public void testNextTagOk() throws XMLStreamException {
String XML = "<root>\n" + "<branch> <leaf> </leaf></branch>" + "</root>";
for (int i = 0; i < 4; ++i) {
boolean ns = (i & 1) != 0;
boolean coal = (i & 2) != 0;
XMLEventReader er = getReader(XML, ns, coal);
assertTokenType(START_DOCUMENT, er.nextEvent().getEventType());
assertTokenType(START_ELEMENT, er.nextTag().getEventType());
assertTokenType(START_ELEMENT, er.nextTag().getEventType());
/* Ok, let's mix in bit of peeking to ensure reader won't
* be confused too badly...
*/
// This should be space between <branch> and <leaf>...
assertTokenType(CHARACTERS, er.peek().getEventType());
// And then the leaf
assertTokenType(START_ELEMENT, er.nextTag().getEventType());
assertTokenType(END_ELEMENT, er.nextTag().getEventType());
assertTokenType(END_ELEMENT, er.nextTag().getEventType());
assertTokenType(END_ELEMENT, er.nextTag().getEventType());
assertTokenType(END_DOCUMENT, er.nextEvent().getEventType());
assertFalse(er.hasNext());
}
}
/**
* This test was inspired by an actual bug in one of implementations: initial state was not
* properly set if nextTag() was called (instead of nextEvent()), and subsequent peek() failed.
*/
public void testPeek() throws XMLStreamException {
String XML = "<root>text</root>";
for (int i = 0; i < 4; ++i) {
boolean ns = (i & 1) != 0;
boolean coal = (i & 2) != 0;
XMLEventReader er = getReader(XML, ns, coal);
assertTokenType(START_DOCUMENT, er.nextEvent().getEventType());
XMLEvent tag = er.nextTag();
assertTokenType(START_ELEMENT, tag.getEventType());
// Now, peek() should produce text..
XMLEvent text = er.peek();
assertTokenType(CHARACTERS, text.getEventType());
Characters chars = text.asCharacters();
assertNotNull(chars);
assertEquals("text", chars.getData());
// and need nextEvent() to get rid of it, too:
text = er.nextEvent();
// Let's verify it again:
assertTokenType(CHARACTERS, text.getEventType());
chars = text.asCharacters();
assertNotNull(chars);
assertEquals("text", chars.getData());
assertTokenType(END_ELEMENT, er.nextTag().getEventType());
assertTokenType(END_DOCUMENT, er.nextEvent().getEventType());
// And at the end, peek() should return null
assertNull(er.peek());
}
}
public void testNextTagInvalid() throws XMLStreamException {
String XML = "<root> non-empty<leaf /></root>";
String XML2 = "<root><leaf></leaf>text </root>";
for (int i = 0; i < 4; ++i) {
boolean ns = (i & 1) != 0;
boolean coal = (i & 2) != 0;
XMLEventReader er = getReader(XML, ns, coal);
assertTokenType(START_DOCUMENT, er.nextEvent().getEventType());
assertTokenType(START_ELEMENT, er.nextEvent().getEventType());
String msg = null;
try {
XMLEvent evt = er.nextTag();
msg =
"Expected a XMLStreamException when trying to call XMLEventReader.nextTag() on non-empty CHARACTERS";
} catch (XMLStreamException sex) {
// fine!
} catch (Throwable t) {
msg =
"Expected a XMLStreamException when trying to call XMLEventReader.nextTag() on non-empty CHARACTERS; got ("
+ t.getClass()
+ "): "
+ t;
}
if (msg != null) {
fail(msg);
}
er.close();
/* any other easily failing cases? Maybe if we are on top of
* END_ELEMENT, and will hit another one?
*/
er = getReader(XML2, ns, coal);
assertTokenType(START_DOCUMENT, er.nextEvent().getEventType());
assertTokenType(START_ELEMENT, er.nextEvent().getEventType());
assertTokenType(START_ELEMENT, er.nextEvent().getEventType());
assertTokenType(END_ELEMENT, er.nextEvent().getEventType());
try {
XMLEvent evt = er.nextTag();
msg =
"Expected a XMLStreamException when trying to call XMLEventReader.nextTag() on END_ELEMENT and hitting non-ws text; got event "
+ tokenTypeDesc(evt);
} catch (XMLStreamException sex) {
msg = null; // fine!
} catch (Throwable t) {
msg =
"Expected a XMLStreamException when trying to call XMLEventReader.nextTag() on END_ELEMENT and hitting non-ws text; got: "
+ t;
}
if (msg != null) {
fail(msg);
}
er.close();
}
}
static XmlResourceValue parseStyle(XMLEventReader eventReader, StartElement start)
throws XMLStreamException {
Map<String, String> values = new HashMap<>();
for (XMLEvent element = eventReader.nextTag();
!isEndTag(element, TAG_STYLE);
element = eventReader.nextTag()) {
if (isItem(element)) {
values.put(getElementName(element.asStartElement()), eventReader.getElementText());
}
}
return StyleXmlResourceValue.of(parseReferenceFromElementAttribute(start, ATTR_PARENT), values);
}
static XmlResourceValue parsePlurals(XMLEventReader eventReader) throws XMLStreamException {
Map<String, String> values = new HashMap<>();
for (XMLEvent element = eventReader.nextTag();
!isEndTag(element, TAG_PLURALS);
element = eventReader.nextTag()) {
if (isItem(element)) {
values.put(
getElementAttributeByName(element.asStartElement(), ATTR_QUANTITY),
eventReader.getElementText());
}
}
return PluralXmlResourceValue.of(values);
}
static void parseDeclareStyleable(
FullyQualifiedName.Factory fqnFactory,
Path path,
KeyValueConsumer<DataKey, DataResource> overwritingConsumer,
KeyValueConsumer<DataKey, DataResource> nonOverwritingConsumer,
XMLEventReader eventReader,
StartElement start)
throws XMLStreamException {
List<String> members = new ArrayList<>();
for (XMLEvent element = eventReader.nextTag();
!isEndTag(element, TAG_DECLARE_STYLEABLE);
element = eventReader.nextTag()) {
if (isStartTag(element, TAG_ATTR)) {
StartElement attr = element.asStartElement();
members.add(getElementName(attr));
overwritingConsumer.consume(
fqnFactory.create(ResourceType.ATTR, getElementName(attr)),
DataResourceXml.of(path, parseAttr(eventReader, start)));
}
}
nonOverwritingConsumer.consume(
fqnFactory.create(ResourceType.STYLEABLE, getElementName(start)),
DataResourceXml.of(path, StyleableXmlResourceValue.of(members)));
}
public static void main(String[] args) throws XMLStreamException {
XMLInputFactory inputFactory = XMLInputFactory.newInstance();
try {
InputStream stream = new FileInputStream("data/xml/log.xml");
if ((new File("data/xml/log.xml")).exists()) {
System.out.println("EXISTS");
}
XMLEventReader eventReader = inputFactory.createXMLEventReader(stream);
while (eventReader.hasNext()) {
XMLEvent tag = eventReader.nextTag();
if (tag.isStartElement()
&& tag.asStartElement().getName().getLocalPart().equalsIgnoreCase("request")) {
System.out.println("request");
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
public void rewriteEndpoint(Reader reader, Writer writer, int port, Exchange exc)
throws XMLStreamException {
XMLEventReader parser = inputFactory.createXMLEventReader(reader);
XMLEventWriter eventWriter = XMLOutputFactory.newInstance().createXMLEventWriter(writer);
String id = null;
String url = null;
skip:
while (parser.hasNext()) {
XMLEvent e = parser.nextEvent();
if (e.isStartElement()) {
if (isReplyTo(e.asStartElement())) {
while (e.isStartElement() || !isReplyTo(e.asEndElement())) {
if (e.isStartElement() && isAddress(e.asStartElement())) {
url = parser.getElementText();
addRewrittenAddressElement(eventWriter, url, port, e.asStartElement());
continue skip;
}
eventWriter.add(e);
e = parser.nextTag();
}
}
if (isMessageId(e.asStartElement())) {
id = parser.getElementText();
exc.setProperty("messageId", id);
addMessageIdElement(eventWriter, id, e.asStartElement());
continue skip;
}
}
eventWriter.add(e);
}
registry.register(id, url);
}