|
private static IsHttpApplication ( |
||
| type | The type to check. | |
| return | bool | |
/// <summary>
/// Finds all types in the given assembly collection that implement <see cref="HttpApplication"/>
/// and contain an entry or exit point (or both).
/// </summary>
/// <param name="assemblies">The assemblies to find application types for.</param>
/// <returns>A collection of <see cref="HttpApplication"/> types.</returns>
public static IEnumerable <Type> FindApplicationTypes(IEnumerable <Assembly> assemblies)
{
List <Type> result = new List <Type>();
foreach (Assembly assembly in assemblies ?? new Assembly[0])
{
foreach (Type type in assembly.GetTypes().Where(t => HttpApplicationProbe.IsHttpApplication(t)))
{
if (HttpApplicationProbe.FindEntryPoint(type) != null ||
HttpApplicationProbe.FindExitPoint(type) != null)
{
result.Add(type);
}
}
}
return(result);
}
/// <summary>
/// Finds <see cref="Assembly"/> instances in the current bin path
/// that contain types that implement <see cref="HttpApplication"/>.
/// </summary>
/// <returns>A collection of <see cref="Assembly"/> instances.</returns>
public IEnumerable <Assembly> FindApplicationAssemblies()
{
List <Assembly> result = new List <Assembly>();
string[] assemblyPaths = null;
try
{
assemblyPaths = Directory.GetFiles(this.BinPath, "*.dll");
}
catch (IOException ex)
{
this.Logger.Error(ex);
}
catch (UnauthorizedAccessException ex)
{
this.Logger.Error(ex);
}
if (assemblyPaths != null)
{
foreach (string assemblyPath in assemblyPaths)
{
AssemblyName assemblyName = null;
Assembly assembly = null;
try
{
assemblyName = AssemblyName.GetAssemblyName(assemblyPath);
}
catch (Exception ex)
{
this.Logger.Error(ex);
}
if (assemblyName != null &&
!assemblyName.FullName.StartsWith("System.", StringComparison.OrdinalIgnoreCase) &&
!assemblyName.FullName.StartsWith("Microsoft.", StringComparison.OrdinalIgnoreCase))
{
try
{
assembly = Assembly.Load(assemblyName);
}
catch (ArgumentException ex)
{
this.Logger.Error(ex);
}
catch (BadImageFormatException ex)
{
this.Logger.Error(ex);
}
catch (IOException ex)
{
this.Logger.Error(ex);
}
catch (ReflectionTypeLoadException ex)
{
this.Logger.Error(ex);
}
catch (SecurityException ex)
{
this.Logger.Error(ex);
}
}
try
{
if (assembly != null && assembly.GetTypes().Any(t => HttpApplicationProbe.IsHttpApplication(t)))
{
result.Add(assembly);
}
}
catch (ReflectionTypeLoadException ex)
{
try
{
this.Logger.Error(ex);
}
catch
{
// This can fail for various reasons...
}
}
}
}
return(result);
}
