com.sun.xml.wss.impl.misc
Class Base64

java.lang.Object
  extended by com.sun.xml.wss.impl.misc.Base64

public class Base64
extends Object

Implementation of MIME's Base64 encoding and decoding conversions. Optimized code. (raw version taken from oreilly.jonathan.util, and currently com.sun.org.apache.xerces.internal.ds.util.Base64)

Author:
Raul Benito(Of the xerces copy, and little adaptations)., Anli Shundi, Christian Geuer-Pollmann
See Also:
RFC 2045, com.sun.org.apache.xml.internal.security.transforms.implementations.TransformBase64Decode

Field Summary
static int BASE64DEFAULTLENGTH
          Field BASE64DEFAULTLENGTH
 
Method Summary
static byte[] decode(byte[] base64Data)
           
static void decode(byte[] base64Data, OutputStream os)
          Decodes Base64 data into outputstream
static void decode(InputStream is, OutputStream os)
          Decodes Base64 data into outputstream
static byte[] decode(String encoded)
          Decodes Base64 data into octects
protected static byte[] decodeInternal(byte[] base64Data)
           
static String encode(byte[] binaryData)
           
static String encode(byte[] binaryData, int length)
           
 char[] encodeData(byte[] binaryData)
          Encodes hex octects into Base64
static char[] encodeData(byte[] binaryData, int length)
          Encode a byte array in Base64 format and return an optionally wrapped line.
static void encodeToStream(byte[] binaryData, int offset, int length, OutputStream stream)
           
static void encodeToStream(byte[] binaryData, int length, OutputStream stream)
           
static void encodeToStream(ByteArray binaryData, int length, OutputStream stream)
           
protected static boolean isPad(byte octect)
           
protected static boolean isWhiteSpace(byte octect)
           
protected static int removeWhiteSpace(byte[] 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

BASE64DEFAULTLENGTH

public static final int BASE64DEFAULTLENGTH
Field BASE64DEFAULTLENGTH

See Also:
Constant Field Values
Method Detail

isWhiteSpace

protected static final boolean isWhiteSpace(byte octect)

isPad

protected static final boolean isPad(byte octect)

encodeData

public char[] encodeData(byte[] binaryData)
Encodes hex octects into Base64

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

encodeData

public static char[] encodeData(byte[] binaryData,
                                int length)
Encode a byte array in Base64 format and return an optionally wrapped line.

Parameters:
binaryData - byte[] data to be encoded
length - int length of wrapped lines; No wrapping if less than 4.
Returns:
a String with encoded data

encode

public static String encode(byte[] binaryData,
                            int length)

encode

public static String encode(byte[] binaryData)

encodeToStream

public static void encodeToStream(byte[] binaryData,
                                  int length,
                                  OutputStream stream)
                           throws IOException
Throws:
IOException

encodeToStream

public static void encodeToStream(byte[] binaryData,
                                  int offset,
                                  int length,
                                  OutputStream stream)
                           throws IOException
Throws:
IOException

encodeToStream

public static void encodeToStream(ByteArray binaryData,
                                  int length,
                                  OutputStream stream)
                           throws IOException
Throws:
IOException

decode

public static final byte[] decode(String encoded)
                           throws com.sun.org.apache.xml.internal.security.exceptions.Base64DecodingException
Decodes Base64 data into octects

Parameters:
encoded - Byte array containing Base64 data
Returns:
Array containind decoded data.
Throws:
com.sun.org.apache.xml.internal.security.exceptions.Base64DecodingException

decode

public static final byte[] decode(byte[] base64Data)
                           throws com.sun.org.apache.xml.internal.security.exceptions.Base64DecodingException
Throws:
com.sun.org.apache.xml.internal.security.exceptions.Base64DecodingException

decodeInternal

protected static final byte[] decodeInternal(byte[] base64Data)
                                      throws com.sun.org.apache.xml.internal.security.exceptions.Base64DecodingException
Throws:
com.sun.org.apache.xml.internal.security.exceptions.Base64DecodingException

decode

public static final void decode(byte[] base64Data,
                                OutputStream os)
                         throws com.sun.org.apache.xml.internal.security.exceptions.Base64DecodingException,
                                IOException
Decodes Base64 data into outputstream

Parameters:
base64Data - Byte array containing Base64 data
os - the outputstream
Throws:
IOException
com.sun.org.apache.xml.internal.security.exceptions.Base64DecodingException

decode

public static final void decode(InputStream is,
                                OutputStream os)
                         throws com.sun.org.apache.xml.internal.security.exceptions.Base64DecodingException,
                                IOException
Decodes Base64 data into outputstream

Parameters:
is - containing Base64 data
os - the outputstream
Throws:
IOException
com.sun.org.apache.xml.internal.security.exceptions.Base64DecodingException

removeWhiteSpace

protected static int removeWhiteSpace(byte[] 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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