src/ro/ieval/fonbot/RemoteCrashdumpHandler.java

   1 package ro.ieval.fonbot;
   2
   3 import static ro.ieval.fonbot.Utils.toNonNull;
   4
   5 import java.io.ByteArrayOutputStream;
   6 import java.io.IOException;
   7 import java.io.PrintStream;
   8 import java.lang.Thread.UncaughtExceptionHandler;
   9 import java.util.Collections;
  10
  11 import org.eclipse.jdt.annotation.Nullable;
  12
  13 import android.content.Context;
  14
  15 /*
  16  * Copyright © 2013 Marius Gavrilescu
  17  *
  18  * This file is part of FonBot.
  19  *
  20  * FonBot is free software: you can redistribute it and/or modify
  21  * it under the terms of the GNU General Public License as published by
  22  * the Free Software Foundation, either version 3 of the License, or
  23  * (at your option) any later version.
  24  *
  25  * FonBot is distributed in the hope that it will be useful,
  26  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  27  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28  * GNU General Public License for more details.
  29  *
  30  * You should have received a copy of the GNU General Public License
  31  * along with FonBot.  If not, see <http://www.gnu.org/licenses/>.
  32  */
  33
  34 /**
  35  * UncaughtExceptionHandler that sends exceptions to the server.
  36  *
  37  * @author Marius Gavrilescu <marius@ieval.ro>
  38  */
  39 final class RemoteCrashdumpHandler implements UncaughtExceptionHandler {
  40         /** Context instance */
  41         private final Context context;
  42
  43         /**
  44          * Constructs a RemoteCrashdumpHandler with a given Context instance.
  45          *
  46          * @param context Context instance
  47          */
  48         public RemoteCrashdumpHandler(final Context context) {
  49                 this.context=context;
  50         }
  51
  52         @Override
  53         public void uncaughtException(final @Nullable Thread thread, final @Nullable Throwable ex) {
  54                 if(ex==null)
  55                         return;
  56
  57                 final ByteArrayOutputStream baos=new ByteArrayOutputStream(16384);
  58                 final PrintStream pw=new PrintStream(baos);
  59                 ex.printStackTrace(pw);
  60                 pw.close();
  61
  62                 new SendHttpMessageAsyncTask("/crashdump", toNonNull(Collections.<Header>emptyList()),
  63                                 toNonNull(context), toNonNull(baos.toByteArray())).execute();
  64
  65                 try {
  66                         baos.close();
  67                 } catch (IOException e) {//NOPMD close exceptions are unimportant
  68                         //ignored
  69                 }
  70         }
  71
  72 }