src/main/java/net/pterodactylus/xdcc/ui/stdin/RestartCommand.java

   1 /*
   2  * XdccDownloader - RestartCommand.java - Copyright © 2013 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.xdcc.ui.stdin;
  19
  20 import static java.util.Arrays.asList;
  21
  22 import java.io.IOException;
  23 import java.io.Writer;
  24 import java.util.Collection;
  25 import java.util.List;
  26
  27 import net.pterodactylus.xdcc.core.Core;
  28 import net.pterodactylus.xdcc.data.Download;
  29
  30 import com.google.common.primitives.Ints;
  31
  32 /**
  33  * TODO
  34  *
  35  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  36  */
  37 public class RestartCommand implements Command {
  38
  39         private final Core core;
  40         private final DownloadFailures downloadFailures;
  41
  42         public RestartCommand(Core core, DownloadFailures downloadFailures) {
  43                 this.core = core;
  44                 this.downloadFailures = downloadFailures;
  45         }
  46
  47         @Override
  48         public String getName() {
  49                 return "restart";
  50         }
  51
  52         @Override
  53         public Collection<String> getAliases() {
  54                 return asList("sa");
  55         }
  56
  57         @Override
  58         public State execute(State state, List<String> parameters, Writer outputWriter) throws IOException {
  59                 Integer index = Ints.tryParse(parameters.get(0));
  60                 List<Download> lastFailedDownloads = state.getLastFailedDownloads();
  61                 if ((index != null) && (index < lastFailedDownloads.size())) {
  62                         Download failedDownload = lastFailedDownloads.get(index);
  63                         core.fetch(failedDownload.bot(), failedDownload.pack());
  64                         downloadFailures.removeFailedDownload(failedDownload);
  65                 }
  66                 return state;
  67         }
  68
  69 }