Example usage for javax.xml.stream XMLInputFactory createXMLStreamReader

List of usage examples for javax.xml.stream XMLInputFactory createXMLStreamReader

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Introduction

In this page you can find the example usage for javax.xml.stream XMLInputFactory createXMLStreamReader.

Prototype

public abstract XMLStreamReader createXMLStreamReader(java.io.InputStream stream) throws XMLStreamException;

Source Link

Document

Create a new XMLStreamReader from a java.io.InputStream

Usage

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

public synchronized void syncAllTags() {

    long start = System.currentTimeMillis();

    if (log.isInfoEnabled()) {
        log.info("Starting MESH Tag Collection synchronization");
    }/*w  w  w  . j a  v  a2 s. c o m*/
    try {
        XMLInputFactory factory = XMLInputFactory.newInstance();
        XMLStreamReader xsr = factory.createXMLStreamReader(getTagsXmlInputStream());
        xsr.next();
        xsr.nextTag();
        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 tagLabel = "undefined";
            counterTotal++;

            try {
                Element descriptorName = (Element) element.getElementsByTagName("DescriptorName").item(0);
                tagLabel = getString("String", descriptorName);
                String externalId = getString("DescriptorUI", element);
                String description = getString("Annotation", element);
                long externalCreationDate = xmlDateToMs(element.getElementsByTagName("DateCreated").item(0),
                        externalId);
                long lastUpdateDateInExternalSystem = xmlDateToMs(
                        element.getElementsByTagName("DateRevised").item(0), externalId);
                String externalHierarchyCode = xmlTreeToString(
                        element.getElementsByTagName("TreeNumberList").item(0), externalId);
                String externalType = element.getAttribute("DescriptorClass");
                String alternativeLabels = xmlToAlternativeLabels(
                        element.getElementsByTagName("ConceptList").item(0), externalId);
                updateOrCreateTagWithExternalSourceName(externalId, "MESH", tagLabel, description,
                        alternativeLabels, externalCreationDate, lastUpdateDateInExternalSystem, null,
                        externalHierarchyCode, externalType, null);
                counterSuccess++;
                lastSuccessfulLabel = tagLabel;
            } catch (Exception e) {
                log.warn("Mesh XML can't be processed for this Label: " + tagLabel
                        + ". If the value is undefined, then, the previous successful label was: "
                        + lastSuccessfulLabel, e);
                sendStatusMail(2, e.getMessage());
            }
            if (counterTotal % 1000 == 0) {
                log.info(counterSuccess + "/" + counterTotal
                        + " labels processed correctly... and still processing. "
                        + (counterTotal - counterSuccess) + " errors by the moment");
            }

        } // end while
        xsr.close();
        updateTagCollectionSynchronization("MESH", 0L);
        deleteTagsOlderThanDateFromCollection("MESH", start);
        sendStatusMail(1, "Imported from MESH finished. Num of labels processed successfully " + counterSuccess
                + "of" + counterTotal);
    } catch (XMLStreamException ex) {
        log.warn("Mesh XML can't be processed", ex);
    } catch (Exception e) {
        log.warn("Mesh XML can't be processed", e);
        sendStatusMail(2, e.getMessage());
    }

    if (log.isInfoEnabled()) {
        log.info("Finished Mesh Tags synchronization in " + (System.currentTimeMillis() - start) + " ms");
    }
    counterTotal = 0;
    counterSuccess = 0;
    lastSuccessfulLabel = "";
}

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

public synchronized void syncAllTags() {

    long start = System.currentTimeMillis();

    if (log.isInfoEnabled()) {
        log.info("Starting Full XML Tag Collection synchronization");
    }//from ww  w . j  a v a 2s  .  c  om
    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 tagLabel = getString("tagLabel", element);
            String tagId = getString("tagId", element);
            String externalId = getString("externalId", element);
            String description = getString("description", element);
            long externalCreationDate = stringToLong(getString("externalCreationDate", element), 0L);
            long lastUpdateDateInExternalSystem = stringToLong(
                    getString("lastUpdateDateInExternalSystem", element), 0L);
            String externalHierarchyCode = getString("externalHierarchyCode", element);
            String externalType = getString("externalType", element);
            String alternativeLabels = getString("alternativeLabels", element);
            String tagCollectionId = getString("tagCollectionId", element);

            if (collectionToUpdate != null && !collectionToUpdateMoreThanOne) {
                if (!(collectionToUpdate.equals(tagCollectionId))) {
                    collectionToUpdateMoreThanOne = true;
                }
            } else {
                collectionToUpdate = tagCollectionId;
            }
            String data = getString("data", element);
            String parentId = getString("parentId", element);

            if (tagId != null && tagId.length() == VALID_ID_LENGTH) {
                if (tagWithIdIsPresent(tagId)) {
                    updateLabelWithId(tagId, externalId, tagCollectionId, tagLabel, description,
                            alternativeLabels, externalCreationDate, lastUpdateDateInExternalSystem, parentId,
                            externalHierarchyCode, externalType, data);
                } else {
                    updateOrCreateTagWithCollectionId(externalId, tagCollectionId, tagLabel, description,
                            alternativeLabels, externalCreationDate, lastUpdateDateInExternalSystem, parentId,
                            externalHierarchyCode, externalType, data);
                }
            } else {
                updateOrCreateTagWithCollectionId(externalId, tagCollectionId, tagLabel, description,
                        alternativeLabels, externalCreationDate, lastUpdateDateInExternalSystem, parentId,
                        externalHierarchyCode, externalType, data);
            }
        }

        updateTagCollectionSynchronizationWithCollectionId(collectionToUpdate, 0L);
        //We will delete the old ones when there is only one collectionID in the file.
        if (collectionToUpdate != null && !collectionToUpdateMoreThanOne) {
            deleteTagsOlderThanDateFromCollectionWithCollectionId(collectionToUpdate, start);
        }
        sendStatusMail(1, "");
    } catch (Exception e) {
        log.warn("Full Tags XML can't be processed", e);
        sendStatusMail(2, e.getMessage());
    }

    String collectionToUpdate = null;
    Boolean collectionToUpdateMoreThanOne = false;
    if (log.isInfoEnabled()) {
        log.info("Finished Full XML Tags synchronization in " + (System.currentTimeMillis() - start) + " ms");
    }
}

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");
    }//  w  w  w  . j  a va 2s .  c o m

    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");
    }

}

From source file:org.silverpeas.core.admin.component.PersonalComponentRegistry.java

private static PersonalComponent loadComponent(File descriptor) {
    try {/*from   w ww .j a v  a2  s.co  m*/
        JAXBContext context = JAXBContext.newInstance("org.silverpeas.core.admin.component.model");
        Unmarshaller unmarshaller = context.createUnmarshaller();
        try (InputStream in = new FileInputStream(descriptor)) {
            XMLInputFactory factory = XMLInputFactory.newFactory();
            return (unmarshaller.unmarshal(factory.createXMLStreamReader(in), PersonalComponent.class))
                    .getValue();
        }
    } catch (IOException | JAXBException | XMLStreamException e) {
        throw new SilverpeasRuntimeException(e.getMessage(), e);
    }
}

From source file:org.silverpeas.core.admin.component.WAComponentRegistry.java

private static WAComponent loadComponent(File descriptor) {
    try {/*w ww.  j  a  v  a2 s  .  c o m*/
        JAXBContext context = JAXBContext.newInstance("org.silverpeas.core.admin.component.model");
        Unmarshaller unmarshaller = context.createUnmarshaller();
        try (InputStream in = new FileInputStream(descriptor)) {
            XMLInputFactory factory = XMLInputFactory.newFactory();
            return (unmarshaller.unmarshal(factory.createXMLStreamReader(in), WAComponent.class)).getValue();
        }
    } catch (IOException | JAXBException | XMLStreamException e) {
        throw new SilverpeasRuntimeException(e.getMessage(), e);
    }
}

From source file:org.slc.sli.api.resources.config.StAXMsgBodyReader.java

/**
 * Deserializer for XML => EntityBody
 * @param body xml as an input stream//from   w ww .  java2 s. c  o  m
 * @return a EntityBody object that corresponds to the xml
 * @throws XMLStreamException
 */
public EntityBody deserialize(final InputStream body) throws XMLStreamException {
    final XMLInputFactory factory = XMLInputFactory.newInstance();
    final XMLStreamReader reader = factory.createXMLStreamReader(body);
    try {
        return readDocument(reader);
    } finally {
        reader.close();
    }
}

From source file:org.slc.sli.modeling.wadl.reader.WadlReader.java

/**
 * Reads XMI from an {@link InputStream}.
 *
 * @param stream//from  w w w.j  a  v a  2 s.  com
 *            The {@link InputStream}.
 * @return The parsed {@link Model}.
 */
public static final Application readApplication(final InputStream stream) {
    if (stream == null) {
        throw new IllegalArgumentException("stream");
    }
    final XMLInputFactory factory = XMLInputFactory.newInstance();
    try {
        final XMLStreamReader reader = factory.createXMLStreamReader(stream);
        try {
            return readDocument(reader);
        } finally {
            reader.close();
        }
    } catch (final XMLStreamException e) {
        throw new WadlRuntimeException(e);
    }
}

From source file:org.slc.sli.modeling.xmi.comp.XmiMappingReader.java

/**
 * Reads XMI from an {@link InputStream}.
 * //from  ww  w.  j  a v  a2  s  .c  o m
 * @param stream
 *            The {@link InputStream}.
 * @return The parsed {@link Model}.
 */
public static final XmiComparison readDocument(final InputStream stream) {
    final XMLInputFactory factory = XMLInputFactory.newInstance();
    try {
        final XMLStreamReader reader = factory.createXMLStreamReader(stream);
        try {
            return readDocument(reader);
        } finally {
            reader.close();
        }
    } catch (final XMLStreamException e) {
        throw new XmiCompRuntimeException(e);
    }
}

From source file:org.slc.sli.modeling.xmi.reader.XmiReader.java

/**
 * Reads XMI from an {@link InputStream}.
 *
 * @param stream//from   ww  w. j  av  a  2s .com
 *            The {@link InputStream}.
 * @return The parsed {@link Model}.
 */
public static final Model readModel(final InputStream stream) {
    final XMLInputFactory factory = XMLInputFactory.newInstance();
    try {
        final XMLStreamReader reader = factory.createXMLStreamReader(stream);
        try {
            return readDocument(reader);
        } finally {
            reader.close();
        }
    } catch (final XMLStreamException e) {
        throw new XmiRuntimeException(e);
    }
}

From source file:org.socraticgrid.workbench.ontomodel.service.SyntacticalOntoModelServiceImpl.java

/**
 * Extracts all the Fact Types used in a process definition.
 * Each Fact Type is declared as://from   w w w. j a v  a 2  s.  c om
 * 
 *   <bpmn2:textAnnotation id="_92807518-95EC-447B-A292-D46C9D5958E9">
 *       <bpmn2:text>KMRCustom--Diagnosis--code--49320</bpmn2:text>
 *   </bpmn2:textAnnotation>
 * 
 * In the previous example, Diagnosis is the Fact Type
 * 
 * @param processXml
 * @return
 * @throws XMLStreamException 
 */
private Set<String> getProcessFactTypesFromXml(String processXml) throws XMLStreamException {

    Set<String> facts = new HashSet<String>();

    XMLInputFactory factory = XMLInputFactory.newInstance();
    XMLStreamReader reader = factory.createXMLStreamReader(new ByteArrayInputStream(processXml.getBytes()));

    boolean parsingTextAnnotation = false;

    //<bpmn2:text>KMRCustom--Diagnosis--code--49320</bpmn2:text>
    while (reader.hasNext()) {
        switch (reader.next()) {
        case XMLStreamReader.START_ELEMENT:
            if ("bpmn2".equals(reader.getName().getPrefix())
                    && "textAnnotation".equals(reader.getName().getLocalPart())) {
                parsingTextAnnotation = true;
            }
            if (parsingTextAnnotation && "bpmn2".equals(reader.getName().getPrefix())
                    && "text".equals(reader.getName().getLocalPart())) {
                String text = reader.getElementText();
                if (text.startsWith("KMRCustom--")) {
                    String[] parts = text.split("--");
                    facts.add(parts[1]);
                }
            }
            break;
        case XMLStreamReader.END_ELEMENT:
            if ("bpmn2".equals(reader.getName().getPrefix())
                    && "textAnnotation".equals(reader.getName().getLocalPart())) {
                parsingTextAnnotation = false;
            }
        }
    }

    return facts;
}