net.sourceforge.jbizmo.commons.jpa.converter.UUIDStringConverter Maven / Gradle / Ivy

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/*
 * This file is part of JBizMo, a set of tools, libraries and plug-ins
 * for modeling and creating Java-based enterprise applications.
 * For more information visit:
 *
 * http://sourceforge.net/projects/jbizmo/
 *
 * This software 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 2 of the License, or
 * (at your option) any later version.
 *
 * This software 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 software; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */
package net.sourceforge.jbizmo.commons.jpa.converter;

import jakarta.persistence.AttributeConverter;
import jakarta.persistence.Converter;
import java.util.UUID;

/**
 * 
 * Converter that is required for mapping fields of type {@link UUID} to a string
 * 
 * 
 * Copyright 2022 (C) by Martin Ganserer
 * 
 * @author Martin Ganserer
 * @version 1.0.0
 */
@Converter
public class UUIDStringConverter implements AttributeConverter {
	/*
	 * (non-Javadoc)
	 * @see jakarta.persistence.AttributeConverter#convertToDatabaseColumn(java.lang.Object)
	 */
	@Override
	public String convertToDatabaseColumn(UUID uuid) {
		if (uuid == null)
			return null;

		return uuid.toString();
	}

	/*
	 * (non-Javadoc)
	 * @see jakarta.persistence.AttributeConverter#convertToEntityAttribute(java.lang.Object)
	 */
	@Override
	public UUID convertToEntityAttribute(String dbData) {
		if (dbData == null)
			return null;

		return UUID.fromString(dbData);
	}

}