Merged with released L2J-Unity files.

trunk/java/com/l2jmobius/gameserver/scripting/AbstractExecutionContext.java

@@ -0,0 +1,75 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * 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 com.l2jmobius.gameserver.scripting;
+
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author HorridoJoho
+ * @param <T>
+ */
+public abstract class AbstractExecutionContext<T extends IScriptingEngine> implements IExecutionContext
+{
+	private final T _engine;
+	private final Map<String, String> _properties;
+	private volatile Path _currentExecutingScipt;
+	
+	protected AbstractExecutionContext(T engine)
+	{
+		if (engine == null)
+		{
+			throw new IllegalArgumentException();
+		}
+		_engine = engine;
+		_properties = new HashMap<>();
+	}
+	
+	protected final void setCurrentExecutingScript(Path currentExecutingScript)
+	{
+		_currentExecutingScipt = currentExecutingScript;
+	}
+	
+	@Override
+	public final String setProperty(String key, String value)
+	{
+		return _properties.put(key, value);
+	}
+	
+	@Override
+	public final String getProperty(String key)
+	{
+		if (!_properties.containsKey(key))
+		{
+			return _engine.getProperty(key);
+		}
+		return _properties.get(key);
+	}
+	
+	@Override
+	public final Path getCurrentExecutingScript()
+	{
+		return _currentExecutingScipt;
+	}
+	
+	@Override
+	public final T getScriptingEngine()
+	{
+		return _engine;
+	}
+}

trunk/java/com/l2jmobius/gameserver/scripting/AbstractScriptingEngine.java

@@ -0,0 +1,74 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * 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 com.l2jmobius.gameserver.scripting;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author HorridoJoho
+ */
+public abstract class AbstractScriptingEngine implements IScriptingEngine
+{
+	private final String _engineName;
+	private final String _engineVersion;
+	private final String[] _commonFileExtensions;
+	private final Map<String, String> _properties;
+	
+	protected AbstractScriptingEngine(String engineName, String engineVersion, String... commonFileExtensions)
+	{
+		if ((engineName == null) || engineName.isEmpty() || (engineVersion == null) || engineVersion.isEmpty() || (commonFileExtensions == null) || (commonFileExtensions.length == 0))
+		{
+			throw new IllegalArgumentException();
+		}
+		_engineName = engineName;
+		_engineVersion = engineVersion;
+		_commonFileExtensions = commonFileExtensions;
+		_properties = new HashMap<>();
+	}
+	
+	@Override
+	public final String setProperty(String key, String value)
+	{
+		return _properties.put(key, value);
+	}
+	
+	@Override
+	public final String getProperty(String key)
+	{
+		return _properties.get(key);
+	}
+	
+	@Override
+	public final String getEngineName()
+	{
+		return _engineName;
+	}
+	
+	@Override
+	public final String getEngineVersion()
+	{
+		return _engineVersion;
+	}
+	
+	@Override
+	public final String[] getCommonFileExtensions()
+	{
+		return Arrays.copyOf(_commonFileExtensions, _commonFileExtensions.length);
+	}
+}

trunk/java/com/l2jmobius/gameserver/scripting/IExecutionContext.java

@@ -0,0 +1,71 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * 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 com.l2jmobius.gameserver.scripting;
+
+import java.nio.file.Path;
+import java.util.Map;
+import java.util.Map.Entry;
+
+/**
+ * @author HorridoJoho
+ */
+public interface IExecutionContext
+{
+	/**
+	 * Properties set here override the settings from the IScriptEngine<br>
+	 * this class was created from.
+	 * @param key the key
+	 * @param value the value
+	 * @return the previous value, or null when this key was not present before
+	 */
+	String setProperty(String key, String value);
+	
+	/**
+	 * Executes all script in the iterable.
+	 * @param sourcePaths the scripts to execute
+	 * @return map of failed executions, Path=source file Throwable=thrown exception
+	 * @throws Exception preparation for script execution failed
+	 */
+	Map<Path, Throwable> executeScripts(Iterable<Path> sourcePaths) throws Exception;
+	
+	/**
+	 * Executes a single file.
+	 * @param sourcePath the script to execute
+	 * @return entry of failed execution, Path=source file Throwable=thrown exception
+	 * @throws Exception preparation for script execution failed
+	 */
+	Entry<Path, Throwable> executeScript(Path sourcePath) throws Exception;
+	
+	/**
+	 * Method to get the specified property value.
+	 * @param key the key
+	 * @return the value, or null if the key is not present
+	 */
+	String getProperty(String key);
+	
+	/**
+	 * Method to get the current executing script file.
+	 * @return the currently executing script file, null if non
+	 */
+	Path getCurrentExecutingScript();
+	
+	/**
+	 * Method to get the script engine this execution context belongs to.
+	 * @return the script engine this execution context belongs to
+	 */
+	IScriptingEngine getScriptingEngine();
+}

trunk/java/com/l2jmobius/gameserver/scripting/IScriptingEngine.java

@@ -0,0 +1,75 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * 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 com.l2jmobius.gameserver.scripting;
+
+/**
+ * @author HorridoJoho
+ */
+public interface IScriptingEngine
+{
+	/**
+	 * Sets script engine properties. The script values will be available<br>
+	 * to the the insatnces created {@link IExecutionContext} implementation.
+	 * @param key the key
+	 * @param value the value
+	 * @return the previous value, or null when this key was not present before
+	 */
+	String setProperty(String key, String value);
+	
+	/**
+	 * Creates an execution context.
+	 * @return the created execution context.
+	 */
+	IExecutionContext createExecutionContext();
+	
+	/**
+	 * Method to get the specified property value.
+	 * @param key the key
+	 * @return the value,or null if the key is not present
+	 */
+	String getProperty(String key);
+	
+	/**
+	 * Method to get the engine name.
+	 * @return the engine name
+	 */
+	String getEngineName();
+	
+	/**
+	 * Method to get the engine version.
+	 * @return the engine version
+	 */
+	String getEngineVersion();
+	
+	/**
+	 * Method to get the scripting language name.
+	 * @return the scripting engine name
+	 */
+	String getLanguageName();
+	
+	/**
+	 * Method to get the the language version.
+	 * @return the language version
+	 */
+	String getLanguageVersion();
+	
+	/**
+	 * Method to retrive the commonly used file extensions for the language.
+	 * @return the commonly used file extensions for the language
+	 */
+	String[] getCommonFileExtensions();
+}

trunk/java/com/l2jmobius/gameserver/scripting/L2ScriptEngineManager.java

@@ -1,363 +0,0 @@
-/*
- * This file is part of the L2J Mobius project.
- * 
- * 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 com.l2jmobius.gameserver.scripting;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.LineNumberReader;
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-import javax.script.Compilable;
-import javax.script.CompiledScript;
-import javax.script.ScriptContext;
-import javax.script.ScriptEngine;
-import javax.script.ScriptEngineFactory;
-import javax.script.ScriptEngineManager;
-import javax.script.ScriptException;
-import javax.script.SimpleScriptContext;
-
-import com.l2jmobius.Config;
-import com.l2jmobius.commons.javaengine.JavaScriptEngineFactory;
-
-/**
- * Caches script engines and provides functionality for executing and managing scripts.
- * @author KenM
- */
-public final class L2ScriptEngineManager
-{
-	private static final Logger _log = Logger.getLogger(L2ScriptEngineManager.class.getName());
-	
-	public static final File SCRIPT_FOLDER = new File(Config.DATAPACK_ROOT.getAbsolutePath(), "scripts");
-	
-	public static L2ScriptEngineManager getInstance()
-	{
-		return SingletonHolder._instance;
-	}
-	
-	private final Map<String, ScriptEngine> _extEngines = new HashMap<>();
-	private final List<ScriptManager<?>> _scriptManagers = new LinkedList<>();
-	
-	private File _currentLoadingScript;
-	
-	/**
-	 * If the script engine supports compilation the script is compiled before execution.<BR>
-	 */
-	private static final boolean ATTEMPT_COMPILATION = true;
-	
-	protected L2ScriptEngineManager()
-	{
-		final ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
-		final ScriptEngineFactory factory = new JavaScriptEngineFactory();
-		scriptEngineManager.registerEngineExtension("java", factory);
-		_extEngines.put("java", factory.getScriptEngine());
-		_log.info("Script Engine: " + factory.getEngineName() + " " + factory.getEngineVersion() + " - Language: " + factory.getLanguageName() + " - Language Version: " + factory.getLanguageVersion());
-	}
-	
-	private ScriptEngine getEngineByExtension(String ext)
-	{
-		return _extEngines.get(ext);
-	}
-	
-	public void executeScriptList(File list) throws IOException
-	{
-		if (Config.ALT_DEV_NO_QUESTS)
-		{
-			if (!Config.ALT_DEV_NO_HANDLERS)
-			{
-				try
-				{
-					executeScript(new File(SCRIPT_FOLDER, "handlers/MasterHandler.java"));
-					_log.info("Handlers loaded, all other scripts skipped");
-				}
-				catch (ScriptException se)
-				{
-					_log.log(Level.WARNING, "", se);
-				}
-			}
-			return;
-		}
-		
-		if (!list.isFile())
-		{
-			throw new IllegalArgumentException("Argument must be an file containing a list of scripts to be loaded");
-		}
-		
-		try (FileInputStream fis = new FileInputStream(list);
-			InputStreamReader isr = new InputStreamReader(fis);
-			LineNumberReader lnr = new LineNumberReader(isr))
-		{
-			String line;
-			while ((line = lnr.readLine()) != null)
-			{
-				if (Config.ALT_DEV_NO_HANDLERS && line.contains("MasterHandler.java"))
-				{
-					continue;
-				}
-				
-				final String[] parts = line.trim().split("#");
-				
-				if ((parts.length > 0) && !parts[0].isEmpty() && (parts[0].charAt(0) != '#'))
-				{
-					line = parts[0];
-					
-					if (line.endsWith("/**"))
-					{
-						line = line.substring(0, line.length() - 3);
-					}
-					else if (line.endsWith("/*"))
-					{
-						line = line.substring(0, line.length() - 2);
-					}
-					
-					final File file = new File(SCRIPT_FOLDER, line);
-					
-					if (file.isDirectory() && parts[0].endsWith("/**"))
-					{
-						executeAllScriptsInDirectory(file, true, 32);
-					}
-					else if (file.isDirectory() && parts[0].endsWith("/*"))
-					{
-						executeAllScriptsInDirectory(file);
-					}
-					else if (file.isFile())
-					{
-						try
-						{
-							executeScript(file);
-						}
-						catch (ScriptException e)
-						{
-							reportScriptFileError(file, e);
-						}
-					}
-					else
-					{
-						_log.warning("Failed loading: (" + file.getCanonicalPath() + ") @ " + list.getName() + ":" + lnr.getLineNumber() + " - Reason: doesnt exists or is not a file.");
-					}
-				}
-			}
-		}
-	}
-	
-	public void executeAllScriptsInDirectory(File dir)
-	{
-		executeAllScriptsInDirectory(dir, false, 0);
-	}
-	
-	public void executeAllScriptsInDirectory(File dir, boolean recurseDown, int maxDepth)
-	{
-		executeAllScriptsInDirectory(dir, recurseDown, maxDepth, 0);
-	}
-	
-	private void executeAllScriptsInDirectory(File dir, boolean recurseDown, int maxDepth, int currentDepth)
-	{
-		if (!dir.isDirectory())
-		{
-			throw new IllegalArgumentException("The argument directory either doesnt exists or is not an directory.");
-		}
-		
-		final File[] files = dir.listFiles();
-		if (files == null)
-		{
-			return;
-		}
-		
-		for (File file : files)
-		{
-			if (file.isDirectory() && recurseDown && (maxDepth > currentDepth))
-			{
-				executeAllScriptsInDirectory(file, recurseDown, maxDepth, currentDepth + 1);
-			}
-			else if (file.isFile())
-			{
-				try
-				{
-					final String name = file.getName();
-					final int lastIndex = name.lastIndexOf('.');
-					String extension;
-					if (lastIndex != -1)
-					{
-						extension = name.substring(lastIndex + 1);
-						final ScriptEngine engine = getEngineByExtension(extension);
-						if (engine != null)
-						{
-							executeScript(engine, file);
-						}
-					}
-				}
-				catch (ScriptException e)
-				{
-					reportScriptFileError(file, e);
-				}
-			}
-		}
-	}
-	
-	public void executeScript(File file) throws ScriptException
-	{
-		final String name = file.getName();
-		final int lastIndex = name.lastIndexOf('.');
-		String extension;
-		if (lastIndex == -1)
-		{
-			throw new ScriptException("Script file (" + name + ") doesnt has an extension that identifies the ScriptEngine to be used.");
-		}
-		extension = name.substring(lastIndex + 1);
-		final ScriptEngine engine = getEngineByExtension(extension);
-		if (engine == null)
-		{
-			throw new ScriptException("No engine registered for extension (" + extension + ")");
-		}
-		executeScript(engine, file);
-	}
-	
-	public void executeScript(ScriptEngine engine, File file) throws ScriptException
-	{
-		{
-			final String name = file.getAbsolutePath() + ".error.log";
-			final File errorLog = new File(name);
-			if (errorLog.isFile())
-			{
-				errorLog.delete();
-			}
-		}
-		
-		final String relativeName = file.getAbsolutePath().substring(SCRIPT_FOLDER.getAbsolutePath().length() + 1).replace('\\', '/');
-		try (FileInputStream fis = new FileInputStream(file);
-			InputStreamReader isr = new InputStreamReader(fis);
-			BufferedReader reader = new BufferedReader(isr))
-		{
-			final ScriptContext context = new SimpleScriptContext();
-			context.setAttribute("mainClass", getClassForFile(file).replace('/', '.').replace('\\', '.'), ScriptContext.ENGINE_SCOPE);
-			context.setAttribute(ScriptEngine.FILENAME, relativeName, ScriptContext.ENGINE_SCOPE);
-			context.setAttribute("classpath", SCRIPT_FOLDER.getAbsolutePath(), ScriptContext.ENGINE_SCOPE);
-			context.setAttribute("sourcepath", SCRIPT_FOLDER.getAbsolutePath(), ScriptContext.ENGINE_SCOPE);
-			setCurrentLoadingScript(file);
-			try
-			{
-				engine.eval(reader, context);
-			}
-			finally
-			{
-				setCurrentLoadingScript(null);
-				engine.getContext().removeAttribute(ScriptEngine.FILENAME, ScriptContext.ENGINE_SCOPE);
-				engine.getContext().removeAttribute("mainClass", ScriptContext.ENGINE_SCOPE);
-			}
-		}
-		catch (IOException e)
-		{
-			_log.log(Level.WARNING, "Error executing script!", e);
-		}
-	}
-	
-	public static String getClassForFile(File script)
-	{
-		final String path = script.getAbsolutePath();
-		final String scpPath = SCRIPT_FOLDER.getAbsolutePath();
-		return path.startsWith(scpPath) ? path.substring(scpPath.length() + 1, path.lastIndexOf('.')) : null;
-	}
-	
-	public ScriptContext getScriptContext(ScriptEngine engine)
-	{
-		return engine.getContext();
-	}
-	
-	public Object eval(ScriptEngine engine, String script, ScriptContext context) throws ScriptException
-	{
-		if (!(engine instanceof Compilable) || !ATTEMPT_COMPILATION)
-		{
-			return context != null ? engine.eval(script, context) : engine.eval(script);
-		}
-		final Compilable eng = (Compilable) engine;
-		final CompiledScript cs = eng.compile(script);
-		return context != null ? cs.eval(context) : cs.eval();
-	}
-	
-	public Object eval(ScriptEngine engine, String script) throws ScriptException
-	{
-		return eval(engine, script, null);
-	}
-	
-	public void reportScriptFileError(File script, ScriptException e)
-	{
-		final String dir = script.getParent();
-		if (dir != null)
-		{
-			final File file = new File(dir + "/" + script.getName() + ".error.log");
-			try (FileOutputStream fos = new FileOutputStream(file))
-			{
-				final String errorHeader = "Error on: " + file.getCanonicalPath() + Config.EOL + "Line: " + e.getLineNumber() + " - Column: " + e.getColumnNumber() + Config.EOL + Config.EOL;
-				fos.write(errorHeader.getBytes());
-				fos.write(e.getMessage().getBytes());
-				_log.warning("Failed executing script: " + script.getAbsolutePath() + ". See " + file.getName() + " for details.");
-			}
-			catch (IOException ioe)
-			{
-				_log.log(Level.WARNING, "Failed executing script: " + script.getAbsolutePath() + Config.EOL + e.getMessage() + "Additionally failed when trying to write an error report on script directory. Reason: " + ioe.getMessage(), ioe);
-			}
-		}
-		else
-		{
-			_log.log(Level.WARNING, "Failed executing script: " + script.getAbsolutePath() + Config.EOL + e.getMessage() + "Additionally failed when trying to write an error report on script directory.", e);
-		}
-	}
-	
-	public void registerScriptManager(ScriptManager<?> manager)
-	{
-		_scriptManagers.add(manager);
-	}
-	
-	public void removeScriptManager(ScriptManager<?> manager)
-	{
-		_scriptManagers.remove(manager);
-	}
-	
-	public List<ScriptManager<?>> getScriptManagers()
-	{
-		return _scriptManagers;
-	}
-	
-	/**
-	 * @param currentLoadingScript The currentLoadingScript to set.
-	 */
-	protected void setCurrentLoadingScript(File currentLoadingScript)
-	{
-		_currentLoadingScript = currentLoadingScript;
-	}
-	
-	/**
-	 * @return Returns the currentLoadingScript.
-	 */
-	public File getCurrentLoadingScript()
-	{
-		return _currentLoadingScript;
-	}
-	
-	private static class SingletonHolder
-	{
-		protected static final L2ScriptEngineManager _instance = new L2ScriptEngineManager();
-	}
-}

trunk/java/com/l2jmobius/gameserver/scripting/ManagedScript.java

@@ -0,0 +1,99 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * 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 com.l2jmobius.gameserver.scripting;
+
+import java.nio.file.Path;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * Abstract class for classes that are meant to be implemented by scripts.<BR>
+ * @author KenM
+ */
+public abstract class ManagedScript
+{
+	private static final Logger LOGGER = Logger.getLogger(ManagedScript.class.getName());
+	
+	private final Path _scriptFile;
+	private long _lastLoadTime;
+	private boolean _isActive;
+	
+	public ManagedScript()
+	{
+		_scriptFile = getScriptPath();
+		setLastLoadTime(System.currentTimeMillis());
+	}
+	
+	public abstract Path getScriptPath();
+	
+	/**
+	 * Attempts to reload this script and to refresh the necessary bindings with it ScriptControler.<BR>
+	 * Subclasses of this class should override this method to properly refresh their bindings when necessary.
+	 * @return true if and only if the script was reloaded, false otherwise.
+	 */
+	public boolean reload()
+	{
+		try
+		{
+			ScriptEngineManager.getInstance().executeScript(getScriptFile());
+			return true;
+		}
+		catch (Exception e)
+		{
+			LOGGER.log(Level.WARNING, "Failed to reload script!", e);
+			return false;
+		}
+	}
+	
+	public abstract boolean unload();
+	
+	public void setActive(boolean status)
+	{
+		_isActive = status;
+	}
+	
+	public boolean isActive()
+	{
+		return _isActive;
+	}
+	
+	/**
+	 * @return Returns the scriptFile.
+	 */
+	public Path getScriptFile()
+	{
+		return _scriptFile;
+	}
+	
+	/**
+	 * @param lastLoadTime The lastLoadTime to set.
+	 */
+	protected void setLastLoadTime(long lastLoadTime)
+	{
+		_lastLoadTime = lastLoadTime;
+	}
+	
+	/**
+	 * @return Returns the lastLoadTime.
+	 */
+	protected long getLastLoadTime()
+	{
+		return _lastLoadTime;
+	}
+	
+	public abstract String getScriptName();
+}

trunk/java/com/l2jmobius/gameserver/scripting/ScriptEngineManager.java

@@ -0,0 +1,314 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * 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 com.l2jmobius.gameserver.scripting;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Objects;
+import java.util.Properties;
+import java.util.ServiceLoader;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import com.l2jmobius.Config;
+import com.l2jmobius.gameserver.scripting.java.JavaScriptingEngine;
+
+/**
+ * Caches script engines and provides functionality for executing and managing scripts.
+ * @author KenM, HorridoJoho
+ */
+public final class ScriptEngineManager
+{
+	private static final Logger LOGGER = Logger.getLogger(ScriptEngineManager.class.getName());
+	public static final Path SCRIPT_FOLDER = Paths.get(Config.DATAPACK_ROOT.getAbsolutePath(), "data", "scripts");
+	public static final Path MASTER_HANDLER_FILE = Paths.get(SCRIPT_FOLDER.toString(), "handlers", "MasterHandler.java");
+	public static final Path EFFECT_MASTER_HANDLER_FILE = Paths.get(SCRIPT_FOLDER.toString(), "handlers", "EffectMasterHandler.java");
+	public static final Path SKILL_CONDITION_HANDLER_FILE = Paths.get(ScriptEngineManager.SCRIPT_FOLDER.toString(), "handlers", "SkillConditionMasterHandler.java");
+	public static final Path CONDITION_HANDLER_FILE = Paths.get(ScriptEngineManager.SCRIPT_FOLDER.toString(), "handlers", "ConditionMasterHandler.java");
+	public static final Path ONE_DAY_REWARD_MASTER_HANDLER = Paths.get(SCRIPT_FOLDER.toString(), "handlers", "OneDayRewardMasterHandler.java");
+	
+	private final Map<String, IExecutionContext> _extEngines = new HashMap<>();
+	private IExecutionContext _currentExecutionContext = null;
+	
+	protected ScriptEngineManager()
+	{
+		final Properties props = loadProperties();
+		
+		// Default java engine implementation
+		registerEngine(new JavaScriptingEngine(), props);
+		
+		// Load external script engines
+		ServiceLoader.load(IScriptingEngine.class).forEach(engine -> registerEngine(engine, props));
+	}
+	
+	private Properties loadProperties()
+	{
+		Properties props = null;
+		try (FileInputStream fis = new FileInputStream("config/ScriptEngines.ini"))
+		{
+			props = new Properties();
+			props.load(fis);
+		}
+		catch (Exception e)
+		{
+			props = null;
+			LOGGER.warning("Couldn't load ScriptEngines.properties: " + e.getMessage());
+		}
+		return props;
+	}
+	
+	private void registerEngine(IScriptingEngine engine, Properties props)
+	{
+		maybeSetProperties("language." + engine.getLanguageName() + ".", props, engine);
+		final IExecutionContext context = engine.createExecutionContext();
+		for (String commonExtension : engine.getCommonFileExtensions())
+		{
+			_extEngines.put(commonExtension, context);
+		}
+		
+		LOGGER.info("ScriptEngine: " + engine.getEngineName() + " " + engine.getEngineVersion() + " (" + engine.getLanguageName() + " " + engine.getLanguageVersion() + ")");
+	}
+	
+	private void maybeSetProperties(String propPrefix, Properties props, IScriptingEngine engine)
+	{
+		if (props == null)
+		{
+			return;
+		}
+		
+		for (Entry<Object, Object> prop : props.entrySet())
+		{
+			String key = (String) prop.getKey();
+			String value = (String) prop.getValue();
+			
+			if (key.startsWith(propPrefix))
+			{
+				key = key.substring(propPrefix.length());
+				if (value.startsWith("%") && value.endsWith("%"))
+				{
+					value = System.getProperty(value.substring(1, value.length() - 1));
+				}
+				
+				engine.setProperty(key, value);
+			}
+		}
+	}
+	
+	private IExecutionContext getEngineByExtension(String ext)
+	{
+		return _extEngines.get(ext);
+	}
+	
+	private String getFileExtension(Path p)
+	{
+		final String name = p.getFileName().toString();
+		final int lastDotIdx = name.lastIndexOf('.');
+		if (lastDotIdx == -1)
+		{
+			return null;
+		}
+		
+		final String extension = name.substring(lastDotIdx + 1);
+		if (extension.isEmpty())
+		{
+			return null;
+		}
+		
+		return extension;
+	}
+	
+	private void checkExistingFile(String messagePre, Path filePath) throws Exception
+	{
+		if (!Files.exists(filePath))
+		{
+			throw new Exception(messagePre + ": " + filePath + " does not exists!");
+		}
+		else if (!Files.isRegularFile(filePath))
+		{
+			throw new Exception(messagePre + ": " + filePath + " is not a file!");
+		}
+	}
+	
+	public void executeMasterHandler() throws Exception
+	{
+		executeScript(MASTER_HANDLER_FILE);
+	}
+	
+	public void executeEffectMasterHandler() throws Exception
+	{
+		executeScript(EFFECT_MASTER_HANDLER_FILE);
+	}
+	
+	public void executeSkillConditionMasterHandler() throws Exception
+	{
+		executeScript(SKILL_CONDITION_HANDLER_FILE);
+	}
+	
+	public void executeConditionMasterHandler() throws Exception
+	{
+		executeScript(CONDITION_HANDLER_FILE);
+	}
+	
+	public void executeOneDayRewardMasterHandler() throws Exception
+	{
+		executeScript(ONE_DAY_REWARD_MASTER_HANDLER);
+	}
+	
+	public void executeScriptList() throws Exception
+	{
+		if (Config.ALT_DEV_NO_QUESTS)
+		{
+			return;
+		}
+		
+		final Map<IExecutionContext, List<Path>> files = new LinkedHashMap<>();
+		processDirectory(SCRIPT_FOLDER.toFile(), files);
+		
+		for (Entry<IExecutionContext, List<Path>> entry : files.entrySet())
+		{
+			_currentExecutionContext = entry.getKey();
+			try
+			{
+				final Map<Path, Throwable> invokationErrors = entry.getKey().executeScripts(entry.getValue());
+				for (Entry<Path, Throwable> entry2 : invokationErrors.entrySet())
+				{
+					LOGGER.log(Level.WARNING, "ScriptEngine: " + entry2.getKey() + " failed execution!", entry2.getValue());
+				}
+			}
+			finally
+			{
+				_currentExecutionContext = null;
+			}
+		}
+	}
+	
+	private void processDirectory(File dir, Map<IExecutionContext, List<Path>> files)
+	{
+		for (File file : dir.listFiles())
+		{
+			if (file.isDirectory())
+			{
+				processDirectory(file, files);
+			}
+			else
+			{
+				processFile(file, files);
+			}
+		}
+	}
+	
+	private void processFile(File file, Map<IExecutionContext, List<Path>> files)
+	{
+		switch (file.getName())
+		{
+			case "package-info.java":
+			case "MasterHandler.java":
+			case "EffectMasterHandler.java":
+			case "SkillConditionMasterHandler.java":
+			case "ConditionMasterHandler.java":
+			case "OneDayRewardMasterHandler.java":
+			{
+				return;
+			}
+		}
+		
+		Path sourceFile = file.toPath();
+		try
+		{
+			checkExistingFile("ScriptFile", sourceFile);
+		}
+		catch (Exception e)
+		{
+			LOGGER.warning(e.getMessage());
+			return;
+		}
+		
+		sourceFile = sourceFile.toAbsolutePath();
+		final String ext = getFileExtension(sourceFile);
+		if (ext == null)
+		{
+			LOGGER.warning("ScriptFile: " + sourceFile + " does not have an extension to determine the script engine!");
+			return;
+		}
+		
+		final IExecutionContext engine = getEngineByExtension(ext);
+		if (engine == null)
+		{
+			return;
+		}
+		
+		files.computeIfAbsent(engine, k -> new LinkedList<>()).add(sourceFile);
+	}
+	
+	public void executeScript(Path sourceFile) throws Exception
+	{
+		Objects.requireNonNull(sourceFile);
+		
+		if (!sourceFile.isAbsolute())
+		{
+			sourceFile = SCRIPT_FOLDER.resolve(sourceFile);
+		}
+		
+		// throws exception if not exists or not file
+		checkExistingFile("ScriptFile", sourceFile);
+		
+		sourceFile = sourceFile.toAbsolutePath();
+		final String ext = getFileExtension(sourceFile);
+		Objects.requireNonNull(sourceFile, "ScriptFile: " + sourceFile + " does not have an extension to determine the script engine!");
+		
+		final IExecutionContext engine = getEngineByExtension(ext);
+		Objects.requireNonNull(engine, "ScriptEngine: No engine registered for extension " + ext + "!");
+		
+		_currentExecutionContext = engine;
+		try
+		{
+			final Entry<Path, Throwable> error = engine.executeScript(sourceFile);
+			if (error != null)
+			{
+				throw new Exception("ScriptEngine: " + error.getKey() + " failed execution!", error.getValue());
+			}
+		}
+		finally
+		{
+			_currentExecutionContext = null;
+		}
+	}
+	
+	public Path getCurrentLoadingScript()
+	{
+		return _currentExecutionContext != null ? _currentExecutionContext.getCurrentExecutingScript() : null;
+	}
+	
+	public static ScriptEngineManager getInstance()
+	{
+		return SingletonHolder._instance;
+	}
+	
+	private static class SingletonHolder
+	{
+		protected static final ScriptEngineManager _instance = new ScriptEngineManager();
+	}
+}

trunk/java/com/l2jmobius/gameserver/scripting/annotations/Disabled.java

@@ -0,0 +1,32 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * 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 com.l2jmobius.gameserver.scripting.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * @author UnAfraid
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface Disabled
+{
+	
+}

trunk/java/com/l2jmobius/gameserver/scripting/java/JavaCompilerException.java

@@ -1,47 +1,28 @@
-/*
- * This file is part of the L2J Mobius project.
- * 
- * 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 com.l2jmobius.gameserver.scripting;
-
-import java.util.Map;
-
-import com.l2jmobius.gameserver.model.events.AbstractScript;
-
-/**
- * @author KenM
- * @param <S>
- */
-public abstract class ScriptManager<S extends AbstractScript>
-{
-	public abstract Map<String, S> getScripts();
-	
-	public boolean reload(S ms)
-	{
-		return ms.reload();
-	}
-	
-	public boolean unload(S ms)
-	{
-		return ms.unload();
-	}
-	
-	public void setActive(S ms, boolean status)
-	{
-		ms.setActive(status);
-	}
-	
-	public abstract String getScriptManagerName();
-}
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * 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 com.l2jmobius.gameserver.scripting.java;
+
+/**
+ * @author HorridoJoho
+ */
+public final class JavaCompilerException extends RuntimeException
+{
+	public JavaCompilerException(String diagnostics)
+	{
+		super(diagnostics);
+	}
+}

trunk/java/com/l2jmobius/gameserver/scripting/java/JavaExecutionContext.java

@@ -0,0 +1,249 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * 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 com.l2jmobius.gameserver.scripting.java;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Path;
+import java.util.Arrays;
+import java.util.LinkedHashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.logging.Logger;
+
+import javax.tools.Diagnostic;
+import javax.tools.DiagnosticCollector;
+import javax.tools.JavaFileObject;
+
+import com.l2jmobius.gameserver.scripting.AbstractExecutionContext;
+import com.l2jmobius.gameserver.scripting.annotations.Disabled;
+
+/**
+ * @author HorridoJoho
+ */
+public final class JavaExecutionContext extends AbstractExecutionContext<JavaScriptingEngine>
+{
+	private static final Logger LOGGER = Logger.getLogger(JavaExecutionContext.class.getName());
+	
+	JavaExecutionContext(JavaScriptingEngine engine)
+	{
+		super(engine);
+	}
+	
+	private boolean addOptionIfNotNull(List<String> list, String nullChecked, String before)
+	{
+		if (nullChecked == null)
+		{
+			return false;
+		}
+		
+		if (before.endsWith(":"))
+		{
+			list.add(before + nullChecked);
+		}
+		else
+		{
+			list.add(before);
+			list.add(nullChecked);
+		}
+		
+		return true;
+	}
+	
+	private ClassLoader determineScriptParentClassloader()
+	{
+		final String classloader = getProperty("classloader");
+		if (classloader == null)
+		{
+			return ClassLoader.getSystemClassLoader();
+		}
+		
+		switch (classloader)
+		{
+			case "ThreadContext":
+				return Thread.currentThread().getContextClassLoader();
+			case "System":
+				return ClassLoader.getSystemClassLoader();
+			default:
+				try
+				{
+					return Class.forName(classloader).getClassLoader();
+				}
+				catch (ClassNotFoundException e)
+				{
+					return ClassLoader.getSystemClassLoader();
+				}
+		}
+	}
+	
+	@Override
+	public Map<Path, Throwable> executeScripts(Iterable<Path> sourcePaths) throws Exception
+	{
+		final DiagnosticCollector<JavaFileObject> fileManagerDiagnostics = new DiagnosticCollector<>();
+		final DiagnosticCollector<JavaFileObject> compilationDiagnostics = new DiagnosticCollector<>();
+		
+		try (ScriptingFileManager fileManager = new ScriptingFileManager(getScriptingEngine().getCompiler().getStandardFileManager(fileManagerDiagnostics, null, StandardCharsets.UTF_8)))
+		{
+			final List<String> options = new LinkedList<>();
+			addOptionIfNotNull(options, getProperty("source"), "-source");
+			addOptionIfNotNull(options, getProperty("sourcepath"), "-sourcepath");
+			if (!addOptionIfNotNull(options, getProperty("cp"), "-cp") && !addOptionIfNotNull(options, getProperty("classpath"), "-classpath"))
+			{
+				addOptionIfNotNull(options, System.getProperty("java.class.path"), "-cp");
+			}
+			addOptionIfNotNull(options, getProperty("g"), "-g:");
+			
+			// we always add the target JVM to the current running version
+			final String targetVersion = System.getProperty("java.specification.version");
+			if (!targetVersion.contains("."))
+			{
+				options.add("-target");
+				options.add(targetVersion);
+			}
+			else
+			{
+				final String[] versionSplit = targetVersion.split("\\.");
+				if (versionSplit.length > 1)
+				{
+					options.add("-target");
+					options.add(versionSplit[0] + '.' + versionSplit[1]);
+				}
+				else
+				{
+					throw new JavaCompilerException("Could not determine target version!");
+				}
+			}
+			
+			// we really need an iterable of files or strings
+			final List<String> sourcePathStrings = new LinkedList<>();
+			for (Path sourcePath : sourcePaths)
+			{
+				sourcePathStrings.add(sourcePath.toString());
+			}
+			
+			final StringWriter strOut = new StringWriter();
+			final PrintWriter out = new PrintWriter(strOut);
+			final boolean compilationSuccess = getScriptingEngine().getCompiler().getTask(out, fileManager, compilationDiagnostics, options, null, fileManager.getJavaFileObjectsFromStrings(sourcePathStrings)).call();
+			if (!compilationSuccess)
+			{
+				out.println();
+				out.println("----------------");
+				out.println("File diagnostics");
+				out.println("----------------");
+				for (Diagnostic<? extends JavaFileObject> diagnostic : fileManagerDiagnostics.getDiagnostics())
+				{
+					out.println("\t" + diagnostic.getKind().toString() + ": " + diagnostic.getSource().getName() + ", Line " + diagnostic.getLineNumber() + ", Column " + diagnostic.getColumnNumber());
+					out.println("\t\tcode: " + diagnostic.getCode());
+					out.println("\t\tmessage: " + diagnostic.getMessage(null));
+				}
+				
+				out.println();
+				out.println("-----------------------");
+				out.println("Compilation diagnostics");
+				out.println("-----------------------");
+				for (Diagnostic<? extends JavaFileObject> diagnostic : compilationDiagnostics.getDiagnostics())
+				{
+					out.println("\t" + diagnostic.getKind().toString() + ": " + diagnostic.getSource().getName() + ", Line " + diagnostic.getLineNumber() + ", Column " + diagnostic.getColumnNumber());
+					out.println("\t\tcode: " + diagnostic.getCode());
+					out.println("\t\tmessage: " + diagnostic.getMessage(null));
+				}
+				
+				throw new JavaCompilerException(strOut.toString());
+			}
+			
+			final ClassLoader parentClassLoader = determineScriptParentClassloader();
+			
+			final Map<Path, Throwable> executionFailures = new LinkedHashMap<>();
+			final Iterable<ScriptingOutputFileObject> compiledClasses = fileManager.getCompiledClasses();
+			for (Path sourcePath : sourcePaths)
+			{
+				boolean found = false;
+				
+				for (ScriptingOutputFileObject compiledClass : compiledClasses)
+				{
+					final Path compiledSourcePath = compiledClass.getSourcePath();
+					// sourePath can be relative, so we have to use endsWith
+					if ((compiledSourcePath != null) && (compiledSourcePath.equals(sourcePath) || compiledSourcePath.endsWith(sourcePath)))
+					{
+						final String javaName = compiledClass.getJavaName();
+						if (javaName.indexOf('$') != -1)
+						{
+							continue;
+						}
+						
+						found = true;
+						setCurrentExecutingScript(compiledSourcePath);
+						try
+						{
+							final ScriptingClassLoader loader = new ScriptingClassLoader(parentClassLoader, compiledClasses);
+							final Class<?> javaClass = loader.loadClass(javaName);
+							Method mainMethod = null;
+							for (Method m : javaClass.getMethods())
+							{
+								if (m.getName().equals("main") && Modifier.isStatic(m.getModifiers()) && (m.getParameterCount() == 1) && (m.getParameterTypes()[0] == String[].class))
+								{
+									mainMethod = m;
+									break;
+								}
+							}
+							if ((mainMethod != null) && !javaClass.isAnnotationPresent(Disabled.class))
+							{
+								mainMethod.invoke(null, (Object) new String[]
+								{
+									compiledSourcePath.toString()
+								});
+							}
+						}
+						catch (Exception e)
+						{
+							executionFailures.put(compiledSourcePath, e);
+						}
+						finally
+						{
+							setCurrentExecutingScript(null);
+						}
+						
+						break;
+					}
+				}
+				
+				if (!found)
+				{
+					LOGGER.severe("Compilation successfull, but class coresponding to " + sourcePath.toString() + " not found!");
+				}
+			}
+			
+			return executionFailures;
+		}
+	}
+	
+	@Override
+	public Entry<Path, Throwable> executeScript(Path sourcePath) throws Exception
+	{
+		final Map<Path, Throwable> executionFailures = executeScripts(Arrays.asList(sourcePath));
+		if (!executionFailures.isEmpty())
+		{
+			return executionFailures.entrySet().iterator().next();
+		}
+		return null;
+	}
+}

trunk/java/com/l2jmobius/gameserver/scripting/java/JavaScriptingEngine.java

@@ -0,0 +1,138 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * 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 com.l2jmobius.gameserver.scripting.java;
+
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.ServiceLoader;
+
+import javax.lang.model.SourceVersion;
+import javax.tools.JavaCompiler;
+import javax.tools.ToolProvider;
+
+import com.l2jmobius.gameserver.scripting.AbstractScriptingEngine;
+import com.l2jmobius.gameserver.scripting.IExecutionContext;
+
+/**
+ * @author HorridoJoho
+ */
+public final class JavaScriptingEngine extends AbstractScriptingEngine
+{
+	private volatile JavaCompiler _compiler;
+	
+	public JavaScriptingEngine()
+	{
+		super("L2J Java Engine", "1.0", "java");
+	}
+	
+	private void determineCompilerOrThrow()
+	{
+		final String preferedCompiler = getProperty("preferedCompiler");
+		LinkedList<JavaCompiler> allCompilers = null;
+		
+		JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
+		if (compiler != null)
+		{
+			if ((preferedCompiler == null) || compiler.getClass().getName().equals(preferedCompiler))
+			{
+				_compiler = compiler;
+				return;
+			}
+			
+			allCompilers = new LinkedList<>();
+			allCompilers.add(compiler);
+		}
+		
+		final ServiceLoader<JavaCompiler> thirdPartyCompilers = ServiceLoader.load(JavaCompiler.class);
+		Iterator<JavaCompiler> compilersIterator = thirdPartyCompilers.iterator();
+		while (compilersIterator.hasNext())
+		{
+			compiler = compilersIterator.next();
+			if ((preferedCompiler == null) || compiler.getClass().getName().equals(preferedCompiler))
+			{
+				_compiler = compiler;
+				return;
+			}
+			
+			if (allCompilers == null)
+			{
+				allCompilers = new LinkedList<>();
+			}
+			allCompilers.add(compilersIterator.next());
+		}
+		
+		if (allCompilers != null)
+		{
+			compilersIterator = allCompilers.iterator();
+			while (compilersIterator.hasNext())
+			{
+				compiler = compilersIterator.next();
+				if ((preferedCompiler == null) || compiler.getClass().getName().equals(preferedCompiler))
+				{
+					break;
+				}
+			}
+		}
+		
+		if (compiler == null)
+		{
+			throw new IllegalStateException("No javax.tools.JavaCompiler service installed!");
+		}
+		
+		_compiler = compiler;
+	}
+	
+	private void ensureCompilerOrThrow()
+	{
+		if (_compiler == null)
+		{
+			synchronized (this)
+			{
+				if (_compiler == null)
+				{
+					determineCompilerOrThrow();
+				}
+			}
+		}
+	}
+	
+	JavaCompiler getCompiler()
+	{
+		return _compiler;
+	}
+	
+	@Override
+	public IExecutionContext createExecutionContext()
+	{
+		ensureCompilerOrThrow();
+		return new JavaExecutionContext(this);
+	}
+	
+	@Override
+	public String getLanguageName()
+	{
+		return "Java";
+	}
+	
+	@Override
+	public String getLanguageVersion()
+	{
+		ensureCompilerOrThrow();
+		return Arrays.deepToString(_compiler.getSourceVersions().toArray(new SourceVersion[0])).replace("RELEASE_", "");
+	}
+}

trunk/java/com/l2jmobius/gameserver/scripting/java/ScriptingClassLoader.java

@@ -0,0 +1,55 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * 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 com.l2jmobius.gameserver.scripting.java;
+
+import java.util.logging.Logger;
+
+/**
+ * @author HorridoJoho
+ */
+public final class ScriptingClassLoader extends ClassLoader
+{
+	public static final Logger LOGGER = Logger.getLogger(ScriptingClassLoader.class.getName());
+	
+	private Iterable<ScriptingOutputFileObject> _compiledClasses;
+	
+	ScriptingClassLoader(ClassLoader parent, Iterable<ScriptingOutputFileObject> compiledClasses)
+	{
+		super(parent);
+		_compiledClasses = compiledClasses;
+	}
+	
+	void removeCompiledClasses()
+	{
+		_compiledClasses = null;
+	}
+	
+	@Override
+	protected Class<?> findClass(String name) throws ClassNotFoundException
+	{
+		for (ScriptingOutputFileObject compiledClass : _compiledClasses)
+		{
+			if (compiledClass.getJavaName().equals(name))
+			{
+				final byte[] classBytes = compiledClass.getJavaData();
+				return defineClass(name, classBytes, 0, classBytes.length);
+			}
+		}
+		
+		return super.findClass(name);
+	}
+}

trunk/java/com/l2jmobius/gameserver/scripting/java/ScriptingFileManager.java

@@ -0,0 +1,185 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * 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 com.l2jmobius.gameserver.scripting.java;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Paths;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.Set;
+
+import javax.tools.FileObject;
+import javax.tools.JavaFileObject;
+import javax.tools.JavaFileObject.Kind;
+import javax.tools.StandardJavaFileManager;
+
+/**
+ * @author HorridoJoho
+ */
+final class ScriptingFileManager implements StandardJavaFileManager
+{
+	private final StandardJavaFileManager _wrapped;
+	private final LinkedList<ScriptingOutputFileObject> _classOutputs = new LinkedList<>();
+	
+	public ScriptingFileManager(StandardJavaFileManager wrapped)
+	{
+		_wrapped = wrapped;
+	}
+	
+	Iterable<ScriptingOutputFileObject> getCompiledClasses()
+	{
+		return Collections.unmodifiableCollection(_classOutputs);
+	}
+	
+	@Override
+	public int isSupportedOption(String option)
+	{
+		return _wrapped.isSupportedOption(option);
+	}
+	
+	@Override
+	public ClassLoader getClassLoader(Location location)
+	{
+		return _wrapped.getClassLoader(location);
+	}
+	
+	@Override
+	public Iterable<JavaFileObject> list(Location location, String packageName, Set<Kind> kinds, boolean recurse) throws IOException
+	{
+		return _wrapped.list(location, packageName, kinds, recurse);
+	}
+	
+	@Override
+	public String inferBinaryName(Location location, JavaFileObject file)
+	{
+		return _wrapped.inferBinaryName(location, file);
+	}
+	
+	@Override
+	public boolean isSameFile(FileObject a, FileObject b)
+	{
+		return _wrapped.isSameFile(a, b);
+	}
+	
+	@Override
+	public boolean handleOption(String current, Iterator<String> remaining)
+	{
+		return _wrapped.handleOption(current, remaining);
+	}
+	
+	@Override
+	public boolean hasLocation(Location location)
+	{
+		return _wrapped.hasLocation(location);
+	}
+	
+	@Override
+	public JavaFileObject getJavaFileForInput(Location location, String className, Kind kind) throws IOException
+	{
+		return _wrapped.getJavaFileForInput(location, className, kind);
+	}
+	
+	@Override
+	public JavaFileObject getJavaFileForOutput(Location location, String className, Kind kind, FileObject sibling) throws IOException
+	{
+		if (kind != Kind.CLASS)
+		{
+			return _wrapped.getJavaFileForOutput(location, className, kind, sibling);
+		}
+		
+		if (className.contains("/"))
+		{
+			className = className.replace('/', '.');
+		}
+		
+		ScriptingOutputFileObject fileObject;
+		if (sibling != null)
+		{
+			fileObject = new ScriptingOutputFileObject(Paths.get(sibling.getName()), className, className.substring(className.lastIndexOf('.') + 1));
+		}
+		else
+		{
+			fileObject = new ScriptingOutputFileObject(null, className, className.substring(className.lastIndexOf('.') + 1));
+		}
+		
+		_classOutputs.add(fileObject);
+		return fileObject;
+	}
+	
+	@Override
+	public FileObject getFileForInput(Location location, String packageName, String relativeName) throws IOException
+	{
+		return _wrapped.getFileForInput(location, packageName, relativeName);
+	}
+	
+	@Override
+	public FileObject getFileForOutput(Location location, String packageName, String relativeName, FileObject sibling) throws IOException
+	{
+		return _wrapped.getFileForOutput(location, packageName, relativeName, sibling);
+	}
+	
+	@Override
+	public void flush() throws IOException
+	{
+		_wrapped.flush();
+	}
+	
+	@Override
+	public void close() throws IOException
+	{
+		_wrapped.close();
+	}
+	
+	@Override
+	public Iterable<? extends JavaFileObject> getJavaFileObjectsFromFiles(Iterable<? extends File> files)
+	{
+		return _wrapped.getJavaFileObjectsFromFiles(files);
+	}
+	
+	@Override
+	public Iterable<? extends JavaFileObject> getJavaFileObjects(File... files)
+	{
+		return _wrapped.getJavaFileObjects(files);
+	}
+	
+	@Override
+	public Iterable<? extends JavaFileObject> getJavaFileObjectsFromStrings(Iterable<String> names)
+	{
+		return _wrapped.getJavaFileObjectsFromStrings(names);
+	}
+	
+	@Override
+	public Iterable<? extends JavaFileObject> getJavaFileObjects(String... names)
+	{
+		return _wrapped.getJavaFileObjects(names);
+	}
+	
+	@Override
+	public void setLocation(Location location, Iterable<? extends File> path) throws IOException
+	{
+		_wrapped.setLocation(location, path);
+		
+	}
+	
+	@Override
+	public Iterable<? extends File> getLocation(Location location)
+	{
+		return _wrapped.getLocation(location);
+	}
+}

trunk/java/com/l2jmobius/gameserver/scripting/java/ScriptingOutputFileObject.java

@@ -0,0 +1,147 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * 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 com.l2jmobius.gameserver.scripting.java;
+
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Reader;
+import java.io.Writer;
+import java.net.URI;
+import java.nio.file.Path;
+
+import javax.lang.model.element.Modifier;
+import javax.lang.model.element.NestingKind;
+import javax.tools.JavaFileObject;
+
+/**
+ * @author HorridoJoho
+ */
+final class ScriptingOutputFileObject implements JavaFileObject
+{
+	private final Path _sourcePath;
+	private final String _javaName;
+	private final String _javaSimpleName;
+	private final ByteArrayOutputStream _out;
+	
+	public ScriptingOutputFileObject(Path sourcePath, String javaName, String javaSimpleName)
+	{
+		_sourcePath = sourcePath;
+		_javaName = javaName;
+		_javaSimpleName = javaSimpleName;
+		_out = new ByteArrayOutputStream();
+	}
+	
+	public Path getSourcePath()
+	{
+		return _sourcePath;
+	}
+	
+	public String getJavaName()
+	{
+		return _javaName;
+	}
+	
+	public String getJavaSimpleName()
+	{
+		return _javaSimpleName;
+	}
+	
+	public byte[] getJavaData()
+	{
+		return _out.toByteArray();
+	}
+	
+	@Override
+	public URI toUri()
+	{
+		return null;
+	}
+	
+	@Override
+	public String getName()
+	{
+		return null;
+	}
+	
+	@Override
+	public InputStream openInputStream()
+	{
+		return null;
+	}
+	
+	@Override
+	public OutputStream openOutputStream()
+	{
+		return _out;
+	}
+	
+	@Override
+	public Reader openReader(boolean ignoreEncodingErrors)
+	{
+		return null;
+	}
+	
+	@Override
+	public CharSequence getCharContent(boolean ignoreEncodingErrors)
+	{
+		return null;
+	}
+	
+	@Override
+	public Writer openWriter()
+	{
+		return null;
+	}
+	
+	@Override
+	public long getLastModified()
+	{
+		return 0;
+	}
+	
+	@Override
+	public boolean delete()
+	{
+		return false;
+	}
+	
+	@Override
+	public Kind getKind()
+	{
+		return Kind.CLASS;
+	}
+	
+	@Override
+	public boolean isNameCompatible(String simpleName, Kind kind)
+	{
+		return (kind == Kind.CLASS) && (_javaSimpleName == simpleName);
+	}
+	
+	@Override
+	public NestingKind getNestingKind()
+	{
+		return NestingKind.TOP_LEVEL;
+	}
+	
+	@Override
+	public Modifier getAccessLevel()
+	{
+		return null;
+	}
+	
+}