Split command reader into separate commands.

[xudocci.git] / src / main / java / net / pterodactylus / xdcc / ui / stdin / StatsCommand.java

diff --git a/src/main/java/net/pterodactylus/xdcc/ui/stdin/StatsCommand.java b/src/main/java/net/pterodactylus/xdcc/ui/stdin/StatsCommand.java
new file mode 100644 (file)
index 0000000..85b92d1
--- /dev/null
+++ b/src/main/java/net/pterodactylus/xdcc/ui/stdin/StatsCommand.java
@@ -0,0 +1,88 @@
+/*
+ * XdccDownloader - StatsCommand.java - Copyright © 2013 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.xdcc.ui.stdin;
+
+import static java.util.Collections.emptyList;
+
+import java.io.IOException;
+import java.io.Writer;
+import java.util.Collection;
+import java.util.List;
+import java.util.Set;
+
+import net.pterodactylus.xdcc.core.Core;
+import net.pterodactylus.xdcc.data.Bot;
+import net.pterodactylus.xdcc.data.Pack;
+
+import com.google.common.collect.Sets;
+
+/**
+ * Command that outputs a short statistic of what is going on.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class StatsCommand implements Command {
+
+       /** The core to operate on. */
+       private final Core core;
+
+       /**
+        * Creates a new stats command.
+        *
+        * @param core
+        *              The core to operate on
+        */
+       public StatsCommand(Core core) {
+               this.core = core;
+       }
+
+       //
+       // COMMAND METHODS
+       //
+
+       @Override
+       public String getName() {
+               return "stats";
+       }
+
+       @Override
+       public Collection<String> getAliases() {
+               return emptyList();
+       }
+
+       @Override
+       public State execute(State state, List<String> parameters, Writer outputWriter) throws IOException {
+               int configuredChannelsCount = core.channels().size();
+               int joinedChannelsCount = core.joinedChannels().size();
+               int extraChannelsCount = core.extraChannels().size();
+               Collection<Bot> bots = core.bots();
+               Set<String> packNames = Sets.newHashSet();
+               int packsCount = 0;
+               for (Bot bot : bots) {
+                       packsCount += bot.packs().size();
+                       for (Pack pack : bot) {
+                               packNames.add(pack.name());
+                       }
+               }
+
+               outputWriter.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()));
+               outputWriter.flush();
+               return state;
+       }
+
+}