com.prosyst.util.encode
Class Base64

java.lang.Object
  com.prosyst.util.encode.Base64

public class Base64
extends java.lang.Object

Field Summary

static byte[]

codes Auxiliary array containing int values of chars.

Constructor Summary

Base64()

Method Summary

static byte[]	decode(byte[] data)
static byte[]	decode(byte[] b_in, int off, int length) Decodes Base64 encoded data.
static byte[]	encode(byte[] b_in) Encodes byte array.
static byte[]	encode(byte[] b_in, int CHARS_PER_LINE)
static byte[]	encode(byte[] b_in, int off, int length)
static byte[]	encode(byte[] b_in, int off1, int length, int CHARS_PER_LINE) Encodes byte array.

Methods inherited from class java.lang.Object

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

Field Detail

codes

public static byte[] codes

Auxiliary array containing int values of chars.

Constructor Detail

Base64

public Base64()

Method Detail

encode

public static byte[] encode(byte[] b_in)

Encodes byte array. Result is with 76 simbols per line.

Parameters:

b_in - byte array data for encoding.

Returns:

encoded data.

encode

public static byte[] encode(byte[] b_in,
                            int off,
                            int length)

encode

public static byte[] encode(byte[] b_in,
                            int CHARS_PER_LINE)

encode

public static byte[] encode(byte[] b_in,
                            int off1,
                            int length,
                            int CHARS_PER_LINE)

Encodes byte array. Result is with CHARS_PER_LINE simbols per line.

Parameters:

b_in - byte array data for encoding.

CHARS_PER_LINE - chars per line in output.

Returns:

encoded data.

decode

public static byte[] decode(byte[] data)
                     throws java.lang.Exception

Throws:

java.lang.Exception

decode

public static byte[] decode(byte[] b_in,
                            int off,
                            int length)
                     throws java.lang.Exception

Decodes Base64 encoded data.

Parameters:

b_in - encoded data.

Returns:

decoded data.

Throws:

when - data is not in correct Base64 format.

java.lang.Exception