io.morea.handy.android.DateSerializer.java Source code

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Here is the source code for io.morea.handy.android.DateSerializer.java

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/*
 * Copyright 2015 the original author or authors.
 *
 * 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 io.morea.handy.android;

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

/**
 * Serializer for GSON that serializes @{link Date}s into ISO 8601 timestamps and vice versa.
 *
 * @author Andreas Ahlenstorf
 */
class DateSerializer implements JsonSerializer<Date>, JsonDeserializer<Date> {

    @Override
    public JsonElement serialize(Date src, Type typeOfSrc, JsonSerializationContext context) {
        return new JsonPrimitive(Util.iso8601Date(src));
    }

    @Override
    public Date deserialize(JsonElement jsonElement, Type type,
            JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
        try {
            return Util.dateFromIso8601(jsonElement.getAsJsonPrimitive().getAsString());
        } catch (ParseException e) {
            throw new JsonParseException(e);
        }
    }
}