import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithm; //导入依赖的package包/类
protected String convertEncodingAlgorithmDataToCharacters(boolean isAttributeValue) throws FastInfosetException, IOException {
    StringBuffer buffer = new StringBuffer();
    if (_identifier < EncodingConstants.ENCODING_ALGORITHM_BUILTIN_END) {
        Object array = BuiltInEncodingAlgorithmFactory.getAlgorithm(_identifier).
                decodeFromBytes(_octetBuffer, _octetBufferStart, _octetBufferLength);
        BuiltInEncodingAlgorithmFactory.getAlgorithm(_identifier).convertToCharacters(array,  buffer);
    } else if (_identifier == EncodingAlgorithmIndexes.CDATA) {
        if (!isAttributeValue) {
            // Set back buffer position to start of encoded string
            _octetBufferOffset -= _octetBufferLength;
            return decodeUtf8StringAsString();
        }
        throw new EncodingAlgorithmException(CommonResourceBundle.getInstance().getString("message.CDATAAlgorithmNotSupported"));
    } else if (_identifier >= EncodingConstants.ENCODING_ALGORITHM_APPLICATION_START) {
        final String URI = _v.encodingAlgorithm.get(_identifier - EncodingConstants.ENCODING_ALGORITHM_APPLICATION_START);
        final EncodingAlgorithm ea = (EncodingAlgorithm)_registeredEncodingAlgorithms.get(URI);
        if (ea != null) {
            final Object data = ea.decodeFromBytes(_octetBuffer, _octetBufferStart, _octetBufferLength);
            ea.convertToCharacters(data, buffer);
        } else {
            throw new EncodingAlgorithmException(
                    CommonResourceBundle.getInstance().getString("message.algorithmDataCannotBeReported"));
        }
    }
    return buffer.toString();
}
 

import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithm; //导入依赖的package包/类
protected final void convertEncodingAlgorithmDataToCharacters() throws FastInfosetException, IOException {
    StringBuffer buffer = new StringBuffer();
    if (_algorithmId == EncodingAlgorithmIndexes.BASE64) {
        convertBase64AlorithmDataToCharacters(buffer);
    } else if (_algorithmId < EncodingConstants.ENCODING_ALGORITHM_BUILTIN_END) {
        Object array = BuiltInEncodingAlgorithmFactory.getAlgorithm(_algorithmId).
                decodeFromBytes(_algorithmData, _algorithmDataOffset, _algorithmDataLength);
        BuiltInEncodingAlgorithmFactory.getAlgorithm(_algorithmId).convertToCharacters(array,  buffer);
    } else if (_algorithmId == EncodingAlgorithmIndexes.CDATA) {
        _octetBufferOffset -= _octetBufferLength;
        decodeUtf8StringIntoCharBuffer();

        _characters = _charBuffer;
        _charactersOffset = 0;
        return;
    } else if (_algorithmId >= EncodingConstants.ENCODING_ALGORITHM_APPLICATION_START) {
        final EncodingAlgorithm ea = (EncodingAlgorithm)_registeredEncodingAlgorithms.get(_algorithmURI);
        if (ea != null) {
            final Object data = ea.decodeFromBytes(_octetBuffer, _octetBufferStart, _octetBufferLength);
            ea.convertToCharacters(data, buffer);
        } else {
            throw new EncodingAlgorithmException(
                    CommonResourceBundle.getInstance().getString("message.algorithmDataCannotBeReported"));
        }
    }

    _characters = new char[buffer.length()];
    buffer.getChars(0, buffer.length(), _characters, 0);
    _charactersOffset = 0;
    _charBufferLength = _characters.length;
}
 

import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithm; //导入依赖的package包/类
/**
 * Encode the [normalized value] of an Attribute Information Item using
 * using an encoding algorithm.
 * Implementation of clause C.14 of ITU-T Rec. X.891 | ISO/IEC 24824-1.
 *
 * @param id the encoding algorithm identifier.
 * @param data the data to be encoded using an encoding algorithm.
 * @param ea the encoding algorithm to use to encode the data into an
 *           array of bytes.
 */
protected final void encodeAIIObjectAlgorithmData(int id, Object data, EncodingAlgorithm ea) throws FastInfosetException, IOException {
    // Encode identification and top four bits of encoding algorithm id
    write (EncodingConstants.NISTRING_ENCODING_ALGORITHM_FLAG |
            ((id & 0xF0) >> 4));

    // Encode bottom 4 bits of enoding algorithm id
    _b = (id & 0x0F) << 4;

    _encodingBufferOutputStream.reset();
    ea.encodeToOutputStream(data, _encodingBufferOutputStream);
    encodeNonZeroOctetStringLengthOnFifthBit(_encodingBufferIndex);
    write(_encodingBuffer, _encodingBufferIndex);
}
 

import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithm; //导入依赖的package包/类
/**
 * Encode a chunk of Character Information Items using
 * using an encoding algorithm.
 * Implementation of clause C.15 of ITU-T Rec. X.891 | ISO/IEC 24824-1.
 *
 * @param id the encoding algorithm identifier.
 * @param data the data to be encoded using an encoding algorithm.
 * @param ea the encoding algorithm to use to encode the data into an
 *           array of bytes.
 */
protected final void encodeCIIObjectAlgorithmData(int id, Object data, EncodingAlgorithm ea) throws FastInfosetException, IOException {
    // Encode identification and top two bits of encoding algorithm id
    write (EncodingConstants.CHARACTER_CHUNK | EncodingConstants.CHARACTER_CHUNK_ENCODING_ALGORITHM_FLAG |
            ((id & 0xC0) >> 6));

    // Encode bottom 6 bits of enoding algorithm id
    _b = (id & 0x3F) << 2;

    _encodingBufferOutputStream.reset();
    ea.encodeToOutputStream(data, _encodingBufferOutputStream);
    encodeNonZeroOctetStringLengthOnSenventhBit(_encodingBufferIndex);
    write(_encodingBuffer, _encodingBufferIndex);
}