/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2009, Red Hat, Inc. and/or its affiliates 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.test.annotations.entity;
import java.io.Serializable;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import org.hibernate.HibernateException;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.usertype.UserType;

/**
 * Used to persist and retrieve objects of type 'PhoneNumber' 
 *
 * @author Sharath Reddy 
 */
public class PhoneNumberType implements UserType {

	public int[] sqlTypes() {
		return new int[]{Types.VARCHAR};
	}

	public Class<?> returnedClass() {
		return PhoneNumber.class;
	}

	public boolean equals(Object x, Object y) throws HibernateException {
		return ( x == y ) || ( x != null && x.equals( y ) );
	}

	public int hashCode(Object x) throws HibernateException {
		return x.hashCode();
	}

	public Object nullSafeGet(ResultSet rs, String[] names, SessionImplementor session, Object owner) throws HibernateException, SQLException {
		String result = rs.getString( names[0] );
		if ( rs.wasNull() ) return null;
		
		if (result.length() <= 6) {
			return new PhoneNumber(result);
		}
		else {
			return new OverseasPhoneNumber(result);
		}
	}

	public void nullSafeSet(PreparedStatement st, Object value, int index, SessionImplementor session) throws HibernateException, SQLException {
		if ( value == null ) {
			st.setNull( index, sqlTypes()[0] );
			return;
		}
		
		PhoneNumber phoneNumber = (PhoneNumber) value;
		String number = phoneNumber.getNumber();
		st.setString( index, number);
	}

	public Object deepCopy(Object value) throws HibernateException {
		return value;
	}

	public boolean isMutable() {
		return false;
	}

	public Serializable disassemble(Object value) throws HibernateException {
		return (Serializable) value;
	}

	public Object assemble(Serializable cached, Object owner) throws HibernateException {
		return cached;
	}

	public Object replace(Object original, Object target, Object owner) throws HibernateException {
		return original;
	}

}