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