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