public IViewExtension Load(string extensionPath)
{
var document = new XmlDocument();
document.Load(extensionPath);
var topNode = document.GetElementsByTagName("ViewExtensionDefinition");
if (topNode.Count == 0)
{
Log("Malformed " + extensionPath + " file");
return(null);
}
var definition = new ViewExtensionDefinition();
var path = Path.GetDirectoryName(extensionPath);
foreach (XmlNode item in topNode[0].ChildNodes)
{
if (item.Name == "AssemblyPath")
{
path = Path.Combine(path, item.InnerText);
definition.AssemblyPath = path;
}
else if (item.Name == "TypeName")
{
definition.TypeName = item.InnerText;
}
}
var extension = Load(definition);
return(extension);
}
internal IViewExtension Load(ViewExtensionDefinition viewExtension)
{
try
{
if (viewExtension.IsEnabled)
{
if (viewExtension.RequiresSignedEntryPoint)
{
CertificateVerification.CheckAssemblyForValidCertificate(viewExtension.AssemblyPath);
}
var assembly = Assembly.LoadFrom(viewExtension.AssemblyPath);
var result = assembly.CreateInstance(viewExtension.TypeName) as IViewExtension;
ExtensionLoading?.Invoke(result);
return(result);
}
return(null);
}
catch (Exception ex)
{
var name = viewExtension.TypeName == null ? "null" : viewExtension.TypeName;
Log("Could not create an instance of " + name);
Log(ex.Message);
Log(ex.StackTrace);
return(null);
}
}
public IViewExtension Load(string extensionPath)
{
var document = new XmlDocument();
document.Load(extensionPath);
var topNode = document.GetElementsByTagName("ViewExtensionDefinition");
if (topNode.Count == 0)
{
Log("Malformed " + extensionPath + " file");
return null;
}
var definition = new ViewExtensionDefinition();
var path = Path.GetDirectoryName(extensionPath);
foreach (XmlNode item in topNode[0].ChildNodes)
{
if (item.Name == "AssemblyPath")
{
path = Path.Combine(path, item.InnerText);
definition.AssemblyPath = path;
}
else if (item.Name == "TypeName")
{
definition.TypeName = item.InnerText;
}
}
var extension = Load(definition);
return extension;
}
public IViewExtension Load(string extensionPath)
{
var document = new XmlDocument();
document.Load(extensionPath);
var topNode = document.GetElementsByTagName("ViewExtensionDefinition");
if (topNode.Count == 0)
{
Log("Malformed " + extensionPath + " file");
return(null);
}
var definition = new ViewExtensionDefinition();
var path = Path.GetDirectoryName(extensionPath);
foreach (XmlNode item in topNode[0].ChildNodes)
{
if (item.Name == "AssemblyPath")
{
path = Path.Combine(path, item.InnerText);
definition.AssemblyPath = path;
}
else if (item.Name == "TypeName")
{
definition.TypeName = item.InnerText;
}
else if (item.Name == "IsEnabled")
{
// Because the default value for this property is true so we check if user specifically put it false
bool.TryParse(item.InnerText, out bool result);
definition.IsEnabled = result;
}
}
//Check if the view extension definition file was located in a directory which requires certificate validation.
foreach (var pathToVerifyCert in DirectoriesToVerifyCertificates)
{
if (extensionPath.Contains(pathToVerifyCert))
{
definition.RequiresSignedEntryPoint = true;
}
}
var extension = Load(definition);
return(extension);
}
private IViewExtension Load(ViewExtensionDefinition viewExtension)
{
try
{
var assembly = Assembly.LoadFrom(viewExtension.AssemblyPath);
var result = assembly.CreateInstance(viewExtension.TypeName) as IViewExtension;
return result;
}
catch
{
var name = viewExtension.TypeName == null ? "null" : viewExtension.TypeName;
Log("Could not create an instance of " + name);
return null;
}
}
private IViewExtension Load(ViewExtensionDefinition viewExtension)
{
try
{
var assembly = Assembly.LoadFrom(viewExtension.AssemblyPath);
var result = assembly.CreateInstance(viewExtension.TypeName) as IViewExtension;
return(result);
}
catch
{
var name = viewExtension.TypeName == null ? "null" : viewExtension.TypeName;
Log("Could not create an instance of " + name);
return(null);
}
}
