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    /**
019     * this implementation of the FieldConversion interface converts
020     * between java Boolean values and int values in the rdbms.
021     * @author              Thomas Mahler
022     * @version $Id: Boolean2IntFieldConversion.java,v 1.1 2007-08-24 22:17:31 ewestfal Exp $
023     */
024    public class Boolean2IntFieldConversion implements FieldConversion
025    {
026        private static Integer I_TRUE = new Integer(1);
027        private static Integer I_FALSE = new Integer(0);
028    
029        /*
030         * @see FieldConversion#javaToSql(Object)
031         */
032        public Object javaToSql(Object source)
033        {
034            if (source instanceof Boolean)
035            {
036                if (source.equals(Boolean.TRUE))
037                {
038                    return I_TRUE;
039                }
040                else
041                {
042                    return I_FALSE;
043                }
044            }
045            else
046            {
047                return source;
048            }
049        }
050    
051        /*
052         * @see FieldConversion#sqlToJava(Object)
053         */
054        public Object sqlToJava(Object source)
055        {
056            if (source instanceof Integer)
057            {
058                if (source.equals(I_TRUE))
059                {
060                    return Boolean.TRUE;
061                }
062                else
063                {
064                    return Boolean.FALSE;
065                }
066            }
067            else
068            {
069                return source;
070            }
071        }
072    
073    }