org.compiere.utils
Class DigestOfFile

java.lang.Object
  org.compiere.utils.DigestOfFile

public class DigestOfFile

extends java.lang.Object

Author:

rlemeill

Field Summary

private sun.misc.BASE64Encoder	base64Encoder
private byte[]	buffer
private java.security.MessageDigest	digestAgent
private static char[]	HEX_CHARS

Constructor Summary

DigestOfFile(java.lang.String mode)

Method Summary

java.lang.String	digestAsBase64(java.io.File file)
byte[]	digestAsByteArray(java.io.File file)
static java.lang.String	GetLocalMD5Hash(java.io.File file)
static void	main(java.lang.String[] args)
static boolean	md5localHashCompare(java.io.File file1, java.io.File file2)

Methods inherited from class java.lang.Object

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

Field Detail

HEX_CHARS

private static final char[] HEX_CHARS

digestAgent

private java.security.MessageDigest digestAgent

base64Encoder

private sun.misc.BASE64Encoder base64Encoder

buffer

private byte[] buffer

Constructor Detail

DigestOfFile

public DigestOfFile(java.lang.String mode)
             throws java.lang.Exception

Parameters:

mode - ie MD5

Throws:

java.lang.Exception

Method Detail

digestAsByteArray

public byte[] digestAsByteArray(java.io.File file)
                         throws java.lang.Exception

Parameters:

file - to hash

Returns:

hash

Throws:

java.lang.Exception

digestAsBase64

public java.lang.String digestAsBase64(java.io.File file)
                                throws java.lang.Exception

Parameters:

file -

Returns:

hash (base64 encoded)

Throws:

java.lang.Exception

main

public static void main(java.lang.String[] args)

Parameters:

args - file

md5localHashCompare

public static boolean md5localHashCompare(java.io.File file1,
                                          java.io.File file2)

Parameters:

file1 - first file to compare

file2 - second file to compare

Returns:

true if files are identic false otherwise

GetLocalMD5Hash

public static java.lang.String GetLocalMD5Hash(java.io.File file)

Parameters:

file -

Returns:

md5 hash null if file is not found or other error