com.aoindustries.io

Class ZeroFile

java.lang.Object

com.aoindustries.io.ZeroFile

public class ZeroFile
extends Object

Zeros-out a file, only writing the blocks of the destination that contain any non-zero value. This is to clear flash media with minimal writes.

Author:

AO Industries, Inc.

Constructor Summary

Constructors

Constructor and Description
ZeroFile()

Method Summary

Modifier and Type	Method and Description
static void	main(String[] args)
static long	zeroFile(int bpsIn, int bpsOut, RandomAccessFile raf) Zeroes the provided random access file, only writing blocks that contain non-zero.

Methods inherited from class java.lang.Object

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

Constructor Detail

ZeroFile

public ZeroFile()

Method Detail

main

public static void main(String[] args)

zeroFile

public static long zeroFile(int bpsIn,
                            int bpsOut,
                            RandomAccessFile raf)
                     throws IOException

Zeroes the provided random access file, only writing blocks that contain non-zero. Reads at the maximum provided bpsIn blocks per second. Writes at the maximum provided bpsOut blocks per second. Returns the number of bytes written.

Throws:

IOException