public bool TryChainUp(IFileSystemResourceAccessor potentialBaseResourceAccessor, string path, out IFileSystemResourceAccessor resultResourceAccessor)
{
resultResourceAccessor = null;
string resourcePathName = potentialBaseResourceAccessor.ResourcePathName;
if (string.IsNullOrEmpty(resourcePathName) || !potentialBaseResourceAccessor.IsFile ||
!".zip".Equals(DosPathHelper.GetExtension(resourcePathName), StringComparison.OrdinalIgnoreCase))
{
return(false);
}
lock (_syncObj)
{
string key = potentialBaseResourceAccessor.CanonicalLocalResourcePath.Serialize();
try
{
ZipResourceProxy proxy;
if (!_zipUsages.TryGetValue(key, out proxy))
{
_zipUsages.Add(key, proxy = CreateZipResourceProxy(key, potentialBaseResourceAccessor));
}
resultResourceAccessor = new ZipResourceAccessor(this, proxy, path);
}
catch (Exception e)
{
ServiceRegistration.Get <ILogger>().Warn("ZipResourceProvider: Error chaining up to '{0}'", e, potentialBaseResourceAccessor.CanonicalLocalResourcePath);
return(false);
}
return(true);
}
}
public bool IsResource(IFileSystemResourceAccessor baseResourceAccessor, string path)
{
string entryPath = ZipResourceAccessor.ToEntryPath(path);
lock (_syncObj)
{
string key = baseResourceAccessor.CanonicalLocalResourcePath.Serialize();
try
{
ZipResourceProxy proxy;
if (_zipUsages.TryGetValue(key, out proxy))
{
return(path.Equals("/") || ZipResourceAccessor.IsResource(proxy.ZipFile, entryPath));
}
}
catch (Exception)
{
return(false);
}
}
using (Stream resourceStream = baseResourceAccessor.OpenRead()) // Not sure if the ZipFile will close the stream so we dispose it here
try
{
using (ZipFile zFile = new ZipFile(resourceStream))
return(path.Equals("/") || ZipResourceAccessor.IsResource(zFile, entryPath));
}
catch (Exception)
{
return(false);
}
}
public bool TryChainUp(IFileSystemResourceAccessor potentialBaseResourceAccessor, string path, out IFileSystemResourceAccessor resultResourceAccessor)
{
resultResourceAccessor = null;
string resourcePathName = potentialBaseResourceAccessor.ResourcePathName;
if (string.IsNullOrEmpty(resourcePathName) || !potentialBaseResourceAccessor.IsFile ||
!".zip".Equals(DosPathHelper.GetExtension(resourcePathName), StringComparison.OrdinalIgnoreCase))
return false;
lock (_syncObj)
{
string key = potentialBaseResourceAccessor.CanonicalLocalResourcePath.Serialize();
try
{
ZipResourceProxy proxy;
if (!_zipUsages.TryGetValue(key, out proxy))
_zipUsages.Add(key, proxy = CreateZipResourceProxy(key, potentialBaseResourceAccessor));
resultResourceAccessor = new ZipResourceAccessor(this, proxy, path);
}
catch (Exception e)
{
ServiceRegistration.Get<ILogger>().Warn("ZipResourceProvider: Error chaining up to '{0}'", e, potentialBaseResourceAccessor.CanonicalLocalResourcePath);
return false;
}
return true;
}
}
