001    package org.apache.ojb.broker.accesslayer.conversions;
002    
003    /* Copyright 2002-2005 The Apache Software Foundation
004     *
005     * Licensed under the Apache License, Version 2.0 (the "License");
006     * you may not use this file except in compliance with the License.
007     * You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    import java.io.Serializable;
019    
020    import org.apache.commons.lang.SerializationUtils;
021    
022    /**
023     * This implementation of the FieldConversion interface converts
024     * between java.lang.Objects values and byte[] values in the rdbms.
025     * This conversion is useful to store serialized objects in database
026     * columns.
027     */
028    public class Object2ByteArrUncompressedFieldConversion implements FieldConversion
029    {
030    
031        /*
032         * @see FieldConversion#javaToSql(Object)
033         */
034        public Object javaToSql(Object source)
035        {
036            if (source == null)
037                return null;
038            try
039            {
040                return SerializationUtils.serialize((Serializable) source);
041            }
042            catch(Throwable t)
043            {
044                throw new ConversionException(t);
045            }
046        }
047    
048        /*
049         * @see FieldConversion#sqlToJava(Object)
050         */
051        public Object sqlToJava(Object source)
052        {
053            if(source == null)
054                return null;
055            try
056            {
057                return SerializationUtils.deserialize((byte[]) source);
058            }
059            catch(Throwable t)
060            {
061                throw new ConversionException(t);
062            }
063        }
064    
065    }