Add new settings system, and allow youtube-dl command to be set via it.

src/main/java/moe/nekojimi/chords/Chords.java

@@ -44,6 +44,7 @@ public final class Chords extends ListenerAdapter
 {
 
     private static final CommandOptions options = new CommandOptions();
+    private static Settings settings;
 
     private final File dataDirectory;
     private final File playlistsDirectory;
@@ -85,7 +86,9 @@ public final class Chords extends ListenerAdapter
                 GatewayIntent.GUILD_MEMBERS
         );
 
-        JDABuilder builder = JDABuilder.createDefault(options.getToken(), intents);
+        settings = new Settings(new File(options.getSettingsPath()));
+
+        JDABuilder builder = JDABuilder.createDefault(settings.getDiscordToken(), intents);
 
         // Disable parts of the cache
         builder.disableCache(CacheFlag.MEMBER_OVERRIDES);
@@ -101,11 +104,11 @@ public final class Chords extends ListenerAdapter
         builder.addEventListeners(listener);
         builder.setAutoReconnect(true);
 
-        if (options.getLocalAddress() != null)
+        if (settings.getLocalAddr() != null)
         {
             final WebSocketFactory webSocketFactory = new WebSocketFactory();
             final LocalBindSocketFactory localBindSocketFactory = new LocalBindSocketFactory();
-            localBindSocketFactory.setLocalAddress(InetAddress.getByName(options.getLocalAddress()));
+            localBindSocketFactory.setLocalAddress(InetAddress.getByName(settings.getLocalAddr()));
             webSocketFactory.setSocketFactory(localBindSocketFactory);
             builder.setWebsocketFactory(webSocketFactory);
         }
@@ -399,6 +402,11 @@ public final class Chords extends ListenerAdapter
         return trackNumber;
     }
 
+    public static Settings getSettings()
+    {
+        return settings;
+    }
+
     private class DownloaderMessageHandler implements BiConsumer<SongRequest, Exception>
     {
 

src/main/java/moe/nekojimi/chords/CommandOptions.java

@@ -25,20 +25,28 @@ import com.beust.jcommander.Parameter;
 public class CommandOptions
 {
 
-    @Parameter(names = "-token", description = "The API token for Discord.", required = true)
-    private String token;
+    @Parameter(names = "-settings", description = "A path to the settings.yml file.")
+    private String settingsPath = "settings.yml";
 
-    @Parameter(names = "-local-addr", description = "The local address to bind to.")
-    private String localAddress;
+//    @Parameter(names = "-token", description = "The API token for Discord.", required = true)
+//    private String token;
+//
+//    @Parameter(names = "-local-addr", description = "The local address to bind to.")
+//    private String localAddress;
 
-    public String getToken()
-    {
-        return token;
-    }
+//    public String getToken()
+//    {
+//        return token;
+//    }
+//
+//    public String getLocalAddress()
+//    {
+//        return localAddress;
+//    }
 
-    public String getLocalAddress()
+    public String getSettingsPath()
     {
-        return localAddress;
+        return settingsPath;
     }
 
 }

src/main/java/moe/nekojimi/chords/Downloader.java

@@ -133,7 +133,7 @@ public class Downloader implements Consumer<DownloadTask>
             return;
         try
         {
-            String cmd = "/usr/bin/youtube-dl --skip-download -F " + song.getUrl().toString();
+            String cmd = Chords.getSettings().getYtdlCommand() + " --skip-download -F " + song.getUrl().toString();
             Process exec = runCommand(cmd, FORMAT_TIMEOUT);
             InputStream input = exec.getInputStream();
             String output = new String(input.readAllBytes(), Charset.defaultCharset());
@@ -166,7 +166,7 @@ public class Downloader implements Consumer<DownloadTask>
     {
         try
         {
-            String cmd = "/usr/bin/youtube-dl --skip-download --print-json " + song.getUrl().toString();
+            String cmd = Chords.getSettings().getYtdlCommand() + " --skip-download --print-json " + song.getUrl().toString();
             Process exec = runCommand(cmd, INFO_TIMEOUT);
             InputStream input = exec.getInputStream();
             JsonReader reader = Json.createReader(input);
@@ -213,7 +213,8 @@ public class Downloader implements Consumer<DownloadTask>
         try
         {
             messageHandler.accept(task.request, null);
-            String cmd = "/usr/bin/youtube-dl -x"
+            String cmd = Chords.getSettings().getYtdlCommand()
+                    + " -x"
                     + " -f " + formatCodes + "worstaudio/bestaudio/worst/best"
                     + " --audio-format=wav"
                     + " --no-playlist"

src/main/java/moe/nekojimi/chords/Settings.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2023 jimj316
+ *
+ * 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 moe.nekojimi.chords;
+
+import com.amihaiemil.eoyaml.Yaml;
+import com.amihaiemil.eoyaml.YamlInput;
+import com.amihaiemil.eoyaml.YamlMapping;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+
+/**
+ *
+ * @author jimj316
+ */
+public class Settings
+{
+
+    private final YamlMapping mapping;
+
+    public Settings(File file) throws FileNotFoundException, IOException
+    {
+        YamlInput input = Yaml.createYamlInput(file);
+        mapping = input.readYamlMapping();
+
+    }
+
+    public String getDiscordToken()
+    {
+        return mapping.string("discord-token");
+    }
+
+    public String getLocalAddr()
+    {
+        return mapping.string("local-addr");
+    }
+
+    public String getYtdlCommand()
+    {
+        String ret = mapping.string("ytdl-cmd");
+        if (ret == null)
+            ret = "/usr/bin/youtube-dl";
+        return ret;
+    }
+}