com.bccriskadvisory.link.rest.gson.ZonedDateTimeAdapter.java Source code

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Here is the source code for com.bccriskadvisory.link.rest.gson.ZonedDateTimeAdapter.java

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/**
 * Copyright (C) 2015 BCC Risk Advisory (info@bccriskadvisory.com)
 *
 * 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 com.bccriskadvisory.link.rest.gson;

import java.lang.reflect.Type;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
import java.time.temporal.TemporalAccessor;

import com.bccriskadvisory.link.utility.AbstractLogSupported;
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;

public class ZonedDateTimeAdapter extends AbstractLogSupported
        implements JsonDeserializer<ZonedDateTime>, JsonSerializer<ZonedDateTime> {

    public static final DateTimeFormatter JSON_PATTERN = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSX");

    @Override
    public ZonedDateTime deserialize(JsonElement element, Type type, JsonDeserializationContext context)
            throws JsonParseException {
        String date = element.getAsString();

        try {
            TemporalAccessor parse = JSON_PATTERN.parse(date);
            return ZonedDateTime.from(parse);
        } catch (DateTimeParseException e) {
            getLog().error("Unable to parse date due to:", e);
            return null;
        }
    }

    @Override
    public JsonElement serialize(ZonedDateTime src, Type type, JsonSerializationContext context) {
        return new JsonPrimitive(JSON_PATTERN.format(src));
    }
}