/// <summary>
/// Gets class entity from selected class.
/// </summary>
/// <exception cref="Exception">
/// Thrown when an exception error condition occurs.
/// </exception>
/// <param name="TargetProject">
/// Target project.
/// </param>
/// <param name="NameOfSourceCommand">
/// Name of the source command.
/// </param>
/// <returns>
/// The class entity from selected class.
/// </returns>
public ClassEntity GetClassEntityFromSelectedClass(Project TargetProject, string NameOfSourceCommand)
{
// Karl Shifflett in original vb code:
//
// 'TODO karl you left off here. must ensure that the SL verions is added
// 'Dim strSilverlightVersion As String = String.Empty
// 'If bolIsSilverlight Then
// ' strSilverlightVersion = Me.Application.ActiveDocument.ProjectItem.ContainingProject.Properties.Item("TargetFrameworkMoniker").Value.ToString.Replace("Silverlight,Version=v", String.Empty)
// 'End If
//
// Yes, this portion of code was not implemented.
string assemblyPath = GetAssemblyInformation(TargetProject);
if (assemblyPath.IsNullOrEmpty())
{
// This should never execute since, the menu option would be disabled.
// If it does run, there is a programming error.
throw new Exception("The project associated with the selected file is either not vb, cs or is blacklisted.");
}
RemoteWorker remoteWorker = null;
RemoteResponse <AssembliesNamespacesClasses> remoteResponse = null;
try
{
var appSetup = new AppDomainSetup()
{
ApplicationBase = Path.GetDirectoryName(assemblyPath),
DisallowApplicationBaseProbing = false,
ShadowCopyFiles = "True"
};
//++ Secondary Application Domain
_secondaryAppDomain = AppDomain.CreateDomain("SecondaryAppDomain", null, appSetup);
AppDomain.CurrentDomain.AssemblyResolve += SecondaryAppDomain_AssemblyResolve;
//! This creates remoteWorker in a secondary domain, allowing it to run
//! in a separate context from the current domain. This separates
//! remoteWorker from the rest of the application (VS), so if the
//! domain becomes unstable, it can be unloaded without harming the
//! current domain.
remoteWorker = _secondaryAppDomain.CreateInstanceFromAndUnwrap(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "XamlHelpmeet.ReflectionLoader.dll"), "XamlHelpmeet.ReflectionLoader.RemoteWorker") as RemoteWorker;
//+ remoteWorker inherits a MarshalByRefObject. This
//+ enables access to objects returned by its
//+ methods across domains.
if (remoteWorker != null)
{
var isSilverlight = PtHelpers.IsProjectSilverlight(PtHelpers.GetProjectTypeGuids(TargetProject).Split(';'));
// remoteResponse is a helper class that is serialized so it can
// wrap objects returned from a secondary (i.e., remote) application
// domain.
// A problem exists in this call when an object is returned from
// the secondary domain that is of a different version than the
// same object in the current domain. When that happens an
// InvalidCastException is thrown, and remoteResponse will be
// null. I think this may occur when XHM is used on its own
// assemblies, if the assemblies have been recompiled since
// the operating vsix file was produced. In fact it is likely
// that the object that is causing the throw is remoteResponse
// itself. This might be resolved by freezing the project
// that RemoteResponse is in, and compile it only when necessary.
// It would make sense also to move the class into the
// ReflectionLoader namespace so it is less likely it would
// need to be recompiled when other changes are needed in
// the solution.
remoteResponse = remoteWorker.GetClassEntityFromUserSelectedClass(assemblyPath, isSilverlight, GetProjectReferences(TargetProject));
if (remoteResponse.ResponseStatus != ResponseStatus.Success)
{
UIUtilities.ShowExceptionMessage("Unable to Reflect Type", String.Format("The following exception was returned. {0}", remoteResponse.CustomMessageAndException), string.Empty, remoteResponse.Exception.ToString());
}
}
else
{
UIUtilities.ShowExceptionMessage("Unable To Create Worker", "Can't create Secondary AppDomain RemoteWorker class. CreateInstance and Unwrap methods returned null.");
}
}
catch (FileNotFoundException ex)
{
UIUtilities.ShowExceptionMessage("File Not Found", String.Format("File not found.{0}{0}Have you built your application?{0}{0}{1}", Environment.NewLine, ex.Message), String.Empty, ex.ToString());
}
catch (Exception ex)
{
UIUtilities.ShowExceptionMessage("Unable To Create Secondary AppDomain RemoteWorker", ex.Message, String.Empty, ex.ToString());
}
finally
{
AppDomain.CurrentDomain.AssemblyResolve -= SecondaryAppDomain_AssemblyResolve;
remoteWorker = null;
if (_secondaryAppDomain != null)
{
try
{
AppDomain.Unload(_secondaryAppDomain);
}
catch (Exception ex)
{
UIUtilities.ShowExceptionMessage("AppDomain.Unload Exception", ex.Message, String.Empty, ex.ToString());
}
}
_secondaryAppDomain = null;
}
if (remoteResponse == null || remoteResponse.ResponseStatus != ResponseStatus.Success || remoteResponse.Result == null || remoteResponse.Result.Count == 0)
{
if (remoteResponse == null || remoteResponse.ResponseStatus == ResponseStatus.Success)
{
UIUtilities.ShowInformationMessage("No Model", "Unable to find a class suitable for this command.");
}
return(null);
}
SelectClassFromAssembliesWindow frm = null;
// ClassEntity classEntity = null; // Not used in original
frm = new SelectClassFromAssembliesWindow(remoteResponse.Result, NameOfSourceCommand);
if (!frm.ShowDialog() ?? false)
{
return(null);
}
frm.SelectedAssemblyNamespaceClass.ClassEntity.Success = true;
if (frm.SelectedAssemblyNamespaceClass.ClassEntity.IsSilverlight)
{
frm.SelectedAssemblyNamespaceClass.ClassEntity.SilverlightVersion =
TargetProject.Properties.Item("TargetFrameworkMoniker").Value.ToString().Replace("Silverlight,Version=v", string.Empty);
}
return(frm.SelectedAssemblyNamespaceClass.ClassEntity);
}
/// <summary>
/// Gets class entities for selected project.
/// </summary>
/// <exception cref="Exception">
/// Thrown when an exception error condition occurs.
/// </exception>
/// <param name="TargetProject">
/// Target project.
/// </param>
/// <param name="NameOfSourceCommand">
/// Name of the source command.
/// </param>
/// <returns>
/// The class entities for selected project.
/// </returns>
public AssembliesNamespacesClasses GetClassEntitiesForSelectedProject(Project TargetProject, string NameOfSourceCommand)
{
string assemblyPath = GetAssemblyInformation(TargetProject);
if (assemblyPath.IsNullOrEmpty())
{
throw new Exception("The project associated with the selected file is either not vb, cs or is blacklisted.");
}
RemoteWorker remoteWorker = null;
RemoteResponse <AssembliesNamespacesClasses> remoteResponse = null;
try
{
var appSetup = new AppDomainSetup()
{
ApplicationBase = Path.GetDirectoryName(assemblyPath),
DisallowApplicationBaseProbing = false,
ShadowCopyFiles = "True"
};
_secondaryAppDomain = AppDomain.CreateDomain("SecondaryAppDomain", null, appSetup);
AppDomain.CurrentDomain.AssemblyResolve += SecondaryAppDomain_AssemblyResolve;
remoteWorker = _secondaryAppDomain.CreateInstanceFromAndUnwrap(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "XamlHelpmeet.ReflectionLoader.dll"), "XamlHelpmeet.ReflectionLoader.RemoteWorker") as RemoteWorker;
if (remoteWorker != null)
{
var isSilverlight = PtHelpers.IsProjectSilverlight(PtHelpers.GetProjectTypeGuids(TargetProject).Split(';'));
remoteResponse = remoteWorker.GetClassEntityFromUserSelectedClass(assemblyPath, isSilverlight, GetProjectReferences(TargetProject));
if (remoteResponse.ResponseStatus != ResponseStatus.Success)
{
UIUtilities.ShowExceptionMessage("Unable to Reflect Type", "The following exception was returned. " + remoteResponse.CustomMessageAndException, string.Empty, remoteResponse.Exception.ToString());
}
else if (remoteResponse.CustomMessage.IsNotNullOrEmpty())
{
UIUtilities.ShowInformationMessage("Reflection Error", string.Format("Unable to reflect the following:\r\n\r\n{0}\r\nAt least one other assembly however successfully reflected.", remoteResponse.CustomMessage));
}
}
else
{
UIUtilities.ShowExceptionMessage("Unable To Create Worker", "Can't create Secondary AppDomain RemoteWorker class. CreateInstance and Unwrap methods returned null.");
}
}
catch (FileNotFoundException ex)
{
UIUtilities.ShowExceptionMessage("File Not Found", String.Format("File not found.{0}{0}Have you built your application?{0}{0}{1}", Environment.NewLine, ex.Message), String.Empty, ex.ToString());
}
catch (Exception ex)
{
UIUtilities.ShowExceptionMessage("Unable To Create Secondary AppDomain RemoteWorker", ex.Message, String.Empty, ex.ToString());
}
finally
{
AppDomain.CurrentDomain.AssemblyResolve -= SecondaryAppDomain_AssemblyResolve;
remoteWorker = null;
if (_secondaryAppDomain != null)
{
try
{
AppDomain.Unload(_secondaryAppDomain);
}
catch (Exception ex)
{
UIUtilities.ShowExceptionMessage("AppDomain.Unload Exception", ex.Message, String.Empty, ex.ToString());
}
}
_secondaryAppDomain = null;
}
if (remoteResponse != null || remoteResponse.ResponseStatus != ResponseStatus.Success)
{
return(null);
}
return(remoteResponse.Result);
}