yagw2api.server.character.LocalDateTimeGSONAdapter.java Source code

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Here is the source code for yagw2api.server.character.LocalDateTimeGSONAdapter.java

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package yagw2api.server.character;

/*
 * @formatter:off<~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * yagw2api.server
 * _____________________________________________________________
 * Copyright (C) 2012 - 2015 Julian Stitz
 * _____________________________________________________________
 * 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.
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~>@formatter:on
 */

import java.io.IOException;
import java.time.LocalDateTime;
import java.time.ZoneOffset;

import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonToken;
import com.google.gson.stream.JsonWriter;

public final class LocalDateTimeGSONAdapter extends TypeAdapter<LocalDateTime> {

    @Override
    public void write(final JsonWriter writer, final LocalDateTime value) throws IOException {
        if (value == null) {
            writer.nullValue();
        } else {
            writer.value(value.toEpochSecond(ZoneOffset.UTC));
        }
    }

    @Override
    public LocalDateTime read(final JsonReader reader) throws IOException {
        if (reader.peek() == JsonToken.NULL) {
            reader.nextNull();
            return null;
        } else {
            return LocalDateTime.ofEpochSecond(reader.nextLong(), 0, ZoneOffset.UTC);
        }
    }
}