    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}