Class BCodec

src/main/java/org/apache/commons/codec/net/BCodec.java:45–250

Identical to the Base64 encoding defined by RFC 1521 and allows a character set to be specified. RFC 1522 describes techniques to allow the encoding of non-ASCII text in various portions of a RFC

 * @since 1.3
 */
public class BCodec extends RFC1522Codec implements StringEncoder, StringDecoder {
    /**
     * The default Charset used for string decoding and encoding.
     */
    private final Charset charset;

    /**
     * Default constructor.
     */
    public BCodec() {
        this(StandardCharsets.UTF_8);
    }

    /**
     * Constructor which allows for the selection of a default Charset
     *
     * @param charset
     *            the default string Charset to use.
     *
     * @see <a href="http://download.oracle.com/javase/7/docs/api/java/nio/charset/Charset.html">Standard charsets</a>
     * @since 1.7
     */
    public BCodec(final Charset charset) {
        this.charset = charset;
    }

    /**
     * Constructor which allows for the selection of a default Charset
     *
     * @param charsetName
     *            the default Charset to use.
     * @throws java.nio.charset.UnsupportedCharsetException
     *             If the named Charset is unavailable
     * @since 1.7 throws UnsupportedCharsetException if the named Charset is unavailable
     * @see <a href="http://download.oracle.com/javase/7/docs/api/java/nio/charset/Charset.html">Standard charsets</a>
     */
    public BCodec(final String charsetName) {
        this(Charset.forName(charsetName));
    }

    @Override
    protected String getEncoding() {
        return "B";
    }

    @Override
    protected byte[] doEncoding(final byte[] bytes) {
        if (bytes == null) {
            return null;
        }
        return Base64.encodeBase64(bytes);
    }

    @Override
    protected byte[] doDecoding(final byte[] bytes) {
        if (bytes == null) {
            return null;
        }