@Beta public final class HashingOutputStream extends FilterOutputStream
OutputStream that maintains a hash of the data written to it.out| Constructor and Description |
|---|
HashingOutputStream(HashFunction hashFunction,
OutputStream out)
Creates an output stream that hashes using the given
HashFunction, and forwards all
data written to it to the underlying OutputStream. |
public HashingOutputStream(HashFunction hashFunction, OutputStream out)
HashFunction, and forwards all
data written to it to the underlying OutputStream.
The OutputStream should not be written to before or after the hand-off.
public void write(int b) throws IOException
write in class FilterOutputStreamIOExceptionpublic void write(byte[] bytes, int off, int len) throws IOException
write in class FilterOutputStreamIOException@CheckReturnValue public HashCode hash()
HashCode based on the data written to this stream. The result is
unspecified if this method is called more than once on the same instance.public void close() throws IOException
close in interface Closeableclose in interface AutoCloseableclose in class FilterOutputStreamIOExceptionCopyright © 2010-2015. All Rights Reserved.