WrapperBinaryType.java

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Middleware LLC.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program 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 distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 *
 */
package org.hibernate.type;

import org.hibernate.HibernateException;

/**
 * @author Emmanuel Bernard
 */
public class WrapperBinaryType extends AbstractBynaryType {
	protected Object toExternalFormat(byte[] bytes) {
		if (bytes == null) return null;
		int length = bytes.length;
		Byte[] result = new Byte[length];
		for ( int index = 0; index < length ; index++ ) {
			result[index] = new Byte( bytes[index] );
		}
		return result;
	}

	protected byte[] toInternalFormat(Object val) {
		if (val == null) return null;
		Byte[] bytes = (Byte[]) val;
		int length = bytes.length;
		byte[] result = new byte[length];
		for ( int i = 0; i < length ; i++ ) {
			if (bytes[i] == null)
				throw new HibernateException("Unable to store an Byte[] when one of its element is null");
			result[i] = bytes[i].byteValue();
		}
		return result;
	}

	public Class getReturnedClass() {
		return Byte[].class;
	}

	public String getName() {
		//TODO find a decent name before documenting
		return "wrapper-binary";
	}
}