Package com.google.appengine.api.files

Provides a service for file storage and access.

See:
          Description

Interface Summary
FileReadChannel A ReadableByteChannel for reading bytes from an AppEngineFile.
FileService This is the interface for interacting with the Google App Engine File Service.
FileWriteChannel A WritableByteChannel for appending bytes to an AppEngineFile.
RecordReadChannel A channel for reading records from a FileReadChannel.
RecordWriteChannel A WritableByteChannel for writing records to a FileWriteChannel.
 

Class Summary
AppEngineFile An AppEngineFile represents a file in one of the Google App Engine file systems.
Crc32c This class generates a CRC32C checksum, defined by rfc3720 section B.4.
FileServiceFactory A factory for producing instances of FileService.
FileStat A FileStat contains information about a single file.
GSFileOptions Container class for holding options for creating Google Storage files.
GSFileOptions.GSFileOptionsBuilder A builder of GSFileOptions.
 

Enum Summary
AppEngineFile.FileSystem Represents the back-end storage location of a file.
 

Exception Summary
FinalizationException An Exception that indicates that a file is in the wrong finalization state.
KeyOrderingException A KeyOrderingException is thrown by the method FileWriteChannel.write(ByteBuffer, String) if the sequenceKey parameter is not null and the backend system already has recorded a last good sequence key for the file and sequenceKey is not lexicographically strictly greater than the last good sequence key.
LockException An exception that indicates one of two possible cases: An exclusive lock on a file is held by a different App Engine request and so the file may not be accessed in this request This request is trying to acquire an exclusive lock on a file but the file is already opened in a different App Engine request
 

Package com.google.appengine.api.files Description

Provides a service for file storage and access.

See Also:
FileService, The Google Cloud Storage API in the Google App Engine Developer's Guide.