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https://github.com/encounter/engine.git
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Mikkel Nygaard Ravn
74de13c0bd
New concepts: FlutterMessageChannel (basic message send/receive superseding existing FlutterView methods), FlutterMethodChannel (method invocation and event streams), pluggable codecs for messages and method calls: unencoded binary, string, json, and 'standard' flutter binary encoding.
33 lines
1.0 KiB
Java
33 lines
1.0 KiB
Java
// Copyright 2017 The Chromium 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 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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ByteBuffer encodeMessage(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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T decodeMessage(ByteBuffer message);
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}
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