Smdn.Net.EchonetLite.RouteB 2.0.0-preview2 Release Notes

releasenote-Smdn.Net.EchonetLite.RouteB-2.0.0-preview2.md

main/Smdn.Net.EchonetLite.RouteB-2.0.0-preview2

releasenote.section1.changelog.md

• 2024-06-30 update package version
• 2024-06-30 add RouteBCredentialServiceCollectionExtensions.AddRouteBCredentialFromEnvironmentVariable
• 2024-06-30 rename RouteBCredentialServiceCollectionExtensions.AddRouteBCredentialProvider
• 2024-04-05 improve to define reference project/package versions in single .targets file
• 2024-04-05 improve to define reference package versions in single .targets file
• 2024-04-05 fix order of property declaration
• 2024-04-05 add placeholder for PackageValidationBaselineVersion
• 2024-04-05 remove duplicate property declarations
• 2024-04-05 split the property settings for the project inherited from the original repository into individual prop file

releasenote.section2.api-changes.diff

diff --git a/doc/api-list/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB-net6.0.apilist.cs b/doc/api-list/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB-net6.0.apilist.cs
index ed56b16..ed9997a 100644
--- a/doc/api-list/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB-net6.0.apilist.cs
+++ b/doc/api-list/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB-net6.0.apilist.cs
@@ -1,74 +1,75 @@
-// Smdn.Net.EchonetLite.RouteB.dll (Smdn.Net.EchonetLite.RouteB-2.0.0-preview1)
+// Smdn.Net.EchonetLite.RouteB.dll (Smdn.Net.EchonetLite.RouteB-2.0.0-preview2)
 //   Name: Smdn.Net.EchonetLite.RouteB
 //   AssemblyVersion: 2.0.0.0
-//   InformationalVersion: 2.0.0-preview1+72e57d7daf6b52fc6ecc4ed745e175a1893e8d90
+//   InformationalVersion: 2.0.0-preview2+c9161acca48757584c059440b4e2b704c3a80505
 //   TargetFramework: .NETCoreApp,Version=v6.0
 //   Configuration: Release
 //   Referenced assemblies:
-//     Microsoft.Extensions.DependencyInjection.Abstractions, Version=8.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60
+//     Microsoft.Extensions.DependencyInjection.Abstractions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60
 //     Smdn.Net.EchonetLite.Transport, Version=2.0.0.0, Culture=neutral
 //     System.Memory, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 //     System.Net.Primitives, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.Runtime, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 #nullable enable annotations
 
 using System;
 using System.Buffers;
 using System.Net;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
 using Smdn.Net.EchonetLite.RouteB.Credentials;
 using Smdn.Net.EchonetLite.RouteB.Transport;
 using Smdn.Net.EchonetLite.Transport;
 
 namespace Smdn.Net.EchonetLite.RouteB.Credentials {
   public interface IRouteBCredential : IDisposable {
     void WriteIdTo(IBufferWriter<byte> buffer);
     void WritePasswordTo(IBufferWriter<byte> buffer);
   }
 
   public interface IRouteBCredentialIdentity {
   }
 
   public interface IRouteBCredentialProvider {
     IRouteBCredential GetCredential(IRouteBCredentialIdentity identity);
   }
 
   public static class RouteBCredentialServiceCollectionExtensions {
-    public static IServiceCollection AddRouteBCredential(this IServiceCollection services, IRouteBCredentialProvider credentialProvider) {}
     public static IServiceCollection AddRouteBCredential(this IServiceCollection services, string id, string password) {}
+    public static IServiceCollection AddRouteBCredentialFromEnvironmentVariable(this IServiceCollection services, string envVarForId, string envVarForPassword) {}
+    public static IServiceCollection AddRouteBCredentialProvider(this IServiceCollection services, IRouteBCredentialProvider credentialProvider) {}
   }
 
   public static class RouteBCredentials {
     public const int AuthenticationIdLength = 32;
     public const int PasswordLength = 12;
   }
 }
 
 namespace Smdn.Net.EchonetLite.RouteB.Transport {
   public interface IRouteBEchonetLiteHandlerBuilder {
     IServiceCollection Services { get; }
   }
 
   public interface IRouteBEchonetLiteHandlerFactory {
     ValueTask<RouteBEchonetLiteHandler> CreateAsync(CancellationToken cancellationToken);
   }
 
   public abstract class RouteBEchonetLiteHandler : EchonetLiteHandler {
     protected RouteBEchonetLiteHandler() {}
 
     public abstract IPAddress? PeerAddress { get; }
 
     public ValueTask ConnectAsync(IRouteBCredential credential, CancellationToken cancellationToken = default) {}
     protected abstract ValueTask ConnectAsyncCore(IRouteBCredential credential, CancellationToken cancellationToken);
     public ValueTask DisconnectAsync(CancellationToken cancellationToken = default) {}
     protected abstract ValueTask DisconnectAsyncCore(CancellationToken cancellationToken);
   }
 
   public static class RouteBEchonetLiteHandlerBuilderServiceCollectionExtensions {
     public static IServiceCollection AddRouteBHandler(this IServiceCollection services, Action<IRouteBEchonetLiteHandlerBuilder> configure) {}
   }
 }
 // API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.4.1.0.
 // Smdn.Reflection.ReverseGenerating.ListApi.Core v1.3.1.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
diff --git a/doc/api-list/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB-net8.0.apilist.cs b/doc/api-list/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB-net8.0.apilist.cs
index b9ccbb0..4dbf84a 100644
--- a/doc/api-list/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB-net8.0.apilist.cs
+++ b/doc/api-list/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB-net8.0.apilist.cs
@@ -1,74 +1,75 @@
-// Smdn.Net.EchonetLite.RouteB.dll (Smdn.Net.EchonetLite.RouteB-2.0.0-preview1)
+// Smdn.Net.EchonetLite.RouteB.dll (Smdn.Net.EchonetLite.RouteB-2.0.0-preview2)
 //   Name: Smdn.Net.EchonetLite.RouteB
 //   AssemblyVersion: 2.0.0.0
-//   InformationalVersion: 2.0.0-preview1+72e57d7daf6b52fc6ecc4ed745e175a1893e8d90
+//   InformationalVersion: 2.0.0-preview2+c9161acca48757584c059440b4e2b704c3a80505
 //   TargetFramework: .NETCoreApp,Version=v8.0
 //   Configuration: Release
 //   Referenced assemblies:
-//     Microsoft.Extensions.DependencyInjection.Abstractions, Version=8.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60
+//     Microsoft.Extensions.DependencyInjection.Abstractions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60
 //     Smdn.Net.EchonetLite.Transport, Version=2.0.0.0, Culture=neutral
 //     System.Memory, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 //     System.Net.Primitives, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.Runtime, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 #nullable enable annotations
 
 using System;
 using System.Buffers;
 using System.Net;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
 using Smdn.Net.EchonetLite.RouteB.Credentials;
 using Smdn.Net.EchonetLite.RouteB.Transport;
 using Smdn.Net.EchonetLite.Transport;
 
 namespace Smdn.Net.EchonetLite.RouteB.Credentials {
   public interface IRouteBCredential : IDisposable {
     void WriteIdTo(IBufferWriter<byte> buffer);
     void WritePasswordTo(IBufferWriter<byte> buffer);
   }
 
   public interface IRouteBCredentialIdentity {
   }
 
   public interface IRouteBCredentialProvider {
     IRouteBCredential GetCredential(IRouteBCredentialIdentity identity);
   }
 
   public static class RouteBCredentialServiceCollectionExtensions {
-    public static IServiceCollection AddRouteBCredential(this IServiceCollection services, IRouteBCredentialProvider credentialProvider) {}
     public static IServiceCollection AddRouteBCredential(this IServiceCollection services, string id, string password) {}
+    public static IServiceCollection AddRouteBCredentialFromEnvironmentVariable(this IServiceCollection services, string envVarForId, string envVarForPassword) {}
+    public static IServiceCollection AddRouteBCredentialProvider(this IServiceCollection services, IRouteBCredentialProvider credentialProvider) {}
   }
 
   public static class RouteBCredentials {
     public const int AuthenticationIdLength = 32;
     public const int PasswordLength = 12;
   }
 }
 
 namespace Smdn.Net.EchonetLite.RouteB.Transport {
   public interface IRouteBEchonetLiteHandlerBuilder {
     IServiceCollection Services { get; }
   }
 
   public interface IRouteBEchonetLiteHandlerFactory {
     ValueTask<RouteBEchonetLiteHandler> CreateAsync(CancellationToken cancellationToken);
   }
 
   public abstract class RouteBEchonetLiteHandler : EchonetLiteHandler {
     protected RouteBEchonetLiteHandler() {}
 
     public abstract IPAddress? PeerAddress { get; }
 
     public ValueTask ConnectAsync(IRouteBCredential credential, CancellationToken cancellationToken = default) {}
     protected abstract ValueTask ConnectAsyncCore(IRouteBCredential credential, CancellationToken cancellationToken);
     public ValueTask DisconnectAsync(CancellationToken cancellationToken = default) {}
     protected abstract ValueTask DisconnectAsyncCore(CancellationToken cancellationToken);
   }
 
   public static class RouteBEchonetLiteHandlerBuilderServiceCollectionExtensions {
     public static IServiceCollection AddRouteBHandler(this IServiceCollection services, Action<IRouteBEchonetLiteHandlerBuilder> configure) {}
   }
 }
 // API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.4.1.0.
 // Smdn.Reflection.ReverseGenerating.ListApi.Core v1.3.1.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
diff --git a/doc/api-list/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB-netstandard2.1.apilist.cs b/doc/api-list/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB-netstandard2.1.apilist.cs
index 19dcb57..c942679 100644
--- a/doc/api-list/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB-netstandard2.1.apilist.cs
+++ b/doc/api-list/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB-netstandard2.1.apilist.cs
@@ -1,72 +1,73 @@
-// Smdn.Net.EchonetLite.RouteB.dll (Smdn.Net.EchonetLite.RouteB-2.0.0-preview1)
+// Smdn.Net.EchonetLite.RouteB.dll (Smdn.Net.EchonetLite.RouteB-2.0.0-preview2)
 //   Name: Smdn.Net.EchonetLite.RouteB
 //   AssemblyVersion: 2.0.0.0
-//   InformationalVersion: 2.0.0-preview1+72e57d7daf6b52fc6ecc4ed745e175a1893e8d90
+//   InformationalVersion: 2.0.0-preview2+c9161acca48757584c059440b4e2b704c3a80505
 //   TargetFramework: .NETStandard,Version=v2.1
 //   Configuration: Release
 //   Referenced assemblies:
-//     Microsoft.Extensions.DependencyInjection.Abstractions, Version=8.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60
+//     Microsoft.Extensions.DependencyInjection.Abstractions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60
 //     Smdn.Net.EchonetLite.Transport, Version=2.0.0.0, Culture=neutral
 //     netstandard, Version=2.1.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 #nullable enable annotations
 
 using System;
 using System.Buffers;
 using System.Net;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
 using Smdn.Net.EchonetLite.RouteB.Credentials;
 using Smdn.Net.EchonetLite.RouteB.Transport;
 using Smdn.Net.EchonetLite.Transport;
 
 namespace Smdn.Net.EchonetLite.RouteB.Credentials {
   public interface IRouteBCredential : IDisposable {
     void WriteIdTo(IBufferWriter<byte> buffer);
     void WritePasswordTo(IBufferWriter<byte> buffer);
   }
 
   public interface IRouteBCredentialIdentity {
   }
 
   public interface IRouteBCredentialProvider {
     IRouteBCredential GetCredential(IRouteBCredentialIdentity identity);
   }
 
   public static class RouteBCredentialServiceCollectionExtensions {
-    public static IServiceCollection AddRouteBCredential(this IServiceCollection services, IRouteBCredentialProvider credentialProvider) {}
     public static IServiceCollection AddRouteBCredential(this IServiceCollection services, string id, string password) {}
+    public static IServiceCollection AddRouteBCredentialFromEnvironmentVariable(this IServiceCollection services, string envVarForId, string envVarForPassword) {}
+    public static IServiceCollection AddRouteBCredentialProvider(this IServiceCollection services, IRouteBCredentialProvider credentialProvider) {}
   }
 
   public static class RouteBCredentials {
     public const int AuthenticationIdLength = 32;
     public const int PasswordLength = 12;
   }
 }
 
 namespace Smdn.Net.EchonetLite.RouteB.Transport {
   public interface IRouteBEchonetLiteHandlerBuilder {
     IServiceCollection Services { get; }
   }
 
   public interface IRouteBEchonetLiteHandlerFactory {
     ValueTask<RouteBEchonetLiteHandler> CreateAsync(CancellationToken cancellationToken);
   }
 
   public abstract class RouteBEchonetLiteHandler : EchonetLiteHandler {
     protected RouteBEchonetLiteHandler() {}
 
     public abstract IPAddress? PeerAddress { get; }
 
     public ValueTask ConnectAsync(IRouteBCredential credential, CancellationToken cancellationToken = default) {}
     protected abstract ValueTask ConnectAsyncCore(IRouteBCredential credential, CancellationToken cancellationToken);
     public ValueTask DisconnectAsync(CancellationToken cancellationToken = default) {}
     protected abstract ValueTask DisconnectAsyncCore(CancellationToken cancellationToken);
   }
 
   public static class RouteBEchonetLiteHandlerBuilderServiceCollectionExtensions {
     public static IServiceCollection AddRouteBHandler(this IServiceCollection services, Action<IRouteBEchonetLiteHandlerBuilder> configure) {}
   }
 }
 // API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.4.1.0.
 // Smdn.Reflection.ReverseGenerating.ListApi.Core v1.3.1.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)

releasenote.section4.full-changes.diff

diff --git a/src/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB.Credentials/RouteBCredentialServiceCollectionExtensions.cs b/src/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB.Credentials/RouteBCredentialServiceCollectionExtensions.cs
index 1440b9e..43f7f24 100644
--- a/src/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB.Credentials/RouteBCredentialServiceCollectionExtensions.cs
+++ b/src/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB.Credentials/RouteBCredentialServiceCollectionExtensions.cs
@@ -20,7 +20,7 @@ public static class RouteBCredentialServiceCollectionExtensions {
     string id,
     string password
   )
-    => AddRouteBCredential(
+    => AddRouteBCredentialProvider(
       services: services ?? throw new ArgumentNullException(nameof(services)),
 #pragma warning disable CA2000
       credentialProvider: new SingleIdentityPlainTextRouteBCredentialProvider(
@@ -30,12 +30,34 @@ public static class RouteBCredentialServiceCollectionExtensions {
 #pragma warning restore CA2000
     );
 
+  /// <summary>
+  /// Adds <see cref="IRouteBCredentialProvider"/> to <see cref="IServiceCollection"/>.
+  /// This overload creates <see cref="IRouteBCredentialProvider"/> that retrieves route-B ID and password from environment variables.
+  /// </summary>
+  /// <param name="services">The <see cref="IServiceCollection"/> to add services to.</param>
+  /// <param name="envVarForId">An environment variable name for the route-B ID used for the route-B authentication.</param>
+  /// <param name="envVarForPassword">An environment variable name for the password used for the route-B authentication.</param>
+  public static IServiceCollection AddRouteBCredentialFromEnvironmentVariable(
+    this IServiceCollection services,
+    string envVarForId,
+    string envVarForPassword
+  )
+    => AddRouteBCredentialProvider(
+      services: services ?? throw new ArgumentNullException(nameof(services)),
+#pragma warning disable CA2000
+      credentialProvider: new SingleIdentityEnvironmentVariableRouteBCredentialProvider(
+        envVarForId: envVarForId,
+        envVarForPassword: envVarForPassword
+      )
+#pragma warning restore CA2000
+    );
+
   /// <summary>
   /// Adds <see cref="IRouteBCredentialProvider"/> to <see cref="IServiceCollection"/>.
   /// </summary>
   /// <param name="services">The <see cref="IServiceCollection"/> to add services to.</param>
   /// <param name="credentialProvider">A <see cref="IRouteBCredentialProvider"/> used for authentication to the route B for the smart meter.</param>
-  public static IServiceCollection AddRouteBCredential(
+  public static IServiceCollection AddRouteBCredentialProvider(
     this IServiceCollection services,
     IRouteBCredentialProvider credentialProvider
   )
diff --git a/src/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB.Credentials/SingleIdentityEnvironmentVariableRouteBCredentialProvider.cs b/src/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB.Credentials/SingleIdentityEnvironmentVariableRouteBCredentialProvider.cs
new file mode 100644
index 0000000..6ca74e8
--- /dev/null
+++ b/src/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB.Credentials/SingleIdentityEnvironmentVariableRouteBCredentialProvider.cs
@@ -0,0 +1,65 @@
+// SPDX-FileCopyrightText: 2023 smdn <smdn@smdn.jp>
+// SPDX-License-Identifier: MIT
+using System;
+using System.Buffers;
+using System.Text;
+
+namespace Smdn.Net.EchonetLite.RouteB.Credentials;
+
+internal sealed class SingleIdentityEnvironmentVariableRouteBCredentialProvider : IRouteBCredentialProvider, IRouteBCredential {
+  private readonly string envVarForId;
+  private readonly string envVarForPassword;
+
+  public SingleIdentityEnvironmentVariableRouteBCredentialProvider(
+    string envVarForId,
+    string envVarForPassword
+  )
+  {
+#if SYSTEM_ARGUMENTEXCEPTION_THROWIFNULLOREMPTY
+    ArgumentException.ThrowIfNullOrEmpty(envVarForId, nameof(envVarForId));
+    ArgumentException.ThrowIfNullOrEmpty(envVarForPassword, nameof(envVarForPassword));
+#else
+    if (envVarForId is null)
+      throw new ArgumentNullException(nameof(envVarForId));
+    if (envVarForId.Length == 0)
+      throw new ArgumentException(message: "must be non-empty string", paramName: nameof(envVarForId));
+
+    if (envVarForPassword is null)
+      throw new ArgumentNullException(nameof(envVarForPassword));
+    if (envVarForPassword.Length == 0)
+      throw new ArgumentException(message: "must be non-empty string", paramName: nameof(envVarForPassword));
+#endif
+
+    this.envVarForId = envVarForId;
+    this.envVarForPassword = envVarForPassword;
+  }
+
+  IRouteBCredential IRouteBCredentialProvider.GetCredential(IRouteBCredentialIdentity identity) => this;
+
+  void IDisposable.Dispose() { /* nothing to do */ }
+
+  void IRouteBCredential.WriteIdTo(IBufferWriter<byte> buffer)
+    => WriteEnvVar(envVarForId, buffer);
+
+  void IRouteBCredential.WritePasswordTo(IBufferWriter<byte> buffer)
+    => WriteEnvVar(envVarForPassword, buffer);
+
+  private static void WriteEnvVar(string variable, IBufferWriter<byte> buffer)
+  {
+    if (buffer is null)
+      throw new ArgumentNullException(nameof(buffer));
+
+    // TODO: read env var to buffer and clean it after write
+    var value = Environment.GetEnvironmentVariable(variable);
+
+    if (string.IsNullOrEmpty(value))
+      throw new InvalidOperationException($"environment variable '{variable}' is not set or is empty");
+
+    var bytesWritten = Encoding.ASCII.GetBytes(
+      value,
+      buffer.GetSpan(Encoding.ASCII.GetByteCount(value))
+    );
+
+    buffer.Advance(bytesWritten);
+  }
+}
diff --git a/src/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB.csproj b/src/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB.csproj
index 85b0cee..ea0f3a6 100644
--- a/src/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB.csproj
+++ b/src/Smdn.Net.EchonetLite.RouteB/Smdn.Net.EchonetLite.RouteB.csproj
@@ -7,20 +7,18 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks>netstandard2.1;net6.0;net8.0</TargetFrameworks>
     <VersionPrefix>2.0.0</VersionPrefix>
-    <VersionSuffix>preview1</VersionSuffix>
+    <VersionSuffix>preview2</VersionSuffix>
+    <!-- <PackageValidationBaselineVersion>2.0.0</PackageValidationBaselineVersion> -->
     <Nullable>enable</Nullable>
-    <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
-    <NoWarn>CS1591;$(NoWarn)</NoWarn> <!-- CS1591: Missing XML comment for publicly visible type or member 'Type_or_Member' -->
     <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0030 -->
+    <NoWarn>CS1591;$(NoWarn)</NoWarn> <!-- CS1591: Missing XML comment for publicly visible type or member 'Type_or_Member' -->
   </PropertyGroup>
 
   <PropertyGroup Label="assembly attributes">
-    <Authors>smdn</Authors>
-    <Copyright>Copyright © 2024 smdn.</Copyright>
     <Description>
 <![CDATA[スマート電力量メータとの情報伝達手段である「Bルート」を介してECHONET Lite規格の通信を扱うための抽象クラス`RouteBEchonetLiteHandler`を提供します。　また、その際に使用される認証情報を扱うための抽象インターフェイス`IRouteBCredential`を提供します。]]>
     </Description>
+    <CopyrightYear>2024</CopyrightYear>
   </PropertyGroup>
 
   <PropertyGroup Label="package properties">
@@ -29,8 +27,8 @@ SPDX-License-Identifier: MIT
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.0" />
-    <ProjectOrPackageReference ReferencePackageVersion="2.0.0-preview1" Include="..\Smdn.Net.EchonetLite.Transport\Smdn.Net.EchonetLite.Transport.csproj" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" />
+    <ProjectOrPackageReference Include="$([MSBuild]::NormalizePath('$(MSBuildThisFileDirectory)..\Smdn.Net.EchonetLite.Transport\Smdn.Net.EchonetLite.Transport.csproj'))" />
   </ItemGroup>
 
   <Target Name="GenerateReadmeFileContent">