Package com.ongres.scram.common.bouncycastle.base64

Class Base64Encoder

java.lang.Object

com.ongres.scram.common.bouncycastle.base64.Base64Encoder

All Implemented Interfaces:

Encoder

public class Base64Encoder
extends Object
implements Encoder

A streaming Base64 encoder.

Field Summary

Fields

Modifier and Type	Field	Description
protected final byte[]	decodingTable
protected final byte[]	encodingTable
protected byte	padding

Constructor Summary

Constructors

Constructor	Description
Base64Encoder()

Method Summary

Modifier and Type	Method	Description
int	decode(byte[] data, int off, int length, OutputStream out)	decode the base 64 encoded byte data writing it to the given output stream, whitespace characters will be ignored.
int	decode(String data, OutputStream out)	decode the base 64 encoded String data writing it to the given output stream, whitespace characters will be ignored.
private int	decodeLastBlock(OutputStream out, char c1, char c2, char c3, char c4)
int	encode(byte[] data, int off, int length, OutputStream out)	encode the input data producing a base 64 output stream.
private boolean	ignore(char c)
protected void	initialiseDecodingTable()
private int	nextI(byte[] data, int i, int finish)
private int	nextI(String data, int i, int finish)

Methods inherited from class java.lang.Object

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

Field Details

encodingTable

protected final byte[] encodingTable

padding

protected byte padding

decodingTable

protected final byte[] decodingTable

Constructor Details

Base64Encoder

public Base64Encoder()

Method Details

initialiseDecodingTable

protected void initialiseDecodingTable()

encode

public int encode(byte[] data,
 int off,
 int length,
 OutputStream out)
           throws IOException

encode the input data producing a base 64 output stream.

Specified by:

encode in interface Encoder

Returns:

the number of bytes produced.

Throws:

IOException

ignore

private boolean ignore(char c)

decode

public int decode(byte[] data,
 int off,
 int length,
 OutputStream out)
           throws IOException

decode the base 64 encoded byte data writing it to the given output stream, whitespace characters will be ignored.

Specified by:

decode in interface Encoder

Returns:

the number of bytes produced.

Throws:

IOException

nextI

private int nextI(byte[] data,
 int i,
 int finish)

decode

public int decode(String data,
 OutputStream out)
           throws IOException

decode the base 64 encoded String data writing it to the given output stream, whitespace characters will be ignored.

Specified by:

decode in interface Encoder

Returns:

the number of bytes produced.

Throws:

IOException

decodeLastBlock

private int decodeLastBlock(OutputStream out,
 char c1,
 char c2,
 char c3,
 char c4)
                     throws IOException

Throws:

IOException

nextI

private int nextI(String data,
 int i,
 int finish)