Java tutorial
/* * 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); } } }