/*
 * Created on Sep 2, 2005
 *
 */
package plugin.lsttokens;

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

import pcgen.cdom.base.CDOMObject;
import pcgen.cdom.base.Constants;
import pcgen.cdom.enumeration.StringKey;
import pcgen.rules.context.LoadContext;
import pcgen.rules.persistence.token.AbstractNonEmptyToken;
import pcgen.rules.persistence.token.CDOMPrimaryToken;
import pcgen.rules.persistence.token.ParseResult;

/**
 * @author djones4
 *
 */
public class SourcepageLst extends AbstractNonEmptyToken<CDOMObject> implements
		CDOMPrimaryToken<CDOMObject>
{

	@Override
	public String getTokenName()
	{
		return "SOURCEPAGE";
	}

	@Override
	protected ParseResult parseNonEmptyToken(LoadContext context, CDOMObject cdo,
		String value)
	{
		if (Constants.LST_DOT_CLEAR.equals(value))
		{
			context.getObjectContext().remove(cdo, StringKey.SOURCE_PAGE);
		}
		else
		{
			context.getObjectContext().put(cdo, StringKey.SOURCE_PAGE, value);
		}
		return ParseResult.SUCCESS;
	}

	@Override
	public String[] unparse(LoadContext context, CDOMObject cdo)
	{
		String page = context.getObjectContext().getString(cdo,
			StringKey.SOURCE_PAGE);
		boolean removed =
				context.getObjectContext().wasRemoved(cdo,
					StringKey.SOURCE_PAGE);
		List<String> list = new ArrayList<>();
		if (removed)
		{
			list.add(Constants.LST_DOT_CLEAR);
		}
		if (page != null)
		{
			list.add(page);
		}
		if (list.isEmpty())
		{
			return null;
		}
		return list.toArray(new String[list.size()]);
	}

	@Override
	public Class<CDOMObject> getTokenClass()
	{
		return CDOMObject.class;
	}
}