@Override
protected int nextChild() {
ElementFrame<Node, Node> frame = getCurrentFrame();
if (frame.currentChild == null) {
content = getCurrentNode().getFirstChild();
} else {
content = frame.currentChild.getNextSibling();
}
frame.currentChild = content;
switch (content.getNodeType()) {
case Node.ELEMENT_NODE:
return START_ELEMENT;
case Node.TEXT_NODE:
return CHARACTERS;
case Node.COMMENT_NODE:
return COMMENT;
case Node.CDATA_SECTION_NODE:
return CDATA;
case Node.ENTITY_REFERENCE_NODE:
return ENTITY_REFERENCE;
default:
throw new IllegalStateException("Found type: " + content.getClass().getName());
}
}
@Override
public String getElementText() throws XMLStreamException {
String result = DOMUtils.getRawContent(content);
ElementFrame<Node, Node> frame = getCurrentFrame();
frame.ended = true;
currentEvent = END_ELEMENT;
endElement();
// we should not return null according to the StAx API javadoc
return result != null ? result : "";
}
/** Find name spaces declaration in atrributes and move them to separate collection. */
@Override
protected final void newFrame(ElementFrame<Node, Node> frame) {
Node element = getCurrentNode();
frame.uris = new ArrayList<String>();
frame.prefixes = new ArrayList<String>();
frame.attributes = new ArrayList<Object>();
if (context == null) {
context = new W3CNamespaceContext();
}
if (element instanceof Element) {
context.setElement((Element) element);
}
NamedNodeMap nodes = element.getAttributes();
String ePrefix = element.getPrefix();
if (ePrefix == null) {
ePrefix = "";
}
if (nodes != null) {
for (int i = 0; i < nodes.getLength(); i++) {
Node node = nodes.item(i);
String prefix = node.getPrefix();
String localName = node.getLocalName();
String value = node.getNodeValue();
String name = node.getNodeName();
if (prefix == null) {
prefix = "";
}
if (name != null && "xmlns".equals(name)) {
frame.uris.add(value);
frame.prefixes.add("");
} else if (prefix.length() > 0 && "xmlns".equals(prefix)) {
frame.uris.add(value);
frame.prefixes.add(localName);
} else if (name.startsWith("xmlns:")) {
prefix = name.substring(6);
frame.uris.add(value);
frame.prefixes.add(prefix);
} else {
frame.attributes.add(node);
}
}
}
}
@Override
public String getNamespaceURI(String prefix) {
ElementFrame<Node, Node> frame = getCurrentFrame();
while (null != frame) {
int index = frame.prefixes.indexOf(prefix);
if (index != -1) {
return frame.uris.get(index);
}
if (frame.parent == null && frame.getElement() instanceof Element) {
return ((Element) frame.getElement()).lookupNamespaceURI(prefix);
}
frame = frame.parent;
}
return null;
}
