org.emonocot.model.convert.StringToDurationConverter.java Source code

Introduction

Here is the source code for org.emonocot.model.convert.StringToDurationConverter.java

Source

/*
 * This is eMonocot, a global online biodiversity information resource.
 *
 * Copyright  20112015 The Board of Trustees of the Royal Botanic Gardens, Kew and The University of Oxford
 *
 * eMonocot is free software: you can redistribute it and/or modify it under the terms of the
 * GNU Affero General Public License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * eMonocot is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * The complete text of the GNU Affero General Public License is in the source repository as the file
 * COPYING.  It is also available from <http://www.gnu.org/licenses/>.
 */
package org.emonocot.model.convert;

import org.joda.time.Duration;
import org.joda.time.format.ISOPeriodFormat;
import org.joda.time.format.PeriodFormatter;
import org.springframework.core.convert.converter.Converter;

public class StringToDurationConverter implements Converter<String, Duration> {

    private PeriodFormatter formatter = ISOPeriodFormat.standard();

    @Override
    public Duration convert(String source) {
        if (source == null || source.isEmpty()) {
            return null;
        } else {
            return Duration.standardSeconds(formatter.parsePeriod(source).toStandardSeconds().getSeconds());
        }
    }

}