Example usage for javax.xml.stream XMLEventReader nextEvent

Introduction

In this page you can find the example usage for javax.xml.stream XMLEventReader nextEvent.

Prototype

public XMLEvent nextEvent() throws XMLStreamException;

Source Link

Document

Gets the next XMLEvent.

Usage

From source file:corpus.sinhala.crawler.blog.rss.RSSFeedParser.java

public String getBlogId() {
    Feed feed = null;//from   w w  w  .jav  a2  s.c o m
    String atomId = "";
    try {
        // First create a new XMLInputFactory
        XMLInputFactory inputFactory = XMLInputFactory.newInstance();
        // Setup a new eventReader
        InputStream in = read();
        XMLEventReader eventReader = inputFactory.createXMLEventReader(in);
        // Read the XML document
        int location = -1;
        while (eventReader.hasNext()) {
            XMLEvent event = eventReader.nextEvent();
            if (event.isStartElement()) {
                String localPart = event.asStartElement().getName().getLocalPart();
                //System.out.println(localPart);
                switch (localPart) {

                case CHANNEL:
                    event = eventReader.nextEvent();
                    atomId = getCharacterData(event, eventReader);
                    //System.out.println("Atom Id "+atomId );
                    return atomId.split("-")[1];
                }
            }
        }
    } catch (XMLStreamException e) {

        throw new RuntimeException(e);
    }

    return null;
}

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From source file:com.predic8.membrane.core.multipart.XOPReconstitutor.java

private byte[] fillInXOPParts(InputStream inputStream, HashMap<String, Part> parts)
        throws XMLStreamException, FactoryConfigurationError {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    XMLEventWriter writer = XMLOutputFactory.newInstance().createXMLEventWriter(baos);

    try {// w w  w  . jav  a 2  s  .com
        XMLEventReader parser = createEventReaderFromStream(inputStream);

        boolean xopIncludeOpen = false;

        while (parser.hasNext()) {
            XMLEvent event = parser.nextEvent();

            if (event instanceof StartElement) {
                StartElement start = (StartElement) event;
                if (XOP_NAMESPACE_URI.equals(start.getName().getNamespaceURI())
                        && start.getName().getLocalPart().equals("Include")) {
                    String href = start.getAttributeByName(new QName("href")).getValue();

                    if (href.startsWith("cid:"))
                        href = href.substring(4);

                    Part p = parts.get("<" + href + ">");
                    if (p == null)
                        throw new RuntimeException("Did not find multipart with id " + href);

                    writer.add(p.asXMLEvent());
                    xopIncludeOpen = true;
                    continue;
                }
            } else if (event instanceof EndElement) {
                EndElement start = (EndElement) event;
                if (XOP_NAMESPACE_URI.equals(start.getName().getNamespaceURI())
                        && start.getName().getLocalPart().equals("Include") && xopIncludeOpen) {
                    xopIncludeOpen = false;
                    continue;
                }
            }

            writer.add(event);
        }
        writer.flush();
    } catch (XMLStreamException e) {
        log.warn("Received not-wellformed XML.");
        return null;
    }
    return baos.toByteArray();
}

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From source file:fr.openwide.talendalfresco.rest.client.ClientCommandBase.java

public final void handleResponse(XMLEventReader xmlReader) throws XMLStreamException {
    // Read the response body and parse it
    while (xmlReader.hasNext()) {
        XMLEvent event = xmlReader.nextEvent();

        if (isInCommandResponseContent) {

            // within command content tag case
            switch (event.getEventType()) {
            case XMLEvent.END_ELEMENT:
                commandResponseContentDepth--;
                if (commandResponseContentDepth == -1) {
                    // means the content tag has been closed
                    isInCommandResponseContent = false;
                }//  w w w .j a  v  a2s.  co m
                break;
            case XMLEvent.START_ELEMENT:
                commandResponseContentDepth++;
            }
            // delegate impl of command content tag case
            handleResponseContentEvent(event);

        } else {

            // outside command content tag case
            handleResponseTopLevelEvent(event);
        }
    }

    resultCode = elementValueMap.get(RestConstants.TAG_CODE);
    resultError = elementValueMap.get(RestConstants.TAG_ERROR);
    resultMessage = elementValueMap.get(RestConstants.TAG_MESSAGE);
}

---

From source file:com.msopentech.odatajclient.testservice.utils.XMLUtilities.java

public static XmlElement getAtomElement(final StartElement start, final XMLEventReader reader)
        throws Exception {

    final XmlElement res = new XmlElement();
    res.setStart(start);//from  ww  w.jav  a  2  s .  c  om

    StringWriter content = new StringWriter();

    int depth = 1;

    while (reader.hasNext() && depth > 0) {
        final XMLEvent event = reader.nextEvent();

        if (event.getEventType() == XMLStreamConstants.START_ELEMENT
                && start.getName().getLocalPart().equals(event.asStartElement().getName().getLocalPart())) {
            depth++;
        } else if (event.getEventType() == XMLStreamConstants.END_ELEMENT
                && start.getName().getLocalPart().equals(event.asEndElement().getName().getLocalPart())) {
            depth--;
        }

        if (depth == 0) {
            res.setEnd(event.asEndElement());
        } else {
            event.writeAsEncodedUnicode(content);
        }
    }

    content.flush();
    content.close();

    res.setContent(new ByteArrayInputStream(content.toString().getBytes()));

    return res;
}

---

From source file:com.streamsets.pipeline.lib.salesforce.BulkRecordCreator.java

private Field pullMap(XMLEventReader reader) throws StageException, XMLStreamException {
    LinkedHashMap<String, Field> map = new LinkedHashMap<>();
    String type = null;/*from  ww  w  . jav a  2 s. com*/

    while (reader.hasNext()) {
        XMLEvent event = reader.nextEvent();
        if (event.isStartElement()) {
            if (event.asStartElement().getName().getLocalPart().equals(TYPE)) {
                // Move to content
                event = reader.nextEvent();
                type = event.asCharacters().getData().toLowerCase();
                // Consume closing tag
                reader.nextEvent();
            } else {
                String fieldName = event.asStartElement().getName().getLocalPart();
                Attribute attr = event.asStartElement().getAttributeByName(XSI_TYPE);
                if (attr != null && attr.getValue().equals(S_OBJECT)) {
                    // Element is a nested record
                    map.put(fieldName, pullMap(reader));
                } else {
                    event = reader.nextEvent();
                    if (event.isCharacters()) {
                        // Element is a field value
                        String fieldValue = event.asCharacters().getData();
                        if (type == null) {
                            throw new StageException(Errors.FORCE_38);
                        }
                        com.sforce.soap.partner.Field sfdcField = getFieldMetadata(type, fieldName);

                        Field field = createField(fieldValue, sfdcField);
                        if (conf.createSalesforceNsHeaders) {
                            setHeadersOnField(field, getFieldMetadata(type, fieldName));
                        }

                        map.put(fieldName, field);

                        // Consume closing tag
                        reader.nextEvent();
                    } else if (event.isStartElement()) {
                        // Element is a nested list of records
                        // Advance over <done>, <queryLocator> to record list
                        while (!(event.isStartElement()
                                && event.asStartElement().getName().getLocalPart().equals(RECORDS))) {
                            event = reader.nextEvent();
                        }

                        // Read record list
                        List<Field> recordList = new ArrayList<>();
                        while (event.isStartElement()
                                && event.asStartElement().getName().getLocalPart().equals(RECORDS)) {
                            recordList.add(pullMap(reader));
                            event = reader.nextEvent();
                        }
                        map.put(fieldName, Field.create(recordList));
                    }
                }
            }
        } else if (event.isEndElement()) {
            // Done with record
            return Field.createListMap(map);
        }
    }

    throw new StageException(Errors.FORCE_39);
}

---

From source file:com.streamsets.pipeline.lib.xml.StreamingXmlParser.java

XMLEvent read(XMLEventReader reader) throws XMLStreamException {
    skipIgnorable(reader);
    return reader.nextEvent();
}

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From source file:com.predic8.membrane.core.interceptor.rest.REST2SOAPInterceptor.java

private String getRootElementNamespace(InputStream stream) {
    try {/*from ww  w .  jav  a2s. co  m*/
        XMLEventReader xer = XMLInputFactory.newFactory().createXMLEventReader(stream);
        while (xer.hasNext()) {
            XMLEvent event = xer.nextEvent();
            if (event.isStartElement())
                return event.asStartElement().getName().getNamespaceURI();
        }
    } catch (XMLStreamException e) {
        log.error("Could not determine root element namespace for check whether namespace is SOAP 1.2.", e);
    }
    return null;
}

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From source file:com.predic8.membrane.core.interceptor.schemavalidation.SchematronValidator.java

@Override
public Outcome validateMessage(Exchange exc, Message msg, String source) throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    try {/*from   w w w  .jav a2s .c o m*/
        Transformer transformer = transformers.take();
        try {
            transformer.transform(new StreamSource(xopr.reconstituteIfNecessary(msg)), new StreamResult(baos));
        } finally {
            transformers.put(transformer);
        }

        byte[] result = baos.toByteArray();

        // check for errors
        XMLEventReader parser;
        synchronized (xmlInputFactory) {
            parser = xmlInputFactory.createXMLEventReader(new ByteArrayInputStream(result));
        }
        while (parser.hasNext()) {
            XMLEvent event = parser.nextEvent();
            if (event.isStartElement()) {
                StartElement startElement = (StartElement) event;
                if (startElement.getName().getLocalPart().equals("failed-assert")) {
                    setErrorMessage(exc, new String(result, UTF_8_CHARSET), false, source);
                    invalid.incrementAndGet();
                    return Outcome.ABORT;
                }
            }
        }

    } catch (TransformerException e) {
        setErrorMessage(exc, e.getMessage(), true, source);
        invalid.incrementAndGet();
        return Outcome.ABORT;
    } catch (Exception e) {
        log.error("", e);
        setErrorMessage(exc, "internal error", true, source);
        invalid.incrementAndGet();
        return Outcome.ABORT;
    }
    valid.incrementAndGet();
    return Outcome.CONTINUE;
}

---

From source file:org.eclipse.swordfish.core.configuration.xml.XmlToPropertiesTransformerImpl.java

public void loadConfiguration(URL path) {
    Assert.notNull(path);// w w w.  ja va2 s . c o  m
    InputStream inputStream = null;
    try {
        inputStream = path.openStream();
        XMLInputFactory inputFactory = XMLInputFactory.newInstance();
        LinkedList<String> currentElements = new LinkedList<String>();
        XMLEventReader eventReader = inputFactory.createXMLEventReader(inputStream);
        Map<String, List<String>> props = new HashMap<String, List<String>>();
        // Read the XML document
        while (eventReader.hasNext()) {
            XMLEvent event = eventReader.nextEvent();
            if (event.isCharacters() && !event.asCharacters().isWhiteSpace()) {
                putElement(props, getQualifiedName(currentElements), event.asCharacters().getData());

            } else if (event.isStartElement()) {
                currentElements.add(event.asStartElement().getName().getLocalPart());
                for (Iterator attrIt = event.asStartElement().getAttributes(); attrIt.hasNext();) {
                    Attribute attribute = (Attribute) attrIt.next();
                    putElement(props, getQualifiedName(currentElements) + "[@" + attribute.getName() + "]",
                            attribute.getValue());

                }
            } else if (event.isAttribute()) {
            } else if (event.isEndElement()) {
                String lastElem = event.asEndElement().getName().getLocalPart();
                if (!currentElements.getLast().equals(lastElem)) {
                    throw new UnsupportedOperationException(lastElem + "," + currentElements.getLast());
                }
                currentElements.removeLast();
            }
        }
        properties = flattenProperties(props);
    } catch (Exception ex) {
        throw new SwordfishException(ex);
    } finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException ex) {
            }
        }
    }
}

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From source file:com.streamsets.pipeline.lib.xml.StreamingXmlParser.java

void skipIgnorable(XMLEventReader reader) throws XMLStreamException {
    while (reader.hasNext() && isIgnorable(reader.peek())) {
        reader.nextEvent();
    }//  www . ja  v a 2 s . c  om
}

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