utils.common

Class HashUtils

java.lang.Object

utils.common.HashUtils

public class HashUtils
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	SHA_256

Constructor Summary

Constructors

Constructor and Description
HashUtils()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	generateSecureRandomString(int length) Generates a random string that can be used for passwords or tokens https://stackoverflow.com/a/31260788/1278769
static long	getChecksum(java.io.File file) Uses Adler32 to calculate a checksum of a file
static java.lang.String	getChecksum(java.lang.String str) Uses MD5 to generate a 6 chars long checksum of a string
static java.lang.String	getHash(java.nio.file.Path file, java.lang.String hashFunction) Calculates hash for the given file.
static java.lang.String	getHash(java.lang.String str, java.lang.String hashFunction) Calculates hash with the given hash function.
static java.lang.String	getHashMD5(java.lang.String str)

Methods inherited from class java.lang.Object

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

Field Detail

SHA_256

public static final java.lang.String SHA_256

See Also:

Constant Field Values

Constructor Detail

HashUtils

public HashUtils()

Method Detail

getHashMD5

public static java.lang.String getHashMD5(java.lang.String str)

getHash

public static java.lang.String getHash(java.lang.String str,
                                       java.lang.String hashFunction)

Calculates hash with the given hash function. Uses ISO_8859_1 charset. Converts the byte array into an String of hexadecimal characters.

getHash

public static java.lang.String getHash(java.nio.file.Path file,
                                       java.lang.String hashFunction)
                                throws java.io.IOException

Calculates hash for the given file. Converts the byte array into a String of hexadecimal characters.

Throws:

java.io.IOException

generateSecureRandomString

public static java.lang.String generateSecureRandomString(int length)

Generates a random string that can be used for passwords or tokens https://stackoverflow.com/a/31260788/1278769

getChecksum

public static java.lang.String getChecksum(java.lang.String str)

Uses MD5 to generate a 6 chars long checksum of a string

getChecksum

public static long getChecksum(java.io.File file)
                        throws java.io.IOException

Uses Adler32 to calculate a checksum of a file

Throws:

java.io.IOException