private static IABProviderFactory GetProviderFactory(string providerName)
{
if (string.IsNullOrEmpty(providerName))
{
throw new ArgumentNullException("providerName");
}
ExTraceGlobals.FrameworkTracer.TraceDebug <string>(0L, "Getting provider factor for provider '{0}'.", providerName);
IABProviderFactory iabproviderFactory;
if (!ABFactory.addressBookProviders.TryGetValue(providerName, out iabproviderFactory))
{
lock (ABFactory.loadABProviderSync)
{
if (!ABFactory.addressBookProviders.TryGetValue(providerName, out iabproviderFactory))
{
string assemblyFullPath = ABFactory.GetAssemblyFullPath(Assembly.GetExecutingAssembly().Location, providerName);
ExTraceGlobals.FrameworkTracer.TraceDebug <string, string>(0L, "First time to create a session for AB Provider '{0}', loading it from '{1}'.", providerName, assemblyFullPath);
iabproviderFactory = ABFactory.LoadProviderFactory(providerName, assemblyFullPath);
Dictionary <string, IABProviderFactory> dictionary = new Dictionary <string, IABProviderFactory>(ABFactory.addressBookProviders, StringComparer.OrdinalIgnoreCase);
dictionary[providerName] = iabproviderFactory;
ABFactory.addressBookProviders = dictionary;
}
}
}
return(iabproviderFactory);
}
internal static ABProviderCapabilities GetProviderCapabilities(IABSessionSettings addressBookSessionSettings)
{
if (addressBookSessionSettings == null)
{
throw new ArgumentNullException("addressBookSessionSettings");
}
string providerName = ABFactory.GetProviderName(addressBookSessionSettings);
ExTraceGlobals.FrameworkTracer.TraceDebug <string>(0L, "Getting provider capabilities for provider '{0}'.", providerName);
IABProviderFactory providerFactory = ABFactory.GetProviderFactory(providerName);
return(providerFactory.GetProviderCapabilities(addressBookSessionSettings));
}
internal static ABSession CreateABSession(IABSessionSettings addressBookSessionSettings)
{
if (addressBookSessionSettings == null)
{
throw new ArgumentNullException("addressBookSessionSettings");
}
string providerName = ABFactory.GetProviderName(addressBookSessionSettings);
ExTraceGlobals.FrameworkTracer.TraceDebug <string>(0L, "Creating session for provider '{0}'.", providerName);
ABFactory.ThrowIfDisabled(addressBookSessionSettings);
IABProviderFactory providerFactory = ABFactory.GetProviderFactory(providerName);
return(providerFactory.Create(addressBookSessionSettings));
}
private static IABProviderFactory LoadProviderFactory(string providerName, string assemblyPath)
{
Assembly assembly;
try
{
assembly = Assembly.LoadFrom(assemblyPath);
}
catch (FileNotFoundException ex)
{
ExTraceGlobals.FrameworkTracer.TraceError(0L, "Failed to load ABProvider: FileNotFound exception.");
Globals.LogEvent(DirectoryEventLogConstants.Tuple_UnableToLoadABProvider, assemblyPath, new object[]
{
providerName,
assemblyPath,
ex
});
throw new ABProviderLoadException(DirectoryStrings.ProviderFileNotFoundLoadException(providerName, assemblyPath), ex);
}
catch (FileLoadException ex2)
{
ExTraceGlobals.FrameworkTracer.TraceError(0L, "Failed to load ABProvider: FileLoadException exception.");
Globals.LogEvent(DirectoryEventLogConstants.Tuple_UnableToLoadABProvider, assemblyPath, new object[]
{
providerName,
assemblyPath,
ex2
});
throw new ABProviderLoadException(DirectoryStrings.ProviderFileLoadException(providerName, assemblyPath), ex2);
}
catch (BadImageFormatException ex3)
{
ExTraceGlobals.FrameworkTracer.TraceError(0L, "Failed to load ABProvider: BadImageFormatException exception.");
Globals.LogEvent(DirectoryEventLogConstants.Tuple_UnableToLoadABProvider, assemblyPath, new object[]
{
providerName,
assemblyPath,
ex3
});
throw new ABProviderLoadException(DirectoryStrings.ProviderBadImpageFormatLoadException(providerName, assemblyPath), ex3);
}
string abfactoryClassNameFromProviderName = ABFactory.GetABFactoryClassNameFromProviderName(providerName);
IABProviderFactory iabproviderFactory = (IABProviderFactory)assembly.CreateInstance(abfactoryClassNameFromProviderName, true);
if (iabproviderFactory == null)
{
string text = string.Format(CultureInfo.InvariantCulture, "Failed to load ABProvider: Factory class '{0}' not found.", new object[]
{
abfactoryClassNameFromProviderName
});
ExTraceGlobals.FrameworkTracer.TraceError(0L, text);
Globals.LogEvent(DirectoryEventLogConstants.Tuple_UnableToLoadABProvider, assemblyPath, new object[]
{
providerName,
assemblyPath,
text
});
throw new ABProviderLoadException(DirectoryStrings.ProviderFactoryClassNotFoundLoadException(providerName, assemblyPath, abfactoryClassNameFromProviderName));
}
return(iabproviderFactory);
}
private static string GetAssemblyFullPath(string executingAssemblyPath, string providerName)
{
return(Path.Combine(Path.GetDirectoryName(executingAssemblyPath), ABFactory.GetAssemblyNameFromProviderName(providerName)));
}