CheckedOutputStream

public class CheckedOutputStream extends FilterOutputStream

An output stream that also maintains a checksum of the data being written. The checksum can then be used to verify the integrity of the output data.

See Also

Inherited Field Summary

Public Constructor Summary

CheckedOutputStream(OutputStream out, Checksum cksum)
Creates an output stream with the specified Checksum.

Public Method Summary

Checksum
getChecksum()
Returns the Checksum for this output stream.
void
write(byte[] b, int off, int len)
Writes an array of bytes.
void
write(int b)
Writes a byte.

Inherited Method Summary

Public Constructors

public CheckedOutputStream (OutputStream out, Checksum cksum)

Creates an output stream with the specified Checksum.

Parameters
out the output stream
cksum the checksum

Public Methods

public Checksum getChecksum ()

Returns the Checksum for this output stream.

Returns
  • the Checksum

public void write (byte[] b, int off, int len)

Writes an array of bytes. Will block until the bytes are actually written.

Parameters
b the data to be written
off the start offset of the data
len the number of bytes to be written
Throws
IOException if an I/O error has occurred

public void write (int b)