Base64 (Xerces2 Implementation)
Date: 2024-01-12

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## org.apache.xerces.impl.dv.util
Class Base64

    java.lang.Object
      org.apache.xerces.impl.dv.util.Base64

    public final class Base64

extends java.lang.Object

This class provides encode/decode for RFC 2045 Base64 as defined by RFC 2045, N. Freed and N. Borenstein. RFC 2045: Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies. Reference 1996 Available at: http://www.ietf.org/rfc/rfc2045.txt This class is used by XML Schema binary format validation This implementation does not encode/decode streaming data. You need the data that you will encode/decode already on a byte arrray.

Version:
  $Id: Base64.java 446747 2006-09-15 21:46:20Z mrglavas $
Author:
  Jeffrey Rodriguez, Sandy Gao

# INTERNAL:

  Usage of this class is not supported. It may be altered or removed at any time.

Constructor Summary
`Base64()`

Method Summary
`static byte[]` | `decode(java.lang.String encoded)` Decodes Base64 data into octects
`static java.lang.String` | `encode(byte[] binaryData)` Encodes hex octects into Base64
`protected static boolean` | `isBase64(char octect)`
`protected static boolean` | `isData(char octect)`
`protected static boolean` | `isPad(char octect)`
`protected static boolean` | `isWhiteSpace(char octect)`
`protected 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`

Constructor Detail

### Base64

    public Base64()

Method Detail

### isWhiteSpace

    protected static boolean isWhiteSpace(char octect)

### isPad

    protected static boolean isPad(char octect)

### isData

    protected static boolean isData(char octect)

### isBase64

    protected static boolean isBase64(char octect)

### encode

    public static java.lang.String encode(byte[] binaryData)

  Encodes hex octects into Base64

  Parameters:
    `binaryData` - Array containing binaryData
  Returns:
    Encoded Base64 array

### decode

    public static byte[] decode(java.lang.String encoded)

  Decodes Base64 data into octects

  Parameters:
    `encoded` - string containing Base64 data
  Returns:
    Array containind decoded data.

### removeWhiteSpace

    protected 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

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