org.hdiv.util
Class EncodingUtil

java.lang.Object
  org.hdiv.util.EncodingUtil

public class EncodingUtil
extends java.lang.Object

Class containing utility methods for encoding.

Author:

Roberto Velasco, Gorka Vicente

Field Summary

static java.lang.String

ZIP_CHARSET Name of a supported charset

Constructor Summary

EncodingUtil()

Method Summary

java.lang.String	calculateStateHash(java.lang.String data) Calculate data hash value.
java.lang.Object	decode64(java.lang.String s) Decodes Base64 alphabet characters of the string s and decompresses it.
java.lang.Object	decode64Cipher(java.lang.String s) Decodes Base64 alphabet characters of the string s, decrypts this string and finally decompresses it.
java.lang.String	encode64(java.lang.Object obj) The object obj is compressed and coded in Base64.
java.lang.String	encode64Cipher(java.lang.Object obj) The object obj is compressed, encrypted and coded in Base64.
ISession	getSession()
void	init() Initialize the EncodingUtil with Http Session and message resource.
void	initTesting() Initialize the EncodingUtil with message resource.
void	setAlgorithmName(java.lang.String algorithmName)
void	setMessageDigest(java.security.MessageDigest md)
void	setSession(ISession session)

Methods inherited from class java.lang.Object

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

Field Detail

ZIP_CHARSET

public static final java.lang.String ZIP_CHARSET

Name of a supported charset

See Also:

Constant Field Values

Constructor Detail

EncodingUtil

public EncodingUtil()

Method Detail

init

public void init()

Initialize the EncodingUtil with Http Session and message resource.

initTesting

public void initTesting()

Initialize the EncodingUtil with message resource.

encode64Cipher

public java.lang.String encode64Cipher(java.lang.Object obj)

The object obj is compressed, encrypted and coded in Base64.

Parameters:

obj - Object to encrypt

Returns:

Objet obj compressed, encrypted and coded in Base64

Throws:

HDIVException - if there is an error encoding object data

See Also:

GZIPOutputStream.GZIPOutputStream(java.io.OutputStream), URLCodec.encodeUrl(java.util.BitSet, byte[]), Base64.encode(byte[])

decode64Cipher

public java.lang.Object decode64Cipher(java.lang.String s)

Decodes Base64 alphabet characters of the string s, decrypts this string and finally decompresses it.

Parameters:

s - data to decrypt

Returns:

decoded data

Throws:

HDIVException - if there is an error decoding object data

See Also:

Base64.decode(byte[]), URLCodec.decode(byte[]), GZIPInputStream.GZIPInputStream(java.io.InputStream)

encode64

public java.lang.String encode64(java.lang.Object obj)

The object obj is compressed and coded in Base64.

Parameters:

obj - Object to encode

Returns:

Object obj compressed y encoded in Base64

Throws:

HDIVException - if there is an error encoding object data

See Also:

GZIPOutputStream.GZIPOutputStream(java.io.OutputStream), URLCodec.encodeUrl(java.util.BitSet, byte[]), Base64.encode(byte[])

decode64

public java.lang.Object decode64(java.lang.String s)

Decodes Base64 alphabet characters of the string s and decompresses it.

Parameters:

s - data to decode

Returns:

decoded s string

Throws:

HDIVException - if there is an error decoding object data

See Also:

Base64.decode(byte[]), URLCodec.decode(byte[]), GZIPInputStream.GZIPInputStream(java.io.InputStream)

calculateStateHash

public java.lang.String calculateStateHash(java.lang.String data)

Calculate data hash value.

Parameters:

data - data

Returns:

data hash value

getSession

public ISession getSession()

Returns:

Returns the session.

setSession

public void setSession(ISession session)

Parameters:

session - The session to set.

setMessageDigest

public void setMessageDigest(java.security.MessageDigest md)

Parameters:

md - The message digest to set.

setAlgorithmName

public void setAlgorithmName(java.lang.String algorithmName)

Parameters:

algorithm - The algorithm to set for the message digest.