PollResultCallback.java

   1 package ro.ieval.fonbot;
   2
   3 import static ro.ieval.fonbot.Utils.toNonNull;
   4
   5 import java.io.InputStream;
   6
   7 import org.json.JSONArray;
   8 import org.json.JSONObject;
   9
  10 import android.content.Context;
  11 import android.os.Handler;
  12 import android.os.Looper;
  13 import android.util.Log;
  14
  15 import ro.ieval.fonbot.Address.Protocol;
  16 import ro.ieval.fonbot.HttpCallExecutableRunnable.ResultCallback;
  17
  18 /*
  19 * Copyright © 2013 Marius Gavrilescu
  20 *
  21 * This file is part of FonBot.
  22 *
  23 * FonBot is free software: you can redistribute it and/or modify
  24 * it under the terms of the GNU General Public License as published by
  25 * the Free Software Foundation, either version 3 of the License, or
  26 * (at your option) any later version.
  27 *
  28 * FonBot is distributed in the hope that it will be useful,
  29 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  30 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  31 * GNU General Public License for more details.
  32 *
  33 * You should have received a copy of the GNU General Public License
  34 * along with FonBot.  If not, see <http://www.gnu.org/licenses/>.
  35 */
  36
  37 /**
  38  * ResultCallback implementation that polls the server for pending commands.
  39  *
  40  * @author Marius Gavrilescu <marius@ieval.ro>
  41  */
  42 final class PollResultCallback implements ResultCallback {
  43         /** Context instance */
  44         private final Context context;
  45
  46         /**
  47          * Construct a <code>PollResultCallback</code> with a Context.
  48          *
  49          * @param context Context instance
  50          */
  51         public PollResultCallback(final Context context) {
  52                 this.context=context;
  53         }
  54
  55         @Override
  56         public void onResult(final int responseCode, final String responseMessage, final InputStream inputStream) {
  57                 if(responseCode!=200)
  58                         return;
  59
  60                 final Handler handler=new Handler(Looper.getMainLooper());
  61
  62                 try{
  63                         final JSONArray array;
  64                         {
  65                                 final byte[] buf=new byte[2048*1024];
  66                                 final int length=inputStream.read(buf);
  67                                 array=new JSONArray(new String(buf, 0, length));
  68                         }
  69
  70                         for(int i=0;i<array.length();i++){
  71                                 final JSONObject object=array.getJSONObject(i);
  72
  73                                 final JSONArray jsonargs=object.getJSONArray("args");
  74                                 final String command=object.getString("command");
  75                                 final Address replyTo=new Address(toNonNull(Protocol.HTTP), object.getString("replyto"));//NOPMD address depends on command
  76                                 final String[] args=new String[jsonargs.length()];
  77                                 for(int j=0;j<args.length;j++)
  78                                         args[j]=jsonargs.getString(j);
  79
  80                                 Log.d(getClass().getName(), "Poll got command "+command+" with "+((args.length==0)?"no args":"args "+Utils.join(
  81                                                 " ",toNonNull(args))));
  82
  83                                 handler.post(new Runnable() {
  84                                         @Override
  85                                         public void run() {
  86                                                 Utils.processCommand(
  87                                                                 toNonNull(context),
  88                                                                 toNonNull(command),
  89                                                                 args, replyTo);
  90                                         }
  91                                 });
  92                         }
  93                 }catch(Exception ex){
  94                         ex.printStackTrace();
  95                 }
  96         }
  97
  98         @Override
  99         public void onError(final String error) {
 100                 Log.e("PollResultCallback", "onError: "+error);
 101         }
 102
 103 }