Example usage for javax.xml.stream XMLStreamReader nextTag

Introduction

In this page you can find the example usage for javax.xml.stream XMLStreamReader nextTag.

Prototype

public int nextTag() throws XMLStreamException;

Source Link

Document

Skips any white space (isWhiteSpace() returns true), COMMENT, or PROCESSING_INSTRUCTION, until a START_ELEMENT or END_ELEMENT is reached.

Usage

From source file:Main.java

public static void readStartTag(XMLStreamReader reader, String localName) throws XMLStreamException {
    reader.nextTag();
    reader.require(XMLStreamConstants.START_ELEMENT, null, localName);
}

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From source file:Main.java

public static void readEndTag(XMLStreamReader reader, String localName) throws XMLStreamException {
    reader.nextTag();
    reader.require(XMLStreamConstants.END_ELEMENT, null, localName);
}

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From source file:Main.java

private static void skipStartDocument(XMLStreamReader parser) throws XMLStreamException {
    while (!parser.isStartElement()) {
        parser.nextTag();
    }//w  w  w  .j a v a 2s. c  o  m
}

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From source file:it.govpay.core.utils.client.SOAPUtils.java

public static Object unmarshal(InputStream is, Schema schema)
        throws JAXBException, SAXException, IOException, XMLStreamException {

    XMLStreamReader xsr = xif.createXMLStreamReader(is);

    boolean isBody = false;
    while (!isBody) {
        xsr.nextTag();
        if (xsr.isStartElement()) {
            String local = xsr.getLocalName();
            isBody = local.equals("Body");
        }/*from ww w  .j ava  2  s  .  c o  m*/
    }

    xsr.nextTag();
    if (!xsr.isStartElement()) {
        // Body vuoto
        return null;
    } else {
        return JaxbUtils.unmarshal(xsr, schema);
    }
}

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From source file:Main.java

/**
 * Determines if the given stream contains XML content. The stream will be
 * buffered and reset if necessary./*from  ww  w. ja  va2  s .co m*/
 * 
 * @param stream
 *            The InputStream to read.
 * @return true if the stream contains XML content; false otherwise.
 */
public static boolean isXML(InputStream stream) {
    if (!stream.markSupported()) {
        stream = new BufferedInputStream(stream, 1024);
    }
    stream.mark(1024);
    byte[] bytes = new byte[1024];
    try {
        try {
            stream.read(bytes);
        } finally {
            stream.reset();
        }
    } catch (IOException iox) {
        throw new RuntimeException("Failed to read or reset stream. " + iox.getMessage());
    }
    try {
        XMLInputFactory factory = XMLInputFactory.newInstance();
        XMLStreamReader reader = factory.createXMLStreamReader(new ByteArrayInputStream(bytes));
        // If XML, now in START_DOCUMENT state; seek document element.
        reader.nextTag();
    } catch (XMLStreamException xse) {
        return false;
    }
    return true;
}

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From source file:org.maodian.flyingcat.xmpp.codec.BindCodec.java

@Override
public Bind decode(XMLStreamReader xmlsr) {
    try {//from   w w w .  j a v a  2  s .  c  om
        xmlsr.nextTag();
        xmlsr.require(XMLStreamConstants.START_ELEMENT, XmppNamespace.BIND, "resource");
        Bind bind = new Bind();
        bind.setResource(xmlsr.getElementText());
        return bind;
    } catch (XMLStreamException e) {
        throw new XmppException(e, StreamError.INVALID_XML);
    }
}

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From source file:org.maodian.flyingcat.xmpp.codec.RosterCodec.java

@Override
public Object decode(XMLStreamReader xmlsr) {
    try {/* w w w. j a v a  2 s.  c o  m*/
        xmlsr.nextTag();
        // check end element for empty tag
        // xmlsr.require(XMLStreamConstants.END_ELEMENT, XmppNamespace.ROSTER, "query");
        return new Roster();
    } catch (XMLStreamException e) {
        throw new XmppException(e, StreamError.INVALID_XML);
    }
}

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From source file:org.maodian.flyingcat.xmpp.state.SelectState.java

@Override
public Result step(XmppContext context, String xml) {
    String fragment = context.wrapStreamTag(xml);
    try (Reader reader = new StringReader(fragment);) {
        try {//from w  w  w .j av a  2 s. c o  m
            XMLStreamReader xmlsr = XMLInputFactoryHolder.getXMLInputFactory().createXMLStreamReader(reader);
            // skip stream tag
            xmlsr.nextTag();
            xmlsr.nextTag();
            Decoder decoder = context.getGlobalContext().getDecoder(xmlsr.getName());
            ElementVisitee elem = (ElementVisitee) decoder.decode(xmlsr);
            State nextState = elem.acceptElementVisitor(context, elementVisitor);
            Result result = new DefaultResult(nextState);
            return result;
        } catch (XMLStreamException e) {
            throw new XmppException(e, StreamError.BAD_FORMAT);
        }
    } catch (IOException ioe) {
        // close a StringReader/StringWriter should not cause IOException, though
        throw new XmppException(ioe, StreamError.INTERNAL_SERVER_ERROR);
    }
}

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From source file:org.maodian.flyingcat.xmpp.state.StreamState.java

private void doHandle(XmppContext context, XMLStreamReader xmlsr, XMLStreamWriter xmlsw)
        throws XMLStreamException {
    xmlsr.nextTag();
    QName qname = new QName(XmppNamespace.STREAM, "stream");
    if (!xmlsr.getName().equals(qname)) {
        throw new XmppException(StreamError.INVALID_NAMESPACE).set("QName", xmlsr.getName());
    }//from www. j a va  2s  .  c  om

    // throw exception if client version > 1.0
    BigDecimal version = new BigDecimal(xmlsr.getAttributeValue("", "version"));
    if (version.compareTo(SUPPORTED_VERSION) > 0) {
        throw new XmppException(StreamError.UNSUPPORTED_VERSION);
    }

    xmlsw.writeStartDocument();
    xmlsw.writeStartElement("stream", "stream", XmppNamespace.STREAM);
    xmlsw.writeNamespace("stream", XmppNamespace.STREAM);
    xmlsw.writeDefaultNamespace(XmppNamespace.CLIENT_CONTENT);

    xmlsw.writeAttribute("id", RandomStringUtils.randomAlphabetic(32));
    xmlsw.writeAttribute("version", "1.0");
    xmlsw.writeAttribute("from", "localhost");
    xmlsw.writeAttribute(XMLConstants.XML_NS_PREFIX, XMLConstants.XML_NS_URI, "lang", "en");
    String from = xmlsr.getAttributeValue(null, "from");
    if (from != null) {
        xmlsw.writeAttribute("to", from);
    }

    // features
    xmlsw.writeStartElement(XmppNamespace.STREAM, "features");
    writeFeatures(xmlsw);
    xmlsw.writeEndElement();
}

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From source file:hudson.model.ExternalRun.java

/**
 * Instead of performing a build, accept the log and the return code from a
 * remote machine.//from   w w w  . j  av  a 2s.  c o  m
 *
 * <p> The format of the XML is:
 *
 * <pre><xmp>
 * <run>
 *  <log>...console output...</log>
 *  <result>exit code</result>
 * </run>
 * </xmp></pre>
 */
@SuppressWarnings({ "Since15" })
public void acceptRemoteSubmission(final Reader in) throws IOException {
    final long[] duration = new long[1];
    run(new Runner() {
        private String elementText(XMLStreamReader r) throws XMLStreamException {
            StringBuilder buf = new StringBuilder();
            while (true) {
                int type = r.next();
                if (type == CHARACTERS || type == CDATA) {
                    buf.append(r.getTextCharacters(), r.getTextStart(), r.getTextLength());
                } else {
                    return buf.toString();
                }
            }
        }

        public Result run(BuildListener listener) throws Exception {
            PrintStream logger = null;
            try {
                logger = new PrintStream(new DecodingStream(listener.getLogger()));

                XMLInputFactory xif = XMLInputFactory.newInstance();
                XMLStreamReader p = xif.createXMLStreamReader(in);

                p.nextTag(); // get to the <run>
                p.nextTag(); // get to the <log>

                charset = p.getAttributeValue(null, "content-encoding");
                while (p.next() != END_ELEMENT) {
                    int type = p.getEventType();
                    if (type == CHARACTERS || type == CDATA) {
                        logger.print(p.getText());
                    }
                }
                p.nextTag(); // get to <result>

                Result r = Integer.parseInt(elementText(p)) == 0 ? Result.SUCCESS : Result.FAILURE;

                p.nextTag(); // get to <duration> (optional)
                if (p.getEventType() == START_ELEMENT && p.getLocalName().equals("duration")) {
                    duration[0] = Long.parseLong(elementText(p));
                }

                return r;
            } finally {
                IOUtils.closeQuietly(logger);
            }
        }

        public void post(BuildListener listener) {
            // do nothing
        }

        public void cleanUp(BuildListener listener) {
            // do nothing
        }
    });

    if (duration[0] != 0) {
        super.duration = duration[0];
        // save the updated duration
        save();
    }
}

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