org.restexpress.plugin.gson.json.GsonTimepointSerializer.java Source code

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Here is the source code for org.restexpress.plugin.gson.json.GsonTimepointSerializer.java

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/**
 *        Licensed to the Apache Software Foundation (ASF) under one
 *        or more contributor license agreements.  See the NOTICE file
 *        distributed with this work for additional information
 *        regarding copyright ownership.  The ASF licenses this file
 *        to you 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.restexpress.plugin.gson.json;

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

import org.restexpress.http.HttpDateTimeFormat;

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

/**
 * A GSON serializer for Date instances represented (and to be presented) as a timestamps (dates with time component).
 * 
 * @author <a href="mailto:jguibert@intelligents-ia.com" >Jerome Guibert</a>
 * @author toddf
 * @since Nov 13, 2009
 */
public class GsonTimepointSerializer implements GsonSerializer<Date> {
    @Override
    public Date deserialize(final JsonElement json, final Type typeOf, final JsonDeserializationContext context)
            throws JsonParseException {
        try {
            return HttpDateTimeFormat.parseAny(json.getAsJsonPrimitive().getAsString());
        } catch (final ParseException e) {
            throw new JsonParseException(e);
        }
    }

    @Override
    public JsonElement serialize(final Date date, final Type typeOf, final JsonSerializationContext context) {
        return new JsonPrimitive(HttpDateTimeFormat.ISO_8601.format(date));
    }

    @Override
    public Date createInstance(final Type typeOf) {
        return new Date();
    }
}