return StringUtils.newStringUsAscii(encode(pString.getBytes(charset)));
    }

    /**
     * Encodes a string into its URL safe form using the default string 
     * charset. Unsafe characters are escaped.
     *
     * @param pString string to convert to a URL safe form
     * @return URL safe string
     * @throws EncoderException Thrown if URL encoding is unsuccessful
     * 
     * @see #getDefaultCharset()
     */
    public String encode(String pString) throws EncoderException {
        if (pString == null) {
            return null;
        }
        try {
            return encode(pString, getDefaultCharset());
        } catch (UnsupportedEncodingException e) {
            throw new EncoderException(e.getMessage(), e);
        }
    }


    /**
     * Decodes a URL safe string into its original form using the 
     * specified encoding. Escaped characters are converted back 
     * to their original representation.
     *
     * @param pString URL safe string to convert into its original form
     * @param charset the original string charset
     * @return original string 
     * @throws DecoderException Thrown if URL decoding is unsuccessful
     * @throws UnsupportedEncodingException Thrown if charset is not
     *                                      supported 
     */
    public String decode(String pString, String charset) throws DecoderException, UnsupportedEncodingException {
        if (pString == null) {
            return null;
        }
        return new String(decode(StringUtils.getBytesUsAscii(pString)), charset);
    }

    /**
     * Decodes a URL safe string into its original form using the default
     * string charset. Escaped characters are converted back to their 
     * original representation.
     *
     * @param pString URL safe string to convert into its original form
     * @return original string 
     * @throws DecoderException Thrown if URL decoding is unsuccessful
     * 
     * @see #getDefaultCharset()
     */
    public String decode(String pString) throws DecoderException {
        if (pString == null) {
            return null;
        }
        try {
            return decode(pString, getDefaultCharset());
        } catch (UnsupportedEncodingException e) {
            throw new DecoderException(e.getMessage(), e);
        }
    }

    /**
     * Encodes an object into its URL safe form. Unsafe characters are 
     * escaped.
     *
     * @param pObject string to convert to a URL safe form
     * @return URL safe object
     * @throws EncoderException Thrown if URL encoding is not 
     *                          applicable to objects of this type or
     *                          if encoding is unsuccessful
     */
    public Object encode(Object pObject) throws EncoderException {
        if (pObject == null) {
            return null;
        } else if (pObject instanceof byte[]) {
            return encode((byte[])pObject);
        } else if (pObject instanceof String) {
            return encode((String)pObject);
        } else {
            throw new EncoderException("Objects of type " +
                pObject.getClass().getName() + " cannot be URL encoded"); 

        txt = txt.replaceAll("^trough", "trou2f"); // 2.0 only - note the spec says ^enough here again, c+p error I assume
        txt = txt.replaceAll("^gn", "2n");

        // End
        txt = txt.replaceAll("mb$", "m2");

        // 4. Handle replacements
        txt = txt.replaceAll("cq", "2q");
        txt = txt.replaceAll("ci", "si");
        txt = txt.replaceAll("ce", "se");
        txt = txt.replaceAll("cy", "sy");
        txt = txt.replaceAll("tch", "2ch");
        txt = txt.replaceAll("c", "k");
        txt = txt.replaceAll("q", "k");
        txt = txt.replaceAll("x", "k");
        txt = txt.replaceAll("v", "f");
        txt = txt.replaceAll("dg", "2g");
        txt = txt.replaceAll("tio", "sio");
        txt = txt.replaceAll("tia", "sia");
        txt = txt.replaceAll("d", "t");
        txt = txt.replaceAll("ph", "fh");
        txt = txt.replaceAll("b", "p");
        txt = txt.replaceAll("sh", "s2");
        txt = txt.replaceAll("z", "s");
        txt = txt.replaceAll("^[aeiou]", "A");
        txt = txt.replaceAll("[aeiou]", "3");
        txt = txt.replaceAll("j", "y"); // 2.0 only

    private static final byte[] HEX_DECODE_TABLE = {
         //  0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F
            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // 00-0f
            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // 10-1f
            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 63, // 20-2f

    };

    /**
     * This array is a lookup table that translates Unicode characters drawn from the "Base64 Alphabet" (as specified in
     * Table 1 of RFC 2045) into their 6-bit positive integer equivalents. Characters that are not in the Base64
     * alphabet but fall within the bounds of the array are translated to -1.
     * 
     * Note: '+' and '-' both decode to 62. '/' and '_' both decode to 63. This means decoder seamlessly handles both
     * URL_SAFE and STANDARD base64. (The encoder, on the other hand, needs to know ahead of time what to emit).
     * 
     * Thanks to "commons" project in ws.apache.org for this code.
     * http://svn.apache.org/repos/asf/webservices/commons/trunk/modules/util/
     */
    private static final byte[] DECODE_TABLE = {
            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
            -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, 62, -1, 63, 52, 53, 54,

    private static final byte[] DECODE_TABLE = {
            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
            -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, 62, -1, 63, 52, 53, 54,

    private static final byte[] URL_SAFE_ENCODE_TABLE = {
            'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
            'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
            'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
            'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
            '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '-', '_'

        txt = txt.replaceAll("y", "3"); // 2.0 only
        txt = txt.replaceAll("3gh3", "3kh3");
        txt = txt.replaceAll("gh", "22");
        txt = txt.replaceAll("g", "k");
        txt = txt.replaceAll("s+", "S");
        txt = txt.replaceAll("t+", "T");
        txt = txt.replaceAll("p+", "P");
        txt = txt.replaceAll("k+", "K");
        txt = txt.replaceAll("f+", "F");
        txt = txt.replaceAll("m+", "M");
        txt = txt.replaceAll("n+", "N");
        txt = txt.replaceAll("w3", "W3");
        txt = txt.replaceAll("wh3", "Wh3");

                    break;
            }
            currentLinePos += pos - savedPos; // keep track of current line position
            // if currentPos == 0 we are at the start of a line, so don't add CRLF
            if (lineLength > 0 && currentLinePos > 0) { 
                System.arraycopy(lineSeparator, 0, buffer, pos, lineSeparator.length);
                pos += lineSeparator.length;
            }
        } else {
            for (int i = 0; i < inAvail; i++) {
                ensureBufferSize(encodeSize);
                modulus = (modulus+1) % BYTES_PER_UNENCODED_BLOCK;
                int b = in[inPos++];
                if (b < 0) {
                    b += 256;
                }
                bitWorkArea = (bitWorkArea << 8) + b; //  BITS_PER_BYTE
                if (0 == modulus) { // 3 bytes = 24 bits = 4 * 6 bits to extract
                    buffer[pos++] = encodeTable[(bitWorkArea >> 18) & MASK_6BITS];