public static Version GetMaxVersion()
{
return(AssemblyUtils.GetMaxWebPagesVersion());
}
/// <param name="path">Physical or virtual path to a directory where we need to determine the version of WebPages to be used.</param>
/// <remarks>
/// In a non-hosted scenario, this method would only look at a web.config that is present at the current path. Any config settings at an
/// ancestor directory would not be considered.
/// </remarks>
public static Version GetVersionWithoutEnabledCheck(string path)
{
var maxVersion = AssemblyUtils.GetMaxWebPagesVersion();
return(GetVersionWithoutEnabledCheckInternal(path, maxVersion));
}
public static IEnumerable <AssemblyName> GetWebPagesAssemblies()
{
return(AssemblyUtils.GetAssembliesForVersion(AssemblyUtils.ThisAssemblyName.Version));
}
// Adds Parameter for unit tests
internal static bool StartCore(
IFileSystem fileSystem,
string appDomainAppPath,
string binDirectory,
NameValueCollection appSettings,
IEnumerable <AssemblyName> loadedAssemblies,
IBuildManager buildManager,
Action <Version> loadWebPages,
Action registerForChangeNotification,
Func <string, AssemblyName> getAssemblyNameThunk = null
)
{
if (WebPagesDeployment.IsExplicitlyDisabled(appSettings))
{
// If WebPages is explicitly disabled, exit.
Debug.WriteLine(
"WebPages Bootstrapper v{0}: not loading WebPages since it is disabled",
AssemblyUtils.ThisAssemblyName.Version
);
return(false);
}
Version maxWebPagesVersion = AssemblyUtils.GetMaxWebPagesVersion(loadedAssemblies);
Debug.Assert(maxWebPagesVersion != null, "Function must return some max value.");
if (AssemblyUtils.ThisAssemblyName.Version != maxWebPagesVersion)
{
// Always let the highest version determine what needs to be done. This would make future proofing simpler.
Debug.WriteLine(
"WebPages Bootstrapper v{0}: Higher version v{1} is available.",
AssemblyUtils.ThisAssemblyName.Version,
maxWebPagesVersion
);
return(false);
}
var webPagesEnabled = WebPagesDeployment.IsEnabled(
fileSystem,
appDomainAppPath,
appSettings
);
Version binVersion = AssemblyUtils.GetVersionFromBin(
binDirectory,
fileSystem,
getAssemblyNameThunk
);
Version configVersion = WebPagesDeployment.GetVersionFromConfig(appSettings);
Version version = configVersion ?? binVersion ?? AssemblyUtils.WebPagesV1Version;
// Asserts to ensure unit tests are set up correctly. So essentially, we're unit testing the unit tests.
Debug.Assert(version != null, "GetVersion always returns a version");
Debug.Assert(
binVersion == null || binVersion <= maxWebPagesVersion,
"binVersion cannot be higher than max version"
);
if ((binVersion != null) && (binVersion != version))
{
// Determine if there's a version conflict. A conflict could occur if there's a version specified in the bin which is different from the version specified in the
// config that is different.
throw new InvalidOperationException(
String.Format(
CultureInfo.CurrentCulture,
ConfigurationResources.WebPagesVersionConflict,
version,
binVersion
)
);
}
else if (binVersion != null)
{
// The rest of the code is only meant to be executed if we are executing from the GAC.
// If a version is bin deployed, we don't need to do anything special to bootstrap.
return(false);
}
else if (!webPagesEnabled)
{
Debug.WriteLine(
"WebPages Bootstrapper v{0}: WebPages not enabled, registering for change notifications",
AssemblyUtils.ThisAssemblyName.Version
);
// Register for change notifications under the application root
registerForChangeNotification();
return(false);
}
else if (!AssemblyUtils.IsVersionAvailable(loadedAssemblies, version))
{
if (
version == AssemblyUtils.WebPagesV1Version &&
configVersion == null &&
binVersion == null
)
{
// No version was specified. We're implicitly assuming that the site is a v1 site. However, the user does not have V1 binaries available.
throw new InvalidOperationException(
ConfigurationResources.WebPagesImplicitVersionFailure
);
}
else
{
throw new InvalidOperationException(
String.Format(
CultureInfo.CurrentCulture,
ConfigurationResources.WebPagesVersionNotFound,
version,
AssemblyUtils.ThisAssemblyName.Version
)
);
}
}
Debug.WriteLine(
"WebPages Bootstrapper v{0}: loading version {1}, loading WebPages",
AssemblyUtils.ThisAssemblyName.Version,
version
);
// If the version the application was compiled earlier was different, invalidate compilation results by adding a file to the bin.
InvalidateCompilationResultsIfVersionChanged(
buildManager,
fileSystem,
binDirectory,
version
);
loadWebPages(version);
return(true);
}
