+ private QName qname;
+ private Match<OUTPUT>[] next;
+ private Match<OUTPUT> prev;
+ private Action<OUTPUT> action = null;
+ private boolean stopAfter;
+ private boolean exclusive;
+
+
+ @SafeVarargs
+ public Match(String ns, String name, Match<OUTPUT> ... next) {
+ this.qname = new QName(ns,name);
+ this.next = next;
+ stopAfter = exclusive = false;
+ for (Match<OUTPUT> m : next) { // add the possible tags to look for
+ if (!m.stopAfter)m.prev = this;
+ }
+ }
+
+ public Match<OUTPUT> onMatch(OUTPUT output, XReader reader) throws XMLStreamException {
+ while (reader.hasNext()) {
+ XEvent event = reader.nextEvent();
+ switch(event.getEventType()) {
+ case XMLEvent.START_ELEMENT:
+ QName e_qname = event.asStartElement().getName();
+ //System.out.println("Start - " + e_qname);
+ boolean match = false;
+ for (Match<OUTPUT> m : next) {
+ if (e_qname.equals(m.qname)) {
+ match=true;
+ if (m.onMatch(output, reader)==null) {
+ return null; // short circuit Parsing
+ }
+ break;
+ }
+ }
+ if (exclusive && !match) // When Tag MUST be present, i.e. the Root Tag, versus info we're not interested in
+ return null;
+ break;
+ case XMLEvent.CHARACTERS:
+ //System.out.println("Data - " +event.asCharacters().getData());
+ if (action!=null) {
+ if (!action.content(output,event.asCharacters().getData())) {
+ return null;
+ }
+ }
+ break;
+ case XMLEvent.END_ELEMENT:
+ //System.out.println("End - " + event.asEndElement().getName());
+ if (event.asEndElement().getName().equals(qname)) {
+ return prev;
+ }
+ break;
+ case XMLEvent.END_DOCUMENT:
+ return null; // Exit Chain
+ }
+ }
+ return this;
+ }