EnumConverter.java

/*
 * Copyright (c) 2009, SQL Power Group Inc.
 *
 * This file is part of SQL Power Library.
 *
 * SQL Power Library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * SQL Power 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. 
 */

package ca.sqlpower.dao.session;

import org.apache.commons.beanutils.ConversionException;

public class EnumConverter<T extends Enum<?>> implements BidirectionalConverter<String, T> {

	/**
	 * The class type that this enum converter can convert to.
	 */
	@SuppressWarnings("unchecked")
	private final Class enumType;

	public EnumConverter(Class<T> enumType) {
		this.enumType = enumType;
	}

	@SuppressWarnings("unchecked")
	public T convertToComplexType(String convertFrom)
			throws ConversionException {
		return (T) Enum.valueOf(enumType, convertFrom);
	}

	public String convertToSimpleType(T convertFrom, Object ... additionalInfo) {
		return convertFrom.name();
	}

}