| #region Copyright notice and license |
| |
| // Copyright 2015 gRPC authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #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); |
| } |
| } |
| } |
| } |