Example usage for javax.xml.stream.events StartElement getName

Introduction

In this page you can find the example usage for javax.xml.stream.events StartElement getName.

Prototype

public QName getName();

Source Link

Document

Get the name of this event

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    XMLInputFactory xif = XMLInputFactory.newInstance();
    XMLEventReader xmlr = xif.createXMLEventReader((new FileInputStream(new File("./file.xml"))));

    boolean inline = false;
    StringBuffer sb = new StringBuffer();
    while (xmlr.hasNext()) {
        XMLEvent event = xmlr.nextEvent();

        if (event.isStartElement()) {
            StartElement element = (StartElement) event;
            if ("data".equals(element.getName().toString().trim())) {
                inline = true;//w w  w.  j a v  a 2  s  .c o m
            }
        }

        if (inline) {
            sb.append(xmlr.peek());
        }

        if (event.isEndElement()) {
            EndElement element = (EndElement) event;
            if ("data".equals(element.getName().toString().trim())) {
                inline = false;
                System.out.println(sb.toString());
                sb.setLength(0);
            }
        }
    }
}

From source file:XMLEventReaderDemo.java

public static void main(String[] args) throws Exception {
    XMLInputFactory factory = XMLInputFactory.newInstance();
    Reader fileReader = new FileReader("Source.xml");
    XMLEventReader reader = factory.createXMLEventReader(fileReader);

    while (reader.hasNext()) {
        XMLEvent event = reader.nextEvent();
        if (event.isStartElement()) {
            StartElement element = (StartElement) event;
            System.out.println("Start Element: " + element.getName());

            Iterator iterator = element.getAttributes();
            while (iterator.hasNext()) {
                Attribute attribute = (Attribute) iterator.next();
                QName name = attribute.getName();
                String value = attribute.getValue();
                System.out.println("Attribute name/value: " + name + "/" + value);
            }/*  www . j a  v a  2  s.  c o m*/
        }
        if (event.isEndElement()) {
            EndElement element = (EndElement) event;
            System.out.println("End element:" + element.getName());
        }
        if (event.isCharacters()) {
            Characters characters = (Characters) event;
            System.out.println("Text: " + characters.getData());
        }
    }
}

From source file:Main.java

public static String getLocalName(StartElement element) {
    return element.getName().getLocalPart();
}

From source file:Main.java

private static boolean checkNameAndNamespace(XMLEvent event, String tagName, String namespace) {
    if (event.isStartElement()) {
        StartElement element = (StartElement) event;
        QName name = element.getName();
        return tagName.equalsIgnoreCase(name.getLocalPart())
                && namespace.equalsIgnoreCase(name.getNamespaceURI());
    } else if (event.isEndElement()) {
        EndElement element = (EndElement) event;
        QName name = element.getName();
        return tagName.equalsIgnoreCase(name.getLocalPart())
                && namespace.equalsIgnoreCase(name.getNamespaceURI());
    }//from w  w  w  . j a  va  2 s .c om

    return false;
}

From source file:Main.java

/**
 * Returns the name of the root element of an XML message.
 * /* www  .  j ava  2 s  .  co m*/
 * @param xml     XML message
 * @return the name of the root element
 * @exception Exception if an error occurs
 */
public static String getRootElementName(byte[] xml) throws Exception {

    ByteArrayInputStream is = new ByteArrayInputStream(xml);
    XMLEventReader reader = inputFactory.createXMLEventReader(is);

    while (reader.hasNext()) {
        XMLEvent event = (XMLEvent) reader.next();

        if (event.isStartElement()) {
            StartElement startElement = event.asStartElement();
            return startElement.getName().getLocalPart();
        }
    }

    reader.close();
    return "";
}

From source file:Main.java

/**
 * Reads the events from the provided event stream until either a start or
 * end tag is encountered. In the former case, the start tag will be
 * returned if it matches the specified QName, but if it doesn't match, an
 * end tag is encountered, or the stream ends, <code>null</code> will be
 * returned. After returning, the stream will be positioned just before the
 * start element. The start element will not be consumed by this method.
 * /*from  ww  w.jav  a2s. c om*/
 * @param reader The event stream from which to read.
 * @param name The name of the element to read, or <code>null</code> to
 *            read any start tag.
 * @return The StartElement read from the stream, or <code>null</code> if
 *         the encountered start tag didn't match the specified QName, an
 *         end tag was found first, or the stream ended before a start
 *         element was found.
 * @throws XMLStreamException If an error occurs reading the stream.
 */
public static final StartElement nextElement(XMLEventReader reader, QName name) throws XMLStreamException {

    while (reader.hasNext()) {

        XMLEvent nextEvent = reader.peek();
        if (nextEvent.isStartElement()) {

            StartElement start = nextEvent.asStartElement();
            if (name == null || start.getName().equals(name)) {

                return start;

            } else {

                break;

            }

        } else if (nextEvent.isEndElement()) {

            break;

        } else {

            // consume the event.
            reader.nextEvent();

        }

    }

    return null;

}

From source file:Main.java

/**
 * Utility method that throws an exception if the provided reader is not
 * positioned before a StartElement event with the specified tag name.
 * //from  w w  w  .ja v a2  s. co m
 * @param reader The reader to test.
 * @param qname The required name of the start-tag. If <code>null</code>,
 *            any start tag is accepted.
 * @throws XMLStreamException If an error occurs reading from the stream.
 */
public static final void requireStartElement(XMLEventReader reader, QName qname) throws XMLStreamException {

    if (reader.hasNext()) {

        XMLEvent nextEvent = reader.peek();
        if (nextEvent.isStartElement()) {

            if (qname != null) {

                StartElement start = nextEvent.asStartElement();
                QName name = start.getName();
                if (!name.equals(qname)) {

                    throw new XMLStreamException(
                            "Encountered unexpected element; expected " + qname + ", but found " + name);

                }

            }

        } else {

            throw new XMLStreamException("Encountered unexpected event; expected " + qname
                    + " start-tag, but found event " + nextEvent);

        }

    } else {

        throw new XMLStreamException("Encountered unexpected end of stream; expected element " + qname);

    }

}

From source file:Main.java

/**
 * /*  www  .j a v  a2 s . co  m*/
 * @param is
 * @param os
 * @param elementNames
 * @throws XMLStreamException
 * @throws FactoryConfigurationError
 * @throws UnsupportedEncodingException
 */
public static void stripElements(final InputStream is, final OutputStream os,
        final Collection<String> elementNames)
        throws XMLStreamException, UnsupportedEncodingException, FactoryConfigurationError {
    final XMLEventReader xmlEventReader = XMLInputFactory.newInstance()
            .createXMLEventReader(new InputStreamReader(is, Charset.defaultCharset().name()));
    final XMLEventWriter xmlEventWriter = XMLOutputFactory.newInstance().createXMLEventWriter(os);

    String elementName = null;

    while (xmlEventReader.peek() != null) {
        final XMLEvent event = (XMLEvent) xmlEventReader.next();

        switch (event.getEventType()) {
        case XMLStreamConstants.START_DOCUMENT:
        case XMLStreamConstants.END_DOCUMENT: {
            // Ignore.
            break;
        }
        case XMLStreamConstants.START_ELEMENT: {
            final StartElement startElement = event.asStartElement();
            final QName name = startElement.getName();

            if (elementNames.contains(name.getLocalPart())) {
                elementName = name.getLocalPart();
            }

            if (elementName == null) {
                xmlEventWriter.add(event);
            }

            break;
        }
        case XMLStreamConstants.END_ELEMENT: {
            final EndElement endElement = event.asEndElement();
            final QName name = endElement.getName();

            if (elementName == null) {
                xmlEventWriter.add(event);
            } else if (elementName.equals(name.getLocalPart())) {
                elementName = null;
            }

            break;
        }
        default: {
            if (elementName == null) {
                xmlEventWriter.add(event);
            }
        }
        }
    }

    xmlEventWriter.flush();
}

From source file:Main.java

private static void writeAsEncodedUnicode(StartElement element, Writer writer, boolean isEmpty)
        throws XMLStreamException {
    try {//from  w  w w. j  a va2  s . c o  m
        // Write start tag.
        writer.write('<');
        QName name = element.getName();

        String prefix = name.getPrefix();
        if (prefix != null && prefix.length() > 0) {
            writer.write(prefix);
            writer.write(':');
        }
        writer.write(name.getLocalPart());

        // Write namespace declarations.
        Iterator nsIter = element.getNamespaces();
        while (nsIter.hasNext()) {
            Namespace ns = (Namespace) nsIter.next();
            writer.write(' ');
            ns.writeAsEncodedUnicode(writer);
        }

        // Write attributes
        Iterator attrIter = element.getAttributes();
        while (attrIter.hasNext()) {
            Attribute attr = (Attribute) attrIter.next();
            writer.write(' ');
            attr.writeAsEncodedUnicode(writer);
        }

        if (isEmpty)
            writer.write('/');
        writer.write('>');
    } catch (IOException ioe) {
        throw new XMLStreamException(ioe);
    }
}

From source file:com.predic8.membrane.core.interceptor.rest.XML2HTTP.java

private static String slurpCharacterData(XMLEventReader parser, StartElement sevent)
        throws XMLStreamException, XML2HTTPException {
    String name = sevent.getName().getLocalPart();
    StringBuilder value = new StringBuilder();
    while (parser.hasNext()) {
        XMLEvent event = parser.nextEvent();
        if (event.isCharacters()) {
            value.append(event.asCharacters().getData());
        } else if (event.isEndElement()) {
            break;
        } else {/*from   ww w.ja va  2 s. c  o m*/
            throw new XML2HTTPException("XML-HTTP doc <" + name + "> element contains non-character data.");
        }
    }
    return value.toString();
}