Package net.sf.jazzlib

Class CheckedOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

net.sf.jazzlib.CheckedOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class CheckedOutputStream
extends FilterOutputStream

OutputStream that computes a checksum of data being written using a supplied Checksum object.

See Also:

• Checksum

Field Summary

Fields

Modifier and Type	Field	Description
private final Checksum	sum	The checksum object.

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

Constructors

Constructor	Description
CheckedOutputStream(OutputStream out, Checksum cksum)	Creates a new CheckInputStream on top of the supplied OutputStream using the supplied Checksum.

Method Summary

Modifier and Type	Method	Description
Checksum	getChecksum()	Returns the Checksum object used.
void	write(byte[] buf, int off, int len)	Writes the byte array to the OutputStream and updates the Checksum.
void	write(int bval)	Writes one byte to the OutputStream and updates the Checksum.

Methods inherited from class java.io.FilterOutputStream

close, flush, write

Methods inherited from class java.io.OutputStream

nullOutputStream

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

sum

private final Checksum sum

The checksum object.

Constructor Details

CheckedOutputStream

public CheckedOutputStream(OutputStream out,
 Checksum cksum)

Creates a new CheckInputStream on top of the supplied OutputStream using the supplied Checksum.

Method Details

getChecksum

public Checksum getChecksum()

Returns the Checksum object used. To get the data checksum computed so far call getChecksum.getValue().

write

public void write(int bval)
           throws IOException

Writes one byte to the OutputStream and updates the Checksum.

Overrides:

write in class FilterOutputStream

Throws:

IOException

write

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

Writes the byte array to the OutputStream and updates the Checksum.

Overrides:

write in class FilterOutputStream

Throws:

IOException