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/*
 * This file is part of the repicea library.
 *
 * Copyright (C) 2009-2016 Mathieu Fortin for Rouge-Epicea
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This library is distributed with 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 Lesser General Public
 * License for more details.
 *
 * Please see the license at http://www.gnu.org/copyleft/lesser.html.
 */
package repicea.simulation.treelogger;

import java.util.ArrayList;
import java.util.List;

public class TreeLoggerManager {

	private static final List TreeLoggerClassNames = new ArrayList();
	
	private static TreeLoggerManager Instance;
	
	private final List availableTreeLoggers;
	
	private TreeLoggerManager() {
		availableTreeLoggers = new ArrayList();
		for (String treeLoggerName : TreeLoggerClassNames) {
			try {
//				Class treeLoggerClass = ClassLoader.getSystemClassLoader().loadClass(treeLoggerName);
				Class treeLoggerClass = Class.forName(treeLoggerName);
				availableTreeLoggers.add(new TreeLoggerDescription(treeLoggerClass.getName()));
			} catch (Exception e) {
				System.out.println("Unable to load tree logger : " + treeLoggerName);
			}
		}
	}
	
	/**
	 * This method registers the tree logger name in order to load it afterwards.
	 * @param treeLoggerCompleteName the complete name e.g. repicea.simulation.treeLogger.MyTreeLogger
	 */
	public static void registerTreeLoggerName(String treeLoggerCompleteName) {
		TreeLoggerClassNames.add(treeLoggerCompleteName);
	}
	
	
	
	/**
	 * This method returns the TreeLoggerDescription instances that are compatible with
	 * the reference object.
	 * @param check a TreeLoggerCompatibilityCheck instance
	 * @return a List of TreeLoggerDescription instances
	 */
	@SuppressWarnings("rawtypes")
	public List getCompatibleTreeLoggers(TreeLoggerCompatibilityCheck check) {
		List outputList = new ArrayList();		
		for (TreeLoggerDescription treeLoggerDescription : availableTreeLoggers) {
			TreeLogger treeLogger = treeLoggerDescription.instantiateTreeLogger(false);
			if (treeLogger.isCompatibleWith(check)) {
				outputList.add(treeLoggerDescription);
			}
		}
		return outputList;
	}
	
	public static TreeLoggerManager getInstance() {
		if (Instance == null) {
			Instance = new TreeLoggerManager();
		}
		return Instance;
	}
	
	public static void main(String[] args) {
		TreeLoggerManager.getInstance();
	}
	
}