下面列出了怎么用javax.xml.stream.events.EntityDeclaration的API类实例代码及写法，或者点击链接到github查看源代码。
@Override
public boolean equals(Object o)
{
if (o == this) return true;
if (o == null) return false;
if (!(o instanceof EntityDeclaration)) return false;
EntityDeclaration other = (EntityDeclaration) o;
return stringsWithNullsEqual(getName(), other.getName())
&& stringsWithNullsEqual(getBaseURI(), other.getBaseURI())
&& stringsWithNullsEqual(getNotationName(), other.getNotationName())
&& stringsWithNullsEqual(getPublicId(), other.getPublicId())
&& stringsWithNullsEqual(getReplacementText(), other.getReplacementText())
&& stringsWithNullsEqual(getSystemId(), other.getSystemId())
;
}
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;
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());
}
}
@Override
public List<EntityDeclaration> getEntities()
{
if (mEntities == null && (mSubset != null)) {
/* Better make a copy, so that caller can not modify list
* DTD has, which may be shared (since DTD subset instances
* are cached and reused)
*/
mEntities = new ArrayList<EntityDeclaration>(mSubset.getGeneralEntityList());
}
return mEntities;
}
public void testSimpleEntity()
throws XMLStreamException
{
XMLStreamReader sr = getReader(UNPARSED_ENTITY_XML, true);
assertTokenType(DTD, sr.next());
List<?> l = (List<?>) sr.getProperty("javax.xml.stream.entities");
assertNotNull(l);
assertEquals(1, l.size());
EntityDeclaration ed = (EntityDeclaration) l.get(0);
assertEquals("unp", ed.getName());
assertEquals("mynot", ed.getNotationName());
sr.close();
}
@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();
}
}
private void handleEntityDeclaration(EntityDeclaration entityDeclaration) throws SAXException {
if (getDTDHandler() != null) {
getDTDHandler().unparsedEntityDecl(entityDeclaration.getName(), entityDeclaration.getPublicId(),
entityDeclaration.getSystemId(), entityDeclaration.getNotationName());
}
}
public EntityReferenceEvent(String entityName , EntityDeclaration entityDeclaration) {
init();
_entityName = entityName;
_entityDeclaration = entityDeclaration;
}
/**
* Return the declaration of this entity.
*/
public EntityDeclaration getDeclaration(){
return _entityDeclaration ;
}
public void setDeclaration(EntityDeclaration declaration) {
_entityDeclaration = declaration ;
}
public EntityReferenceEvent(String entityName , EntityDeclaration entityDeclaration) {
init();
fEntityName = entityName;
fEntityDeclaration = entityDeclaration ;
}
public EntityDeclaration getDeclaration(){
return fEntityDeclaration ;
}
public javax.xml.stream.events.EntityReference createEntityReference(String name, EntityDeclaration entityDeclaration) {
EntityReferenceEvent event = new EntityReferenceEvent(name, entityDeclaration);
if(location != null)event.setLocation(location);
return event;
}
@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();
}
}
private void handleEntityDeclaration(EntityDeclaration entityDeclaration) throws SAXException {
if (getDTDHandler() != null) {
getDTDHandler().unparsedEntityDecl(entityDeclaration.getName(), entityDeclaration.getPublicId(),
entityDeclaration.getSystemId(), entityDeclaration.getNotationName());
}
}
public EntityReferenceEvent(String entityName , EntityDeclaration entityDeclaration) {
init();
_entityName = entityName;
_entityDeclaration = entityDeclaration;
}
/**
* Return the declaration of this entity.
*/
public EntityDeclaration getDeclaration(){
return _entityDeclaration ;
}
public void setDeclaration(EntityDeclaration declaration) {
_entityDeclaration = declaration ;
}
public EntityReferenceEvent(String entityName , EntityDeclaration entityDeclaration) {
init();
fEntityName = entityName;
fEntityDeclaration = entityDeclaration ;
}
public EntityDeclaration getDeclaration(){
return fEntityDeclaration ;
}
public javax.xml.stream.events.EntityReference createEntityReference(String name, EntityDeclaration entityDeclaration) {
EntityReferenceEvent event = new EntityReferenceEvent(name, entityDeclaration);
if(location != null)event.setLocation(location);
return event;
}
public EntityReferenceEvent(String entityName , EntityDeclaration entityDeclaration) {
init();
_entityName = entityName;
_entityDeclaration = entityDeclaration;
}
/**
* Return the declaration of this entity.
*/
public EntityDeclaration getDeclaration(){
return _entityDeclaration ;
}
public void setDeclaration(EntityDeclaration declaration) {
_entityDeclaration = declaration ;
}
public EntityReferenceEvent(String entityName , EntityDeclaration entityDeclaration) {
init();
fEntityName = entityName;
fEntityDeclaration = entityDeclaration ;
}
public EntityDeclaration getDeclaration(){
return fEntityDeclaration ;
}
public javax.xml.stream.events.EntityReference createEntityReference(String name, EntityDeclaration entityDeclaration) {
EntityReferenceEvent event = new EntityReferenceEvent(name, entityDeclaration);
if(location != null)event.setLocation(location);
return event;
}
@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();
}
}
private void handleEntityDeclaration(EntityDeclaration entityDeclaration) throws SAXException {
if (getDTDHandler() != null) {
getDTDHandler().unparsedEntityDecl(entityDeclaration.getName(), entityDeclaration.getPublicId(),
entityDeclaration.getSystemId(), entityDeclaration.getNotationName());
}
}
@Override
public final String getElementText() throws XMLStreamException {
XMLEvent event = this.previousEvent;
if (event == null) {
throw new XMLStreamException("Must be on START_ELEMENT to read next text, element was null");
}
if (!event.isStartElement()) {
throw new XMLStreamException("Must be on START_ELEMENT to read next text", event.getLocation());
}
final StringBuilder text = new StringBuilder();
while (!event.isEndDocument()) {
switch (event.getEventType()) {
case XMLStreamConstants.CHARACTERS:
case XMLStreamConstants.SPACE:
case XMLStreamConstants.CDATA: {
final Characters characters = event.asCharacters();
text.append(characters.getData());
break;
}
case XMLStreamConstants.ENTITY_REFERENCE: {
final EntityReference entityReference = (EntityReference)event;
final EntityDeclaration declaration = entityReference.getDeclaration();
text.append(declaration.getReplacementText());
break;
}
case XMLStreamConstants.COMMENT:
case XMLStreamConstants.PROCESSING_INSTRUCTION: {
//Ignore
break;
}
default: {
throw new XMLStreamException("Unexpected event type '" + XMLStreamConstantsUtils.getEventName(event.getEventType()) + "' encountered. Found event: " + event, event.getLocation());
}
}
event = this.nextEvent();
}
return text.toString();
}