ImageResizer.Plugins.AzureReader.AzureVirtualPathProvider Class Reference

Inheritance diagram for ImageResizer.Plugins.AzureReader.AzureVirtualPathProvider:

Collaboration diagram for ImageResizer.Plugins.AzureReader.AzureVirtualPathProvider:

Public Member Functions
	AzureVirtualPathProvider (string blobStorageConnection)
bool	IsPathVirtual (string virtualPath)
	Determines whether a specified virtual path is within the virtual file system. More...
override bool	FileExists (string virtualPath)
	Internal usage only More...
override VirtualFile	GetFile (string virtualPath)
	For internal use only More...
bool	FileExists (string virtualPath, System.Collections.Specialized.NameValueCollection queryString)
	Returns true if the specified file is within the azure virtual directory prefix, and if it exists. Returns true even if the file doesn't exist when LazyExistenceCheck=true More...
IVirtualFile	GetFile (string virtualPath, System.Collections.Specialized.NameValueCollection queryString)
Public Member Functions inherited from ImageResizer.Plugins.IVirtualImageProvider
bool	FileExists (string virtualPath, NameValueCollection queryString)
	Returns true if the specified file exists. More...
IVirtualFile	GetFile (string virtualPath, NameValueCollection queryString)
	Returns a virtual file instance for the specified path and querystring. More...

Properties
string	VirtualFilesystemPrefix [get, set]
	Requests starting with this path will be handled by this virtual path provider. Can be in app-relative form: "~/azure/". Will be translated to domain-relative form. More...
bool	LazyExistenceCheck [get, set]
	If true, More...
CloudBlobClient	CloudBlobClient [get, set]

Detailed Description

Definition at line 12 of file AzureVirtualPathProvider.cs.

Member Function Documentation

override bool ImageResizer.Plugins.AzureReader.AzureVirtualPathProvider.FileExists ( string  virtualPath )

inline

Internal usage only

Parameters

virtualPath

Returns

Definition at line 72 of file AzureVirtualPathProvider.cs.

                                                            {
            if (FileExists(virtualPath, null))
                return true;
            else {
                return Previous.FileExists(virtualPath);
            }
        }

bool ImageResizer.Plugins.AzureReader.AzureVirtualPathProvider.FileExists ( string  virtualPath, System.Collections.Specialized.NameValueCollection  queryString  )

inline

Returns true if the specified file is within the azure virtual directory prefix, and if it exists. Returns true even if the file doesn't exist when LazyExistenceCheck=true

Parameters

virtualPath
queryString

Returns

Definition at line 96 of file AzureVirtualPathProvider.cs.

                                                                                                                   {
            if (IsPathVirtual(virtualPath)) {
                if (LazyExistenceCheck) return true;

                // Strip prefix from virtual path; keep container and blob
                string relativeBlobURL = virtualPath.Substring(VirtualFilesystemPrefix.Length).Trim('/', '\\');

                // Get a reference to the blob
                CloudBlob cloudBlob = CloudBlobClient.GetBlobReference(relativeBlobURL);

                try {
                    cloudBlob.FetchAttributes();
                    return true;
                } catch (StorageClientException e) {
                    if (e.ErrorCode == StorageErrorCode.ResourceNotFound) {
                        return false;
                    } else {
                        throw;
                    }
                }
            }
            return false;
        }

override VirtualFile ImageResizer.Plugins.AzureReader.AzureVirtualPathProvider.GetFile ( string  virtualPath )

inline

For internal use only

Parameters

virtualPath

Returns

Definition at line 85 of file AzureVirtualPathProvider.cs.

                                                                {
            VirtualFile vf = (VirtualFile)GetFile(virtualPath, null);
            return (vf == null) ? Previous.GetFile(virtualPath) : vf;
        }

bool ImageResizer.Plugins.AzureReader.AzureVirtualPathProvider.IsPathVirtual ( string  virtualPath )

inline

Determines whether a specified virtual path is within the virtual file system.

Parameters

virtualPath

An absolute virtual path.

Returns

True if the virtual path is within the virtual file sytem; otherwise, false.

Definition at line 64 of file AzureVirtualPathProvider.cs.

                                                     {
            return (virtualPath.StartsWith(VirtualFilesystemPrefix, StringComparison.OrdinalIgnoreCase));
        }

Property Documentation

bool ImageResizer.Plugins.AzureReader.AzureVirtualPathProvider.LazyExistenceCheck

getset

If true,

Definition at line 36 of file AzureVirtualPathProvider.cs.

string ImageResizer.Plugins.AzureReader.AzureVirtualPathProvider.VirtualFilesystemPrefix

getset

Requests starting with this path will be handled by this virtual path provider. Can be in app-relative form: "~/azure/". Will be translated to domain-relative form.

Definition at line 21 of file AzureVirtualPathProvider.cs.

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The documentation for this class was generated from the following file:

• C:/Users/nathanael/Documents/resizer/Plugins/AzureReader/AzureVirtualPathProvider.cs