ZuluDateTimeDeserializer.java

/*
 * Copyright 2013-2015 The GDG Frisbee Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gdg.frisbee.android.api.deserializer;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;

import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

import java.lang.reflect.Type;

public class ZuluDateTimeDeserializer implements JsonDeserializer<DateTime>, JsonSerializer<DateTime> {

    //2013-05-15T16:30:00.000Z
    public static final DateTimeFormatter DATE_TIME_FORMATTER =
        DateTimeFormat.forPattern("YYYY-MM-dd'T'HH:mm:ss.SSS'Z'");

    @Override
    public DateTime deserialize(JsonElement jsonElement,
                                Type type,
                                JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
        return DATE_TIME_FORMATTER.parseDateTime(jsonElement.getAsJsonPrimitive().getAsString());
    }

    @Override
    public JsonElement serialize(DateTime src, Type typeOfSrc, JsonSerializationContext context) {
        return new JsonPrimitive(src.toString(DATE_TIME_FORMATTER));
    }
}