联系人列表为空，请先登录

  1. 查询
  2. 包列表
  3. 类列表
  4. 方法
  5. javax.xml.stream.events.XMLEvent#isStartDocument ( )

javax.xml.stream.events.XMLEvent#isStartDocument ( )源码实例Demo

下面列出了javax.xml.stream.events.XMLEvent#isStartDocument ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： spring-analysis-note   文件： StaxEventXMLReader.java 
/**
 * Constructs a new instance of the {@code StaxEventXmlReader} that reads from
 * the given {@code XMLEventReader}. The supplied event reader must be in
 * {@code XMLStreamConstants.START_DOCUMENT} or {@code XMLStreamConstants.START_ELEMENT} state.
 * @param reader the {@code XMLEventReader} to read from
 * @throws IllegalStateException if the reader is not at the start of a document or element
 */
StaxEventXMLReader(XMLEventReader reader) {
	try {
		XMLEvent event = reader.peek();
		if (event != null && !(event.isStartDocument() || event.isStartElement())) {
			throw new IllegalStateException("XMLEventReader not at start of document or element");
		}
	}
	catch (XMLStreamException ex) {
		throw new IllegalStateException("Could not read first element: " + ex.getMessage());
	}
	this.reader = reader;
}
源代码2 项目： TencentKona-8   文件： UnmarshallerImpl.java 
private Object unmarshal0(XMLEventReader reader,JaxBeanInfo expectedType) throws JAXBException {
    if (reader == null) {
        throw new IllegalArgumentException(
                Messages.format(Messages.NULL_READER));
    }

    try {
        XMLEvent event = reader.peek();

        if (!event.isStartElement() && !event.isStartDocument()) {
            // TODO: convert event into event name
            throw new IllegalStateException(
                Messages.format(
                    Messages.ILLEGAL_READER_STATE,event.getEventType()));
        }

        // Quick hack until SJSXP fixes 6270116
        boolean isZephyr = reader.getClass().getName().equals("com.sun.xml.internal.stream.XMLReaderImpl");
        XmlVisitor h = createUnmarshallerHandler(null,false,expectedType);
        if(!isZephyr) {
            h = new InterningXmlVisitor(h);
        }
        new StAXEventConnector(reader,h).bridge();
        return h.getContext().getResult();
    } catch (XMLStreamException e) {
        throw handleStreamException(e);
    }
}
源代码3 项目： java-technology-stack   文件： StaxEventXMLReader.java 
/**
 * Constructs a new instance of the {@code StaxEventXmlReader} that reads from
 * the given {@code XMLEventReader}. The supplied event reader must be in
 * {@code XMLStreamConstants.START_DOCUMENT} or {@code XMLStreamConstants.START_ELEMENT} state.
 * @param reader the {@code XMLEventReader} to read from
 * @throws IllegalStateException if the reader is not at the start of a document or element
 */
StaxEventXMLReader(XMLEventReader reader) {
	try {
		XMLEvent event = reader.peek();
		if (event != null && !(event.isStartDocument() || event.isStartElement())) {
			throw new IllegalStateException("XMLEventReader not at start of document or element");
		}
	}
	catch (XMLStreamException ex) {
		throw new IllegalStateException("Could not read first element: " + ex.getMessage());
	}
	this.reader = reader;
}
源代码4 项目： jdk8u60   文件： UnmarshallerImpl.java 
private Object unmarshal0(XMLEventReader reader,JaxBeanInfo expectedType) throws JAXBException {
    if (reader == null) {
        throw new IllegalArgumentException(
                Messages.format(Messages.NULL_READER));
    }

    try {
        XMLEvent event = reader.peek();

        if (!event.isStartElement() && !event.isStartDocument()) {
            // TODO: convert event into event name
            throw new IllegalStateException(
                Messages.format(
                    Messages.ILLEGAL_READER_STATE,event.getEventType()));
        }

        // Quick hack until SJSXP fixes 6270116
        boolean isZephyr = reader.getClass().getName().equals("com.sun.xml.internal.stream.XMLReaderImpl");
        XmlVisitor h = createUnmarshallerHandler(null,false,expectedType);
        if(!isZephyr) {
            h = new InterningXmlVisitor(h);
        }
        new StAXEventConnector(reader,h).bridge();
        return h.getContext().getResult();
    } catch (XMLStreamException e) {
        throw handleStreamException(e);
    }
}
源代码5 项目： openjdk-8   文件： UnmarshallerImpl.java 
private Object unmarshal0(XMLEventReader reader,JaxBeanInfo expectedType) throws JAXBException {
    if (reader == null) {
        throw new IllegalArgumentException(
                Messages.format(Messages.NULL_READER));
    }

    try {
        XMLEvent event = reader.peek();

        if (!event.isStartElement() && !event.isStartDocument()) {
            // TODO: convert event into event name
            throw new IllegalStateException(
                Messages.format(
                    Messages.ILLEGAL_READER_STATE,event.getEventType()));
        }

        // Quick hack until SJSXP fixes 6270116
        boolean isZephyr = reader.getClass().getName().equals("com.sun.xml.internal.stream.XMLReaderImpl");
        XmlVisitor h = createUnmarshallerHandler(null,false,expectedType);
        if(!isZephyr) {
            h = new InterningXmlVisitor(h);
        }
        new StAXEventConnector(reader,h).bridge();
        return h.getContext().getResult();
    } catch (XMLStreamException e) {
        throw handleStreamException(e);
    }
}
源代码6 项目： openjdk-jdk8u   文件： UnmarshallerImpl.java 
private Object unmarshal0(XMLEventReader reader,JaxBeanInfo expectedType) throws JAXBException {
    if (reader == null) {
        throw new IllegalArgumentException(
                Messages.format(Messages.NULL_READER));
    }

    try {
        XMLEvent event = reader.peek();

        if (!event.isStartElement() && !event.isStartDocument()) {
            // TODO: convert event into event name
            throw new IllegalStateException(
                Messages.format(
                    Messages.ILLEGAL_READER_STATE,event.getEventType()));
        }

        // Quick hack until SJSXP fixes 6270116
        boolean isZephyr = reader.getClass().getName().equals("com.sun.xml.internal.stream.XMLReaderImpl");
        XmlVisitor h = createUnmarshallerHandler(null,false,expectedType);
        if(!isZephyr) {
            h = new InterningXmlVisitor(h);
        }
        new StAXEventConnector(reader,h).bridge();
        return h.getContext().getResult();
    } catch (XMLStreamException e) {
        throw handleStreamException(e);
    }
}
源代码7 项目： openjdk-jdk8u-backup   文件： UnmarshallerImpl.java 
private Object unmarshal0(XMLEventReader reader,JaxBeanInfo expectedType) throws JAXBException {
    if (reader == null) {
        throw new IllegalArgumentException(
                Messages.format(Messages.NULL_READER));
    }

    try {
        XMLEvent event = reader.peek();

        if (!event.isStartElement() && !event.isStartDocument()) {
            // TODO: convert event into event name
            throw new IllegalStateException(
                Messages.format(
                    Messages.ILLEGAL_READER_STATE,event.getEventType()));
        }

        // Quick hack until SJSXP fixes 6270116
        boolean isZephyr = reader.getClass().getName().equals("com.sun.xml.internal.stream.XMLReaderImpl");
        XmlVisitor h = createUnmarshallerHandler(null,false,expectedType);
        if(!isZephyr) {
            h = new InterningXmlVisitor(h);
        }
        new StAXEventConnector(reader,h).bridge();
        return h.getContext().getResult();
    } catch (XMLStreamException e) {
        throw handleStreamException(e);
    }
}
源代码8 项目： hottub   文件： UnmarshallerImpl.java 
private Object unmarshal0(XMLEventReader reader,JaxBeanInfo expectedType) throws JAXBException {
    if (reader == null) {
        throw new IllegalArgumentException(
                Messages.format(Messages.NULL_READER));
    }

    try {
        XMLEvent event = reader.peek();

        if (!event.isStartElement() && !event.isStartDocument()) {
            // TODO: convert event into event name
            throw new IllegalStateException(
                Messages.format(
                    Messages.ILLEGAL_READER_STATE,event.getEventType()));
        }

        // Quick hack until SJSXP fixes 6270116
        boolean isZephyr = reader.getClass().getName().equals("com.sun.xml.internal.stream.XMLReaderImpl");
        XmlVisitor h = createUnmarshallerHandler(null,false,expectedType);
        if(!isZephyr) {
            h = new InterningXmlVisitor(h);
        }
        new StAXEventConnector(reader,h).bridge();
        return h.getContext().getResult();
    } catch (XMLStreamException e) {
        throw handleStreamException(e);
    }
}
源代码9 项目： openjdk-8-source   文件： UnmarshallerImpl.java 
private Object unmarshal0(XMLEventReader reader,JaxBeanInfo expectedType) throws JAXBException {
    if (reader == null) {
        throw new IllegalArgumentException(
                Messages.format(Messages.NULL_READER));
    }

    try {
        XMLEvent event = reader.peek();

        if (!event.isStartElement() && !event.isStartDocument()) {
            // TODO: convert event into event name
            throw new IllegalStateException(
                Messages.format(
                    Messages.ILLEGAL_READER_STATE,event.getEventType()));
        }

        // Quick hack until SJSXP fixes 6270116
        boolean isZephyr = reader.getClass().getName().equals("com.sun.xml.internal.stream.XMLReaderImpl");
        XmlVisitor h = createUnmarshallerHandler(null,false,expectedType);
        if(!isZephyr) {
            h = new InterningXmlVisitor(h);
        }
        new StAXEventConnector(reader,h).bridge();
        return h.getContext().getResult();
    } catch (XMLStreamException e) {
        throw handleStreamException(e);
    }
}
源代码10 项目： exificient   文件： SkipRootElementXMLEventReader.java 
public SkipRootElementXMLEventReader(XMLEventReader parent)
		throws XMLStreamException {
	events = new ArrayList<XMLEvent>();
	int openElement = 0;

	while (parent.hasNext()) {
		XMLEvent next = parent.nextEvent();

		if (next.isStartDocument()) {
			events.add(next);
		} else if (next.isEndDocument()) {
			events.add(next);
		} else if (next.isStartElement()) {
			if (openElement > 0) {
				events.add(next);
			}
			openElement++;
		} else if (next.isEndElement()) {
			openElement--;
			if (openElement > 0) {
				events.add(next);
			}
		} else {
			if (openElement > 0) {
				events.add(next);
			}
		}

	}

}
源代码11 项目： spring-analysis-note   文件： StaxEventXMLReader.java 
@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();
	}

}
源代码12 项目： spring-analysis-note   文件： StaxEventXMLReader.java 
private void handleStartDocument(final XMLEvent event) throws SAXException {
	if (event.isStartDocument()) {
		StartDocument startDocument = (StartDocument) event;
		String xmlVersion = startDocument.getVersion();
		if (StringUtils.hasLength(xmlVersion)) {
			this.xmlVersion = xmlVersion;
		}
		if (startDocument.encodingSet()) {
			this.encoding = startDocument.getCharacterEncodingScheme();
		}
	}
	if (getContentHandler() != null) {
		final Location location = event.getLocation();
		getContentHandler().setDocumentLocator(new Locator2() {
			@Override
			public int getColumnNumber() {
				return (location != null ? location.getColumnNumber() : -1);
			}
			@Override
			public int getLineNumber() {
				return (location != null ? location.getLineNumber() : -1);
			}
			@Override
			@Nullable
			public String getPublicId() {
				return (location != null ? location.getPublicId() : null);
			}
			@Override
			@Nullable
			public String getSystemId() {
				return (location != null ? location.getSystemId() : null);
			}
			@Override
			public String getXMLVersion() {
				return xmlVersion;
			}
			@Override
			@Nullable
			public String getEncoding() {
				return encoding;
			}
		});
		getContentHandler().startDocument();
	}
}
源代码13 项目： java-technology-stack   文件： StaxEventXMLReader.java 
@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();
	}

}
源代码14 项目： jettison   文件： AbstractXMLEventWriter.java 
public void add(XMLEvent event) throws XMLStreamException {
	if (event.isStartDocument()) {
		streamWriter.writeStartDocument();
	} else if (event.isStartElement()) {
		StartElement element = event.asStartElement();
		QName elQName = element.getName();
		if (elQName.getPrefix().length() > 0
				&& elQName.getNamespaceURI().length() > 0)
			streamWriter.writeStartElement(elQName.getPrefix(), elQName
					.getLocalPart(), elQName.getNamespaceURI());
		else if (elQName.getNamespaceURI().length() > 0)
			streamWriter.writeStartElement(elQName.getNamespaceURI(),
					elQName.getLocalPart());
		else
			streamWriter.writeStartElement(elQName.getLocalPart());

		// Add element namespaces
		Iterator namespaces = element.getNamespaces();
		while (namespaces.hasNext()) {
			Namespace ns = (Namespace) namespaces.next();
			String prefix = ns.getPrefix();
			String nsURI = ns.getNamespaceURI();
			streamWriter.writeNamespace(prefix, nsURI);
		}

		// Add element attributes
		Iterator attris = element.getAttributes();
		while (attris.hasNext()) {
			Attribute attr = (Attribute) attris.next();
			QName atQName = attr.getName();
			String value = attr.getValue();
			if (atQName.getPrefix().length() > 0
					&& atQName.getNamespaceURI().length() > 0)
				streamWriter.writeAttribute(atQName.getPrefix(), atQName
						.getNamespaceURI(), atQName.getLocalPart(), value);
			else if (atQName.getNamespaceURI().length() > 0)
				streamWriter.writeAttribute(atQName.getNamespaceURI(),
						atQName.getLocalPart(), value);
			else
				streamWriter.writeAttribute(atQName.getLocalPart(), value);
		}
	} else if (event.isCharacters()) {
		Characters chars = event.asCharacters();
		streamWriter.writeCharacters(chars.getData());
	} else if (event.isEndElement()) {
		streamWriter.writeEndElement();
	} else if (event.isEndDocument()) {
		streamWriter.writeEndDocument();
	} else {
		throw new XMLStreamException("Unsupported event type: " + event);
	}
}
源代码15 项目： onos   文件： XmlMerger.java 
@Override
protected void decode(ChannelHandlerContext ctx, Object object, List out) throws Exception {
    try {
        if (object instanceof  XMLEvent) {
            final XMLEvent event = (XMLEvent) object;

            if (event.isStartDocument() || event.isEndDocument()) {
                return;
            }

            if (event.isCharacters() && depth <= 1) {
                return;
            }

            if (depth < 1 && event.isStartElement()) {
                out.add(object);
                depth++;
                return;
            }

            if (depth <= 1 && event.isEndElement()) {
                out.add(object);
                depth--;
                return;
            }

            writer.add(event);

            if (event.isStartElement()) {
                depth++;
            } else if (event.isEndElement()) {
                depth--;

                if (depth == 1) {
                    writer.flush();
                    org.dom4j.Element xmlElement = transform().getRootElement();
                    out.add(xmlElement);
                    writer.close();
                    resetWriter();
                }
            }
        }
    } catch (Exception e) {
        logger.info(e.getCause().getMessage());
        throw e;
    }
}
源代码16 项目： spring4-understanding   文件： StaxEventXMLReader.java 
private void handleStartDocument(final XMLEvent event) throws SAXException {
	if (event.isStartDocument()) {
		StartDocument startDocument = (StartDocument) event;
		String xmlVersion = startDocument.getVersion();
		if (StringUtils.hasLength(xmlVersion)) {
			this.xmlVersion = xmlVersion;
		}
		if (startDocument.encodingSet()) {
			this.encoding = startDocument.getCharacterEncodingScheme();
		}
	}
	if (getContentHandler() != null) {
		final Location location = event.getLocation();
		getContentHandler().setDocumentLocator(new Locator2() {
			@Override
			public int getColumnNumber() {
				return (location != null ? location.getColumnNumber() : -1);
			}
			@Override
			public int getLineNumber() {
				return (location != null ? location.getLineNumber() : -1);
			}
			@Override
			public String getPublicId() {
				return (location != null ? location.getPublicId() : null);
			}
			@Override
			public String getSystemId() {
				return (location != null ? location.getSystemId() : null);
			}
			@Override
			public String getXMLVersion() {
				return xmlVersion;
			}
			@Override
			public String getEncoding() {
				return encoding;
			}
		});
		getContentHandler().startDocument();
	}
}
源代码17 项目： lams   文件： StaxEventXMLReader.java 
@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();
	}

}
源代码18 项目： lams   文件： StaxEventXMLReader.java 
private void handleStartDocument(final XMLEvent event) throws SAXException {
	if (event.isStartDocument()) {
		StartDocument startDocument = (StartDocument) event;
		String xmlVersion = startDocument.getVersion();
		if (StringUtils.hasLength(xmlVersion)) {
			this.xmlVersion = xmlVersion;
		}
		if (startDocument.encodingSet()) {
			this.encoding = startDocument.getCharacterEncodingScheme();
		}
	}
	if (getContentHandler() != null) {
		final Location location = event.getLocation();
		getContentHandler().setDocumentLocator(new Locator2() {
			@Override
			public int getColumnNumber() {
				return (location != null ? location.getColumnNumber() : -1);
			}
			@Override
			public int getLineNumber() {
				return (location != null ? location.getLineNumber() : -1);
			}
			@Override
			public String getPublicId() {
				return (location != null ? location.getPublicId() : null);
			}
			@Override
			public String getSystemId() {
				return (location != null ? location.getSystemId() : null);
			}
			@Override
			public String getXMLVersion() {
				return xmlVersion;
			}
			@Override
			public String getEncoding() {
				return encoding;
			}
		});
		getContentHandler().startDocument();
	}
}
源代码19 项目： versions-maven-plugin   文件： DisplayPluginUpdatesMojo.java 
/**
 * Returns a set of Strings which correspond to the plugin coordinates where there is a version specified.
 *
 * @param pomContents The project to get the plugins with versions specified.
 * @param path Path that points to the source of the XML
 * @return a set of Strings which correspond to the plugin coordinates where there is a version specified.
 */
private Set<String> findPluginsWithVersionsSpecified( StringBuilder pomContents, String path )
    throws IOException, XMLStreamException
{
    Set<String> result = new HashSet<>();
    ModifiedPomXMLEventReader pom = newModifiedPomXER( pomContents, path );

    Pattern pathRegex = Pattern.compile( "/project(/profiles/profile)?"
        + "((/build(/pluginManagement)?)|(/reporting))" + "/plugins/plugin" );
    Stack<StackState> pathStack = new Stack<StackState>();
    StackState curState = null;
    while ( pom.hasNext() )
    {
        XMLEvent event = pom.nextEvent();
        if ( event.isStartDocument() )
        {
            curState = new StackState( "" );
            pathStack.clear();
        }
        else if ( event.isStartElement() )
        {
            String elementName = event.asStartElement().getName().getLocalPart();
            if ( curState != null && pathRegex.matcher( curState.path ).matches() )
            {
                if ( "groupId".equals( elementName ) )
                {
                    curState.groupId = pom.getElementText().trim();
                    continue;
                }
                else if ( "artifactId".equals( elementName ) )
                {
                    curState.artifactId = pom.getElementText().trim();
                    continue;

                }
                else if ( "version".equals( elementName ) )
                {
                    curState.version = pom.getElementText().trim();
                    continue;
                }
            }

            pathStack.push( curState );
            curState = new StackState( curState.path + "/" + elementName );
        }
        else if ( event.isEndElement() )
        {
            if ( curState != null && pathRegex.matcher( curState.path ).matches() )
            {
                if ( curState.artifactId != null && curState.version != null )
                {
                    if ( curState.groupId == null )
                    {
                        curState.groupId = PomHelper.APACHE_MAVEN_PLUGINS_GROUPID;
                    }
                    result.add( curState.groupId + ":" + curState.artifactId );
                }
            }
            curState = pathStack.pop();
        }
    }

    return result;

}
源代码20 项目： spring4-understanding   文件： StaxEventXMLReader.java 
@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();
	}

}
 方法所在类
javax.xml.stream.events.XMLEvent
 同类方法
START_ELEMENT
END_ELEMENT
getEventType ( )
CHARACTERS
isStartElement ( )
ATTRIBUTE
ENTITY_REFERENCE
PROCESSING_INSTRUCTION
isEndElement ( )
COMMENT
asStartElement ( )
SPACE
CDATA
END_DOCUMENT
DTD
isCharacters ( )
NAMESPACE
START_DOCUMENT
getLocation ( )
asEndElement ( )
isStartDocument ( )
asCharacters ( )
isEndDocument ( )
isAttribute ( )