AbilityLoader.java example

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/*
 * AbilityLoader.java
 * Copyright 2013 (C) James Dempsey <jdempsey@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
 *
 * Created on 17/11/2013
 *
 * $Id$
 */
package pcgen.gui2.converter.loader;

import java.io.Writer;
import java.util.List;

import pcgen.cdom.base.CDOMObject;
import pcgen.cdom.base.Category;
import pcgen.cdom.enumeration.ListKey;
import pcgen.core.Ability;
import pcgen.core.AbilityCategory;
import pcgen.gui2.converter.ConversionDecider;
import pcgen.persistence.PersistenceLayerException;
import pcgen.persistence.lst.CampaignSourceEntry;
import pcgen.rules.context.EditorLoadContext;

/**
 * AbilityLoader is an instance of BasicLoader that does extra processing to
 * properly process Ability files.
 * 
 * 
 * @author James Dempsey <jdempsey@users.sourceforge.net>
 */
public class AbilityLoader extends BasicLoader<Ability>
{
	private static final Class<AbilityCategory> ABILITY_CATEGORY_CLASS = AbilityCategory.class;

	private EditorLoadContext context;

	/**
	 * Create a new AbilityLoader instance.
	 * 
	 * @param lc The context being used to process the tokens. 
	 * @param cl The class of the objects to be processed.
	 * @param lk The key under which the files to be processed are stored.
	 * @param changeLogWriter The stream we will record any changes to.
	 */
	public AbilityLoader(EditorLoadContext lc, Class<Ability> cl,
		ListKey<CampaignSourceEntry> lk, Writer changeLogWriter)
	{
		super(lc, cl, lk, changeLogWriter);

		context = lc;
	}

	@Override
	public List<CDOMObject> process(StringBuilder sb, int line,
		String lineString, ConversionDecider decider)
		throws PersistenceLayerException, InterruptedException
	{
		// We do a scan for the category first and ensure the ability category is defined.
		String[] tokens = lineString.split(FIELD_SEPARATOR);
		for (String tok : tokens)
		{
			if (tok.startsWith("CATEGORY:"))
			{
				String abilityCatName = tok.substring(9);
				final Category<Ability> cat =
						context.getReferenceContext().silentlyGetConstructedCDOMObject(
							ABILITY_CATEGORY_CLASS, abilityCatName);
				if (cat == null)
				{
//					Logging.log(Logging.INFO, "Found new cat " + abilityCatName
//						+ " at line " + line + ": " + lineString);
					context.getReferenceContext().constructCDOMObject(
						ABILITY_CATEGORY_CLASS, abilityCatName);
				}

			}
		}

		return super.process(sb, line, lineString, decider);
	}

}