JodaTimeDateTimeDeserializer.java

/**
 * Copyright (C) 2016 eBusiness Information
 *
 * This file is part of OSM Contributor.
 *
 * OSM Contributor is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OSM Contributor 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OSM Contributor.  If not, see <http://www.gnu.org/licenses/>.
 */
package io.jawg.osmcontributor.rest.mappers;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;

import org.joda.time.DateTime;
import org.joda.time.format.ISODateTimeFormat;

import java.lang.reflect.Type;

import timber.log.Timber;

public class JodaTimeDateTimeDeserializer implements JsonDeserializer<DateTime> {

    @Override
    public DateTime deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
        DateTime dateTime = null;
        if (!json.isJsonNull()) {
            try {
                dateTime = DateTime.parse(json.getAsString(), ISODateTimeFormat.dateTime());
            } catch (Exception e) {
                Timber.e(e, "Joda-Time DateTime Transform failed.");
                throw new JsonParseException(e);
            }
        }
        return dateTime;
    }
}