import com.sun.xml.internal.stream.buffer.sax.SAXBufferProcessor; //导入依赖的package包/类
/**
 * Write the contents of the buffer to a {@link ContentHandler}.
 *
 * <p>
 * If the <code>handler</code> is also an instance of other SAX-based
 * handlers, such as {@link LexicalHandler}, than corresponding SAX events
 * will be reported to those handlers.
 *
 * @param handler
 *      The ContentHandler to receive SAX events.
 * @param produceFragmentEvent
 *      True to generate fragment SAX events without start/endDocument.
 *      False to generate a full document SAX events.
 *
 * @throws SAXException
 *      if a parsing fails, or if {@link ContentHandler} throws a {@link SAXException}.
 */
public final void writeTo(ContentHandler handler, boolean produceFragmentEvent) throws SAXException {
    SAXBufferProcessor p = readAsXMLReader(produceFragmentEvent);
    p.setContentHandler(handler);
    if (p instanceof LexicalHandler) {
        p.setLexicalHandler((LexicalHandler)handler);
    }
    if (p instanceof DTDHandler) {
        p.setDTDHandler((DTDHandler)handler);
    }
    if (p instanceof ErrorHandler) {
        p.setErrorHandler((ErrorHandler)handler);
    }
    p.process();
}
 

import com.sun.xml.internal.stream.buffer.sax.SAXBufferProcessor; //导入依赖的package包/类
/**
 * Reads the contents of the buffer from a {@link XMLReader}.
 *
 * @return
 * A an instance of a {@link SAXBufferProcessor}.
 * @deprecated
 *      Use {@link #readAsXMLReader(boolean)}
 */
public final SAXBufferProcessor readAsXMLReader() {
    return new SAXBufferProcessor(this,isFragment());
}