Class CheckedOutputStream

• java.lang.Object
• • java.io.OutputStream
  • • java.io.FilterOutputStream
    • • java.util.zip.CheckedOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

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:

Checksum

Fields

Fields inherited from class java.io.FilterOutputStream

out

Constructors

CheckedOutputStream

public CheckedOutputStream(OutputStream out,
                           Checksum cksum)

Creates an output stream with the specified Checksum.

Parameters:

out - the output stream

cksum - the checksum

Methods

write

public void write(int b)
           throws IOException

Writes a byte. Will block until the byte is actually written.

Overrides:

write in class FilterOutputStream

Parameters:

b - the byte to be written

Throws:

IOException - if an I/O error has occurred

write

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

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

Overrides:

write in class FilterOutputStream

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

See Also:

FilterOutputStream.write(int)

getChecksum

public Checksum getChecksum()

Returns the Checksum for this output stream.

Returns:

the Checksum