DateTimeTypeConverter.java

/*
 * Copyright (c) 2014 Dennis Fischer.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0+
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 *
 * Contributors: Dennis Fischer
 */

package de.chaosfisch.util;

import com.google.gson.*;
import org.joda.time.DateTime;

import java.lang.reflect.Type;
import java.util.Date;

public class DateTimeTypeConverter implements JsonSerializer<DateTime>, JsonDeserializer<DateTime> {
	@Override
	public JsonElement serialize(final DateTime src, final Type typeOfSrc, final JsonSerializationContext context) {
		return new JsonPrimitive(src.toString());
	}

	@Override
	public DateTime deserialize(final JsonElement json, final Type typeOfT, final JsonDeserializationContext context) throws JsonParseException {
		try {
			return new DateTime(json.getAsString());
		} catch (final IllegalArgumentException e) {
			// May be it came in formatted as a java.util.Date, so try that
			final Date date = context.deserialize(json, Date.class);
			return new DateTime(date);
		}
	}
}