Base64 (Warm-Flow)

java.lang.Object
- org.dromara.warm.flow.core.utils.Base64

public final class Base64
extends Object

Base64工具类

Author:: hh

Field Summary

Fields
Modifier and Type	Field and Description
`private static byte[]`	`base64Alphabet`
`private static int`	`BASELENGTH`
`private static int`	`EIGHTBIT`
`private static int`	`FOURBYTE`
`private static char[]`	`lookUpBase64Alphabet`
`private static int`	`LOOKUPLENGTH`
`private static char`	`PAD`
`private static int`	`SIGN`
`private static int`	`SIXTEENBIT`
`private static int`	`TWENTYFOURBITGROUP`

Constructor Summary

Constructors
Constructor and Description

Base64()

Constructors
Constructor and Description
`Base64()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static byte[]`	`decode(String encoded)` Decodes Base64 data into octects
`static String`	`encode(byte[] binaryData)` Encodes hex octects into Base64
`private static boolean`	`isData(char octect)`
`private static boolean`	`isPad(char octect)`
`private static boolean`	`isWhiteSpace(char octect)`
`private static int`	`removeWhiteSpace(char[] data)` remove WhiteSpace from MIME containing encoded Base64 data.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - BASELENGTH
```
private static final int BASELENGTH
```
    See Also:
    
    Constant Field Values
  - LOOKUPLENGTH
```
private static final int LOOKUPLENGTH
```
    See Also:
    
    Constant Field Values
  - TWENTYFOURBITGROUP
```
private static final int TWENTYFOURBITGROUP
```
    See Also:
    
    Constant Field Values
  - EIGHTBIT
```
private static final int EIGHTBIT
```
    See Also:
    
    Constant Field Values
  - SIXTEENBIT
```
private static final int SIXTEENBIT
```
    See Also:
    
    Constant Field Values
  - FOURBYTE
```
private static final int FOURBYTE
```
    See Also:
    
    Constant Field Values
  - SIGN
```
private static final int SIGN
```
    See Also:
    
    Constant Field Values
  - PAD
```
private static final char PAD
```
    See Also:
    
    Constant Field Values
  - base64Alphabet
```
private static final byte[] base64Alphabet
```
  - lookUpBase64Alphabet
```
private static final char[] lookUpBase64Alphabet
```
- Constructor Detail
  - Base64
```
public Base64()
```
- Method Detail
  - isWhiteSpace
```
private static boolean isWhiteSpace(char octect)
```
  - isPad
```
private static boolean isPad(char octect)
```
  - isData
```
private static boolean isData(char octect)
```
  - encode
```
public static String encode(byte[] binaryData)
```
    Encodes hex octects into Base64
    
    Parameters:
    
    binaryData - Array containing binaryData
    
    Returns:
    
    Encoded Base64 array
  - decode
```
public static byte[] decode(String encoded)
```
    Decodes Base64 data into octects
    
    Parameters:
    
    encoded - string containing Base64 data
    
    Returns:
    
    Array containind decoded data.
  - removeWhiteSpace
```
private static int removeWhiteSpace(char[] data)
```
    remove WhiteSpace from MIME containing encoded Base64 data.
    
    Parameters:
    
    data - the byte array of base64 data (with WS)
    
    Returns:
    
    the new length

Class Base64

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

BASELENGTH

LOOKUPLENGTH

TWENTYFOURBITGROUP

EIGHTBIT

SIXTEENBIT

FOURBYTE

SIGN

PAD

base64Alphabet

lookUpBase64Alphabet

Constructor Detail

Base64

Method Detail

isWhiteSpace

isPad

isData

encode

decode

removeWhiteSpace