org.openlmis.converter.DirectDateTypeConverter.java Source code

Introduction

Here is the source code for org.openlmis.converter.DirectDateTypeConverter.java

Source

/*
 * This program is part of the OpenLMIS logistics management information system platform software.
 * Copyright  2017 VillageReach
 *
 * This program 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.
 * 
 * This program 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. You should have received a copy of
 * the GNU Affero General Public License along with this program. If not, see
 * http://www.gnu.org/licenses. For additional information contact info@OpenLMIS.org.
 */

package org.openlmis.converter;

import static org.apache.commons.lang3.StringUtils.isBlank;

import org.springframework.stereotype.Component;

import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;

import javax.json.JsonObjectBuilder;

@Component
class DirectDateTypeConverter extends BaseTypeConverter {
    private static final String[] DATE_FORMATS = new String[] { "yyyy-M-d", "yy-M-d", "M/d/yyyy", "M/d/yy" };

    @Override
    public boolean supports(String type) {
        return "DIRECT_DATE".equalsIgnoreCase(type);
    }

    @Override
    public void convert(JsonObjectBuilder builder, Mapping mapping, String value) {
        if (isBlank(value) || "null".equals(value)) {
            logger.debug("Blank/null value for field: {}", mapping.getTo());
            return;
        }

        String date = parseDate(value);

        if (null == date || "null".equals(date)) {
            logger.debug("Can't parse date {} for field: {}", value, mapping.getTo());
            return;
        }

        builder.add(mapping.getTo(), date);
    }

    private String parseDate(String value) {
        LocalDate date = null;

        for (String format : DATE_FORMATS) {
            try {
                date = LocalDate.parse(value, DateTimeFormatter.ofPattern(format));
                break;
            } catch (DateTimeParseException exp) {
                date = null;
                logger.debug("Can't parse date {} with format {}", value, format, exp);
            }
        }

        return null == date ? null : date.format(DateTimeFormatter.ISO_DATE);
    }

}