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NLog.Web.AspNetCore.Tests/LayoutRenderers/AssemblyVersionLayoutRendererTests.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Threading.Tasks; | ||
| using NLog.Layouts; | ||
| using NLog.Web.Tests.LayoutRenderers; | ||
| using Xunit; | ||
|
|
||
| namespace NLog.Web.AspNetCore.Tests.LayoutRenderers | ||
| { | ||
| public class AssemblyVersionLayoutRendererTests : TestBase | ||
| { | ||
| [Fact] | ||
| public void AssemblyNameVersionTest() | ||
| { | ||
| #if NETSTANDARD_1plus | ||
| Layout l = "${assembly-version:NLog.Web.AspNetCore.Tests}"; | ||
| #else | ||
| Layout l = "${assembly-version:NLog.Web.AspNetCore.Tests}"; | ||
| #endif | ||
| var result = l.Render(LogEventInfo.CreateNullEvent()); | ||
| Assert.Equal("1.2.3.0", result); | ||
| } | ||
| } | ||
| } |
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101 changes: 101 additions & 0 deletions
101
NLog.Web.AspNetCore/LayoutRenderers/AssemblyVersionLayoutRenderer.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Reflection; | ||
| using System.Text; | ||
| using NLog.Common; | ||
| using NLog.Config; | ||
| using NLog.LayoutRenderers; | ||
|
|
||
| #if NETSTANDARD_1plus | ||
| using System.Threading.Tasks; | ||
| using Microsoft.AspNetCore.Hosting; | ||
| using Microsoft.AspNetCore.Http; | ||
| using Microsoft.Extensions.PlatformAbstractions; | ||
| #endif | ||
|
|
||
| namespace NLog.Web.LayoutRenderers | ||
| { | ||
| /// <summary> | ||
| /// Overwrite the NLog.LayoutRenderers.AssemblyVersionLayoutRenderer | ||
| /// </summary> | ||
| [LayoutRenderer("assembly-version")] | ||
| public class AssemblyVersionLayoutRenderer : LayoutRenderer | ||
| { | ||
| /// <summary> | ||
| /// The (full) name of the assembly. If <c>null</c>, using the entry assembly. | ||
| /// </summary> | ||
| [DefaultParameter] | ||
| public string Name { get; set; } | ||
|
|
||
| /// <summary> | ||
| /// Implemented by subclasses to render request information and append it to the specified <see cref="StringBuilder" />. | ||
| /// | ||
| /// Won't be called if <see cref="AspNetLayoutRendererBase.HttpContextAccessor"/> of <see cref="IHttpContextAccessor.HttpContext"/> is <c>null</c>. | ||
| /// </summary> | ||
| /// <param name="builder">The <see cref="StringBuilder"/> to append the rendered data to.</param> | ||
| /// <param name="logEvent">Logging event.</param> | ||
| protected override void Append(StringBuilder builder, LogEventInfo logEvent) | ||
| { | ||
| InternalLogger.Trace("Using ${assembly-version} of NLog.Web"); | ||
|
|
||
| var nameNotEmpty = !string.IsNullOrEmpty(Name); | ||
| if (nameNotEmpty) | ||
| { | ||
| var assembly = Assembly.Load(new AssemblyName(Name)); | ||
| if (assembly == null) | ||
| { | ||
| builder.Append("Could not find assembly " + Name); | ||
| } | ||
| else | ||
| { | ||
| builder.Append(assembly.GetName().Version.ToString()); | ||
| } | ||
| } | ||
| else | ||
| { | ||
| //try entry assembly | ||
|
|
||
| #if NETSTANDARD_1plus | ||
| string assemblyVersion = PlatformServices.Default.Application.RuntimeFramework.Version.ToString(); | ||
|
|
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| builder.Append(assemblyVersion); | ||
| #else | ||
|
|
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| var assembly = Assembly.GetEntryAssembly(); | ||
|
|
||
| if (assembly == null) | ||
| { | ||
| assembly = GetAspNetEntryAssembly(); | ||
| } | ||
| if (assembly == null) | ||
| { | ||
| builder.Append("Could not entry assembly"); | ||
| } | ||
| else | ||
| { | ||
| builder.Append(assembly.GetName().Version.ToString()); | ||
| } | ||
| #endif | ||
|
|
||
| } | ||
|
|
||
| } | ||
|
|
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| #if !NETSTANDARD_1plus | ||
| private static Assembly GetAspNetEntryAssembly() | ||
| { | ||
| if (System.Web.HttpContext.Current == null || System.Web.HttpContext.Current.ApplicationInstance == null) | ||
| { | ||
| return null; | ||
| } | ||
| var type = System.Web.HttpContext.Current.ApplicationInstance.GetType(); | ||
| while (type != null && type.Namespace == "ASP") | ||
| { | ||
| type = type.BaseType; | ||
| } | ||
| return type != null ? type.Assembly : null; | ||
| } | ||
| #endif | ||
| } | ||
| } |
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