Language System (for console messages)

language_system.diff

Index: dist/game/config/Language/lang_en.xml
===================================================================
--- dist/game/config/Language/lang_en.xml	(revision 0)
+++ dist/game/config/Language/lang_en.xml	(working copy)
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<localization lang="English">
+	
+	<!-- Seven Signs -->
+	<message id="ss_teleported_nearest_seal" text="You have been teleported to the nearest town due to the beginning of the Seal Validation period."/>
+	<message id="ss_teleported_nearest_cabal" text="You have been teleported to the nearest town because you have not signed for any cabal."/>
+	<message id="ss_festival_ended" text="The festival has ended. Your party leader must now register your score before the next festival takes place."/>
+	<message id="ss_remove_player" text="You have been removed from the festival arena."/>
+	
+</localization>
\ No newline at end of file
Index: src/main/java/com/l2jserver/gameserver/datatables/LanguageData.java
===================================================================
--- src/main/java/com/l2jserver/gameserver/datatables/LanguageData.java	(revision 0)
+++ src/main/java/com/l2jserver/gameserver/datatables/LanguageData.java	(working copy)
@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2015-2015 L2J EventEngine
+ *
+ * This file is part of L2J EventEngine.
+ *
+ * L2J EventEngine 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.
+ *
+ * L2J EventEngine 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 com.l2jserver.gameserver.datatables;
+
+import java.io.File;
+import java.io.FileFilter;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.StringTokenizer;
+import java.util.logging.Logger;
+
+import javax.xml.parsers.DocumentBuilderFactory;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.NamedNodeMap;
+import org.w3c.dom.Node;
+
+import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
+
+/**
+ * @author U3Games
+ */
+
+public final class LanguageData
+{
+	// Logger
+	private static final Logger LOGGER = Logger.getLogger(LanguageData.class.getName());
+	
+	// Default
+	private static final String DIRECTORY = "config/Language";
+	private static final String DEFAULT_LANG = "en";
+	
+	// Maps
+	private final Map<L2PcInstance, String> _playerCurrentLang = new HashMap<>();
+	private final Map<String, String> _msgMap = new HashMap<>();
+	private final Map<String, String> _languages = new HashMap<>();
+	
+	public LanguageData()
+	{
+		load();
+	}
+	
+	private void load()
+	{
+		try
+		{
+			File dir = new File(DIRECTORY);
+			
+			for (File file : dir.listFiles((FileFilter) pathname ->
+			{
+				if (pathname.getName().endsWith(".xml"))
+				{
+					return true;
+				}
+				return false;
+			}))
+			{
+				if (file.getName().startsWith("lang_"))
+				{
+					loadXml(file, file.getName().substring(5, file.getName().indexOf(".xml")));
+				}
+			}
+			
+			LOGGER.info(LanguageData.class.getSimpleName() + ": Loaded " + _languages.size() + " languages.");
+		}
+		catch (Exception e)
+		{
+			LOGGER.warning(LanguageData.class.getSimpleName() + ": -> Error while loading language files: " + e);
+			e.printStackTrace();
+		}
+	}
+	
+	private void loadXml(File file, String lang)
+	{
+		int count = 0;
+		String langName = "";
+		
+		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+		factory.setValidating(false);
+		factory.setIgnoringComments(true);
+		Document doc = null;
+		if (file.exists())
+		{
+			try
+			{
+				doc = factory.newDocumentBuilder().parse(file);
+			}
+			catch (Exception e)
+			{
+				LOGGER.warning(LanguageData.class.getSimpleName() + ": -> Could not load language (" + lang + ") file for event engine: " + e);
+				e.printStackTrace();
+			}
+			
+			Node n = doc.getFirstChild();
+			NamedNodeMap docAttr = n.getAttributes();
+			if (docAttr.getNamedItem("lang") != null)
+			{
+				langName = docAttr.getNamedItem("lang").getNodeValue();
+			}
+			
+			if (!_languages.containsKey(lang))
+			{
+				_languages.put(lang, langName);
+			}
+			
+			for (Node d = n.getFirstChild(); d != null; d = d.getNextSibling())
+			{
+				if (d.getNodeName().equals("message"))
+				{
+					NamedNodeMap attrs = d.getAttributes();
+					String id = attrs.getNamedItem("id").getNodeValue();
+					String text = attrs.getNamedItem("text").getNodeValue();
+					
+					_msgMap.put(lang + "_" + id, text);
+					count++;
+				}
+			}
+		}
+		
+		LOGGER.info("Loaded language file for language " + lang + " " + count + " messages.");
+	}
+	
+	/**
+	 * @param player
+	 * @param text
+	 * @return String
+	 */
+	public String getMsgByLang(L2PcInstance player, String text)
+	{
+		String lang = getLanguage(player);
+		
+		StringBuilder msg = new StringBuilder(50);
+		StringTokenizer st = new StringTokenizer(text, " ");
+		
+		while (st.hasMoreTokens())
+		{
+			String textLang = st.nextToken();
+			if (_msgMap.containsKey(lang + "_" + textLang))
+			{
+				msg.append(_msgMap.get(lang + "_" + textLang));
+			}
+			else if (_msgMap.containsKey(lang + "_" + textLang))
+			{
+				msg.append(_msgMap.get("en_" + textLang));
+			}
+			else
+			{
+				msg.append(textLang);
+			}
+		}
+		
+		return msg.toString();
+	}
+	
+	/**
+	 * @param player
+	 * @param lang
+	 */
+	public void setLanguage(L2PcInstance player, String lang)
+	{
+		_playerCurrentLang.put(player, lang);
+	}
+	
+	/**
+	 * @param player
+	 * @return String
+	 */
+	public String getLanguage(L2PcInstance player)
+	{
+		if (_playerCurrentLang.containsKey(player))
+		{
+			return _playerCurrentLang.get(player);
+			
+		}
+		return DEFAULT_LANG;
+	}
+	
+	/**
+	 * @return
+	 */
+	public Map<String, String> getLanguages()
+	{
+		return _languages;
+	}
+	
+	public static LanguageData getInstance()
+	{
+		return SingletonHolder._instance;
+	}
+	
+	private static class SingletonHolder
+	{
+		protected static final LanguageData _instance = new LanguageData();
+	}
+}
Index: src/main/java/com/l2jserver/gameserver/GameServer.java
===================================================================
--- src/main/java/com/l2jserver/gameserver/GameServer.java	(revision 20878)
+++ src/main/java/com/l2jserver/gameserver/GameServer.java	(working copy)
@@ -84,6 +84,7 @@
 import com.l2jserver.gameserver.datatables.BotReportTable;
 import com.l2jserver.gameserver.datatables.EventDroplist;
 import com.l2jserver.gameserver.datatables.ItemTable;
+import com.l2jserver.gameserver.datatables.LanguageData;
 import com.l2jserver.gameserver.datatables.MerchantPriceConfigTable;
 import com.l2jserver.gameserver.datatables.SkillData;
 import com.l2jserver.gameserver.datatables.SpawnTable;
@@ -216,6 +217,9 @@
 		FishingRodsData.getInstance();
 		HennaData.getInstance();
 		
+		printSection("Languages");
+		LanguageData.getInstance();
+		
 		printSection("Characters");
 		ClassListData.getInstance();
 		InitialEquipmentData.getInstance();
Index: src/main/java/com/l2jserver/gameserver/SevenSigns.java
===================================================================
--- src/main/java/com/l2jserver/gameserver/SevenSigns.java	(revision 20878)
+++ src/main/java/com/l2jserver/gameserver/SevenSigns.java	(working copy)
@@ -34,6 +34,7 @@
 
 import com.l2jserver.Config;
 import com.l2jserver.commons.database.pool.impl.ConnectionFactory;
+import com.l2jserver.gameserver.datatables.LanguageData;
 import com.l2jserver.gameserver.instancemanager.CastleManager;
 import com.l2jserver.gameserver.model.AutoSpawnHandler;
 import com.l2jserver.gameserver.model.AutoSpawnHandler.AutoSpawnInstance;
@@ -1419,7 +1420,7 @@
 				{
 					player.teleToLocation(TeleportWhereType.TOWN);
 					player.setIsIn7sDungeon(false);
-					player.sendMessage("You have been teleported to the nearest town due to the beginning of the Seal Validation period.");
+					player.sendMessage(LanguageData.getInstance().getMsgByLang(player, "ss_teleported_nearest_seal"));
 				}
 			}
 			else
@@ -1428,7 +1429,7 @@
 				{
 					player.teleToLocation(TeleportWhereType.TOWN);
 					player.setIsIn7sDungeon(false);
-					player.sendMessage("You have been teleported to the nearest town because you have not signed for any cabal.");
+					player.sendMessage(LanguageData.getInstance().getMsgByLang(player, "ss_teleported_nearest_cabal"));
 				}
 			}
 		}