Pack/Unpack implementation for Any.
We still need the JSON representation, which relies on something like a DescriptorPool to fetch message types from based on the type URL. That will come a bit later. (The DescriptorPool comment in this commit is just a note which will prove useful if we use DescriptorPool itself.)
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@ -95,6 +95,7 @@ csharp_EXTRA_DIST= \
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csharp/src/Google.Protobuf.Test/TestProtos/UnittestIssues.cs \
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csharp/src/Google.Protobuf.Test/TestProtos/UnittestProto3.cs \
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csharp/src/Google.Protobuf.Test/TestProtos/UnittestWellKnownTypes.cs \
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csharp/src/Google.Protobuf.Test/WellKnownTypes/AnyTest.cs \
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csharp/src/Google.Protobuf.Test/WellKnownTypes/DurationTest.cs \
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csharp/src/Google.Protobuf.Test/WellKnownTypes/TimestampTest.cs \
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csharp/src/Google.Protobuf.Test/WellKnownTypes/WrappersTest.cs \
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@ -149,6 +150,7 @@ csharp_EXTRA_DIST= \
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csharp/src/Google.Protobuf/Reflection/ServiceDescriptor.cs \
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csharp/src/Google.Protobuf/Reflection/SingleFieldAccessor.cs \
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csharp/src/Google.Protobuf/WellKnownTypes/Any.cs \
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csharp/src/Google.Protobuf/WellKnownTypes/AnyPartial.cs \
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csharp/src/Google.Protobuf/WellKnownTypes/Api.cs \
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csharp/src/Google.Protobuf/WellKnownTypes/Duration.cs \
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csharp/src/Google.Protobuf/WellKnownTypes/DurationPartial.cs \
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@ -109,6 +109,7 @@
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="TestCornerCases.cs" />
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<Compile Include="TestProtos\UnittestWellKnownTypes.cs" />
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<Compile Include="WellKnownTypes\AnyTest.cs" />
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<Compile Include="WellKnownTypes\DurationTest.cs" />
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<Compile Include="WellKnownTypes\TimestampTest.cs" />
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<Compile Include="WellKnownTypes\WrappersTest.cs" />
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66
csharp/src/Google.Protobuf.Test/WellKnownTypes/AnyTest.cs
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66
csharp/src/Google.Protobuf.Test/WellKnownTypes/AnyTest.cs
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@ -0,0 +1,66 @@
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#region Copyright notice and license
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// Protocol Buffers - Google's data interchange format
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// Copyright 2015 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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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 Google.Protobuf.TestProtos;
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using NUnit.Framework;
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namespace Google.Protobuf.WellKnownTypes
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{
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public class AnyTest
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{
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[Test]
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public void Pack()
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{
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var message = SampleMessages.CreateFullTestAllTypes();
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var any = Any.Pack(message);
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Assert.AreEqual("type.googleapis.com/protobuf_unittest.TestAllTypes", any.TypeUrl);
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Assert.AreEqual(message.CalculateSize(), any.Value.Length);
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}
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[Test]
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public void Unpack_WrongType()
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{
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var message = SampleMessages.CreateFullTestAllTypes();
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var any = Any.Pack(message);
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Assert.Throws<InvalidProtocolBufferException>(() => any.Unpack<TestOneof>());
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}
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[Test]
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public void Unpack_Success()
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{
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var message = SampleMessages.CreateFullTestAllTypes();
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var any = Any.Pack(message);
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var unpacked = any.Unpack<TestAllTypes>();
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Assert.AreEqual(message, unpacked);
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}
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}
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}
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@ -118,6 +118,7 @@
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<Compile Include="Reflection\SingleFieldAccessor.cs" />
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<Compile Include="Preconditions.cs" />
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<Compile Include="WellKnownTypes\Any.cs" />
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<Compile Include="WellKnownTypes\AnyPartial.cs" />
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<Compile Include="WellKnownTypes\Api.cs" />
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<Compile Include="WellKnownTypes\Duration.cs" />
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<Compile Include="WellKnownTypes\DurationPartial.cs" />
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@ -96,6 +96,8 @@ namespace Google.Protobuf.Reflection
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return descriptor;
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}
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// dependencies contains direct dependencies and any *public* dependencies
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// of those dependencies (transitively)... so we don't need to recurse here.
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foreach (FileDescriptor dependency in dependencies)
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{
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dependency.DescriptorPool.descriptorsByName.TryGetValue(fullName, out result);
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csharp/src/Google.Protobuf/WellKnownTypes/AnyPartial.cs
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79
csharp/src/Google.Protobuf/WellKnownTypes/AnyPartial.cs
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@ -0,0 +1,79 @@
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#region Copyright notice and license
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// Protocol Buffers - Google's data interchange format
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// Copyright 2015 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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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 Google.Protobuf.Reflection;
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namespace Google.Protobuf.WellKnownTypes
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{
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public partial class Any
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{
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// This could be moved to MessageDescriptor if we wanted to, but keeping it here means
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// all the Any-specific code is in the same place.
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private static string GetTypeUrl(MessageDescriptor descriptor)
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{
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return "type.googleapis.com/" + descriptor.FullName;
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}
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/// <summary>
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/// Unpacks the content of this Any message into the target message type,
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/// which must match the type URL within this Any message.
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/// </summary>
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/// <typeparam name="T">The type of message to unpack the content into.</typeparam>
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/// <returns>The unpacked message.</returns>
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/// <exception cref="InvalidProtocolBufferException">The target message type doesn't match the type URL in this message</exception>
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public T Unpack<T>() where T : IMessage, new()
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{
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// Note: this doesn't perform as well is it might. We could take a MessageParser<T> in an alternative overload,
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// which would be expected to perform slightly better... although the difference is likely to be negligible.
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T target = new T();
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string targetTypeUrl = GetTypeUrl(target.Descriptor);
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if (TypeUrl != targetTypeUrl)
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{
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throw new InvalidProtocolBufferException(string.Format("Type url for {0} is {1}; Any message's type url is {2}",
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target.Descriptor.Name, targetTypeUrl, TypeUrl));
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}
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target.MergeFrom(Value);
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return target;
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}
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/// <summary>
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/// Packs the specified message into an Any message.
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/// </summary>
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/// <param name="message">The message to pack.</param>
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/// <returns>An Any message with the content and type URL of <paramref name="message"/>.</returns>
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public static Any Pack(IMessage message)
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{
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Preconditions.CheckNotNull(message, "message");
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return new Any { TypeUrl = GetTypeUrl(message.Descriptor), Value = message.ToByteString() };
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}
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}
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}
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