Lost message on package fragmentation at 12 bytes in a FIXT.1.1 message

    /**
     * Checks to see if the byte_buffer[buffer_offset] starts with data[]. The
     * character ? is a one byte wildcard, lowercase letters are optional.
     *
     * @param pBuffer
     * @param pBufferOffset
     * @param pData
     * @return
     */
    public static int startsWith(ByteBuffer pBuffer, int pBufferOffset, byte[] pData) {
        if (pBufferOffset + minMaskLength(pData) > pBuffer.limit()) {
            return -1;
        }
        final int tInitOffset = pBufferOffset;
        int tDataOffset = 0;
        for (int tBufferLimit = pBuffer.limit();
            (tDataOffset < pData.length) && (pBufferOffset < tBufferLimit);
            tDataOffset++, pBufferOffset++)
        {
            if (pBuffer.get(pBufferOffset) != pData[tDataOffset] && pData[tDataOffset] != '?') {
                // Now check for optional characters, at this point we know we didn't
                // match, so we can just check to see if we failed a match on an optional character,
                // and if so then just rewind the buffer one byte and keep going.
                if (Character.toUpperCase(pData[tDataOffset]) == pBuffer.get(pBufferOffset)) {
                    continue;
                }
                // Didn't match the optional character, so act like it was not included and keep going
                if (Character.isLetter(pData[tDataOffset]) && Character.isLowerCase(pData[tDataOffset])) {
                    --pBufferOffset;
                    continue;
                }
                return -1;
            }
        }
        if (tDataOffset < pData.length) {
            // the buffer was consumed but not the whole mask
            return -1;
        }
        return pBufferOffset - tInitOffset;
    }