Example usage for javax.xml.stream XMLEventFactory createStartElement

List of usage examples for javax.xml.stream XMLEventFactory createStartElement

Introduction

In this page you can find the example usage for javax.xml.stream XMLEventFactory createStartElement.

Prototype

public abstract StartElement createStartElement(String prefix, String namespaceUri, String localName);

Source Link

Document

Create a new StartElement.

Usage

From source file:org.apache.olingo.fit.utils.AbstractXMLUtilities.java

/**
 * {@inheritDoc }//  ww w .j av a2  s . c  om
 */
@Override
protected InputStream addLinks(final String entitySetName, final String entitykey, final InputStream is,
        final Set<String> links) throws Exception {

    // -----------------------------------------
    // 0. Build reader and writer
    // -----------------------------------------
    final XMLEventReader reader = getEventReader(is);
    final XMLEventFactory eventFactory = XMLEventFactory.newInstance();

    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    final XMLEventWriter writer = getEventWriter(bos);
    // -----------------------------------------
    final Map.Entry<Integer, XmlElement> entry = extractElement(reader, writer,
            Collections.singletonList("entry"), 0, 1, 1);

    writer.add(entry.getValue().getStart());

    // add for links
    for (String link : links) {
        final Set<Attribute> attributes = new HashSet<Attribute>();
        attributes.add(eventFactory.createAttribute(new QName("title"), link));
        attributes.add(eventFactory.createAttribute(new QName("href"),
                Commons.getLinksURI(version, entitySetName, entitykey, link)));
        attributes.add(eventFactory.createAttribute(new QName("rel"), Constants.ATOM_LINK_REL + link));
        attributes.add(eventFactory.createAttribute(new QName("type"),
                Commons.linkInfo.get(version).isFeed(entitySetName, link) ? Constants.ATOM_LINK_FEED
                        : Constants.ATOM_LINK_ENTRY));

        writer.add(eventFactory.createStartElement(new QName(LINK), attributes.iterator(), null));
        writer.add(eventFactory.createEndElement(new QName(LINK), null));
    }

    writer.add(entry.getValue().getContentReader());
    writer.add(entry.getValue().getEnd());
    writer.add(reader);
    IOUtils.closeQuietly(is);

    writer.flush();
    writer.close();
    reader.close();

    return new ByteArrayInputStream(bos.toByteArray());
}

From source file:org.apache.olingo.fit.utils.AbstractXMLUtilities.java

@Override
protected InputStream replaceLink(final InputStream toBeChanged, final String linkName,
        final InputStream replacement) throws Exception {
    final XMLEventReader reader = getEventReader(toBeChanged);

    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    final XMLEventWriter writer = getEventWriter(bos);

    final XMLEventFactory eventFactory = XMLEventFactory.newInstance();
    XMLEvent newLine = eventFactory.createSpace("\n");

    try {/*from ww w.  j a v  a  2s .co m*/
        final XmlElement linkElement = extractElement(reader, writer, Collections.<String>singletonList(LINK),
                Collections.<Map.Entry<String, String>>singletonList(
                        new SimpleEntry<String, String>("title", linkName)),
                false, 0, -1, -1).getValue();
        writer.add(linkElement.getStart());

        // ------------------------------------------
        // write inline ...
        // ------------------------------------------
        writer.add(newLine);
        writer.add(eventFactory.createStartElement("m", null, "inline"));

        addAtomElement(replacement, writer);

        writer.add(eventFactory.createEndElement("m", null, "inline"));
        writer.add(newLine);
        // ------------------------------------------

        writer.add(linkElement.getEnd());

        writer.add(reader);
        writer.flush();
        writer.close();
    } finally {
        reader.close();
        IOUtils.closeQuietly(toBeChanged);
    }

    return new ByteArrayInputStream(bos.toByteArray());
}

From source file:org.apache.olingo.fit.utils.XMLUtilities.java

/**
 * {@inheritDoc }//  www  . jav  a 2s  .  c  o  m
 */
@Override
protected InputStream addLinks(final String entitySetName, final String entitykey, final InputStream is,
        final Set<String> links) throws Exception {

    // -----------------------------------------
    // 0. Build reader and writer
    // -----------------------------------------
    final XMLEventReader reader = getEventReader(is);
    final XMLEventFactory eventFactory = XMLEventFactory.newInstance();

    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    final XMLEventWriter writer = getEventWriter(bos);
    // -----------------------------------------
    final Map.Entry<Integer, XMLElement> entry = extractElement(reader, writer,
            Collections.singletonList("entry"), 0, 1, 1);

    writer.add(entry.getValue().getStart());

    final Map<String, NavigationProperty> navigationProperties = metadata
            .getNavigationProperties(entitySetName);

    // add for links
    for (String link : links) {
        final Set<Attribute> attributes = new HashSet<Attribute>();
        attributes.add(eventFactory.createAttribute(new QName("title"), link));
        attributes.add(eventFactory.createAttribute(new QName("href"),
                Commons.getLinksURI(entitySetName, entitykey, link)));
        attributes.add(eventFactory.createAttribute(new QName("rel"),
                Constants.get(ConstantKey.ATOM_LINK_REL) + link));
        attributes.add(eventFactory.createAttribute(new QName("type"),
                navigationProperties.get(link).isEntitySet() ? Constants.get(ConstantKey.ATOM_LINK_FEED)
                        : Constants.get(ConstantKey.ATOM_LINK_ENTRY)));

        writer.add(eventFactory.createStartElement(new QName(Constants.get(ConstantKey.LINK)),
                attributes.iterator(), null));
        writer.add(eventFactory.createEndElement(new QName(Constants.get(ConstantKey.LINK)), null));
    }

    writer.add(entry.getValue().getContentReader());
    writer.add(entry.getValue().getEnd());
    writer.add(reader);
    IOUtils.closeQuietly(is);

    writer.flush();
    writer.close();
    reader.close();

    return new ByteArrayInputStream(bos.toByteArray());
}

From source file:org.apache.olingo.fit.utils.XMLUtilities.java

@Override
protected InputStream replaceLink(final InputStream toBeChanged, final String linkName,
        final InputStream replacement) throws Exception {
    final XMLEventReader reader = getEventReader(toBeChanged);

    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    final XMLEventWriter writer = getEventWriter(bos);

    final XMLEventFactory eventFactory = XMLEventFactory.newInstance();
    XMLEvent newLine = eventFactory.createSpace("\n");

    try {/*  w  w  w . ja  va  2 s.c om*/
        final XMLElement linkElement = extractElement(reader, writer,
                Collections.<String>singletonList(Constants.get(ConstantKey.LINK)),
                Collections.<Map.Entry<String, String>>singletonList(
                        new SimpleEntry<String, String>("title", linkName)),
                false, 0, -1, -1).getValue();
        writer.add(linkElement.getStart());

        // ------------------------------------------
        // write inline ...
        // ------------------------------------------
        writer.add(newLine);
        writer.add(eventFactory.createStartElement("m", null, "inline"));

        addAtomElement(replacement, writer);

        writer.add(eventFactory.createEndElement("m", null, "inline"));
        writer.add(newLine);
        // ------------------------------------------

        writer.add(linkElement.getEnd());

        writer.add(reader);
        writer.flush();
        writer.close();
    } finally {
        reader.close();
        IOUtils.closeQuietly(toBeChanged);
    }

    return new ByteArrayInputStream(bos.toByteArray());
}

From source file:org.callimachusproject.behaviours.ZipArchiveSupport.java

public XMLEventReader createAtomFeedFromArchive(final String id, final String entryPattern) throws IOException {
    final FileObject file = this;
    final XMLEventFactory ef = XMLEventFactory.newInstance();
    final byte[] buf = new byte[1024];
    final ZipArchiveInputStream zip = new ZipArchiveInputStream(file.openInputStream());
    return new XMLEventReaderBase() {
        private boolean started;
        private boolean ended;

        public void close() throws XMLStreamException {
            try {
                zip.close();/*from   w w  w.j a va 2  s  .  c  o  m*/
            } catch (IOException e) {
                throw new XMLStreamException(e);
            }
        }

        protected boolean more() throws XMLStreamException {
            try {
                ZipArchiveEntry entry;
                if (!started) {
                    Namespace atom = ef.createNamespace(FEED.getPrefix(), FEED.getNamespaceURI());
                    add(ef.createStartDocument());
                    add(ef.createStartElement(FEED, null, Arrays.asList(atom).iterator()));
                    add(ef.createStartElement(TITLE, null, null));
                    add(ef.createCharacters(file.getName()));
                    add(ef.createEndElement(TITLE, null));
                    add(ef.createStartElement(ID, null, null));
                    add(ef.createCharacters(id));
                    add(ef.createEndElement(ID, null));
                    Attribute href = ef.createAttribute("href", file.toUri().toASCIIString());
                    List<Attribute> attrs = Arrays.asList(href, ef.createAttribute("type", "application/zip"));
                    add(ef.createStartElement(LINK, attrs.iterator(), null));
                    add(ef.createEndElement(LINK, null));
                    add(ef.createStartElement(UPDATED, null, null));
                    add(ef.createCharacters(format(new Date(file.getLastModified()))));
                    add(ef.createEndElement(UPDATED, null));
                    started = true;
                    return true;
                } else if (started && !ended && (entry = zip.getNextZipEntry()) != null) {
                    String name = entry.getName();
                    String link = entryPattern.replace("{entry}", PercentCodec.encode(name));
                    MimetypesFileTypeMap mimetypes = new javax.activation.MimetypesFileTypeMap();
                    String type = mimetypes.getContentType(name);
                    if (type == null || type.length() == 0) {
                        type = "application/octet-stream";
                    }
                    add(ef.createStartElement(ENTRY, null, null));
                    add(ef.createStartElement(TITLE, null, null));
                    add(ef.createCharacters(name));
                    add(ef.createEndElement(TITLE, null));
                    Attribute href = ef.createAttribute("href", link);
                    List<Attribute> attrs = Arrays.asList(href, ef.createAttribute("type", type));
                    add(ef.createStartElement(LINK, attrs.iterator(), null));
                    add(ef.createEndElement(LINK, null));
                    long size = entry.getSize();
                    if (size > 0) {
                        zip.skip(size);
                    } else {
                        while (zip.read(buf, 0, buf.length) >= 0)
                            ;
                    }
                    add(ef.createEndElement(ENTRY, null));
                    return true;
                } else if (!ended) {
                    add(ef.createEndElement(FEED, null));
                    add(ef.createEndDocument());
                    ended = true;
                    return true;
                } else {
                    return false;
                }
            } catch (IOException e) {
                throw new XMLStreamException(e);
            }
        }
    };
}

From source file:org.dkpro.core.io.xces.XcesBasicXmlWriter.java

@Override
public void process(JCas aJCas) throws AnalysisEngineProcessException {
    OutputStream docOS = null;/*  www.  j av a2 s. c om*/
    try {
        docOS = getOutputStream(aJCas, filenameSuffix);
        XMLOutputFactory xmlOutputFactory = XMLOutputFactory.newInstance();
        XMLEventWriter xmlEventWriter = new IndentingXMLEventWriter(
                xmlOutputFactory.createXMLEventWriter(docOS));
        JAXBContext context = JAXBContext.newInstance(XcesBodyBasic.class);
        Marshaller marshaller = context.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FRAGMENT, Boolean.TRUE);
        XMLEventFactory xmlef = XMLEventFactory.newInstance();
        xmlEventWriter.add(xmlef.createStartDocument());
        // Begin cesDoc
        xmlEventWriter.add(xmlef.createStartElement("", "", "cesDoc"));
        // Begin and End cesHeader
        xmlEventWriter.add(xmlef.createStartElement("", "", "cesHeader"));
        xmlEventWriter.add(xmlef.createEndElement("", "", "cesHeader"));

        // Begin text and body
        xmlEventWriter.add(xmlef.createStartElement("", "", "text"));
        // xmlEventWriter.add(xmlef.createStartElement("", "", "body"));

        // Begin body of all the paragraphs            
        Collection<Paragraph> parasInCas = JCasUtil.select(aJCas, Paragraph.class);
        XcesBodyBasic xb = convertToXcesBasicPara(parasInCas);
        marshaller.marshal(new JAXBElement<XcesBodyBasic>(new QName("body"), XcesBodyBasic.class, xb),
                xmlEventWriter);
        // End body of all the paragraphs
        // xmlEventWriter.add(xmlef.createEndElement("", "", "body"));
        xmlEventWriter.add(xmlef.createEndElement("", "", "text"));
        xmlEventWriter.add(xmlef.createEndElement("", "", "cesDoc"));
        xmlEventWriter.add(xmlef.createEndDocument());
    } catch (Exception e) {
        throw new AnalysisEngineProcessException(e);
    } finally {
        closeQuietly(docOS);
    }

}

From source file:org.dkpro.core.io.xces.XcesXmlWriter.java

@Override
public void process(JCas aJCas) throws AnalysisEngineProcessException {
    OutputStream docOS = null;/*from   w  w w .j a v a  2  s .c  o m*/
    try {
        docOS = getOutputStream(aJCas, filenameSuffix);
        XMLOutputFactory xmlOutputFactory = XMLOutputFactory.newInstance();
        XMLEventWriter xmlEventWriter = new IndentingXMLEventWriter(
                xmlOutputFactory.createXMLEventWriter(docOS));
        JAXBContext context = JAXBContext.newInstance(XcesBody.class);
        Marshaller marshaller = context.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FRAGMENT, Boolean.TRUE);
        XMLEventFactory xmlef = XMLEventFactory.newInstance();
        xmlEventWriter.add(xmlef.createStartDocument());
        // Begin cesDoc
        xmlEventWriter.add(xmlef.createStartElement("", "", "cesDoc"));
        // Begin and End cesHeader
        xmlEventWriter.add(xmlef.createStartElement("", "", "cesHeader"));
        xmlEventWriter.add(xmlef.createEndElement("", "", "cesHeader"));

        // Begin text and body
        xmlEventWriter.add(xmlef.createStartElement("", "", "text"));
        // xmlEventWriter.add(xmlef.createStartElement("", "", "body"));

        // Begin body of all the paragraphs            
        Collection<Paragraph> parasInCas = JCasUtil.select(aJCas, Paragraph.class);
        XcesBody xb = convertToXcesPara(parasInCas);
        marshaller.marshal(new JAXBElement<XcesBody>(new QName("body"), XcesBody.class, xb), xmlEventWriter);
        // End body of all the paragraphs
        // xmlEventWriter.add(xmlef.createEndElement("", "", "body"));
        xmlEventWriter.add(xmlef.createEndElement("", "", "text"));
        xmlEventWriter.add(xmlef.createEndElement("", "", "cesDoc"));
        xmlEventWriter.add(xmlef.createEndDocument());
    } catch (Exception e) {
        throw new AnalysisEngineProcessException(e);
    } finally {
        closeQuietly(docOS);
    }

}

From source file:org.emonocot.job.io.StaxEventItemWriter.java

/**
 * Writes simple XML header containing:/*from   w  w w  . ja  v  a 2  s.  c o m*/
 * <ul>
 * <li>xml declaration - defines encoding and XML version</li>
 * <li>opening tag of the root element and its attributes</li>
 * </ul>
 * If this is not sufficient for you, simply override this method. Encoding,
 * version and root tag name can be retrieved with corresponding getters.
 *
 * @param writer
 *            XML event writer
 * @throws XMLStreamException if there is a problem starting the document
 */
protected final void startDocument(final XMLEventWriter writer) throws XMLStreamException {

    XMLEventFactory factory = XMLEventFactory.newInstance();

    // write start document
    writer.add(factory.createStartDocument(getEncoding(), getVersion()));

    // write root tag
    writer.add(
            factory.createStartElement(getRootTagNamespacePrefix(), getRootTagNamespace(), getRootTagName()));
    if (StringUtils.hasText(getRootTagNamespace())) {
        if (StringUtils.hasText(getRootTagNamespacePrefix())) {
            writer.add(factory.createNamespace(getRootTagNamespacePrefix(), getRootTagNamespace()));
        } else {
            writer.add(factory.createNamespace(getRootTagNamespace()));
        }
    }

    // write root tag attributes
    if (!CollectionUtils.isEmpty(getRootElementAttributes())) {

        for (Map.Entry<String, String> entry : getRootElementAttributes().entrySet()) {
            String key = entry.getKey();
            if (key.startsWith("xmlns")) {
                String prefix = "";
                if (key.contains(":")) {
                    prefix = key.substring(key.indexOf(":") + 1);
                }
                writer.add(factory.createNamespace(prefix, entry.getValue()));
            } else {
                writer.add(factory.createAttribute(key, entry.getValue()));
            }
        }

    }

    /*
     * This forces the flush to write the end of the root element and avoids
     * an off-by-one error on restart.
     */
    writer.add(factory.createIgnorableSpace(""));
    writer.flush();

}

From source file:org.omnaest.utils.xml.XMLNestedMapConverter.java

/**
 * @param nestedMap/*from  w  w  w . j  a  v  a 2 s  .co  m*/
 *          {@link Map}
 * @param outputStream
 *          {@link OutputStream}
 * @param includeDocumentHeader
 *          if true a xml document header is written out additionally
 */
private <K> void toXML(Map<K, Object> nestedMap, OutputStream outputStream,
        final ElementConverter<K, QName> keyElementConverter, boolean includeDocumentHeader) {
    //
    if (nestedMap != null && keyElementConverter != null && outputStream != null) {
        //
        try {
            //
            final XMLOutputFactory xmlOutputFactory = this.xmlInstanceContextFactory.newXmlOutputFactory();
            final XMLEventFactory xmlEventFactory = this.xmlInstanceContextFactory.newXmlEventFactory();
            Assert.isNotNull(xmlOutputFactory, "xmlOutputFactory must not be null");
            Assert.isNotNull(xmlEventFactory, "xmlEventFactory must not be null");

            //
            final XMLEventWriter xmlEventWriter = xmlOutputFactory.createXMLEventWriter(outputStream,
                    this.encoding);
            final ExceptionHandler exceptionHandler = this.exceptionHandler;

            //
            try {
                //
                class Helper {
                    /* ********************************************** Variables ********************************************** */
                    private List<String> namespaceStack = new ArrayList<String>();

                    /* ********************************************** Methods ********************************************** */

                    @SuppressWarnings("unchecked")
                    public void write(Map<K, Object> map) {
                        if (map != null) {
                            for (K key : map.keySet()) {
                                //
                                final QName tagName = keyElementConverter.convert(key);
                                final Object value = map.get(key);

                                //
                                if (value instanceof String) {
                                    //
                                    this.writeStartTag(tagName);

                                    //
                                    final String text = (String) value;
                                    this.writeText(text);

                                    //
                                    this.writeEndTag(tagName);
                                } else if (value instanceof Map) {
                                    //
                                    this.writeStartTag(tagName);

                                    //
                                    final Map<K, Object> subMap = (Map<K, Object>) value;
                                    this.write(subMap);

                                    //
                                    this.writeEndTag(tagName);
                                } else if (value instanceof List) {
                                    //
                                    final List<Object> valueList = (List<Object>) value;
                                    this.write(tagName, valueList);
                                }
                            }
                        }
                    }

                    /**
                     * @param tagName
                     */
                    private void writeStartTag(QName tagName) {
                        //
                        try {
                            //
                            final String namespaceURI = tagName.getNamespaceURI();

                            //            
                            final Iterator<?> attributes = null;
                            final Iterator<?> namespaces = StringUtils.isNotBlank(namespaceURI) && !StringUtils
                                    .equals(namespaceURI, ListUtils.lastElement(this.namespaceStack))
                                            ? IteratorUtils.valueOf(
                                                    xmlEventFactory.createNamespace(namespaceURI))
                                            : null;
                            StartElement startElement = xmlEventFactory.createStartElement(tagName, attributes,
                                    namespaces);
                            xmlEventWriter.add(startElement);

                            //
                            this.namespaceStack.add(namespaceURI);
                        } catch (Exception e) {
                            exceptionHandler.handleException(e);
                        }
                    }

                    /**
                     * @param tagName
                     */
                    private void writeEndTag(QName tagName) {
                        //
                        try {
                            //            
                            final Iterator<?> namespaces = null;
                            EndElement endElement = xmlEventFactory.createEndElement(tagName, namespaces);
                            xmlEventWriter.add(endElement);

                            //
                            ListUtils.removeLast(this.namespaceStack);
                        } catch (Exception e) {
                            exceptionHandler.handleException(e);
                        }
                    }

                    /**
                     * @param text
                     */
                    private void writeText(String text) {
                        //
                        try {
                            //            
                            final Characters characters = xmlEventFactory.createCharacters(text);
                            xmlEventWriter.add(characters);
                        } catch (Exception e) {
                            exceptionHandler.handleException(e);
                        }
                    }

                    /**
                     * @param tagName
                     * @param valueList
                     */
                    @SuppressWarnings("unchecked")
                    private void write(QName tagName, List<Object> valueList) {
                        if (valueList != null) {
                            for (Object value : valueList) {
                                //
                                if (value != null) {
                                    //
                                    this.writeStartTag(tagName);

                                    //
                                    if (value instanceof Map) {
                                        //
                                        final Map<K, Object> map = (Map<K, Object>) value;
                                        this.write(map);
                                    } else if (value instanceof String) {
                                        //
                                        final String text = (String) value;
                                        this.writeText(text);
                                    }

                                    //
                                    this.writeEndTag(tagName);
                                }
                            }
                        }
                    }
                }

                //
                if (includeDocumentHeader) {
                    xmlEventWriter.add(xmlEventFactory.createStartDocument());
                }

                //
                new Helper().write(nestedMap);

                //
                xmlEventWriter.add(xmlEventFactory.createEndDocument());
            } finally {
                xmlEventWriter.close();
                outputStream.flush();
            }
        } catch (Exception e) {
            if (this.exceptionHandler != null) {
                this.exceptionHandler.handleException(e);
            }
        }
    }
}

From source file:org.springframework.batch.item.xml.builder.StaxEventItemWriterBuilderTests.java

@Test
public void testConfiguration() throws Exception {
    Map<String, String> rootElementAttributes = new HashMap<>();
    rootElementAttributes.put("baz", "quix");

    StaxEventItemWriter<Foo> staxEventItemWriter = new StaxEventItemWriterBuilder<Foo>().name("fooWriter")
            .marshaller(marshaller).encoding("UTF-16").footerCallback(writer -> {
                XMLEventFactory factory = XMLEventFactory.newInstance();
                try {
                    writer.add(factory.createEndElement("ns", "http://www.springframework.org/test", "group"));
                } catch (XMLStreamException e) {
                    throw new RuntimeException(e);
                }//from w w w.j a v  a  2s. co m
            }).headerCallback(writer -> {
                XMLEventFactory factory = XMLEventFactory.newInstance();
                try {
                    writer.add(
                            factory.createStartElement("ns", "http://www.springframework.org/test", "group"));
                } catch (XMLStreamException e) {
                    throw new RuntimeException(e);
                }
            }).resource(this.resource).rootTagName("foobarred").rootElementAttributes(rootElementAttributes)
            .saveState(false).version("1.1").build();

    staxEventItemWriter.afterPropertiesSet();

    ExecutionContext executionContext = new ExecutionContext();
    staxEventItemWriter.open(executionContext);

    staxEventItemWriter.write(this.items);

    staxEventItemWriter.update(executionContext);
    staxEventItemWriter.close();

    assertEquals(FULL_OUTPUT, getOutputFileContent("UTF-16"));
    assertEquals(0, executionContext.size());
}