Example usage for javax.xml.stream XMLStreamReader isStartElement

Introduction

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

Prototype

public boolean isStartElement();

Source Link

Document

Returns true if the cursor points to a start tag (otherwise false)

Usage

From source file:org.xwiki.contrib.confluence.filter.internal.ConfluenceXMLPackage.java

private void createTree() throws XMLStreamException, FactoryConfigurationError, IOException,
        ConfigurationException, FilterException {
    if (this.temporaryDirectory) {
        this.tree = new File(this.directory, "tree");
    } else {/*from w  w  w .  j av  a  2  s .co m*/
        this.tree = File.createTempFile("confluencexml-tree", "");
        this.tree.delete();
    }
    this.tree.mkdir();

    try (InputStream stream = new FileInputStream(getEntities())) {
        XMLStreamReader xmlReader = XML_INPUT_FACTORY.createXMLStreamReader(stream);

        xmlReader.nextTag();

        for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
            String elementName = xmlReader.getLocalName();

            if (elementName.equals("object")) {
                readObject(xmlReader);
            } else {
                StAXUtils.skipElement(xmlReader);
            }
        }
    }
}

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From source file:org.xwiki.contrib.confluence.filter.internal.ConfluenceXMLPackage.java

private long readObjectProperties(XMLStreamReader xmlReader, PropertiesConfiguration properties)
        throws XMLStreamException, FilterException {
    long id = -1;

    for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
        String elementName = xmlReader.getLocalName();

        if (elementName.equals("id")) {
            String idName = xmlReader.getAttributeValue(null, "name");

            if (idName != null && idName.equals("id")) {
                id = Long.valueOf(xmlReader.getElementText());

                properties.setProperty("id", id);
            } else {
                StAXUtils.skipElement(xmlReader);
            }//  w ww. j a va2 s  . c  om
        } else if (elementName.equals("property") || elementName.equals("collection")) {
            String propertyName = xmlReader.getAttributeValue(null, "name");

            properties.setProperty(propertyName, readProperty(xmlReader));
        } else {
            StAXUtils.skipElement(xmlReader);
        }
    }

    return id;
}

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From source file:org.xwiki.contrib.confluence.filter.internal.ConfluenceXMLPackage.java

private List<Object> readListProperty(XMLStreamReader xmlReader) throws XMLStreamException, FilterException {
    List<Object> list = new ArrayList<>();

    for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
        list.add(readProperty(xmlReader));
    }/*ww w.  j av  a  2s  .co  m*/

    return list;
}

---

From source file:org.xwiki.contrib.confluence.filter.internal.ConfluenceXMLPackage.java

private Set<Object> readSetProperty(XMLStreamReader xmlReader) throws XMLStreamException, FilterException {
    Set<Object> set = new LinkedHashSet<>();

    for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
        set.add(readProperty(xmlReader));
    }/*from www .j  av  a2s  . c  om*/

    return set;
}

---

From source file:org.xwiki.filter.confluence.xml.internal.ConfluenceXMLPackage.java

private void createTree() throws XMLStreamException, FactoryConfigurationError, NumberFormatException,
        IOException, ConfigurationException, FilterException {
    this.tree = new File(this.directory, "tree");
    this.tree.mkdir();

    InputStream stream = new FileInputStream(getEntities());

    XMLStreamReader xmlReader = XMLInputFactory.newInstance().createXMLStreamReader(stream);

    xmlReader.nextTag();//from www  . j  ava  2  s. co m

    for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
        String elementName = xmlReader.getLocalName();

        if (elementName.equals("object")) {
            readObject(xmlReader);
        } else {
            StAXUtils.skipElement(xmlReader);
        }
    }
}

---

From source file:org.xwiki.filter.confluence.xml.internal.ConfluenceXMLPackage.java

private int readObjectProperties(XMLStreamReader xmlReader, PropertiesConfiguration properties)
        throws XMLStreamException, FilterException, ConfigurationException, IOException {
    int id = -1;// w  ww  . j a v a  2s .c  om

    for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
        String elementName = xmlReader.getLocalName();

        if (elementName.equals("id")) {
            id = Integer.valueOf(xmlReader.getElementText());

            properties.setProperty("id", id);
        } else if (elementName.equals("property")) {
            String propertyName = xmlReader.getAttributeValue(null, "name");

            properties.setProperty(propertyName, readProperty(xmlReader));
        } else if (elementName.equals("collection")) {
            String propertyName = xmlReader.getAttributeValue(null, "name");

            properties.setProperty(propertyName, readProperty(xmlReader));
        } else {
            StAXUtils.skipElement(xmlReader);
        }
    }

    return id;
}

---

From source file:org.xwiki.filter.confluence.xml.internal.ConfluenceXMLPackage.java

private List<Object> readListProperty(XMLStreamReader xmlReader) throws XMLStreamException, FilterException {
    List<Object> list = new ArrayList<Object>();

    for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
        list.add(readProperty(xmlReader));
    }/*from ww w. j a va  2 s .c  om*/

    return list;
}

---

From source file:org.xwiki.filter.confluence.xml.internal.ConfluenceXMLPackage.java

private Set<Object> readSetProperty(XMLStreamReader xmlReader) throws XMLStreamException, FilterException {
    Set<Object> set = new LinkedHashSet<Object>();

    for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
        set.add(readProperty(xmlReader));
    }//from ww w . j  a  v  a  2s .  com

    return set;
}

---

From source file:org.xwiki.filter.xar.internal.input.AttachmentReader.java

@Override
public WikiAttachment read(XMLStreamReader xmlReader, XARInputProperties properties)
        throws XMLStreamException, FilterException {
    WikiAttachment wikiAttachment = new WikiAttachment();

    for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
        String elementName = xmlReader.getLocalName();

        EventParameter parameter = XARAttachmentModel.ATTACHMENT_PARAMETERS.get(elementName);

        if (parameter != null) {
            Object wsValue = convert(parameter.type, xmlReader.getElementText());
            if (wsValue != null) {
                wikiAttachment.parameters.put(parameter.name, wsValue);
            }//www.j  a v  a 2  s.  c o m
        } else {
            if (XARAttachmentModel.ELEMENT_NAME.equals(elementName)) {
                wikiAttachment.name = xmlReader.getElementText();
            } else if (XARAttachmentModel.ELEMENT_CONTENT_SIZE.equals(elementName)) {
                wikiAttachment.size = Long.valueOf(xmlReader.getElementText());
            } else if (XARAttachmentModel.ELEMENT_CONTENT.equals(elementName)) {
                // We copy the attachment content to use it later. We can't directly send it as a stream because XAR
                // specification does not force any order for the attachment properties and we need to be sure we
                // have everything when sending the event.

                // Allocate a temporary file in case the attachment content is big
                File temporaryFile;
                try {
                    temporaryFile = File.createTempFile("xar/attachments/attachment", ".bin");
                    temporaryFile.deleteOnExit();
                } catch (IOException e) {
                    throw new FilterException(e);
                }

                // Create a deferred file based content (if the content is bigger than 10000 bytes it will end up in
                // a file)
                wikiAttachment.content = new DeferredFileOutputStream(100000, temporaryFile);

                // Copy the content to byte array or file depending on its size
                for (xmlReader.next(); xmlReader.isCharacters(); xmlReader.next()) {
                    try {
                        wikiAttachment.content.write(xmlReader.getText().getBytes(StandardCharsets.UTF_8));
                    } catch (IOException e) {
                        throw new FilterException(e);
                    }
                }
            }
        }
    }

    return wikiAttachment;
}

---

From source file:org.xwiki.filter.xar.internal.input.DocumentLocaleReader.java

private void readDocument(XMLStreamReader xmlReader, Object filter, XARInputFilter proxyFilter)
        throws XMLStreamException, FilterException {
    this.currentSourceType = SourceType.DOCUMENT;

    // Initialize with a few defaults (thing that don't exist in old XAR format)
    this.currentDocumentRevisionParameters.put(XWikiWikiDocumentFilter.PARAMETER_SYNTAX, Syntax.XWIKI_1_0);
    this.currentDocumentRevisionParameters.put(XWikiWikiDocumentFilter.PARAMETER_HIDDEN, false);

    // Reference//from  w  w  w. j  a v a 2  s  .c  o  m
    String referenceString = xmlReader.getAttributeValue(null, XARDocumentModel.ATTRIBUTE_DOCUMENT_REFERENCE);
    if (StringUtils.isNotEmpty(referenceString)) {
        this.currentDocumentReference = this.relativeResolver.resolve(referenceString, EntityType.DOCUMENT);
        this.currentSpaceReference = this.currentDocumentReference.getParent();

        // Send needed wiki spaces event if possible
        switchWikiSpace(proxyFilter, false);
    }

    // Locale
    String localeString = xmlReader.getAttributeValue(null, XARDocumentModel.ATTRIBUTE_DOCUMENT_LOCALE);
    if (localeString != null) {
        this.currentDocumentLocale = toLocale(localeString);
        this.localeFromLegacy = false;
    }

    for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
        String elementName = xmlReader.getLocalName();

        if (elementName.equals(XARAttachmentModel.ELEMENT_ATTACHMENT)) {
            readAttachment(xmlReader, filter, proxyFilter);
        } else if (elementName.equals(XARObjectModel.ELEMENT_OBJECT)) {
            readObject(xmlReader, filter, proxyFilter);
        } else if (elementName.equals(XARClassModel.ELEMENT_CLASS)) {
            readClass(xmlReader, filter, proxyFilter);
        } else {
            String value = xmlReader.getElementText();

            if (XarDocumentModel.ELEMENT_SPACE.equals(elementName)) {
                this.currentLegacySpace = value;

                if (this.currentDocumentReference == null) {
                    // Its an old thing
                    if (this.currentLegacyDocument == null) {
                        this.currentSpaceReference = new EntityReference(value, EntityType.SPACE);
                    } else {
                        this.currentDocumentReference = new LocalDocumentReference(this.currentLegacySpace,
                                this.currentLegacyDocument);
                        this.currentSpaceReference = this.currentDocumentReference.getParent();
                    }

                    // Send needed wiki spaces event if possible
                    switchWikiSpace(proxyFilter, false);
                }
            } else if (XarDocumentModel.ELEMENT_NAME.equals(elementName)) {
                this.currentLegacyDocument = value;

                if (this.currentDocumentReference == null) {
                    // Its an old thing
                    if (this.currentLegacySpace != null) {
                        this.currentDocumentReference = new LocalDocumentReference(this.currentLegacySpace,
                                this.currentLegacyDocument);
                        this.currentSpaceReference = this.currentDocumentReference.getParent();
                    }
                }
            } else if (XarDocumentModel.ELEMENT_LOCALE.equals(elementName)) {
                if (this.localeFromLegacy) {
                    this.currentDocumentLocale = toLocale(value);
                }
            } else if (XarDocumentModel.ELEMENT_REVISION.equals(elementName)) {
                this.currentDocumentRevision = value;
            } else {
                EventParameter parameter = XARDocumentModel.DOCUMENT_PARAMETERS.get(elementName);

                if (parameter != null) {
                    Object wsValue = convert(parameter.type, value);
                    if (wsValue != null) {
                        this.currentDocumentParameters.put(parameter.name, wsValue);
                    }
                } else {
                    parameter = XARDocumentModel.DOCUMENTLOCALE_PARAMETERS.get(elementName);

                    if (parameter != null) {
                        Object wsValue = convert(parameter.type, value);
                        if (wsValue != null) {
                            this.currentDocumentLocaleParameters.put(parameter.name, wsValue);
                        }
                    } else {
                        parameter = XARDocumentModel.DOCUMENTREVISION_PARAMETERS.get(elementName);

                        if (parameter != null) {
                            Object objectValue;
                            if (parameter.type == EntityReference.class) {
                                objectValue = this.relativeResolver.resolve(value, EntityType.DOCUMENT);
                            } else {
                                objectValue = convert(parameter.type, value);
                            }

                            if (objectValue != null) {
                                this.currentDocumentRevisionParameters.put(parameter.name, objectValue);
                            }
                        } else {
                            // Unknown property
                            // TODO: log something ?
                        }
                    }
                }
            }
        }
    }

    sendBeginWikiDocumentRevision(proxyFilter, true);
    sendWikiAttachments(proxyFilter);
    sendWikiClass(proxyFilter);
    sendWikiObjects(proxyFilter);
    sendEndWikiDocument(proxyFilter);
}

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