Class Blob.BlobSourceOption (2.1.10)
Version 2.1.10keyboard_arrow_down
public static class Blob . BlobSourceOption extends Option
Class for specifying blob source options when Blob methods are used.
Methods
decryptionKey(String key)
public static Blob . BlobSourceOption decryptionKey ( String key )
Returns an option to set a customer-supplied AES256 key for server-side encryption of the
blob.
Parameter
Name Description
key String the AES256 encoded in base64
Returns
decryptionKey(Key key)
public static Blob . BlobSourceOption decryptionKey ( Key key )
Returns an option to set a customer-supplied AES256 key for server-side encryption of the
blob.
Parameter
Returns
generationMatch()
public static Blob . BlobSourceOption generationMatch ()
Returns an option for blob's generation match. If this option is used the request will fail
if generation does not match.
Returns
generationNotMatch()
public static Blob . BlobSourceOption generationNotMatch ()
Returns an option for blob's generation mismatch. If this option is used the request will
fail if generation matches.
Returns
public static Blob . BlobSourceOption metagenerationMatch ()
Returns an option for blob's metageneration match. If this option is used the request will
fail if metageneration does not match.
Returns
public static Blob . BlobSourceOption metagenerationNotMatch ()
Returns an option for blob's metageneration mismatch. If this option is used the request will
fail if metageneration matches.
Returns
public static Blob . BlobSourceOption shouldReturnRawInputStream ( boolean shouldReturnRawInputStream )
Returns an option for whether the request should return the raw input stream, instead of
automatically decompressing the content. By default, this is false for Blob.downloadTo(), but
true for ReadChannel.read().
Parameter
Name Description
shouldReturnRawInputStream boolean
Returns
userProject(String userProject)
public static Blob . BlobSourceOption userProject ( String userProject )
Returns an option for blob's billing user project. This option is used only if the blob's
bucket has requester_pays flag enabled.
Parameter
Name Description
userProject String
Returns
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Last updated 2025-10-11 UTC.
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