private static IEnumerable<Assembly> GetAssembliesInFolder(Assembly[] loadedAsms, DirectoryInfo binPath)
{
List<Assembly> assemblies = new List<Assembly>();
foreach (var fileSystemInfo in binPath.GetFileSystemInfos("*.dll"))
{
var assemblyName = AssemblyName.GetAssemblyName(fileSystemInfo.FullName);
//first try to load assembly from refered libraries instead of plugin 'binaries' folder
Assembly assembly = null;
if (loadedAsms.Any(x => x.FullName == assemblyName.FullName))
{
assembly = Assembly.Load(assemblyName);
break;
}
//if not found in referenced libraries, load from plugin binaries location
if (assembly == null)
{
assembly = Assembly.LoadFile(fileSystemInfo.FullName);
assemblies.Add(assembly);
}
}
return assemblies;
}
/// <summary>
/// In order for Assembly.GetCallingAssembly() to correctly reference this class' consumer, it must
/// be invoked from a public method. Otherwise, Assembly.GetCallingAssembly() will reference this
/// assembly, which obviously contains no AutoMapper.Profile implementations.
///
/// This is a helper method for substituting the consuming assembly when no other assemblies are
/// explicitly passed to any of the public RegisterProfiles method overloads.
/// </summary>
/// <param name="argAssemblies">
/// The assemblies that the consuming assembly explcitly asked us to scan.
/// </param>
/// <param name="callingAssembly">
/// The consuming assembly.
/// </param>
/// <returns>
/// An enumeration of assemblies to be scanned for AutoMapper.Profile class implementations.
/// </returns>
private static IEnumerable<Assembly> EnsureAssembly(IEnumerable<Assembly> argAssemblies, Assembly callingAssembly)
{
// In order for GetCallingAssembly to work, it must be invoked from a public method.
// This is why the callingAssembly arg is passed from public methods.
// create an initial default empty array of assemblies in case argAssemblies is null
var assembliesArray = new Assembly[] { };
// when argAssemblies is not null, enumerate it as an array to prevent multiple enumerations
if (argAssemblies != null)
assembliesArray = argAssemblies.ToArray();
// when there are no assemblies explicitly defined, return the calling assembly only
if (!assembliesArray.Any())
return new[] { callingAssembly };
// otherwise, return the explicitly defined assemblies
return assembliesArray;
}