107 lines
3.7 KiB
C#
107 lines
3.7 KiB
C#
#region Copyright notice and license
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// Copyright 2015, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#endregion
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using System;
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using Grpc.Core.Utils;
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namespace Grpc.Core
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{
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/// <summary>
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/// Encapsulates the logic for serializing and deserializing messages.
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/// </summary>
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public class Marshaller<T>
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{
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readonly Func<T, byte[]> serializer;
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readonly Func<byte[], T> deserializer;
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/// <summary>
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/// Initializes a new marshaller.
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/// </summary>
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/// <param name="serializer">Function that will be used to serialize messages.</param>
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/// <param name="deserializer">Function that will be used to deserialize messages.</param>
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public Marshaller(Func<T, byte[]> serializer, Func<byte[], T> deserializer)
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{
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this.serializer = GrpcPreconditions.CheckNotNull(serializer, "serializer");
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this.deserializer = GrpcPreconditions.CheckNotNull(deserializer, "deserializer");
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}
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/// <summary>
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/// Gets the serializer function.
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/// </summary>
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public Func<T, byte[]> Serializer
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{
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get
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{
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return this.serializer;
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}
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}
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/// <summary>
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/// Gets the deserializer function.
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/// </summary>
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public Func<byte[], T> Deserializer
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{
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get
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{
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return this.deserializer;
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}
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}
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}
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/// <summary>
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/// Utilities for creating marshallers.
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/// </summary>
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public static class Marshallers
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{
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/// <summary>
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/// Creates a marshaller from specified serializer and deserializer.
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/// </summary>
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public static Marshaller<T> Create<T>(Func<T, byte[]> serializer, Func<byte[], T> deserializer)
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{
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return new Marshaller<T>(serializer, deserializer);
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}
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/// <summary>
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/// Returns a marshaller for <c>string</c> type. This is useful for testing.
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/// </summary>
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public static Marshaller<string> StringMarshaller
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{
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get
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{
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return new Marshaller<string>(System.Text.Encoding.UTF8.GetBytes,
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System.Text.Encoding.UTF8.GetString);
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}
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}
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}
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}
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