com.tomtom.speedtools.xmladapters.DateTimeZoneAdapter Maven / Gradle / Ivy

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Consists of a lot of handy classes and utilities for your main Java application, like buffers, checksum calculations, locale handling, time conversion and more.

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/*
 * Copyright (C) 2012-2019, TomTom (http://tomtom.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.tomtom.speedtools.xmladapters;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import org.joda.time.DateTimeZone;

import javax.annotation.Nullable;
import java.io.IOException;

/**
 * Adapter class for serializing and deserializing time zones in XML/JSON.
 */
public class DateTimeZoneAdapter {

    public static class JsonDateTimeZoneSerializer extends JsonSerializer {

        @SuppressWarnings({"OverlyBroadThrowsClause", "SuppressionAnnotation"})
        @Override
        public void serialize(final DateTimeZone t, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider) throws IOException {
            jsonGenerator.writeString(t.getID());
        }
    }

    public static class JsonDateTimeZoneDeserializer extends JsonDeserializer {

        @Nullable
        @SuppressWarnings({"OverlyBroadThrowsClause", "SuppressionAnnotation"})
        @Override
        public DateTimeZone deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException {
            final String text = jsonParser.getText();
            if (text == null) {
                return null;
            }
            return DateTimeZone.forID(text);
        }
    }
}