mcs/class/referencesource/System.Web/Util/AssemblyUtil.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="AssemblyUtil.cs" company="Microsoft">
   3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 //------------------------------------------------------------------------------
   6
   7 using System;
   8 using System.Reflection;
   9
  10 namespace System.Web.Util {
  11     internal static class AssemblyUtil {
  12         private const string _emptyFileVersion = "0.0.0.0";
  13
  14         public static string GetAssemblyFileVersion(Assembly assembly) {
  15             AssemblyFileVersionAttribute[] attributes =
  16                 (AssemblyFileVersionAttribute[])assembly.GetCustomAttributes(typeof(AssemblyFileVersionAttribute), false);
  17
  18             string version;
  19             if (attributes.Length > 0) {
  20                 version = attributes[0].Version;
  21                 if (String.IsNullOrEmpty(version)) {
  22                     version = _emptyFileVersion;
  23                 }
  24             }
  25             else {
  26                 version = _emptyFileVersion;
  27             }
  28             return version;
  29         }
  30     }
  31 }