/*
 * Copyright 2010 (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.choiceset;

import java.util.Collection;

import pcgen.cdom.base.PrimitiveChoiceSet;
import pcgen.cdom.base.PrimitiveCollection;
import pcgen.cdom.converter.DereferencingConverter;
import pcgen.cdom.enumeration.GroupingState;
import pcgen.core.PlayerCharacter;

public class CollectionToChoiceSet<T> implements PrimitiveChoiceSet<T>
{
	private final PrimitiveCollection<T> primitive;

	public CollectionToChoiceSet(PrimitiveCollection<T> prim)
	{
		if (prim == null)
		{
			throw new IllegalArgumentException(
					"PrimitiveCollection cannot be null");
		}
		primitive = prim;
	}

	@Override
	public Class<? super T> getChoiceClass()
	{
		return primitive.getReferenceClass();
	}

	@Override
	public GroupingState getGroupingState()
	{
		return primitive.getGroupingState();
	}

	@Override
	public String getLSTformat(boolean useAny)
	{
		return primitive.getLSTformat(useAny);
	}

	@Override
	public Collection<? extends T> getSet(PlayerCharacter pc)
	{
		return primitive.getCollection(pc, new DereferencingConverter<>(pc));
	}

	/**
	 * Returns the consistent-with-equals hashCode for this
	 * CollectionToChoiceSet
	 * 
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode()
	{
		return primitive.hashCode();
	}

	/**
	 * Returns true if this CollectionToChoiceSet is equal to the given Object.
	 * Equality is defined as being another CollectionToChoiceSet object with
	 * equal underlying contents.
	 * 
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object obj)
	{
		return (obj instanceof CollectionToChoiceSet)
				&& ((CollectionToChoiceSet<?>) obj).primitive.equals(primitive);
	}
}