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