org.apache.commons.codec.binary

Class Base64

Implemented Interfaces:
BinaryDecoder, BinaryEncoder, Decoder, Encoder

public class Base64
extends Object
implements BinaryEncoder, BinaryDecoder

Provides Base64 encoding and decoding as defined by RFC 2045.

This class implements section 6.8. Base64 Content-Transfer-Encoding from RFC 2045 Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies by Freed and Borenstein.

Since:
1.0-dev
See Also:
RFC 2045

Method Summary

byte[]
decode(byte[] pArray)
Decodes a byte[] containing containing characters in the Base64 alphabet.
Object
decode(Object pObject)
Decodes an Object using the base64 algorithm.
static byte[]
decodeBase64(byte[] base64Data)
Decodes Base64 data into octects
byte[]
encode(byte[] pArray)
Encodes a byte[] containing binary data, into a byte[] containing characters in the Base64 alphabet.
Object
encode(Object pObject)
Encodes an Object using the base64 algorithm.
static byte[]
encodeBase64(byte[] binaryData)
Encodes binary data using the base64 algorithm but does not chunk the output.
static byte[]
encodeBase64(byte[] binaryData, boolean isChunked)
Encodes binary data using the base64 algorithm, optionally chunking the output into 76 character blocks.
static byte[]
encodeBase64Chunked(byte[] binaryData)
Encodes binary data using the base64 algorithm and chunks the encoded output into 76 character blocks
static boolean
isArrayByteBase64(byte[] arrayOctect)
Tests a given byte array to see if it contains only valid characters within the Base64 alphabet.

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

decode

public byte[] decode(byte[] pArray)
Decodes a byte[] containing containing characters in the Base64 alphabet.
Specified by:
decode in interface BinaryDecoder
Parameters:
pArray - A byte array containing Base64 character data
Returns:
a byte array containing binary data

decode

public Object decode(Object pObject)
            throws DecoderException
Decodes an Object using the base64 algorithm. This method is provided in order to satisfy the requirements of the Decoder interface, and will throw a DecoderException if the supplied object is not of type byte[].
Specified by:
decode in interface Decoder
Parameters:
pObject - Object to decode
Returns:
An object (of type byte[]) containing the binary data which corresponds to the byte[] supplied.
Throws:
DecoderException - if the parameter supplied is not of type byte[]

decodeBase64

public static byte[] decodeBase64(byte[] base64Data)
Decodes Base64 data into octects
Parameters:
base64Data - Byte array containing Base64 data
Returns:
Array containing decoded data.
Usages and Demos :

View More Examples of decodeBase64(byte[] base64Data)
   1: 
   2: import org.apache.commons.codec.binary.Base64;
   3: 
   4:         ...
   5:     public static String encode(String stText) {
   6:         return toString( Base64.encodeBase64Chunked(stText.getBytes()) );
   7:     }
   8:         ...
   9:     public static String decode(String stBase64Encoded) {
  10:         return toString( Base64.decodeBase64(stBase64Encoded.getBytes()) );
  11:     }

View Full Code Here
   1: 
   2: import org.apache.commons.codec.binary.Base64;
   3: import org.xmlBlaster.client.protocol.http.common.*;
   4:         ...
   5:    public byte[] encodeBase64(byte[] data) {
   6:       return Base64.encodeBase64(data);
   7:    }
   8:         ...
   9:    public byte[] decodeBase64(byte[] data) {
  10:       return Base64.decodeBase64(data);
  11:    }

View Full Code Here
   1: import org.apache.commons.codec.StringEncoder;
   2: import org.apache.commons.codec.binary.Base64;
   3: 
   4:         ...
   5:         }
   6:         return Base64.encodeBase64(bytes);
   7:     }
   8:         ...
   9:         }
  10:         return Base64.decodeBase64(bytes);
  11:     }

View Full Code Here
   1: 
   2: import org.apache.commons.codec.binary.Base64;
   3: import org.apache.commons.fileupload.FileItem;
   4:         ...
   5:             byte[] encodedKey =
   6:                 Base64.decodeBase64(ENCODED_KEY_BASE64.getBytes());
   7:         ...
   8:             byte[] keyIv = Base64.decodeBase64(KEY_IV_BASE64.getBytes());
   9: 
  10:         ...
  11: 
  12:         byte[] encryptedBytes = Base64.decodeBase64(cipherValue.getBytes());

View Full Code Here
   1: import com.sun.security.cert.internal.x509.X509V1CertImpl;
   2: import org.apache.commons.codec.binary.Base64;
   3: import org.bouncycastle.asn1.DERObjectIdentifier;
   4:         ...
   5: 
   6:     public static KeyStore toKeyStore(String type, char[] pwd, String base64) throws
   7:         Exception {
   8:         ...
   9:         ByteArrayInputStream in = new ByteArrayInputStream(SecUtil.decodeBase64(
  10:             base64));
  11:         KeyStore ks = KeyStore.getInstance(type);
  12:         ...
  13:     public final static byte[] decodeBase64(String data) {
  14:         return Base64.decodeBase64(data.getBytes());

View Full Code Here

encode

public byte[] encode(byte[] pArray)
Encodes a byte[] containing binary data, into a byte[] containing characters in the Base64 alphabet.
Specified by:
encode in interface BinaryEncoder
Parameters:
pArray - a byte array containing binary data
Returns:
A byte array containing only Base64 character data

encode

public Object encode(Object pObject)
            throws EncoderException
Encodes an Object using the base64 algorithm. This method is provided in order to satisfy the requirements of the Encoder interface, and will throw an EncoderException if the supplied object is not of type byte[].
Specified by:
encode in interface Encoder
Parameters:
pObject - Object to encode
Returns:
An object (of type byte[]) containing the base64 encoded data which corresponds to the byte[] supplied.
Throws:
EncoderException - if the parameter supplied is not of type byte[]

encodeBase64

public static byte[] encodeBase64(byte[] binaryData)
Encodes binary data using the base64 algorithm but does not chunk the output.
Parameters:
binaryData - binary data to encode
Returns:
Base64 characters
Usages and Demos :

View More Examples of encodeBase64(byte[] binaryData)
   1: 
   2: import org.apache.commons.codec.binary.Base64;
   3: import org.xmlBlaster.client.protocol.http.common.*;
   4:         ...
   5:    public byte[] encodeBase64(byte[] data) {
   6:       return Base64.encodeBase64(data);
   7:    }
   8:         ...
   9:    public byte[] decodeBase64(byte[] data) {
  10:       return Base64.decodeBase64(data);
  11:    }

View Full Code Here
   1: import org.apache.commons.codec.StringEncoder;
   2: import org.apache.commons.codec.binary.Base64;
   3: 
   4:         ...
   5:         }
   6:         return Base64.encodeBase64(bytes);
   7:     }
   8:         ...
   9:         }
  10:         return Base64.decodeBase64(bytes);
  11:     }

View Full Code Here
   1: 
   2: import org.apache.commons.codec.binary.Base64;
   3: import org.apache.commons.httpclient.Credentials;
   4:         ...
   5:         return "Basic " + EncodingUtil.getAsciiString(
   6:                 Base64.encodeBase64(EncodingUtil.getBytes(buffer.toString(), charset)));
   7:     }
   8:     
   9: }

View Full Code Here
   1: 
   2: import org.apache.commons.codec.binary.Base64;
   3: import org.apache.commons.httpclient.util.EncodingUtil;
   4:         ...
   5:         }
   6:         return EncodingUtil.getAsciiString(Base64.encodeBase64(resp));
   7:     }
   8:         ...
   9:     public byte[] parseType2Message(String message) {
  10:         byte[] msg = Base64.decodeBase64(EncodingUtil.getBytes(message, DEFAULT_CHARSET));
  11:         byte[] nonce = new byte[8];

View Full Code Here
   1: 
   2: import org.apache.commons.codec.binary.Base64;
   3: import org.apache.commons.httpclient.EchoService;
   4:         ...
   5:         String expected = "Basic " + EncodingUtil.getAsciiString(
   6:             Base64.encodeBase64(EncodingUtil.getAsciiBytes("testuser:testpass")));
   7:         assertEquals(expected, auth.getValue());
   8:         ...
   9:         String expected = "Basic " + EncodingUtil.getAsciiString(
  10:             Base64.encodeBase64(EncodingUtil.getAsciiBytes("testuser:testpass")));
  11:         assertEquals(expected, auth.getValue());
  12:         ...
  13:         String expected = "Basic " + EncodingUtil.getAsciiString(
  14:             Base64.encodeBase64(EncodingUtil.getAsciiBytes("testuser:testpass")));

View Full Code Here

encodeBase64

public static byte[] encodeBase64(byte[] binaryData,
                                  boolean isChunked)
Encodes binary data using the base64 algorithm, optionally chunking the output into 76 character blocks.
Parameters:
binaryData - Array containing binary data to encode.
isChunked - if isChunked is true this encoder will chunk the base64 output into 76 character blocks
Returns:
Base64-encoded data.

encodeBase64Chunked

public static byte[] encodeBase64Chunked(byte[] binaryData)
Encodes binary data using the base64 algorithm and chunks the encoded output into 76 character blocks
Parameters:
binaryData - binary data to encode
Returns:
Base64 characters chunked in 76 character blocks
Usages and Demos :

View More Examples of encodeBase64Chunked(byte[] binaryData)
   1: 
   2: import org.apache.commons.codec.binary.Base64;
   3: 
   4:         ...
   5:     public static String encode(String stText) {
   6:         return toString( Base64.encodeBase64Chunked(stText.getBytes()) );
   7:     }
   8:         ...
   9:     public static String decode(String stBase64Encoded) {
  10:         return toString( Base64.decodeBase64(stBase64Encoded.getBytes()) );
  11:     }

View Full Code Here

isArrayByteBase64

public static boolean isArrayByteBase64(byte[] arrayOctect)
Tests a given byte array to see if it contains only valid characters within the Base64 alphabet.
Parameters:
arrayOctect - byte array to test
Returns:
true if all bytes are valid characters in the Base64 alphabet or if the byte array is empty; false, otherwise