/*
 * Copyright 2020 Signal Messenger, LLC
 * SPDX-License-Identifier: AGPL-3.0-only
 */

package org.signal.storageservice.util;


import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
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.apache.commons.codec.binary.Base64;

import java.io.IOException;

public class ByteArrayAdapter {

  public static class Serializing extends JsonSerializer<byte[]> {
    @Override
    public void serialize(byte[] bytes, JsonGenerator jsonGenerator, SerializerProvider serializerProvider)
        throws IOException, JsonProcessingException
    {
      jsonGenerator.writeString(Base64.encodeBase64String(bytes));
    }
  }

  public static class Deserializing extends JsonDeserializer<byte[]> {
    @Override
    public byte[] deserialize(JsonParser jsonParser, DeserializationContext deserializationContext)
        throws IOException, JsonProcessingException
    {
      return Base64.decodeBase64(jsonParser.getValueAsString());
    }
  }
}