001/**
002 * Copyright 2005-2018 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.core.framework.persistence.ojb.conversion;
017
018import org.apache.ojb.broker.accesslayer.conversions.FieldConversion;
019
020public abstract class OjbCharBooleanConversionBase implements FieldConversion {
021
022    protected abstract String getTrueValue();
023
024    protected abstract String getFalseValue();
025
026
027    /**
028     * @see FieldConversion#javaToSql(Object)
029     */
030    public Object javaToSql(Object source) {
031        Object result = source;
032        if (source instanceof Boolean) {
033            if (source != null) {
034                Boolean b = (Boolean) source;
035                result = b.booleanValue() ? getTrueValue() : getFalseValue();
036            }
037        }
038        return result;
039    }
040
041    /**
042     * @see FieldConversion#sqlToJava(Object)
043     */
044    public Object sqlToJava(Object source) {
045        Object result = source;
046        if (source instanceof String) {
047            if (source != null) {
048                String s = (String) source;
049                result = getTrueValue().equals(s) ? Boolean.TRUE : getFalseValue().equals(s) ? Boolean.FALSE : null;
050                if (result == null) {
051                    throw new RuntimeException("Expected '" + getTrueValue() + "' or '" + getFalseValue() + "' but saw '" + source + "'");
052                }
053            }
054        }
055        return result;
056    }
057
058}