Move config to assets/viaversion & refactor Config

Config loading is done by the implementing class.
Platforms can now specify the URL of the default config.

bukkit/src/main/java/us/myles/ViaVersion/bukkit/platform/BukkitConfigAPI.java

@@ -6,6 +6,7 @@ import us.myles.ViaVersion.api.ViaVersionConfig;
 import us.myles.ViaVersion.util.Config;
 
 import java.io.File;
+import java.net.URL;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
@@ -15,6 +16,8 @@ public class BukkitConfigAPI extends Config implements ViaVersionConfig {
 
     public BukkitConfigAPI() {
         super(new File(((ViaVersionPlugin) Via.getPlatform()).getDataFolder(), "config.yml"));
+        // Load config
+        reloadConfig();
     }
 
     @Override
@@ -177,6 +180,11 @@ public class BukkitConfigAPI extends Config implements ViaVersionConfig {
         return getString("reload-disconnect-msg", "Server reload, please rejoin!");
     }
 
+    @Override
+    public URL getDefaultConfigURL() {
+        return BukkitConfigAPI.class.getClassLoader().getResource("assets/viaversion/config.yml");
+    }
+
     @Override
     protected void handleConfig(Map<String, Object> config) {
         // Nothing currently

bungee/src/main/java/us/myles/ViaVersion/bungee/platform/BungeeConfigAPI.java

@@ -6,6 +6,7 @@ import us.myles.ViaVersion.bungee.providers.BungeeVersionProvider;
 import us.myles.ViaVersion.util.Config;
 
 import java.io.File;
+import java.net.URL;
 import java.util.*;
 
 public class BungeeConfigAPI extends Config implements ViaVersionConfig {
@@ -13,6 +14,13 @@ public class BungeeConfigAPI extends Config implements ViaVersionConfig {
 
     public BungeeConfigAPI(File configFile) {
         super(new File(configFile, "config.yml"));
+        // Load config
+        reloadConfig();
+    }
+
+    @Override
+    public URL getDefaultConfigURL() {
+        return BungeeConfigAPI.class.getClassLoader().getResource("assets/viaversion/config.yml");
     }
 
     @Override

common/src/main/java/us/myles/ViaVersion/util/Config.java

@@ -29,14 +29,21 @@ public abstract class Config implements ConfigurationProvider {
     private final File configFile;
     private ConcurrentSkipListMap<String, Object> config;
 
+    /**
+     * Create a new Config instance, this will *not* load the config by default.
+     * To load config see {@link #reloadConfig()}
+     *
+     * @param configFile The location of where the config is loaded/saved.
+     */
     public Config(File configFile) {
         this.configFile = configFile;
-        reloadConfig();
     }
 
+    public abstract URL getDefaultConfigURL();
+
     public synchronized Map<String, Object> loadConfig(File location) {
         List<String> unsupported = getUnsupportedOptions();
-        URL jarConfigFile = Config.class.getClassLoader().getResource("config.yml");
+        URL jarConfigFile = getDefaultConfigURL();
         try {
             commentStore.storeComments(jarConfigFile.openStream());
             for (String option : unsupported) {

sponge/src/main/java/us/myles/ViaVersion/SpongePlugin.java

@@ -3,6 +3,7 @@ package us.myles.ViaVersion;
 import com.google.gson.JsonObject;
 import com.google.inject.Inject;
 import org.spongepowered.api.Game;
+import org.spongepowered.api.Sponge;
 import org.spongepowered.api.config.DefaultConfig;
 import org.spongepowered.api.entity.living.player.Player;
 import org.spongepowered.api.event.Listener;
@@ -62,7 +63,7 @@ public class SpongePlugin implements ViaPlatform {
         // Setup Logger
         logger = new LoggerWrapper(container.getLogger());
         // Setup Plugin
-        conf = new SpongeConfigAPI(defaultConfig.getParentFile());
+        conf = new SpongeConfigAPI(container, defaultConfig.getParentFile());
         syncExecutor = game.getScheduler().createSyncExecutor(this);
         asyncExecutor = game.getScheduler().createAsyncExecutor(this);
         SpongeCommandHandler commandHandler = new SpongeCommandHandler();

sponge/src/main/java/us/myles/ViaVersion/sponge/platform/SpongeConfigAPI.java

@@ -1,18 +1,35 @@
 package us.myles.ViaVersion.sponge.platform;
 
+import org.spongepowered.api.asset.Asset;
+import org.spongepowered.api.plugin.PluginContainer;
 import us.myles.ViaVersion.api.ViaVersionConfig;
 import us.myles.ViaVersion.util.Config;
 
 import java.io.File;
+import java.net.URL;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 
 public class SpongeConfigAPI extends Config implements ViaVersionConfig {
     private static List<String> UNSUPPORTED = Arrays.asList("anti-xray-patch", "bungee-ping-interval", "bungee-ping-save", "bungee-servers");
+    private final PluginContainer pluginContainer;
 
-    public SpongeConfigAPI(File configFile) {
+    public SpongeConfigAPI(PluginContainer pluginContainer, File configFile) {
         super(new File(configFile, "config.yml"));
+        this.pluginContainer = pluginContainer;
+        // Load config
+        reloadConfig();
+    }
+
+    @Override
+    public URL getDefaultConfigURL() {
+        Optional<Asset> config = pluginContainer.getAsset("config.yml");
+        if (!config.isPresent()) {
+            throw new IllegalArgumentException("Default config is missing from jar");
+        }
+        return config.get().getUrl();
     }
 
     @Override