Example usage for javax.xml.transform.stax StAXSource StAXSource

Introduction

In this page you can find the example usage for javax.xml.transform.stax StAXSource StAXSource.

Prototype

public StAXSource(final XMLStreamReader xmlStreamReader) 

Source Link

Document

Creates a new instance of a StAXSource by supplying an XMLStreamReader .

XMLStreamReader must be a non-null reference.

XMLStreamReader must be in XMLStreamConstants#START_DOCUMENT or XMLStreamConstants#START_ELEMENT state.

Usage

From source file:org.sakaiproject.tags.impl.job.TagsSyncJob.java

public synchronized void syncAllTags() {

    long start = System.currentTimeMillis();

    if (log.isInfoEnabled()) {
        log.info("Starting Tag Collection synchronization");
    }//from   w w  w . j a  v  a  2  s .  c om

    try {
        XMLInputFactory factory = XMLInputFactory.newInstance();
        XMLStreamReader xsr = factory.createXMLStreamReader(getTagCollectionssXmlInputStream());
        xsr.next();
        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer t = tf.newTransformer();

        while (xsr.nextTag() == XMLStreamConstants.START_ELEMENT) {
            DOMResult result = new DOMResult();
            t.transform(new StAXSource(xsr), result);

            Node nNode = result.getNode();
            Element element = ((Document) nNode).getDocumentElement();

            String name = getString("Name", element);
            log.debug("Found name: " + name);
            String description = getString("Description", element);
            log.debug("Found description : " + description);
            String externalSourceName = getString("ExternalSourceName", element);
            log.debug("externalSourceName: " + externalSourceName);
            String externalSourceDescription = getString("ExternalSourceDescription", element);
            log.debug("externalSourceDescription: " + externalSourceDescription);
            long lastUpdateDateInExternalSystem = xmlDateToMs(
                    element.getElementsByTagName("DateRevised").item(0), name);
            log.debug("lastUpdateDateInExternalSystem: " + lastUpdateDateInExternalSystem);

            updateOrCreateTagCollection(name, description, externalSourceName, externalSourceDescription,
                    lastUpdateDateInExternalSystem);
        }

        sendStatusMail(1, "");
    } catch (Exception e) {
        log.warn("Error Synchronizing the Tags from an xml file:", e);
        sendStatusMail(2, e.getMessage());
    }

    try {
        XMLInputFactory factory = XMLInputFactory.newInstance();
        XMLStreamReader xsr = factory.createXMLStreamReader(getTagsXmlInputStream());
        xsr.next();
        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer t = tf.newTransformer();

        while (xsr.nextTag() == XMLStreamConstants.START_ELEMENT) {
            DOMResult result = new DOMResult();
            t.transform(new StAXSource(xsr), result);

            Node nNode = result.getNode();
            Element element = ((Document) nNode).getDocumentElement();
            String action = element.getAttribute("Action");
            String tagLabel = getString("TagLabel", element);
            log.debug("Found tagLabel: " + tagLabel);
            String externalId = getString("ExternalId", element);
            log.debug("Found externalId: " + externalId);
            String description = getString("Description", element);
            log.debug("Found description : " + description);
            long externalCreationDate = xmlDateToMs(element.getElementsByTagName("DateCreated").item(0),
                    tagLabel);
            log.debug("externalCreationDate: " + externalCreationDate);
            long lastUpdateDateInExternalSystem = xmlDateToMs(
                    element.getElementsByTagName("DateRevised").item(0), tagLabel);
            log.debug("lastUpdateDateInExternalSystem: " + lastUpdateDateInExternalSystem);
            String externalHierarchyCode = getString("HierarchyCode", element);
            log.debug("externalHierarchyCode: " + externalHierarchyCode);
            String externalType = getString("Type", element);
            log.debug("externalType: " + externalType);
            String alternativeLabels = getString("AlternativeLabels", element);
            log.debug("alternativeLabels: " + alternativeLabels);
            String externalSourceName = getString("ExternalSourceName", element);
            log.debug("externalSourceName: " + externalSourceName);
            String data = getString("Data", element);
            log.debug("data: " + data);
            String parentId = getString("ParentId", element);
            log.debug("parentId: " + parentId);

            if (Objects.equals(action, "delete")) {
                deleteTagFromExternalCollection(externalId, externalSourceName);
            } else {
                updateOrCreateTagWithExternalSourceName(externalId, externalSourceName, tagLabel, description,
                        alternativeLabels, externalCreationDate, lastUpdateDateInExternalSystem, parentId,
                        externalHierarchyCode, externalType, data);
            }

            updateTagCollectionSynchronization(externalSourceName, 0L);
        }
        sendStatusMail(1, "");
    } catch (Exception e) {
        log.warn("Error Synchronizing the Tags from an xml file:", e);
        sendStatusMail(2, e.getMessage());
    }
    if (log.isInfoEnabled()) {
        log.info("Finished Tags synchronization in " + (System.currentTimeMillis() - start) + " ms");
    }

}

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From source file:org.slc.sli.ingestion.parser.impl.EdfiRecordParserImpl.java

private static void parseAndValidate(EdfiRecordParserImpl parser, Schema schema) throws XmlParseException {

    Validator validator = schema.newValidator();
    validator.setErrorHandler(parser);//w  w  w  . j  a  v  a 2s . co  m

    try {
        validator.validate(new StAXSource(parser));
    } catch (SAXException e) {
        throw new XmlParseException("Exception while processing the xml file", e);
    } catch (IOException e) {
        throw new XmlParseException("Exception while accessing the xml file", e);
    } catch (XMLStreamException e) {
        throw new XmlParseException("Exception while processing the xml file", e);
    }
}

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