Class ImplementationStoreUtils

Helper methods for IImplementationStores and paths.

Inheritance

Object

ImplementationStoreUtils

Namespace: ZeroInstall.Store.Implementations

Assembly: ZeroInstall.Store.dll

Syntax

public static class ImplementationStoreUtils : Object

Methods

GetPath(IImplementationStore, ImplementationBase)

Determines the local path of an implementation.

Declaration

public static string GetPath(this IImplementationStore store, ImplementationBase implementation)

Parameters

Type	Name	Description
IImplementationStore	store	The store containing the implementation.
ImplementationBase	implementation	The implementation to be located.

Returns

Type	Description
String	A fully qualified path to the directory containing the implementation.

Exceptions

Type	Condition
ImplementationNotFoundException	The implementation is not cached yet.
UnauthorizedAccessException	Read access to the store is not permitted.

IsImplementation(String, out String)

Determines whether a path looks like it is inside a store implementation known by ManifestFormat.

Declaration

public static bool IsImplementation(string path, out string implementationPath)

Parameters

Type	Name	Description
String	path	A path to a directory that may or may not be inside a store implementation.
String	implementationPath	The top-level of the detected store implementation directory if any; null otherwise.

Returns

Type	Description
Boolean

Remarks

Performs no file system access. Only looks at the path string itself.

Verify(String, ManifestDigest, ITaskHandler)

Checks whether an implementation directory matches the expected digest. Throws DigestMismatchException if it does not match.

Declaration

public static void Verify(string path, ManifestDigest manifestDigest, ITaskHandler handler)

Parameters

Type	Name	Description
String	path	The path of the directory ot check.
ManifestDigest	manifestDigest	The expected digest.
ITaskHandler	handler	A callback object used when the the user is to be informed about progress.

Exceptions

Type	Condition
OperationCanceledException	The user canceled the task.
NotSupportedException	manifestDigest does not list any supported digests.
IOException	The directory could not be processed.
UnauthorizedAccessException	Read access to the directory is not permitted.
DigestMismatchException	The directory does not match the expected digest