private Dictionary <string, ValidationMethodPair> LoadValidationAssemblies(IEnumerable <string> validatorPaths)
{
var ruleToMethodMap = new Dictionary <string, ValidationMethodPair>();
AppDomain.CurrentDomain.AssemblyResolve += new ResolveEventHandler(CurrentDomain_AssemblyResolve);
foreach (string validatorPath in validatorPaths)
{
Assembly assembly = null;
if (_fileSystem.FileExists(validatorPath))
{
try
{
assemblyBaseFolder = Path.GetDirectoryName(validatorPath);
assembly = _fileSystem.AssemblyLoadFrom(validatorPath);
}
catch (ReflectionTypeLoadException)
{
// TODO log something here.
}
if (assembly == null)
{
continue;
}
foreach (Type type in assembly.GetTypes())
{
string typeName = type.Name;
if (!typeName.EndsWith("Validator") || typeName.Equals("Validator"))
{
continue;
}
MethodInfo isValidStatic = type.GetMethod(
"IsValidStatic",
new[]
{
typeof(string).MakeByRefType(), // Matched pattern.
typeof(Dictionary <string, string>).MakeByRefType(), // Regex groups.
typeof(string).MakeByRefType(), // FailureLevel.
typeof(string).MakeByRefType(), // Fingerprint.
typeof(string).MakeByRefType(), // Message.
},
null);
if (isValidStatic == null || isValidStatic?.ReturnType != typeof(string))
{
continue;
}
MethodInfo isValidDynamic = type.GetMethod(
"IsValidDynamic",
new[]
{
typeof(string).MakeByRefType(), // Fingerprint.
typeof(string).MakeByRefType(), // Message.
},
null);
if (isValidDynamic?.ReturnType != typeof(string))
{
isValidDynamic = null;
}
ruleToMethodMap[typeName] = new ValidationMethodPair
{
IsValidStatic = isValidStatic,
IsValidDynamic = isValidDynamic,
};
}
}
}
return(ruleToMethodMap);
}
