Java XMLStreamConstants.END_ELEMENT属性代码示例

/**
 * Returns the text contents of the current element being parsed.
 *
 * @return The text contents of the current element being parsed.
 */
public String readText() throws XMLStreamException {
    if (isInsideResponseHeader()) {
        return getHeader(currentHeader);
    }
    if (currentEvent.isAttribute()) {
        Attribute attribute = (Attribute) currentEvent;
        return attribute.getValue();
    }

    StringBuilder sb = new StringBuilder();
    while (true) {
        XMLEvent event = eventReader.peek();
        if (event.getEventType() == XMLStreamConstants.CHARACTERS) {
            eventReader.nextEvent();
            sb.append(event.asCharacters().getData());
        } else if (event.getEventType() == XMLStreamConstants.END_ELEMENT) {
            return sb.toString();
        } else {
            throw new RuntimeException("Encountered unexpected event: " + event.toString());
        }
    }
}
 

/**
 * {@inheritDoc}
 */
@Override
public int nextTag() throws XMLStreamException {
    int tag = super.nextTag();
    if (tracing) {
        switch (tag) {
        case XMLStreamConstants.START_ELEMENT:
            System.err.println("[" + getLocalName());
            break;
        case XMLStreamConstants.END_ELEMENT:
            System.err.println(getLocalName() + "]");
            break;
        default:
            System.err.println((tagStrings.containsKey(tag))
                ? tagStrings.get(tag)
                : "Weird tag: " + tag);
            break;
        }
    }
    return tag;
}
 

/** Skips any insignificant events (COMMENT and PROCESSING_INSTRUCTION)
 * until a START_ELEMENT or
 * END_ELEMENT is reached. If other than space characters are
 * encountered, an exception is thrown. This method should
 * be used when processing element-only content because
 * the parser is not able to recognize ignorable whitespace if
 * then DTD is missing or not interpreted.
 * @return the event type of the element read
 * @throws XMLStreamException if the current event is not white space
 */
public int nextTag() throws XMLStreamException {

    int eventType = next();
    while((eventType == XMLStreamConstants.CHARACTERS && isWhiteSpace()) // skip whitespace
    || (eventType == XMLStreamConstants.CDATA && isWhiteSpace())
    // skip whitespace
    || eventType == XMLStreamConstants.SPACE
    || eventType == XMLStreamConstants.PROCESSING_INSTRUCTION
    || eventType == XMLStreamConstants.COMMENT
    ) {
        eventType = next();
    }

    if (eventType != XMLStreamConstants.START_ELEMENT && eventType != XMLStreamConstants.END_ELEMENT) {
        throw new XMLStreamException(
                "found: " + getEventTypeString(eventType)
                + ", expected " + getEventTypeString(XMLStreamConstants.START_ELEMENT)
                + " or " + getEventTypeString(XMLStreamConstants.END_ELEMENT),
                getLocation());
    }

    return eventType;
}
 

/**
 * Returns the text contents of the current element being parsed.
 *
 * @return The text contents of the current element being parsed.
 * @throws XMLStreamException
 */
public String readText() throws XMLStreamException {
    if (isInsideResponseHeader()) {
        return getHeader(currentHeader);
    }
    if (currentEvent.isAttribute()) {
        Attribute attribute = (Attribute)currentEvent;
        return attribute.getValue();
    }

    StringBuilder sb = new StringBuilder();
    while (true) {
        XMLEvent event = eventReader.peek();
        if (event.getEventType() == XMLStreamConstants.CHARACTERS) {
            eventReader.nextEvent();
            sb.append(event.asCharacters().getData());
        } else if (event.getEventType() == XMLStreamConstants.END_ELEMENT) {
            return sb.toString();
        } else {
            throw new RuntimeException("Encountered unexpected event: " + event.toString());
        }
    }
}
 

private static String getEventTypeName(int eventType) {
  switch (eventType) {
    case XMLStreamConstants.START_ELEMENT:
      return "START_ELEMENT";
    case XMLStreamConstants.END_ELEMENT:
      return "END_ELEMENT";
    case XMLStreamConstants.SPACE:
      return "SPACE";
    case XMLStreamConstants.CHARACTERS:
      return "CHARACTERS";
    case XMLStreamConstants.PROCESSING_INSTRUCTION:
      return "PROCESSING_INSTRUCTION";
    case XMLStreamConstants.CDATA:
      return "CDATA";
    case XMLStreamConstants.COMMENT:
      return "COMMENT";
    case XMLStreamConstants.ENTITY_REFERENCE:
      return "ENTITY_REFERENCE";
    case XMLStreamConstants.START_DOCUMENT:
      return "START_DOCUMENT";
    case XMLStreamConstants.END_DOCUMENT:
      return "END_DOCUMENT";
  }
  return null;
}
 

/**
 * Skips any insignificant events (COMMENT and PROCESSING_INSTRUCTION) until
 * a START_ELEMENT or END_ELEMENT is reached. If other than space characters
 * are encountered, an exception is thrown. This method should be used when
 * processing element-only content because the parser is not able to
 * recognize ignorable whitespace if then DTD is missing or not interpreted.
 *
 * @return the event type of the element read
 * @throws XMLStreamException if the current event is not white space
 */
public int nextTag() throws XMLStreamException {

    int eventType = next();
    while ((eventType == XMLStreamConstants.CHARACTERS && isWhiteSpace()) // skip whitespace
            || (eventType == XMLStreamConstants.CDATA && isWhiteSpace())
            // skip whitespace
            || eventType == XMLStreamConstants.SPACE
            || eventType == XMLStreamConstants.PROCESSING_INSTRUCTION
            || eventType == XMLStreamConstants.COMMENT) {
        eventType = next();
    }

    if (eventType != XMLStreamConstants.START_ELEMENT && eventType != XMLStreamConstants.END_ELEMENT) {
        throw new XMLStreamException(
                "found: " + getEventTypeString(eventType)
                + ", expected " + getEventTypeString(XMLStreamConstants.START_ELEMENT)
                + " or " + getEventTypeString(XMLStreamConstants.END_ELEMENT),
                getLocation());
    }

    return eventType;
}
 

@Override
public void accept(XMLStreamReader xr) {
	if(xr.getEventType() == XMLStreamConstants.START_ELEMENT
			&& xr.getLocalName().equals("offset")) {
		
		this.currId = xr.getAttributeValue(null, "idRef");
		
	} else if(xr.getEventType() == XMLStreamConstants.CHARACTERS
			&& this.currId != null){
		
		this.currOffset = Long.valueOf(xr.getText());
		
	} else if(xr.getEventType() == XMLStreamConstants.END_ELEMENT
			&& xr.getLocalName().equals("offset")){
		
		this.idToOffsets.put(this.currId, this.currOffset);
		this.offsets.add(this.currOffset);
		this.currId = null;
		this.currOffset = -1;
		
	}
}
 

/**
 * Parses the current element parser element. This method must only be called when the given stream reader points to a START_ELEMENT
 *
 * @param r the stream reader
 * @return the deserialized element
 * @throws XMLStreamException
 */
private Object handleStartElement( XMLStreamReader r ) throws XMLStreamException {
    String currentObjectName = r.getLocalName().toLowerCase();

    Map<String, String> attributes = new HashMap<>();
    for( int i = 0; i < r.getAttributeCount(); i++ )
        attributes.put( r.getAttributeLocalName( i ).toLowerCase(), r.getAttributeValue( i ) );

    NessusObject nessusObject = nessusObjectByName.containsKey( currentObjectName ) ? nessusObjectByName.get( currentObjectName ) : defaultObject;
    Object element = nessusObject.create( currentObjectName, attributes );

    while( r.hasNext() ) {
        switch( r.next() ) {
            case XMLStreamConstants.START_ELEMENT:
                Object child = handleStartElement( r );
                nessusObject.gotChild( element, child );
                break;

            case XMLStreamConstants.CHARACTERS:
                nessusObject.gotTextValue( element, r.getText() );
                break;

            case XMLStreamConstants.END_ELEMENT:
                return element;
        }
    }

    // should never happen the only return should be from END_ELEMENT
    return null;
}
 

public static void toNextTag(XMLStreamReader reader, QName name) {
    // skip any whitespace
    if (reader.getEventType() != XMLStreamConstants.START_ELEMENT &&
            reader.getEventType() != XMLStreamConstants.END_ELEMENT) {
        XMLStreamReaderUtil.nextElementContent(reader);
    }
    if(reader.getEventType() == XMLStreamConstants.END_ELEMENT && name.equals(reader.getName())) {
        XMLStreamReaderUtil.nextElementContent(reader);
    }
}
 

private static void parse(BufferedReader reader, SimulationDetailedParameters parameters) {
    try {
        XMLStreamReader xmlsr = XML_INPUT_FACTORY_SUPPLIER.get().createXMLStreamReader(reader);
        Contingency contingency = null;
        while (xmlsr.hasNext()) {
            int eventType = xmlsr.next();
            switch (eventType) {
                case XMLEvent.START_ELEMENT:
                    switch (xmlsr.getLocalName()) {
                        case "contingency":
                            contingency = new Contingency(xmlsr.getAttributeValue(null, "id"));
                            parameters.getContingencies().put(contingency.getId(), contingency);
                            break;
                        case "branch":
                            Objects.requireNonNull(contingency);
                            Branch branch = new Branch(xmlsr.getAttributeValue(null, "id"),
                                                       parseDoubleIfNotNull(xmlsr.getAttributeValue(null, "shortCircuitDuration")),
                                                       parseDoubleIfNotNull(xmlsr.getAttributeValue(null, "shortCircuitDistance")),
                                                       xmlsr.getAttributeValue(null, "shortCircuitSide"));
                            contingency.getBranches().put(branch.getId(), branch);
                            break;
                        case "generator":
                            Objects.requireNonNull(contingency);
                            Generator generator = new Generator(xmlsr.getAttributeValue(null, "id"),
                                                                parseDoubleIfNotNull(xmlsr.getAttributeValue(null, "shortCircuitDuration")));
                            contingency.getGenerators().put(generator.getId(), generator);
                            break;
                        default:
                            throw new AssertionError("Unexpected element: " + xmlsr.getLocalName());
                    }
                    break;

                case XMLStreamConstants.END_ELEMENT:
                    switch (xmlsr.getLocalName()) {
                        case "contingency":
                            contingency = null;
                            break;

                        case "branch":
                        case "generator":
                            // nothing to do
                            break;

                        default:
                            throw new AssertionError("Unexpected element: " + xmlsr.getLocalName());
                    }
                    break;

                default:
                    break;
            }
        }
    } catch (XMLStreamException e) {
        throw new UncheckedXmlStreamException(e);
    }
}
 

public static void readRelationSet(XMLStreamReader xsr,
        RelationSet relations, Set<Integer> allAnnotIds)
        throws XMLStreamException {
  while(xsr.nextTag() == XMLStreamConstants.START_ELEMENT) {
    xsr.require(XMLStreamConstants.START_ELEMENT, null, "Relation");
    String type = xsr.getAttributeValue(null, "Type");
    String idString = xsr.getAttributeValue(null, "Id");
    String memberString = xsr.getAttributeValue(null, "Members");
    
    if(memberString == null)
      throw new XMLStreamException("A relation must have members");
    if (type == null)
      throw new XMLStreamException("A relation must have a type");
    if (idString == null)
      throw new XMLStreamException("A relation must have an id");
    
    String[] memberStrings = memberString.split(";");
    int[] members = new int[memberStrings.length];
    for(int i = 0; i < members.length; ++i) {
      members[i] = Integer.parseInt(memberStrings[i]);
    }

    xsr.nextTag();
    xsr.require(XMLStreamConstants.START_ELEMENT, null, "UserData");

    // get the string representation of the user data
    StringBuilder stringRep = new StringBuilder(1024);
    int eventType;
    while((eventType = xsr.next()) != XMLStreamConstants.END_ELEMENT) {
      switch(eventType) {
        case XMLStreamConstants.CHARACTERS:
        case XMLStreamConstants.CDATA:
          stringRep.append(xsr.getTextCharacters(), xsr.getTextStart(),
                  xsr.getTextLength());
          break;

        case XMLStreamConstants.START_ELEMENT:
          throw new XMLStreamException("Elements not allowed within "
                  + "user data.", xsr.getLocation());

        default:
          // do nothing - ignore comments, PIs, etc.
      }
    }

    xsr.require(XMLStreamConstants.END_ELEMENT, null, "UserData");

    FeatureMap features = readFeatureMap(xsr);

    Relation r = new SimpleRelation(Integer.parseInt(idString), type, members);
    r.setFeatures(features);

    if(stringRep.length() > 0) {
      ObjectWrapper wrapper = new ObjectWrapper(stringRep.toString());
      r.setUserData(wrapper.getValue());
    }

    relations.add(r);
  }
}
 

public void parse(XMLEventReader input) throws XMLStreamException, XNIException {
    XMLEvent currentEvent = input.peek();
    if (currentEvent != null) {
        int eventType = currentEvent.getEventType();
        if (eventType != XMLStreamConstants.START_DOCUMENT &&
            eventType != XMLStreamConstants.START_ELEMENT) {
            throw new XMLStreamException();
        }
        fLocationWrapper.setLocation(currentEvent.getLocation());
        fSchemaDOMParser.startDocument(fLocationWrapper, null, fNamespaceContext, null);
        loop: while (input.hasNext()) {
            currentEvent = input.nextEvent();
            eventType = currentEvent.getEventType();
            switch (eventType) {
            case XMLStreamConstants.START_ELEMENT:
                ++fDepth;
                StartElement start = currentEvent.asStartElement();
                fillQName(fElementQName, start.getName());
                fLocationWrapper.setLocation(start.getLocation());
                fNamespaceContext.setNamespaceContext(start.getNamespaceContext());
                fillXMLAttributes(start);
                fillDeclaredPrefixes(start);
                addNamespaceDeclarations();
                fNamespaceContext.pushContext();
                fSchemaDOMParser.startElement(fElementQName, fAttributes, null);
                break;
            case XMLStreamConstants.END_ELEMENT:
                EndElement end = currentEvent.asEndElement();
                fillQName(fElementQName, end.getName());
                fillDeclaredPrefixes(end);
                fLocationWrapper.setLocation(end.getLocation());
                fSchemaDOMParser.endElement(fElementQName, null);
                fNamespaceContext.popContext();
                --fDepth;
                if (fDepth <= 0) {
                    break loop;
                }
                break;
            case XMLStreamConstants.CHARACTERS:
                sendCharactersToSchemaParser(currentEvent.asCharacters().getData(), false);
                break;
            case XMLStreamConstants.SPACE:
                sendCharactersToSchemaParser(currentEvent.asCharacters().getData(), true);
                break;
            case XMLStreamConstants.CDATA:
                fSchemaDOMParser.startCDATA(null);
                sendCharactersToSchemaParser(currentEvent.asCharacters().getData(), false);
                fSchemaDOMParser.endCDATA(null);
                break;
            case XMLStreamConstants.PROCESSING_INSTRUCTION:
                ProcessingInstruction pi = (ProcessingInstruction)currentEvent;
                fillProcessingInstruction(pi.getData());
                fSchemaDOMParser.processingInstruction(pi.getTarget(), 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);
    }
}
 

private static void skipChain(XMLStreamReader reader) {
    while (XMLStreamReaderUtil.nextContent(reader) !=
            XMLStreamConstants.END_ELEMENT ||
            !reader.getName().equals(QNAME_HANDLER_CHAIN)) {}
    XMLStreamReaderUtil.nextElementContent(reader);
}
 

public void bridge() throws XMLStreamException {

        try {
            // remembers the nest level of elements to know when we are done.
            int depth=0;

            // if the parser is at the start tag, proceed to the first element
            int event = staxStreamReader.getEventType();
            if(event == XMLStreamConstants.START_DOCUMENT) {
                // nextTag doesn't correctly handle DTDs
                while( !staxStreamReader.isStartElement() )
                    event = staxStreamReader.next();
            }


            if( event!=XMLStreamConstants.START_ELEMENT)
                throw new IllegalStateException("The current event is not START_ELEMENT\n but " + event);

            handleStartDocument(staxStreamReader.getNamespaceContext());

            OUTER:
            while(true) {
                // These are all of the events listed in the javadoc for
                // XMLEvent.
                // The spec only really describes 11 of them.
                switch (event) {
                    case XMLStreamConstants.START_ELEMENT :
                        handleStartElement();
                        depth++;
                        break;
                    case XMLStreamConstants.END_ELEMENT :
                        depth--;
                        handleEndElement();
                        if(depth==0)    break OUTER;
                        break;
                    case XMLStreamConstants.CHARACTERS :
                    case XMLStreamConstants.CDATA :
                    case XMLStreamConstants.SPACE :
                        handleCharacters();
                        break;
                    // otherwise simply ignore
                }

                event=staxStreamReader.next();
            }

            staxStreamReader.next();    // move beyond the end tag.

            handleEndDocument();
        } catch (SAXException e) {
            throw new XMLStreamException(e);
        }
    }
 

private TubelineFeature parseFactories(final boolean enabled, final StartElement element, final XMLEventReader reader)
        throws WebServiceException {
    int elementRead = 0;
    loop:
    while (reader.hasNext()) {
        try {
            final XMLEvent event = reader.nextEvent();
            switch (event.getEventType()) {
                case XMLStreamConstants.COMMENT:
                    break; // skipping the comments and start document events
                case XMLStreamConstants.CHARACTERS:
                    if (event.asCharacters().isWhiteSpace()) {
                        break;
                    }
                    else {
                        // TODO: logging message
                        throw LOGGER.logSevereException(new WebServiceException("No character data allowed, was " + event.asCharacters()));
                    }
                case XMLStreamConstants.START_ELEMENT:
                    // TODO implement
                    elementRead++;
                    break;
                case XMLStreamConstants.END_ELEMENT:
                    elementRead--;
                    if (elementRead < 0) {
                        final EndElement endElement = event.asEndElement();
                        if (!element.getName().equals(endElement.getName())) {
                            // TODO logging message
                            throw LOGGER.logSevereException(new WebServiceException("End element does not match " + endElement));
                        }
                        break loop;
                    }
                    else {
                        break;
                    }
                default:
                    // TODO logging message
                    throw LOGGER.logSevereException(new WebServiceException("Unexpected event, was " + event));
            }
        } catch (XMLStreamException e) {
            // TODO logging message
            throw LOGGER.logSevereException(new WebServiceException("Failed to unmarshal XML document", e));
        }
    }

    // TODO implement
    return new TubelineFeature(enabled);
}