@SuppressWarnings("unchecked")
protected ExtensionElement parseExtensionElement(XMLStreamReader xtr) throws Exception {
ExtensionElement extensionElement = new ExtensionElement();
extensionElement.setName(xtr.getLocalName());
if (StringUtils.isNotEmpty(xtr.getNamespaceURI())) {
extensionElement.setNamespace(xtr.getNamespaceURI());
}
if (StringUtils.isNotEmpty(xtr.getPrefix())) {
extensionElement.setNamespacePrefix(xtr.getPrefix());
}
BpmnXMLUtil.addCustomAttributes(xtr, extensionElement, defaultElementAttributes);
boolean readyWithExtensionElement = false;
while (readyWithExtensionElement == false && xtr.hasNext()) {
xtr.next();
if (xtr.isCharacters()) {
if (StringUtils.isNotEmpty(xtr.getText().trim())) {
extensionElement.setElementText(xtr.getText().trim());
}
} else if (xtr.isStartElement()) {
ExtensionElement childExtensionElement = parseExtensionElement(xtr);
extensionElement.addChildElement(childExtensionElement);
} else if (xtr.isEndElement()
&& extensionElement.getName().equalsIgnoreCase(xtr.getLocalName())) {
readyWithExtensionElement = true;
}
}
return extensionElement;
}
public void testDOMSource() throws Exception {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
DocumentBuilder builder = factory.newDocumentBuilder();
InputSource source = new InputSource(new StringReader(xml));
Document doc = builder.parse(source);
// Fails when using DOMWrappingReader
XMLStreamReader reader = getInputFactory().createXMLStreamReader(new DOMSource(doc));
reader.next(); // root
assertEquals(0, reader.getAttributeCount());
assertEquals(1, reader.getNamespaceCount());
assertEquals("http://testnamespace/", reader.getNamespaceURI());
assertEquals("ns2", reader.getPrefix());
assertEquals("root", reader.getLocalName());
reader.next(); // arg0
reader.next(); // obj
assertEquals("obj", reader.getLocalName());
assertEquals(
"ns2:mycomplextype",
reader.getAttributeValue("http://www.w3.org/2001/XMLSchema-instance", "type"));
assertEquals("http://testnamespace/", reader.getNamespaceURI("ns2"));
assertEquals("http://testnamespace/", reader.getNamespaceContext().getNamespaceURI("ns2"));
assertEquals("ns2", reader.getNamespaceContext().getPrefix("http://testnamespace/"));
}
public String getPrefix() {
if (state == STATE_START_DOCUMENT || state == STATE_END_DOCUMENT) {
throw new IllegalStateException();
} else {
return parent.getPrefix();
}
}
/**
* Method that can be used to verify that the current element pointed to by the stream reader has
* no prefix.
*/
protected static void assertNoElemPrefix(XMLStreamReader sr) throws XMLStreamException {
String prefix = sr.getPrefix();
if (prefix != ELEM_NO_PREFIX) {
fail(
"Element that does not have a prefix should be indicated with <"
+ ELEM_NO_PREFIX
+ ">, not <"
+ prefix
+ ">");
}
}
public String getPrefix() {
return streamReader.getPrefix();
}
/**
* Method getPrefix.
*
* @return Returns String.
* @throws OMException
*/
public String getPrefix() throws OMException {
return parser.getPrefix();
}
public void parse(XMLStreamReader input) throws XMLStreamException, XNIException {
if (input.hasNext()) {
int eventType = input.getEventType();
if (eventType != XMLStreamConstants.START_DOCUMENT
&& eventType != XMLStreamConstants.START_ELEMENT) {
throw new XMLStreamException();
}
fLocationWrapper.setLocation(input.getLocation());
fSchemaDOMParser.startDocument(fLocationWrapper, null, fNamespaceContext, null);
boolean first = true;
loop:
while (input.hasNext()) {
if (!first) {
eventType = input.next();
} else {
first = false;
}
switch (eventType) {
case XMLStreamConstants.START_ELEMENT:
++fDepth;
fLocationWrapper.setLocation(input.getLocation());
fNamespaceContext.setNamespaceContext(input.getNamespaceContext());
fillQName(
fElementQName, input.getNamespaceURI(), input.getLocalName(), input.getPrefix());
fillXMLAttributes(input);
fillDeclaredPrefixes(input);
addNamespaceDeclarations();
fNamespaceContext.pushContext();
fSchemaDOMParser.startElement(fElementQName, fAttributes, null);
break;
case XMLStreamConstants.END_ELEMENT:
fLocationWrapper.setLocation(input.getLocation());
fNamespaceContext.setNamespaceContext(input.getNamespaceContext());
fillQName(
fElementQName, input.getNamespaceURI(), input.getLocalName(), input.getPrefix());
fillDeclaredPrefixes(input);
fSchemaDOMParser.endElement(fElementQName, null);
fNamespaceContext.popContext();
--fDepth;
if (fDepth <= 0) {
break loop;
}
break;
case XMLStreamConstants.CHARACTERS:
fTempString.setValues(
input.getTextCharacters(), input.getTextStart(), input.getTextLength());
fSchemaDOMParser.characters(fTempString, null);
break;
case XMLStreamConstants.SPACE:
fTempString.setValues(
input.getTextCharacters(), input.getTextStart(), input.getTextLength());
fSchemaDOMParser.ignorableWhitespace(fTempString, null);
break;
case XMLStreamConstants.CDATA:
fSchemaDOMParser.startCDATA(null);
fTempString.setValues(
input.getTextCharacters(), input.getTextStart(), input.getTextLength());
fSchemaDOMParser.characters(fTempString, null);
fSchemaDOMParser.endCDATA(null);
break;
case XMLStreamConstants.PROCESSING_INSTRUCTION:
fillProcessingInstruction(input.getPIData());
fSchemaDOMParser.processingInstruction(input.getPITarget(), fTempString, null);
break;
case XMLStreamConstants.DTD:
/* There shouldn't be a DTD in the schema */
break;
case XMLStreamConstants.ENTITY_REFERENCE:
/* Not needed for schemas */
break;
case XMLStreamConstants.COMMENT:
/* No point in sending comments */
break;
case XMLStreamConstants.START_DOCUMENT:
++fDepth;
/* We automatically call startDocument before the loop */
break;
case XMLStreamConstants.END_DOCUMENT:
/* We automatically call endDocument after the loop */
break;
}
}
fLocationWrapper.setLocation(null);
fNamespaceContext.setNamespaceContext(null);
fSchemaDOMParser.endDocument(null);
}
}
public String getPrefix() {
return reader.getPrefix();
}
/** 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;
}
