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

   1 /*
   2  * XdccDownloader - CommandReader.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 java.io.BufferedReader;
  21 import java.io.Reader;
  22 import java.io.Writer;
  23 import java.util.Collection;
  24 import java.util.Collections;
  25 import java.util.List;
  26 import java.util.Set;
  27
  28 import net.pterodactylus.irc.DccReceiver;
  29 import net.pterodactylus.xdcc.core.Core;
  30 import net.pterodactylus.xdcc.data.Bot;
  31 import net.pterodactylus.xdcc.data.Pack;
  32
  33 import com.google.common.collect.Lists;
  34 import com.google.common.collect.Sets;
  35 import com.google.common.primitives.Ints;
  36 import com.google.common.util.concurrent.AbstractExecutionThreadService;
  37
  38 /**
  39  * Command interface for arbitrary {@link Reader}s.
  40  *
  41  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  42  */
  43 public class CommandReader extends AbstractExecutionThreadService {
  44
  45         /** The core being controlled. */
  46         private final Core core;
  47
  48         /** The reader to read commands from. */
  49         private final BufferedReader reader;
  50
  51         /** The writer to write the results to. */
  52         private final Writer writer;
  53
  54         /**
  55          * Creates a new command reader.
  56          *
  57          * @param core
  58          *              The core being controlled
  59          * @param reader
  60          *              The reader to read commands from
  61          * @param writer
  62          *              The write to write results to
  63          */
  64         public CommandReader(Core core, Reader reader, Writer writer) {
  65                 this.core = core;
  66                 this.reader = new BufferedReader(reader);
  67                 this.writer = writer;
  68         }
  69
  70         //
  71         // ABSTRACTEXECUTIONTHREADSERVICE METHODS
  72         //
  73
  74         @Override
  75         protected void run() throws Exception {
  76                 String lastLine = "";
  77                 String line;
  78                 final List<Result> lastResult = Lists.newArrayList();
  79                 while ((line = reader.readLine()) != null) {
  80                         if (line.equals("")) {
  81                                 line = lastLine;
  82                         }
  83                         String[] words = line.split(" +");
  84                         if (words[0].equalsIgnoreCase("search")) {
  85                                 lastResult.clear();
  86                                 for (Bot bot : core.bots()) {
  87                                         for (Pack pack : bot) {
  88                                                 boolean found = true;
  89                                                 for (int wordIndex = 1; wordIndex < words.length; ++wordIndex) {
  90                                                         if (words[wordIndex].startsWith("-") && pack.name().toLowerCase().contains(words[wordIndex].toLowerCase().substring(1))) {
  91                                                                 found = false;
  92                                                                 break;
  93                                                         }
  94                                                         if (!words[wordIndex].startsWith("-") && !pack.name().toLowerCase().contains(words[wordIndex].toLowerCase())) {
  95                                                                 found = false;
  96                                                                 break;
  97                                                         }
  98                                                 }
  99                                                 if (found) {
 100                                                         lastResult.add(new Result(bot, pack));
 101                                                 }
 102                                         }
 103                                 }
 104                                 Collections.sort(lastResult);
 105                                 int counter = 0;
 106                                 for (Result result : lastResult) {
 107                                         writer.write(String.format("[%d] %s (%s) from %s (#%s) on %s\n", counter++, result.pack().name(), result.pack().size(), result.bot().name(), result.pack().id(), result.bot().network().name()));
 108                                 }
 109                                 writer.write("End of Search.\n");
 110                         } else if (words[0].equalsIgnoreCase("dcc")) {
 111                                 int counter = 0;
 112                                 for (DccReceiver dccReceiver : core.dccReceivers()) {
 113                                         writer.write(String.format("[%d] %s (%s, %d%%%s)\n", counter++, dccReceiver.filename(), dccReceiver.size(), dccReceiver.progress() * 100 / dccReceiver.size(), dccReceiver.isRunning() ? "" : ", finished"));
 114                                 }
 115                                 writer.write("End of DCCs.\n");
 116                         } else if (words[0].equalsIgnoreCase("get")) {
 117                                 Integer index = Ints.tryParse(words[1]);
 118                                 if ((index != null) && (index < lastResult.size())) {
 119                                         core.fetch(lastResult.get(index).bot(), lastResult.get(index).pack());
 120                                 }
 121                         } else if (words[0].equalsIgnoreCase("stats")) {
 122                                 int configuredChannelsCount = core.channels().size();
 123                                 int joinedChannelsCount = core.joinedChannels().size();
 124                                 int extraChannelsCount = core.extraChannels().size();
 125                                 Collection<Bot> bots = core.bots();
 126                                 Set<String> packNames = Sets.newHashSet();
 127                                 int packsCount = 0;
 128                                 for (Bot bot : bots) {
 129                                         packsCount += bot.packs().size();
 130                                         for (Pack pack : bot) {
 131                                                 packNames.add(pack.name());
 132                                         }
 133                                 }
 134
 135                                 writer.write(String.format("%d channels (%d joined, %d extra), %d bots offering %d packs (%d unique).\n", configuredChannelsCount, joinedChannelsCount, extraChannelsCount, bots.size(), packsCount, packNames.size()));
 136                         }
 137
 138                         lastLine = line;
 139                         writer.flush();
 140                 }
 141         }
 142
 143         /** Container for result information. */
 144         private static class Result implements Comparable<Result> {
 145
 146                 /** The bot carrying the pack. */
 147                 private final Bot bot;
 148
 149                 /** The pack. */
 150                 private final Pack pack;
 151
 152                 /**
 153                  * Creates a new result.
 154                  *
 155                  * @param bot
 156                  *              The bot carrying the pack
 157                  * @param pack
 158                  *              The pack
 159                  */
 160                 private Result(Bot bot, Pack pack) {
 161                         this.bot = bot;
 162                         this.pack = pack;
 163                 }
 164
 165                 //
 166                 // ACCESSORS
 167                 //
 168
 169                 /**
 170                  * Returns the bot carrying the pack.
 171                  *
 172                  * @return The bot carrying the pack
 173                  */
 174                 public Bot bot() {
 175                         return bot;
 176                 }
 177
 178                 /**
 179                  * Returns the pack.
 180                  *
 181                  * @return The pack
 182                  */
 183                 public Pack pack() {
 184                         return pack;
 185                 }
 186
 187                 //
 188                 // COMPARABLE METHODS
 189                 //
 190
 191                 @Override
 192                 public int compareTo(Result result) {
 193                         return pack().name().compareToIgnoreCase(result.pack().name());
 194                 }
 195
 196         }
 197
 198 }