XMLStreamReaderToContentHandler.java 文件源码

/**
 * Get the attributes associated with the given START_ELEMENT or ATTRIBUTE
 * StAXevent.
 *
 * @return the StAX attributes converted to an org.xml.sax.Attributes
 */
private Attributes getAttributes() {
    AttributesImpl attrs = new AttributesImpl();

    int eventType = staxStreamReader.getEventType();
    if (eventType != XMLStreamConstants.ATTRIBUTE
        && eventType != XMLStreamConstants.START_ELEMENT) {
        throw new InternalError(
            "getAttributes() attempting to process: " + eventType);
    }

    // in SAX, namespace declarations are not part of attributes by default.
    // (there's a property to control that, but as far as we are concerned
    // we don't use it.) So don't add xmlns:* to attributes.

    // gather non-namespace attrs
    for (int i = 0; i < staxStreamReader.getAttributeCount(); i++) {
        String uri = staxStreamReader.getAttributeNamespace(i);
        if(uri==null)   uri="";
        String localName = staxStreamReader.getAttributeLocalName(i);
        String prefix = staxStreamReader.getAttributePrefix(i);
        String qName;
        if(prefix==null || prefix.length()==0)
            qName = localName;
        else
            qName = prefix + ':' + localName;
        String type = staxStreamReader.getAttributeType(i);
        String value = staxStreamReader.getAttributeValue(i);

        attrs.addAttribute(uri, localName, qName, type, value);
    }

    return attrs;
}