org.openlmis.core.serializer.DateDeserializer.java Source code

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Here is the source code for org.openlmis.core.serializer.DateDeserializer.java

Source

/*
 * This program is part of the OpenLMIS logistics management information system platform software.
 * Copyright  2013 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.core.serializer;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;

import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

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

/**
 * DateDeserializer class represents the deserializer for Date.
 */

public class DateDeserializer extends JsonDeserializer<Date> {
    @Override
    public Date deserialize(JsonParser jsonparser, DeserializationContext deserializationcontext)
            throws IOException {
        try {
            if (isBlank(jsonparser.getText()))
                return null;
            return new Date(Long.parseLong(jsonparser.getText()));
        } catch (NumberFormatException e) {
            try {
                SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
                dateFormat.setTimeZone(TimeZone.getDefault());
                return dateFormat.parse(jsonparser.getText());
            } catch (ParseException ex) {
                throw new RuntimeException(ex);
            }
        }
    }
}