || a.equals(Constants.ACTION_CONNECTOR_RUN_SEND))) {
 103                                 // TODO: setForeground / startForeground
 104                                 this.startConnectorTask(this, intent);
 105                         }
 106                 }
 107         }
 108
 109         /**
 110          * {@inheritDoc}
 111          */
 112         @Override
 113         public final int onStartCommand(final Intent intent, final int flags,
 114                         final int startId) {
 115                 this.onStart(intent, startId);
 116                 return START_NOT_STICKY;
 117         }
 118
 119         /**
 120          * Start a connectorTask.
 121          *
 122          * @param context
 123          *            context
 124          * @param intent
 125          *            intent
 126          */
 127         protected abstract void startConnectorTask(final Context context,
 128                         final Intent intent);
 129 }