@Override
public Element copy() {
Element copy = new Element(getLocalName(), getNamespaceURI(), getNamespacePrefix());
for (int i = 0; i < getAttributeCount(); ++i) {
copy.addAttribute(getAttribute(i).copy());
}
for (int i = 0; i < getChildCount(); ++i) {
copy.appendChild(getChild(i).copy());
}
return copy;
}
/** @return the first child element matching the given name and namespace URI, or null */
public Element getFirstChildElement(String localName, String nsUri) {
for (int i = 0; i < getChildCount(); ++i) {
Node child = getChild(i);
if (child instanceof Element) {
Element element = (Element) child;
if (areEqual(element.getLocalName(), localName)
&& areEqual(element.getNamespaceURI(), nsUri)) {
return element;
}
}
}
return null;
}
/** @return an unmodifiable list of child elements matching the given name and namespace URI */
public List<Element> getChildElements(String localName, String nsUri) {
List<Element> elements = newArrayList();
for (int i = 0; i < getChildCount(); ++i) {
Node child = getChild(i);
if (child instanceof Element) {
Element element = (Element) child;
if (areEqual(element.getLocalName(), localName)
&& areEqual(element.getNamespaceURI(), nsUri)) {
elements.add(element);
}
}
}
return unmodifiableList(elements);
}
/** Parses the XML via StAX. */
static Document buildDocument(XMLStreamReader xmlReader) throws XMLStreamException, IOException {
Document doc = null;
Stack<Element> elements = new Stack<Element>();
while (xmlReader.hasNext()) {
int eventType = xmlReader.next();
switch (eventType) {
case XMLEvent.START_DOCUMENT:
doc = null;
break;
case XMLEvent.START_ELEMENT:
// StartElement startElement = event.asStartElement();
Element subElement;
if (null != xmlReader.getPrefix()) {
subElement =
new Element(
xmlReader.getLocalName(), xmlReader.getNamespaceURI(), xmlReader.getPrefix());
} else {
subElement = new Element(xmlReader.getLocalName(), xmlReader.getNamespaceURI());
}
if (elements.isEmpty()) {
doc = new Document(subElement);
} else {
elements.peek().appendChild(subElement);
}
for (int i = 0; i < xmlReader.getAttributeCount(); ++i) {
if (null != xmlReader.getAttributePrefix(i)) {
subElement.addAttribute(
new org.eclipse.stardust.engine.core.struct.sxml.Attribute(
xmlReader.getAttributeLocalName(i),
xmlReader.getAttributeNamespace(i),
xmlReader.getAttributePrefix(i),
xmlReader.getAttributeValue(i)));
} else {
subElement.addAttribute(
new org.eclipse.stardust.engine.core.struct.sxml.Attribute(
xmlReader.getAttributeLocalName(i),
xmlReader.getAttributeNamespace(i),
xmlReader.getAttributeValue(i)));
}
}
elements.push(subElement);
break;
case XMLEvent.CHARACTERS:
org.eclipse.stardust.engine.core.struct.sxml.Text text =
new org.eclipse.stardust.engine.core.struct.sxml.Text(xmlReader.getText());
if (!elements.isEmpty()) {
elements.peek().appendChild(text);
} else {
trace.info("Ignoring text placed outside of any element: " + xmlReader.getText());
}
break;
case XMLEvent.SPACE:
trace.debug("Ignoring whitespace inside XML.");
break;
case XMLEvent.END_ELEMENT:
elements.pop();
break;
case XMLEvent.END_DOCUMENT:
break;
default:
trace.error("Unsupported StAX event type: " + eventType);
}
}
return doc;
}
