Package com.google.appengine.api.blobstore

Provides management and persistent storage of large, immutable byte arrays. This allows applications to accept, save, and later serve files of any size.

See Also:

BlobstoreService, The Blobstore Java API in the Google App Engine Developer's Guide.

Interface Summary

Interface	Description
BlobstoreService	BlobstoreService allows you to manage the creation and serving of large, immutable blobs to users.
IBlobstoreServiceFactory	Creates BlobstoreService implementations.

Class Summary

Class	Description
BlobInfo	BlobInfo contains metadata about a blob.
BlobInfoFactory	BlobInfoFactory provides a trivial interface for retrieving BlobInfo metadata.
BlobKey	BlobKey contains the string identifier of a large (possibly larger than 1MB) blob of binary data that was uploaded in a previous request and can be streamed directly to users.
BlobstoreInputStream	BlobstoreInputStream provides an InputStream view of a blob in Blobstore.
BlobstoreServiceFactory	Creates BlobstoreService implementations.
ByteRange	A byte range as parsed from a request Range header.
FileInfo	FileInfo contains metadata about an uploaded file.
IBlobstoreServiceFactoryProvider	Factory provider for IBlobstoreServiceFactory.
UploadOptions	Allows users to customize the behavior of a single upload to the BlobstoreService.
UploadOptions.Builder	Contains static creation methods for UploadOptions.

Exception Summary

Exception	Description
BlobstoreFailureException	BlobstoreFailureException is an unchecked exception that is thrown for any unexpected error that occurs while communicating with the blobstore.
BlobstoreInputStream.BlobstoreIOException	A subclass of IOException that indicates that there was a problem interacting with Blobstore.
BlobstoreInputStream.ClosedStreamException	A subclass of IOException that indicates operations on a stream after it is closed.
RangeFormatException	RangeFormatException is an unchecked exception that is thrown when an invalid Range header format is provided.
UnsupportedRangeFormatException	UnsupportedRangeFormatException is an unchecked exception that is thrown when an valid but unsupported Range header format is provided.