Package com.google.appengine.api.files

Interface Summary

FileReadChannel	An ReadableByteChannel for reading bytes from an AppEngineFile.
FileService	This is the interface for interacting with the Google App Engine File Service.
FileWriteChannel	An WritableByteChannel for appending bytes to an AppEngineFile.
RecordReadChannel	A channel for reading records from a FileReadChannel.
RecordWriteChannel	A @{link WritableByteChannel} for writing records to an 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.
GSFileOptions	Container class for holding options for creating Google Storage files.
GSFileOptions.GSFileOptionsBuilder
RecordWriteChannelImpl	An implementation of a RecordWriteChannel.

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