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 org.apache.commons.dbutils.PropertyHandler;
020
021import java.sql.Timestamp;
022import java.util.Date;
023
024/**
025 * {@link PropertyHandler} for date fields. Will convert {@link java.sql.Date}, {@link java.sql.Time}, and
026 * {@link java.sql.Timestamp} from SQL types to java types.
027 */
028public class DatePropertyHandler implements PropertyHandler {
029    @Override
030    public boolean match(final Class<?> parameter, final Object value) {
031        if (value instanceof Date) {
032            final String targetType = parameter.getName();
033            if ("java.sql.Date".equals(targetType)) {
034                return true;
035            } else
036            if ("java.sql.Time".equals(targetType)) {
037                return true;
038            } else
039            if ("java.sql.Timestamp".equals(targetType)
040                    && !Timestamp.class.isInstance(value)) {
041                return true;
042            }
043        }
044
045        return false;
046    }
047
048    @Override
049    public Object apply(final Class<?> parameter, Object value) {
050        final String targetType = parameter.getName();
051        final Date dateValue = (Date) value;
052        final long time = dateValue.getTime();
053
054        if ("java.sql.Date".equals(targetType)) {
055            value = new java.sql.Date(time);
056        } else
057        if ("java.sql.Time".equals(targetType)) {
058            value = new java.sql.Time(time);
059        } else
060        if ("java.sql.Timestamp".equals(targetType)) {
061            value = new Timestamp(time);
062        }
063
064        return value;
065    }
066}