下面列出了怎么用javax.xml.stream.events.DTD的API类实例代码及写法，或者点击链接到github查看源代码。
private void handleDtd(DTD dtd) throws SAXException {
if (getLexicalHandler() != null) {
javax.xml.stream.Location location = dtd.getLocation();
getLexicalHandler().startDTD(null, location.getPublicId(), location.getSystemId());
}
if (getLexicalHandler() != null) {
getLexicalHandler().endDTD();
}
}
private void handleDtd(DTD dtd) throws SAXException {
if (getLexicalHandler() != null) {
javax.xml.stream.Location location = dtd.getLocation();
getLexicalHandler().startDTD(null, location.getPublicId(), location.getSystemId());
}
if (getLexicalHandler() != null) {
getLexicalHandler().endDTD();
}
}
private void handleDtd(DTD dtd) throws SAXException {
if (getLexicalHandler() != null) {
javax.xml.stream.Location location = dtd.getLocation();
getLexicalHandler().startDTD(null, location.getPublicId(), location.getSystemId());
}
if (getLexicalHandler() != null) {
getLexicalHandler().endDTD();
}
}
void DisplayEntities(DTD event) {
List entities = event.getEntities();
if (entities == null) {
_hasEntityDelaration = false;
print("No entity found.");
} else {
_hasEntityDelaration = true;
for (int i = 0; i < entities.size(); i++) {
EntityDeclaration entity = (EntityDeclaration) entities.get(i);
print(entity.getName());
}
}
}
/**
* DTDEvent instances constructed via event reader are missing the notation
* and entity declaration information
*/
@Test
public void testDTDEvent() {
String XML = "<?xml version='1.0' ?>" + "<!DOCTYPE root [\n" + "<!ENTITY intEnt 'internal'>\n" + "<!ENTITY extParsedEnt SYSTEM 'url:dummy'>\n"
+ "<!NOTATION notation PUBLIC 'notation-public-id'>\n" + "<!NOTATION notation2 SYSTEM 'url:dummy'>\n"
+ "<!ENTITY extUnparsedEnt SYSTEM 'url:dummy2' NDATA notation>\n" + "]>" + "<root />";
try {
XMLEventReader er = getReader(XML);
XMLEvent evt = er.nextEvent(); // StartDocument
evt = er.nextEvent(); // DTD
if (evt.getEventType() != XMLStreamConstants.DTD) {
Assert.fail("Expected DTD event");
}
DTD dtd = (DTD) evt;
writeAsEncodedUnicode(dtd);
List entities = dtd.getEntities();
if (entities == null) {
Assert.fail("No entity found. Expected 3.");
} else {
writeAsEncodedUnicode((XMLEvent) entities.get(0));
writeAsEncodedUnicode((XMLEvent) entities.get(1));
writeAsEncodedUnicode((XMLEvent) entities.get(2));
}
List notations = dtd.getNotations();
if (notations == null) {
Assert.fail("No notation found. Expected 2.");
} else {
writeAsEncodedUnicode((XMLEvent) notations.get(0));
writeAsEncodedUnicode((XMLEvent) notations.get(1));
}
} catch (Exception e) {
Assert.fail(e.getMessage());
}
}
/**
* DTDEvent instances constructed via event reader are missing the notation
* and entity declaration information
*/
@Test
public void testDTDEvent() {
String XML = "<?xml version='1.0' ?>" + "<!DOCTYPE root [\n" + "<!ENTITY intEnt 'internal'>\n" + "<!ENTITY extParsedEnt SYSTEM 'url:dummy'>\n"
+ "<!NOTATION notation PUBLIC 'notation-public-id'>\n" + "<!NOTATION notation2 SYSTEM 'url:dummy'>\n"
+ "<!ENTITY extUnparsedEnt SYSTEM 'url:dummy2' NDATA notation>\n" + "]>" + "<root />";
try {
XMLEventReader er = getReader(XML);
XMLEvent evt = er.nextEvent(); // StartDocument
evt = er.nextEvent(); // DTD
if (evt.getEventType() != XMLStreamConstants.DTD) {
Assert.fail("Expected DTD event");
}
DTD dtd = (DTD) evt;
List entities = dtd.getEntities();
if (entities == null) {
Assert.fail("No entity found. Expected 3.");
} else {
Assert.assertEquals(entities.size(), 3);
}
// Let's also verify they are all of right type...
testListElems(entities, EntityDeclaration.class);
List notations = dtd.getNotations();
if (notations == null) {
Assert.fail("No notation found. Expected 2.");
} else {
Assert.assertEquals(notations.size(), 2);
}
// Let's also verify they are all of right type...
testListElems(notations, NotationDeclaration.class);
} catch (Exception e) {
Assert.fail(e.getMessage());
}
}
private void handleDtd(DTD dtd) throws SAXException {
if (getLexicalHandler() != null) {
javax.xml.stream.Location location = dtd.getLocation();
getLexicalHandler().startDTD(null, location.getPublicId(), location.getSystemId());
}
if (getLexicalHandler() != null) {
getLexicalHandler().endDTD();
}
}
/**
* As of Stax 3.0 (Woodstox 4.0+), there is additional info for
* NotationDeclarations (base URI). Let's verify it gets properly
* populated.
*/
public void testDtdNotations()
throws Exception
{
final String URI = "http://test";
/* Ok. And here we should just check that we do not get 2 adjacent
* separate Characters event. We can try to trigger this by long
* segment and a set of char entities...
*/
final String XML = "<?xml version='1.0'?>"
+"<!DOCTYPE root [\n"
+"<!ELEMENT root EMPTY>\n"
+"<!NOTATION not PUBLIC 'some-public-id'>\n"
+"]>"
+"<root/>";
// Need to disable coalescing though for test to work:
XMLEventReader2 er = getReader(XML, false);
// Need to set Base URI; can do it for factory or instance
er.setProperty(WstxInputProperties.P_BASE_URL, new URL(URI));
assertTrue(er.nextEvent().isStartDocument());
XMLEvent evt = er.nextEvent(); // DTD
assertTokenType(DTD, evt.getEventType());
DTD dtd = (DTD) evt;
List<?> nots = dtd.getNotations();
assertEquals(1, nots.size());
NotationDeclaration2 notDecl = (NotationDeclaration2) nots.get(0);
assertEquals(URI, notDecl.getBaseURI());
}
@Override
protected void parseInternal() throws SAXException, XMLStreamException {
boolean documentStarted = false;
boolean documentEnded = false;
int elementDepth = 0;
while (this.reader.hasNext() && elementDepth >= 0) {
XMLEvent event = this.reader.nextEvent();
if (!event.isStartDocument() && !event.isEndDocument() && !documentStarted) {
handleStartDocument(event);
documentStarted = true;
}
switch (event.getEventType()) {
case XMLStreamConstants.START_DOCUMENT:
handleStartDocument(event);
documentStarted = true;
break;
case XMLStreamConstants.START_ELEMENT:
elementDepth++;
handleStartElement(event.asStartElement());
break;
case XMLStreamConstants.END_ELEMENT:
elementDepth--;
if (elementDepth >= 0) {
handleEndElement(event.asEndElement());
}
break;
case XMLStreamConstants.PROCESSING_INSTRUCTION:
handleProcessingInstruction((ProcessingInstruction) event);
break;
case XMLStreamConstants.CHARACTERS:
case XMLStreamConstants.SPACE:
case XMLStreamConstants.CDATA:
handleCharacters(event.asCharacters());
break;
case XMLStreamConstants.END_DOCUMENT:
handleEndDocument();
documentEnded = true;
break;
case XMLStreamConstants.NOTATION_DECLARATION:
handleNotationDeclaration((NotationDeclaration) event);
break;
case XMLStreamConstants.ENTITY_DECLARATION:
handleEntityDeclaration((EntityDeclaration) event);
break;
case XMLStreamConstants.COMMENT:
handleComment((Comment) event);
break;
case XMLStreamConstants.DTD:
handleDtd((DTD) event);
break;
case XMLStreamConstants.ENTITY_REFERENCE:
handleEntityReference((EntityReference) event);
break;
}
}
if (documentStarted && !documentEnded) {
handleEndDocument();
}
}
/** Creates a new instance of DTDEvent */
public DTDEvent() {
setEventType(DTD);
}
public DTDEvent(String dtd){
setEventType(DTD);
_dtd = dtd;
}
protected void init(){
setEventType(XMLEvent.DTD);
}
@Override
protected void parseInternal() throws SAXException, XMLStreamException {
boolean documentStarted = false;
boolean documentEnded = false;
int elementDepth = 0;
while (this.reader.hasNext() && elementDepth >= 0) {
XMLEvent event = this.reader.nextEvent();
if (!event.isStartDocument() && !event.isEndDocument() && !documentStarted) {
handleStartDocument(event);
documentStarted = true;
}
switch (event.getEventType()) {
case XMLStreamConstants.START_DOCUMENT:
handleStartDocument(event);
documentStarted = true;
break;
case XMLStreamConstants.START_ELEMENT:
elementDepth++;
handleStartElement(event.asStartElement());
break;
case XMLStreamConstants.END_ELEMENT:
elementDepth--;
if (elementDepth >= 0) {
handleEndElement(event.asEndElement());
}
break;
case XMLStreamConstants.PROCESSING_INSTRUCTION:
handleProcessingInstruction((ProcessingInstruction) event);
break;
case XMLStreamConstants.CHARACTERS:
case XMLStreamConstants.SPACE:
case XMLStreamConstants.CDATA:
handleCharacters(event.asCharacters());
break;
case XMLStreamConstants.END_DOCUMENT:
handleEndDocument();
documentEnded = true;
break;
case XMLStreamConstants.NOTATION_DECLARATION:
handleNotationDeclaration((NotationDeclaration) event);
break;
case XMLStreamConstants.ENTITY_DECLARATION:
handleEntityDeclaration((EntityDeclaration) event);
break;
case XMLStreamConstants.COMMENT:
handleComment((Comment) event);
break;
case XMLStreamConstants.DTD:
handleDtd((DTD) event);
break;
case XMLStreamConstants.ENTITY_REFERENCE:
handleEntityReference((EntityReference) event);
break;
}
}
if (documentStarted && !documentEnded) {
handleEndDocument();
}
}
/** Creates a new instance of DTDEvent */
public DTDEvent() {
setEventType(DTD);
}
public DTDEvent(String dtd){
setEventType(DTD);
_dtd = dtd;
}
protected void init(){
setEventType(XMLEvent.DTD);
}
/** Creates a new instance of DTDEvent */
public DTDEvent() {
setEventType(DTD);
}
public DTDEvent(String dtd){
setEventType(DTD);
_dtd = dtd;
}
protected void init(){
setEventType(XMLEvent.DTD);
}
@Override
protected void parseInternal() throws SAXException, XMLStreamException {
boolean documentStarted = false;
boolean documentEnded = false;
int elementDepth = 0;
while (this.reader.hasNext() && elementDepth >= 0) {
XMLEvent event = this.reader.nextEvent();
if (!event.isStartDocument() && !event.isEndDocument() && !documentStarted) {
handleStartDocument(event);
documentStarted = true;
}
switch (event.getEventType()) {
case XMLStreamConstants.START_DOCUMENT:
handleStartDocument(event);
documentStarted = true;
break;
case XMLStreamConstants.START_ELEMENT:
elementDepth++;
handleStartElement(event.asStartElement());
break;
case XMLStreamConstants.END_ELEMENT:
elementDepth--;
if (elementDepth >= 0) {
handleEndElement(event.asEndElement());
}
break;
case XMLStreamConstants.PROCESSING_INSTRUCTION:
handleProcessingInstruction((ProcessingInstruction) event);
break;
case XMLStreamConstants.CHARACTERS:
case XMLStreamConstants.SPACE:
case XMLStreamConstants.CDATA:
handleCharacters(event.asCharacters());
break;
case XMLStreamConstants.END_DOCUMENT:
handleEndDocument();
documentEnded = true;
break;
case XMLStreamConstants.NOTATION_DECLARATION:
handleNotationDeclaration((NotationDeclaration) event);
break;
case XMLStreamConstants.ENTITY_DECLARATION:
handleEntityDeclaration((EntityDeclaration) event);
break;
case XMLStreamConstants.COMMENT:
handleComment((Comment) event);
break;
case XMLStreamConstants.DTD:
handleDtd((DTD) event);
break;
case XMLStreamConstants.ENTITY_REFERENCE:
handleEntityReference((EntityReference) event);
break;
}
}
if (documentStarted && !documentEnded) {
handleEndDocument();
}
}
/** Creates a new instance of DTDEvent */
public DTDEvent() {
setEventType(DTD);
}
public DTDEvent(String dtd){
setEventType(DTD);
_dtd = dtd;
}
protected void init(){
setEventType(XMLEvent.DTD);
}
protected final void init() {
setEventType(XMLEvent.DTD);
}
/** Creates a new instance of DTDEvent */
public DTDEvent() {
setEventType(DTD);
}
public DTDEvent(String dtd){
setEventType(DTD);
_dtd = dtd;
}
protected final void init() {
setEventType(XMLEvent.DTD);
}
@Override
public DTD createDTD(String dtd) {
return defaultImpl.createDTD(dtd);
}
@Override
public DTD createDTD(String dtd) {
return null;
}
/** Creates a new instance of DTDEvent */
public DTDEvent() {
setEventType(DTD);
}