// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package io.flutter.plugin.common;

import java.nio.ByteBuffer;

/**
 * A {@link MessageCodec} using unencoded binary messages, represented as {@link ByteBuffer}s.
 *
 * <p>This codec is guaranteed to be compatible with the corresponding <a
 * href="https://docs.flutter.io/flutter/services/BinaryCodec-class.html">BinaryCodec</a> on the
 * Dart side. These parts of the Flutter SDK are evolved synchronously.
 *
 * <p>On the Dart side, messages are represented using {@code ByteData}.
 */
public final class BinaryCodec implements MessageCodec<ByteBuffer> {
  // This codec must match the Dart codec of the same name in package flutter/services.
  public static final BinaryCodec INSTANCE = new BinaryCodec();

  private BinaryCodec() {}

  @Override
  public ByteBuffer encodeMessage(ByteBuffer message) {
    return message;
  }

  @Override
  public ByteBuffer decodeMessage(ByteBuffer message) {
    return message;
  }
}