org.soulwing.jawb.poi.ApachePoiDateTimeConverter.java Source code

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Here is the source code for org.soulwing.jawb.poi.ApachePoiDateTimeConverter.java

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/*
 * File created on Dec 24, 2013 
 *
 * Copyright (c) 2013 Carl Harris, Jr.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package org.soulwing.jawb.poi;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;

import org.apache.poi.ss.usermodel.DateUtil;
import org.soulwing.jawb.spi.DateTimeConverter;

/**
 * A {@link DateTimeConverter} implementation that utilizes POI's
 * {@link DateUtil}.
 *
 * @author Carl Harris
 */
class ApachePoiDateTimeConverter implements DateTimeConverter {

    /**
     * {@inheritDoc}
     */
    @Override
    public double convertDate(String date) {
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
        try {
            return DateUtil.getExcelDate(df.parse(date));
        } catch (ParseException ex) {
            throw new IllegalArgumentException("invalid date format");
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public double convertTime(String time) {
        return DateUtil.convertTime(time);
    }

}