Example usage for javax.xml.bind Unmarshaller setEventHandler

Introduction

In this page you can find the example usage for javax.xml.bind Unmarshaller setEventHandler.

Prototype

public void setEventHandler(ValidationEventHandler handler) throws JAXBException;

Source Link

Document

Allow an application to register a ValidationEventHandler .

Usage

From source file:org.docx4j.openpackaging.parts.JaxbXmlPart.java

public E unmarshal(org.w3c.dom.Element el) throws JAXBException {

    try {//from www.  ja  v a  2  s  .co  m

        Unmarshaller u = jc.createUnmarshaller();
        JaxbValidationEventHandler eventHandler = new JaxbValidationEventHandler();
        eventHandler.setContinue(false);
        u.setEventHandler(eventHandler);

        try {
            jaxbElement = (E) XmlUtils.unwrap(u.unmarshal(el));
        } catch (UnmarshalException ue) {
            log.info("encountered unexpected content; pre-processing");
            try {
                org.w3c.dom.Document doc;
                if (el instanceof org.w3c.dom.Document) {
                    doc = (org.w3c.dom.Document) el;
                } else {
                    // Hope for the best. Dodgy though; what if this is
                    // being used on something deep in the tree?
                    // TODO: revisit
                    doc = el.getOwnerDocument();
                }
                eventHandler.setContinue(true);
                JAXBResult result = XmlUtils.prepareJAXBResult(jc);
                Templates mcPreprocessorXslt = JaxbValidationEventHandler.getMcPreprocessor();
                XmlUtils.transform(doc, mcPreprocessorXslt, null, result);
                jaxbElement = (E) XmlUtils.unwrap(result.getResult());
            } catch (Exception e) {
                throw new JAXBException("Preprocessing exception", e);
            }
        }
        return jaxbElement;

    } catch (JAXBException e) {
        log.error(e.getMessage(), e);
        throw e;
    }
}

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From source file:org.docx4j.XmlUtils.java

public static Object unmarshal(InputStream is, JAXBContext jc) throws JAXBException {

    // Guard against XXE
    XMLInputFactory xif = XMLInputFactory.newInstance();
    xif.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
    xif.setProperty(XMLInputFactory.SUPPORT_DTD, false); // a DTD is merely ignored, its presence doesn't cause an exception
    XMLStreamReader xsr = null;// ww  w .  j  ava 2s  . com
    try {
        xsr = xif.createXMLStreamReader(is);
    } catch (XMLStreamException e) {
        throw new JAXBException(e);
    }

    Object o = null;
    Unmarshaller u = jc.createUnmarshaller();

    JaxbValidationEventHandler eventHandler = new JaxbValidationEventHandler();
    //      if (is.markSupported()) {
    //         // Only fail hard if we know we can restart
    //         eventHandler.setContinue(false);
    //      }
    u.setEventHandler(eventHandler);
    try {
        o = u.unmarshal(xsr);
        return o;
    } catch (UnmarshalException ue) {

        if (ue.getLinkedException() != null && ue.getLinkedException().getMessage().contains("entity")) {

            /*
               Caused by: javax.xml.stream.XMLStreamException: ParseError at [row,col]:[10,19]
               Message: The entity "xxe" was referenced, but not declared.
                  at com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.next(Unknown Source)
                  at com.sun.xml.internal.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(Unknown Source)
                */
            log.error(ue.getMessage(), ue);
            throw ue;
        }

        if (is.markSupported()) {
            // When reading from zip, we use a ByteArrayInputStream,
            // which does support this.

            log.info("encountered unexpected content; pre-processing");
            eventHandler.setContinue(true);

            try {
                Templates mcPreprocessorXslt = JaxbValidationEventHandler.getMcPreprocessor();
                is.reset();
                JAXBResult result = XmlUtils.prepareJAXBResult(jc);
                XmlUtils.transform(new StreamSource(is), mcPreprocessorXslt, null, result);
                return //XmlUtils.unwrap(
                result.getResult();
            } catch (Exception e) {
                throw new JAXBException("Preprocessing exception", e);
            }

        } else {
            log.error(ue.getMessage(), ue);
            log.error(".. and mark not supported");
            throw ue;
        }
    }

}

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From source file:org.docx4j.XmlUtils.java

public static Object unmarshalString(String str, JAXBContext jc, Class declaredType) throws JAXBException {
    Unmarshaller u = jc.createUnmarshaller();
    u.setEventHandler(new org.docx4j.jaxb.JaxbValidationEventHandler());
    Object o = u.unmarshal(new javax.xml.transform.stream.StreamSource(new java.io.StringReader(str)),
            declaredType);//w  w  w  .  j a  v a  2  s .  c om
    if (o instanceof JAXBElement) {
        return ((JAXBElement) o).getValue();
    } else {
        return o;
    }
}

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From source file:org.docx4j.XmlUtils.java

public static Object unmarshalString(String str, JAXBContext jc) throws JAXBException {
    log.debug("Unmarshalling '" + str + "'");
    Unmarshaller u = jc.createUnmarshaller();
    u.setEventHandler(new org.docx4j.jaxb.JaxbValidationEventHandler());
    return u.unmarshal(new javax.xml.transform.stream.StreamSource(new java.io.StringReader(str)));
}

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From source file:org.docx4j.XmlUtils.java

public static Object unmarshal(Node n) throws JAXBException {

    Unmarshaller u = Context.jc.createUnmarshaller();
    u.setEventHandler(new org.docx4j.jaxb.JaxbValidationEventHandler());

    return u.unmarshal(n);
}

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From source file:org.docx4j.XmlUtils.java

public static Object unmarshal(Node n, JAXBContext jc, Class declaredType) throws JAXBException {

    // THIS DOESN"T WORK PROPERLY WITH 1.6.0.03 JAXB RI
    // (at least with CTTextParagraphProperties in 
    //  a Xalan org.apache.xml.dtm.ref.DTMNodeProxy)
    // but converting the Node to a String and
    // unmarshalling that is fine!

    Unmarshaller u = jc.createUnmarshaller();
    u.setEventHandler(new org.docx4j.jaxb.JaxbValidationEventHandler());
    Object o = u.unmarshal(n, declaredType);
    if (o instanceof javax.xml.bind.JAXBElement) {
        return ((JAXBElement) o).getValue();
    } else {/*from   www. j ava 2  s  . co m*/
        return o;
    }
}

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From source file:org.docx4j.XmlUtils.java

/**
 * Prepare a JAXB transformation result for some given context.
 * @param context The JAXB context./*from   www.  j  av a2  s .c  o  m*/
 * @return The result data structure created.
 * @throws Docx4JException In case of configuration errors.
 */
public static JAXBResult prepareJAXBResult(final JAXBContext context) throws Docx4JException {

    final JAXBResult result;
    try {
        final Unmarshaller unmarshaller = context.createUnmarshaller();
        unmarshaller.setEventHandler(new JaxbValidationEventHandler());
        result = new JAXBResult(unmarshaller);

    } catch (JAXBException e) {
        throw new Docx4JException("Error preparing empty JAXB result", e);
    }
    return result;
}

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From source file:org.eclipse.smila.connectivity.framework.schema.internal.JaxbPluginContext.java

/**
 * Creates the validating unmarshaller./*w  w  w.java  2 s  .  c o  m*/
 * 
 * @return the unmarshaller
 * 
 * @throws JAXBException
 *           the JAXB exception
 * @throws SchemaNotFoundException
 *           the index order schema not found exception
 */
public Unmarshaller createValidatingUnmarshaller() throws JAXBException, SchemaNotFoundException {
    initilize();
    assertNotNull(_context);
    final Unmarshaller unmarshaller = _context.createUnmarshaller();
    final SchemaFactory sf = SchemaFactory.newInstance(W3C_XML_SCHEMA_NS_URI);
    try {
        sf.setResourceResolver(new XSDContextURIResolver(sf.getResourceResolver()));
        final javax.xml.validation.Schema schema = sf
                .newSchema(Platform.getBundle(_id).getEntry(_plugIn.getSchemaLocation()));
        unmarshaller.setSchema(schema);
        unmarshaller.setEventHandler(new ValidationEventHandler() {
            public boolean handleEvent(final ValidationEvent ve) {
                if (ve.getSeverity() != ValidationEvent.WARNING) {
                    final ValidationEventLocator vel = ve.getLocator();
                    _log.error("Line:Col[" + vel.getLineNumber() + ":" + vel.getColumnNumber() + "]:"
                            + ve.getMessage());
                    return false;
                }
                return true;
            }
        });
    } catch (final org.xml.sax.SAXException se) {
        throw new SchemaRuntimeException("Unable to validate due to following error.", se);
    }
    return unmarshaller;
}

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From source file:org.eclipse.smila.management.jmx.client.helpers.ConfigLoader.java

/**
 * Load./*from   w  w w. j  a v  a2 s. co  m*/
 * 
 * @param is
 *          the is
 * 
 * @return the cmd config type
 * 
 * @throws ConfigurationLoadException
 *           the configuration load exception
 */
public static JmxClientConfigType load(final InputStream is) throws ConfigurationLoadException {
    try {
        final JAXBContext context = JAXBContext.newInstance("org.eclipse.smila.management.jmx.client.config");
        final SchemaFactory schemaFactory = SchemaFactory
                .newInstance(javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI);
        final Schema schema = schemaFactory.newSchema(new File("schemas/jmxclient.xsd"));
        final Unmarshaller unmarshaller = context.createUnmarshaller();
        unmarshaller.setSchema(schema);
        unmarshaller.setEventHandler(createValidationEventHandler());
        Object result = unmarshaller.unmarshal(is);
        if (result != null) {
            if (result instanceof JAXBElement) {
                result = ((JAXBElement) result).getValue();
            }
        }
        return (JmxClientConfigType) result;
    } catch (final Throwable e) {
        throw new ConfigurationLoadException("Unable to load configuration", e);
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (final Throwable e) {
                ;// nothing
            }
        }
    }
}

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From source file:org.eclipse.smila.utils.jaxb.JaxbUtils.java

/**
 * Creates the validating unmarshaller./*  w  ww  .  j  a  va2s.  co m*/
 * 
 * @param context
 *          the context
 * @param schema
 *          the schema
 * 
 * @return the unmarshaller
 * 
 * @throws JAXBException
 *           the JAXB exception
 */
public static Unmarshaller createValidatingUnmarshaller(final JAXBContext context, final Schema schema)
        throws JAXBException {
    if (schema == null) {
        throw new IllegalArgumentException("Schema is not found!");
    }
    final Unmarshaller unmarshaller = context.createUnmarshaller();
    unmarshaller.setSchema(schema);
    unmarshaller.setEventHandler(createValidationEventHandler());
    return unmarshaller;
}

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