Added in loading from YAML files to bungee (#238)

bungee/src/main/java/co/aikar/commands/BungeeLocales.java

@@ -1,5 +1,14 @@
 package co.aikar.commands;
 
+import co.aikar.locales.MessageKey;
+import net.md_5.bungee.config.Configuration;
+import net.md_5.bungee.config.ConfigurationProvider;
+import net.md_5.bungee.config.YamlConfiguration;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Locale;
+
 public class BungeeLocales extends Locales {
     private final BungeeCommandManager manager;
 
@@ -16,4 +25,57 @@ public class BungeeLocales extends Locales {
         String pluginName = "acf-" + manager.plugin.getDescription().getName();
         addMessageBundles("acf-minecraft", pluginName, pluginName.toLowerCase());
     }
+
+    /**
+     * Loads the given file
+     *
+     * @param file
+     * @param locale
+     * @return If any language keys were added
+     * @throws IOException
+     */
+    public boolean loadYamlLanguageFile(File file, Locale locale) throws IOException {
+        Configuration yamlConfiguration = ConfigurationProvider.getProvider(YamlConfiguration.class).load(file);
+        return loadLanguage(yamlConfiguration, locale);
+    }
+
+    /**
+     * Loads a file out of the plugins data folder by the given name
+     *
+     * @param file
+     * @param locale
+     * @return If any language keys were added
+     * @throws IOException
+     */
+    public boolean loadYamlLanguageFile(String file, Locale locale) throws IOException {
+        Configuration yamlConfiguration = ConfigurationProvider.getProvider(YamlConfiguration.class).load(new File(this.manager.plugin.getDataFolder(), file));
+        return loadLanguage(yamlConfiguration, locale);
+    }
+
+
+    /**
+     * Loads every message from the Configuration object. Any nested values will be treated as namespace
+     * so acf-core:\n\tfoo: bar will be acf-core.foo = bar
+     *
+     * @param config
+     * @param locale
+     * @return If any language keys were added
+     */
+    public boolean loadLanguage(Configuration config, Locale locale) {
+        boolean loaded = false;
+        for (String parentKey : config.getKeys()) {
+            Configuration inner = config.getSection(parentKey);
+            if (inner == null) {
+                continue;
+            }
+            for (String key : inner.getKeys()) {
+                String value = inner.getString(key);
+                if (value != null && !value.isEmpty()) {
+                    addMessage(locale, MessageKey.of(parentKey + "." + key), value);
+                    loaded = true;
+                }
+            }
+        }
+        return loaded;
+    }
 }