mirror of
https://github.com/encounter/engine.git
synced 2026-03-30 11:09:55 -07:00
Matt Carroll
37 lines
1.1 KiB
Java
37 lines
1.1 KiB
Java
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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package io.flutter.plugin.common;
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import android.support.annotation.Nullable;
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import java.nio.ByteBuffer;
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/**
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* A message encoding/decoding mechanism.
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*
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* Both operations throw {@link IllegalArgumentException}, if conversion fails.
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*/
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public interface MessageCodec<T> {
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/**
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* Encodes the specified message into binary.
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*
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* @param message the T message, possibly null.
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* @return a ByteBuffer containing the encoding between position 0 and
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* the current position, or null, if message is null.
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*/
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@Nullable
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ByteBuffer encodeMessage(@Nullable T message);
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/**
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* Decodes the specified message from binary.
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*
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* @param message the {@link ByteBuffer} message, possibly null.
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* @return a T value representation of the bytes between the given buffer's current
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* position and its limit, or null, if message is null.
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*/
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@Nullable
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T decodeMessage(@Nullable ByteBuffer message);
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}
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