de.ipcon.tools

Class ByteArrayTools

java.lang.Object

de.ipcon.tools.ByteArrayTools

public final class ByteArrayTools
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static java.io.ByteArrayOutputStream	compress(byte[] ba) Compress the given byte-array to a GZIPOutputStream
static java.io.ByteArrayOutputStream	decompress(byte[] ba) Decompress the given byte-array as a GZIPInputStream
static java.lang.String	digest(byte[] ba) Calculates a RIPEMD128Digest from a given byte-array and returns it encoded on Base64 with UTF-8-format
static java.lang.String	getHashFromBytes(java.lang.String algo, byte[] bytes) Calculates a hash in hex for a given byte-array from a MessageDigest with the specified algorithm

Methods inherited from class java.lang.Object

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

Method Detail

compress

public static java.io.ByteArrayOutputStream compress(byte[] ba)

Compress the given byte-array to a GZIPOutputStream

Parameters:

ba - the byte-array to compress

Returns:

the compressed byte-array as ByteArrayOutputStream

decompress

public static java.io.ByteArrayOutputStream decompress(byte[] ba)

Decompress the given byte-array as a GZIPInputStream

Parameters:

ba - the byte-Array to decompress

Returns:

the decompressed byte-array as ByteArrayOutputStream

digest

public static java.lang.String digest(byte[] ba)

Calculates a RIPEMD128Digest from a given byte-array and returns it encoded on Base64 with UTF-8-format

Parameters:

ba - the byte-array to calculate

Returns:

the calculated digest

Throws:

UnsupportedEncodingException - will be thrown if UTF-8 isnt supported

getHashFromBytes

public static java.lang.String getHashFromBytes(java.lang.String algo,
                                                byte[] bytes)
                                         throws java.security.NoSuchAlgorithmException

Calculates a hash in hex for a given byte-array from a MessageDigest with the specified algorithm

Parameters:

algo - the algorithm name for the MessageDigest

bytes - the bytes-array to get hash for

Returns:

the calculated hash as hex-string

Throws:

java.security.NoSuchAlgorithmException