/*
 * Copyright 2007, 2008 (C) Tom Parker <thpr@users.sourceforge.net>
 * 
 * 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 2.1 of the License, or (at your option)
 * any later version.
 * 
 * This library 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 Lesser General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package pcgen.cdom.list;

import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;

import pcgen.cdom.base.CDOMListObject;
import pcgen.cdom.enumeration.Type;
import pcgen.core.Skill;

/**
 * ClassSkillList is a CDOMListObject designed to reference a List of Skill
 * objects.
 * 
 * A ClassSkillList is effectively a specialized SkillList that represents Skill
 * objects associated with a particular PCClass.
 */
public class ClassSkillList extends CDOMListObject<Skill>
{
	private Set<Type> types;

	/**
	 * Returns the Skill Class object (Skill.class)
	 * 
	 * @return the Skill Class object (Skill.class)
	 */
	@Override
	public Class<Skill> getListClass()
	{
		return Skill.class;
	}

	/**
	 * Lists never have a Type, so this returns false
	 */
	@Override
	public boolean isType(String type)
	{
		if ((type.isEmpty()) || (types == null))
		{
			return false;
		}

		//
		// Must match all listed types in order to qualify
		//
		StringTokenizer tok = new StringTokenizer(type, ".");
		while (tok.hasMoreTokens())
		{
			if (!types.contains(Type.getConstant(tok.nextToken())))
			{
				return false;
			}
		}
		return true;
	}

	public void addType(Type type)
	{
		if (types == null)
		{
			types = new HashSet<>();
		}
		types.add(type);
	}

}