Example usage for javax.xml.stream XMLStreamReader nextTag

List of usage examples for javax.xml.stream XMLStreamReader nextTag

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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: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 va2  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);
}

From source file:org.xwiki.store.filesystem.internal.migration.R910100XWIKI14871DataMigration.java

private void migrateMetadatas(Session session) throws IOException, XMLStreamException,
        FactoryConfigurationError, ParserConfigurationException, SAXException {
    this.logger.info("Migrating filesystem attachment metadatas storded in [{}]",
            this.fstools.getStorageLocationFile());

    File pathByIdStore = this.fstools.getGlobalFile("DELETED_ATTACHMENT_ID_MAPPINGS.xml");
    if (pathByIdStore.exists()) {
        try (FileInputStream stream = new FileInputStream(pathByIdStore)) {
            XMLStreamReader xmlReader = XMLInputFactory.newInstance().createXMLStreamReader(stream);

            // <deletedattachmentids>
            xmlReader.nextTag();

            for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
                // <entry>
                xmlReader.nextTag();//w  w  w . j  av a  2  s  .  com

                String value1 = xmlReader.getElementText();
                xmlReader.nextTag();
                String value2 = xmlReader.getElementText();

                long id;
                String path;
                if (xmlReader.getLocalName().equals("path")) {
                    id = Long.valueOf(value1);
                    path = value2;
                } else {
                    id = Long.valueOf(value2);
                    path = value1;
                }

                // </entry>
                xmlReader.nextTag();

                File directory = new File(path);
                if (!directory.exists()) {
                    this.logger.warn("[{}] does not exist", directory);

                    continue;
                }

                if (!directory.isDirectory()) {
                    this.logger.warn("[{}] is not a directory", directory);

                    continue;
                }

                storeDeletedAttachment(directory, id, session);
            }
        }
    }
}

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

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

    InputStream stream = new FileInputStream(getEntities());

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

    xmlReader.nextTag();

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

        if (elementName.equals("object")) {
            readObject(xmlReader);/*from w  w w.  ja va2s.  c  om*/
        } else {
            StAXUtils.skipElement(xmlReader);
        }
    }
}

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

private int readObjectProperties(XMLStreamReader xmlReader, PropertiesConfiguration properties)
        throws XMLStreamException, WikiStreamException, ConfigurationException, IOException {
    int id = -1;/*from  w w w . ja  va2  s.  com*/

    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.wikistream.confluence.xml.internal.ConfluenceXMLPackage.java

private Integer readIdProperty(XMLStreamReader xmlReader) throws WikiStreamException, XMLStreamException {
    xmlReader.nextTag();

    if (!xmlReader.getLocalName().equals("id")) {
        throw new WikiStreamException(
                String.format("Was expecting id element but found [%s]", xmlReader.getLocalName()));
    }/*from w  ww .j  a va2  s  . c o m*/

    Integer value = Integer.valueOf(xmlReader.getElementText());

    xmlReader.nextTag();

    return value;
}

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

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

    for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
        list.add(readProperty(xmlReader));
    }/*www .ja va 2s .  c  om*/

    return list;
}

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

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

    for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
        set.add(readProperty(xmlReader));
    }//from ww w .ja va2 s  .  c om

    return set;
}

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

public WikiAttachment read(XMLStreamReader xmlReader) throws XMLStreamException, WikiStreamException {
    WikiAttachment wikiAttachment = new WikiAttachment();

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

        String value = xmlReader.getElementText();

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

        if (parameter != null) {
            Object wsValue = convert(parameter.type, value);
            if (wsValue != null) {
                wikiAttachment.parameters.put(parameter.name, wsValue);
            }// w ww . j  a v  a  2s  . c  o  m
        } else {
            if (XARAttachmentModel.ELEMENT_NAME.equals(elementName)) {
                wikiAttachment.name = value;
            } else if (XARAttachmentModel.ELEMENT_CONTENT.equals(elementName)) {
                wikiAttachment.content = Base64.decodeBase64(value.getBytes());
            }
        }
    }

    return wikiAttachment;
}

From source file:org.xwiki.xar.internal.XarUtils.java

/**
 * Extract {@link LocalDocumentReference} from a XAR document XML stream.
 * //w  w w . jav  a  2 s . c om
 * @param documentStream the stream to parse
 * @return the reference extracted from the stream
 * @throws XarException when failing to parse the document stream
 * @since 5.4M1
 */
public static LocalDocumentReference getReference(InputStream documentStream) throws XarException {
    XMLStreamReader xmlReader;
    try {
        xmlReader = XML_INPUT_FACTORY.createXMLStreamReader(documentStream);
    } catch (XMLStreamException e) {
        throw new XarException("Failed to create a XML read", e);
    }

    EntityReference reference = null;
    Locale locale = null;

    String legacySpace = null;
    String legacyPage = null;

    try {
        // <xwikidoc>

        xmlReader.nextTag();

        xmlReader.require(XMLStreamReader.START_ELEMENT, null, XarDocumentModel.ELEMENT_DOCUMENT);

        // Reference
        String referenceString = xmlReader.getAttributeValue(null,
                XarDocumentModel.ATTRIBUTE_DOCUMENT_REFERENCE);
        if (referenceString != null) {
            reference = RESOLVER.resolve(referenceString, EntityType.DOCUMENT);
        }

        // Locale
        String localeString = xmlReader.getAttributeValue(null, XarDocumentModel.ATTRIBUTE_DOCUMENT_LOCALE);
        if (localeString != null) {
            if (localeString.isEmpty()) {
                locale = Locale.ROOT;
            } else {
                locale = LocaleUtils.toLocale(localeString);
            }
        }

        // Legacy fallback
        if (reference == null || locale == null) {
            for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
                String elementName = xmlReader.getLocalName();

                if (XarDocumentModel.ELEMENT_NAME.equals(elementName)) {
                    if (reference == null) {
                        legacyPage = xmlReader.getElementText();

                        if (legacySpace != null && locale != null) {
                            break;
                        }
                    } else if (locale != null) {
                        break;
                    }
                } else if (XarDocumentModel.ELEMENT_SPACE.equals(elementName)) {
                    if (reference == null) {
                        legacySpace = xmlReader.getElementText();

                        if (legacyPage != null && locale != null) {
                            break;
                        }
                    } else if (locale != null) {
                        break;
                    }
                } else if (XarDocumentModel.ELEMENT_LOCALE.equals(elementName)) {
                    if (locale == null) {
                        String value = xmlReader.getElementText();
                        if (value.length() == 0) {
                            locale = Locale.ROOT;
                        } else {
                            locale = LocaleUtils.toLocale(value);
                        }
                    }

                    if (reference != null || (legacySpace != null && legacyPage != null)) {
                        break;
                    }
                } else {
                    StAXUtils.skipElement(xmlReader);
                }
            }
        }
    } catch (XMLStreamException e) {
        throw new XarException("Failed to parse document", e);
    } finally {
        try {
            xmlReader.close();
        } catch (XMLStreamException e) {
            throw new XarException("Failed to close XML reader", e);
        }
    }

    if (reference == null) {
        if (legacySpace == null) {
            throw new XarException("Missing space element");
        }
        if (legacyPage == null) {
            throw new XarException("Missing page element");
        }

        reference = new LocalDocumentReference(legacySpace, legacyPage);
    }

    if (locale == null) {
        throw new XarException("Missing locale element");
    }

    return new LocalDocumentReference(reference, locale);
}