org.cryptacular.codec

Class Base32Encoder

java.lang.Object

org.cryptacular.codec.AbstractBaseNEncoder

org.cryptacular.codec.Base32Encoder

All Implemented Interfaces:

Encoder

public class Base32Encoder
extends AbstractBaseNEncoder

Stateful base 32 encoder with support for configurable line breaks.

Author:

Middleware Services

Field Summary

Fields inherited from class org.cryptacular.codec.AbstractBaseNEncoder

lineLength

Constructor Summary

Constructors

Constructor and Description
Base32Encoder() Creates a new instance that produces base 32-encoded output in the RFC 4648 alphabet, ABCDEFGHIJKLMNOPQRSTUVWXYZ234567, with no line breaks in the output.
Base32Encoder(int charactersPerLine) Creates a new instance that produces base 32-encoded output in the RFC 4648 alphabet, ABCDEFGHIJKLMNOPQRSTUVWXYZ234567, with the given number of characters per line in the output.
Base32Encoder(String alphabet) Creates a new instance that produces base 32-encoded output in the given 32-character alphabet with no line breaks in the output.
Base32Encoder(String alphabet, int charactersPerLine) Creates a new instance that produces base 32-encoded output in the given 32-character alphabet with the given number of characters per line in the output.

Method Summary

Modifier and Type	Method and Description
protected int	getBitsPerChar()
protected int	getBlockLength()

Methods inherited from class org.cryptacular.codec.AbstractBaseNEncoder

encode, encodingTable, finalize, isPaddedOutput, outputSize, setPaddedOutput

Methods inherited from class java.lang.Object

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

Constructor Detail

Base32Encoder

public Base32Encoder()

Creates a new instance that produces base 32-encoded output in the RFC 4648 alphabet, ABCDEFGHIJKLMNOPQRSTUVWXYZ234567, with no line breaks in the output.

Base32Encoder

public Base32Encoder(int charactersPerLine)

Creates a new instance that produces base 32-encoded output in the RFC 4648 alphabet, ABCDEFGHIJKLMNOPQRSTUVWXYZ234567, with the given number of characters per line in the output.

Parameters:

charactersPerLine - Number of characters per line. A zero or negative value disables line breaks.

Base32Encoder

public Base32Encoder(String alphabet)

Creates a new instance that produces base 32-encoded output in the given 32-character alphabet with no line breaks in the output.

Parameters:

alphabet - 32-character alphabet to use.

Base32Encoder

public Base32Encoder(String alphabet,
                     int charactersPerLine)

Creates a new instance that produces base 32-encoded output in the given 32-character alphabet with the given number of characters per line in the output.

Parameters:

alphabet - 32-character alphabet to use.

charactersPerLine - Number of characters per line. A zero or negative value disables line breaks.

Method Detail

getBlockLength

protected int getBlockLength()

Specified by:

getBlockLength in class AbstractBaseNEncoder

Returns:

Number of bits in a block of encoded characters.

getBitsPerChar

protected int getBitsPerChar()

Specified by:

getBitsPerChar in class AbstractBaseNEncoder

Returns:

Number of bits encoding a single character.