com.exlibris.digitool.infrastructure.utils

Class Checksummer

java.lang.Object

com.exlibris.digitool.infrastructure.utils.Checksummer

public final class Checksummer
extends java.lang.Object

Author:

bens After updating this class please update the identical class located at: package com.exlibris.core.infra.common.util

Constructor Summary

Constructors

Constructor and Description
Checksummer(byte[] byteBuffer) Run all three checksums on the byteBuffer specified
Checksummer(byte[] byteBuffer, boolean calcMD5, boolean calcSHA1, boolean calcCRC32) Run checksums on the byteBuffer specified, for all checks set to true.
Checksummer(byte[] byteBuffer, boolean calcMD5, boolean calcSHA1, boolean calcCRC32, boolean calcSHA256)
Checksummer(java.io.File file) Run all three checksums on the file specified
Checksummer(java.io.File file, boolean calcMD5, boolean calcSHA1, boolean calcCRC32) Run checksums on the file specified, for all algorithm types set to true.
Checksummer(java.io.File file, boolean calcMD5, boolean calcSHA1, boolean calcCRC32, boolean calcSHA256)
Checksummer(java.io.File file, java.lang.String mdImpl) Run all three checksums on the file specified, and will also run the checksum implementation specified.
Checksummer(java.io.InputStream is) Run all three checksums on the InputStream specified
Checksummer(java.io.InputStream is, boolean calcMD5, boolean calcSHA1, boolean calcCRC32) Run all three checksums on the InputStream specified, for all algorithm types set to true.
Checksummer(java.io.InputStream is, boolean calcMD5, boolean calcSHA1, boolean calcCRC32, boolean calcSHA256)
Checksummer(java.io.InputStream is, java.io.OutputStream output, boolean calcMD5, boolean calcSHA1, boolean calcCRC32) Run all three checksums on the InputStream specified, for all algorithm types set to true.
Checksummer(java.io.InputStream is, java.io.OutputStream output, boolean calcMD5, boolean calcSHA1, boolean calcCRC32, boolean calcSHA256)
Checksummer(java.lang.String str) Run all three checksums on the string specified
Checksummer(java.lang.String str, boolean calcMD5, boolean calcSHA1, boolean calcCRC32) Run all three checksums on the string specified, for all algorithm types set to true.
Checksummer(java.lang.String str, boolean calcMD5, boolean calcSHA1, boolean calcCRC32, boolean calcSHA256)
Checksummer(java.lang.String str, java.lang.String mdImpl) Run all three checksums on the string specified, and will also run the checksum implementation specified.

Method Summary

Modifier and Type	Method and Description
void	createChecksumAndCopyFile()
static java.lang.String	decimal2hex(int d) Converts a number to hex string
java.lang.String	getChecksum(java.lang.String mdImpl)
java.lang.String	getCRC32()
java.lang.String	getMD5()
java.lang.String	getOther()
java.lang.String	getSHA1()
java.lang.String	getSHA256()
static long	hex2decimal(java.lang.String s) Converts hex string to a number
static void	main(java.lang.String[] args)

Methods inherited from class java.lang.Object

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

Constructor Detail

Checksummer

public Checksummer(java.io.File file)
            throws java.io.FileNotFoundException,
                   java.io.IOException

Run all three checksums on the file specified

Parameters:

file -

Throws:

java.io.FileNotFoundException

java.io.IOException

Checksummer

public Checksummer(java.io.File file,
                   boolean calcMD5,
                   boolean calcSHA1,
                   boolean calcCRC32)
            throws java.io.IOException

Run checksums on the file specified, for all algorithm types set to true.

Parameters:

file -

calcMD5 -

calcSHA1 -

calcCRC32 -

Throws:

java.io.IOException

Checksummer

public Checksummer(java.io.File file,
                   java.lang.String mdImpl)
            throws java.io.FileNotFoundException,
                   java.io.IOException

Run all three checksums on the file specified, and will also run the checksum implementation specified.

Parameters:

file -

mdImpl - - specify the check implementation

Throws:

java.io.FileNotFoundException

java.io.IOException

Checksummer

public Checksummer(byte[] byteBuffer)
            throws java.io.FileNotFoundException,
                   java.io.IOException

Run all three checksums on the byteBuffer specified

Parameters:

byteBuffer -

Throws:

java.io.FileNotFoundException

java.io.IOException

Checksummer

public Checksummer(byte[] byteBuffer,
                   boolean calcMD5,
                   boolean calcSHA1,
                   boolean calcCRC32)
            throws java.io.FileNotFoundException,
                   java.io.IOException

Run checksums on the byteBuffer specified, for all checks set to true.

Parameters:

byteBuffer -

calcMD5 -

calcSHA1 -

calcCRC32 -

Throws:

java.io.FileNotFoundException

java.io.IOException

Checksummer

public Checksummer(java.lang.String str,
                   boolean calcMD5,
                   boolean calcSHA1,
                   boolean calcCRC32)
            throws java.io.FileNotFoundException,
                   java.io.IOException

Run all three checksums on the string specified, for all algorithm types set to true.

Parameters:

str -

calcMD5 -

calcSHA1 -

calcCRC32 -

Throws:

java.io.FileNotFoundException

java.io.IOException

Checksummer

public Checksummer(java.lang.String str)
            throws java.io.FileNotFoundException,
                   java.io.IOException

Run all three checksums on the string specified

Parameters:

str -

Throws:

java.io.FileNotFoundException

java.io.IOException

Checksummer

public Checksummer(java.lang.String str,
                   java.lang.String mdImpl)
            throws java.io.FileNotFoundException,
                   java.io.IOException

Run all three checksums on the string specified, and will also run the checksum implementation specified.

Parameters:

str -

mdImpl -

Throws:

java.io.FileNotFoundException

java.io.IOException

Checksummer

public Checksummer(java.io.InputStream is)
            throws java.io.IOException

Run all three checksums on the InputStream specified

Parameters:

is -

Throws:

java.io.IOException

Checksummer

public Checksummer(java.io.InputStream is,
                   boolean calcMD5,
                   boolean calcSHA1,
                   boolean calcCRC32)
            throws java.io.IOException

Run all three checksums on the InputStream specified, for all algorithm types set to true.

Parameters:

is -

calcMD5 -

calcSHA1 -

calcCRC32 -

Throws:

java.io.IOException

Checksummer

public Checksummer(java.io.InputStream is,
                   java.io.OutputStream output,
                   boolean calcMD5,
                   boolean calcSHA1,
                   boolean calcCRC32)
            throws java.io.IOException

Run all three checksums on the InputStream specified, for all algorithm types set to true.

Parameters:

is -

output -

calcMD5 -

calcSHA1 -

calcCRC32 -

Throws:

java.io.IOException

Checksummer

public Checksummer(java.io.InputStream is,
                   java.io.OutputStream output,
                   boolean calcMD5,
                   boolean calcSHA1,
                   boolean calcCRC32,
                   boolean calcSHA256)
            throws java.io.IOException

Parameters:

is -

output -

calcMD5 -

calcSHA1 -

calcCRC32 -

calcSHA256 -

Throws:

java.io.IOException

Checksummer

public Checksummer(java.io.InputStream is,
                   boolean calcMD5,
                   boolean calcSHA1,
                   boolean calcCRC32,
                   boolean calcSHA256)
            throws java.io.IOException

Parameters:

is -

calcMD5 -

calcSHA1 -

calcCRC32 -

calcSHA256 -

Throws:

java.io.IOException

Checksummer

public Checksummer(java.io.File file,
                   boolean calcMD5,
                   boolean calcSHA1,
                   boolean calcCRC32,
                   boolean calcSHA256)
            throws java.io.IOException

Throws:

java.io.IOException

Checksummer

public Checksummer(byte[] byteBuffer,
                   boolean calcMD5,
                   boolean calcSHA1,
                   boolean calcCRC32,
                   boolean calcSHA256)
            throws java.io.FileNotFoundException,
                   java.io.IOException

Throws:

java.io.FileNotFoundException

java.io.IOException

Checksummer

public Checksummer(java.lang.String str,
                   boolean calcMD5,
                   boolean calcSHA1,
                   boolean calcCRC32,
                   boolean calcSHA256)
            throws java.io.FileNotFoundException,
                   java.io.IOException

Throws:

java.io.FileNotFoundException

java.io.IOException

Method Detail

createChecksumAndCopyFile

public void createChecksumAndCopyFile()
                               throws java.io.IOException

Throws:

java.io.IOException

getMD5

public java.lang.String getMD5()

getSHA1

public java.lang.String getSHA1()

getSHA256

public java.lang.String getSHA256()

getCRC32

public java.lang.String getCRC32()

getOther

public java.lang.String getOther()

getChecksum

public java.lang.String getChecksum(java.lang.String mdImpl)
                             throws java.security.NoSuchAlgorithmException

Throws:

java.security.NoSuchAlgorithmException

hex2decimal

public static long hex2decimal(java.lang.String s)

Converts hex string to a number

Parameters:

s -

Returns:

decimal2hex

public static java.lang.String decimal2hex(int d)

Converts a number to hex string

Parameters:

d -

Returns:

main

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