001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  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 */
017package org.apache.commons.dbutils.handlers.properties;
018
019import java.sql.Timestamp;
020import java.util.Date;
021
022import org.apache.commons.dbutils.PropertyHandler;
023
024/**
025 * {@link PropertyHandler} for date fields. Will convert {@link java.sql.Date}, {@link java.sql.Time}, and {@link java.sql.Timestamp} from SQL types to java
026 * types.
027 */
028public class DatePropertyHandler implements PropertyHandler {
029
030    private static final String JAVA_SQL_TIMESTAMP = "java.sql.Timestamp";
031    private static final String JAVA_SQL_TIME = "java.sql.Time";
032    private static final String JAVA_SQL_DATE = "java.sql.Date";
033
034    @Override
035    public Object apply(final Class<?> parameter, Object value) {
036        final String targetType = parameter.getName();
037        final Date dateValue = (Date) value;
038        final long time = dateValue.getTime();
039
040        if (JAVA_SQL_DATE.equals(targetType)) {
041            value = new java.sql.Date(time);
042        } else if (JAVA_SQL_TIME.equals(targetType)) {
043            value = new java.sql.Time(time);
044        } else if (JAVA_SQL_TIMESTAMP.equals(targetType)) {
045            value = new Timestamp(time);
046        }
047
048        return value;
049    }
050
051    @Override
052    public boolean match(final Class<?> parameter, final Object value) {
053        if (value instanceof Date) {
054            final String targetType = parameter.getName();
055            if (JAVA_SQL_DATE.equals(targetType)) {
056                return true;
057            }
058            if (JAVA_SQL_TIME.equals(targetType)) {
059                return true;
060            }
061            if (JAVA_SQL_TIMESTAMP.equals(targetType) && !Timestamp.class.isInstance(value)) {
062                return true;
063            }
064        }
065
066        return false;
067    }
068}