protected override void GetItem(string path)
{
using (PscxProviderContext <AssemblyCacheProvider> .Enter(this))
{
WriteDebug("GetItem: " + path);
path = NormalizePath(path);
ICollection <AssemblyName> assemblyNames = GetAssemblyNames(path);
// FIXME: PowerShell Connect #387048
if (path == BACKSLASH)
{
// root, e.g. GAC:\
WriteItemObject(assemblyNames, String.Empty, true);
}
else
{
// a path, e.g. gac:system.web
foreach (AssemblyName assemblyName in assemblyNames)
{
if (MatchesDynamicParameterFilters(assemblyName))
{
WriteItemObject(assemblyName, path, false);
}
}
}
}
}
protected virtual void WritePathItems(string path, bool namesOnly)
{
using (PscxProviderContext <AssemblyCacheProvider> .Enter(this))
{
if (namesOnly)
{
// note:
// dynamic parameters are NOT used here
// due to the "one to many" relationship.
// write out keys in cache
AssemblyNameCache cache = GetCache(path);
foreach (string cachedPath in cache.Paths)
{
WriteItemObject(cachedPath, cachedPath, false);
}
}
else
{
// write out values in cache
ICollection <AssemblyName> assemblyNames = GetAssemblyNames(path);
foreach (AssemblyName assemblyName in assemblyNames)
{
if (MatchesDynamicParameterFilters(assemblyName))
{
WriteItemObject(assemblyName, assemblyName.Name, false);
}
}
}
}
}
protected override void GetChildNames(string path, ReturnContainers returnContainers)
{
using (PscxProviderContext <AssemblyCacheProvider> .Enter(this))
{
WriteDebug(String.Format("GetChildNames: {0} ; returnContainers: {1}", path, returnContainers));
path = NormalizePath(path);
WritePathItems(path, true);
}
}
protected override void GetChildItems(string path, bool recurse)
{
using (PscxProviderContext <AssemblyCacheProvider> .Enter(this))
{
WriteDebug(String.Format("GetChildItems: {0} ; recurse: {1}", path, recurse));
path = NormalizePath(path);
WritePathItems(path, false);
}
}
protected override bool HasChildItems(string path)
{
// oisin: undid shortcut hack here (assumed gac and never empty)
// because provider qualified paths in future will allow
// zap/download cache querying which may or may not be empty.
using (PscxProviderContext <AssemblyCacheProvider> .Enter(this))
{
path = NormalizePath(path);
if (path == BACKSLASH)
{
return(GetAssemblyNames(path).Count > 0);
}
return(false);
}
}
protected override bool ItemExists(string path)
{
using (PscxProviderContext <AssemblyCacheProvider> .Enter(this))
{
WriteDebug("ItemExists: " + path);
path = NormalizePath(path);
if (path == BACKSLASH)
{
return(true);
}
return(GetAssemblyNames(path).Count > 0);
}
}
protected override void InvokeDefaultAction(string path)
{
using (PscxProviderContext <AssemblyCacheProvider> .Enter(this))
{
path = NormalizePath(path);
if (path == BACKSLASH)
{
if (!ShouldContinue(Properties.Resources.AssemblyCacheLoadEntireGac,
"Invoke-Item"))
{
// OK, so we're NOT going to load the entire GAC.
return;
}
}
ICollection <AssemblyName> names = GetAssemblyNames(path);
string operation = IsParameterReflectionOnlySet ?
"ReflectionOnlyLoad" : "Load";
foreach (AssemblyName name in names)
{
if (MatchesDynamicParameterFilters(name))
{
if (ShouldProcess(name.FullName, operation))
{
Assembly assembly = IsParameterReflectionOnlySet
?
Assembly.ReflectionOnlyLoad(name.FullName)
:
Assembly.Load(name);
if (IsParameterReflectionOnlySet)
{
PromptToPreloadReferences(assembly);
}
WriteItemObject(assembly, path, false);
}
}
}
}
}
private PscxThreadContext.Cookie EnterContext()
{
return(PscxProviderContext <DirectoryServiceProvider> .Enter(this));
}
