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:Main.java

public static void main(String[] args) throws Exception {
    JAXBContext jc = JAXBContext.newInstance(Foo.class);

    Unmarshaller unmarshaller = jc.createUnmarshaller();
    StringReader xml = new StringReader("<foo><bar>toast</bar></foo>");
    Foo foo = (Foo) unmarshaller.unmarshal(xml);
    unmarshaller.setEventHandler(new ValidationEventHandler() {
        @Override//from   w w w.ja v  a2s  .co  m
        public boolean handleEvent(ValidationEvent ve) {
            System.out.println(ve.getMessage());
            return true;
        }
    });

    System.out.println(foo.isBar());
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    JAXBContext jc = JAXBContext.newInstance(Root.class);
    Unmarshaller unmarshaller = jc.createUnmarshaller();
    Marshaller marshaller = jc.createMarshaller();
    marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);

    // Unmarshal #1 = Default Unmarshal
    System.out.println("Unmarshal #1");
    Root root = (Root) unmarshaller.unmarshal(new StringReader(XML));
    marshaller.marshal(root, System.out);

    // Unmarshal #2 - Override Default ValidationEventHandler
    System.out.println("Unmarshal #2");
    unmarshaller.setEventHandler(new ValidationEventHandler() {
        @Override//from w  w  w  .  ja  v  a2s .  c  o  m
        public boolean handleEvent(ValidationEvent event) {
            System.out.println(event.getMessage());
            return false;
        }
    });
    unmarshaller.unmarshal(new StringReader(XML));
}

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From source file:Main.java

public static <T> T deserialize(Class<T> res, InputStream is) throws JAXBException {
    Unmarshaller u = CTX.createUnmarshaller();
    u.setEventHandler(new DefaultValidationEventHandler());
    return res.cast(u.unmarshal(is));
}

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From source file:Main.java

public static <T> T deserialize(Class<T> res, InputStream is) throws JAXBException {
    String pkg = res.getPackage().getName();
    JAXBContext jc = getCachedContext(pkg);
    Unmarshaller u = jc.createUnmarshaller();
    u.setEventHandler(new DefaultValidationEventHandler());
    return res.cast(u.unmarshal(is));
}

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From source file:Main.java

/**
 * Unmarshal./*from  ww  w  . j  a  va2s  .com*/
 *
 * @param inputSource the input source
 * @param clazz the clazz
 * @return the object
 * @throws JAXBException the jAXB exception
 */
public static Object unmarshal(InputSource inputSource, Class<?> clazz) throws JAXBException {
    JAXBContext jc = JAXBContext.newInstance(clazz);
    Unmarshaller u = jc.createUnmarshaller();
    ValidationEventCollector vec = new ValidationEventCollector();
    u.setEventHandler(vec);
    Object o1 = u.unmarshal(inputSource);
    return o1;

}

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From source file:de.bloxel.engine.util.JAXBUtils.java

public static <T> T unmarschal(final InputStream inputStream, final Class<T> aClass) {
    try {//from   ww  w.  j a v  a2s.  c o m
        // http://jaxb.java.net/faq/index.html#classloader
        final JAXBContext jc = JAXBContext.newInstance(getPackageCanonicalName(aClass));
        final Unmarshaller unmarshaller = jc.createUnmarshaller();
        // http://jaxb.java.net/guide/Unmarshalling_is_not_working__Help_.html
        unmarshaller.setEventHandler(new javax.xml.bind.helpers.DefaultValidationEventHandler());
        final XMLInputFactory staxFactory = XMLInputFactory.newInstance();
        final XMLStreamReader xmlReader = staxFactory.createXMLStreamReader(inputStream);
        return unmarshaller.unmarshal(xmlReader, aClass).getValue();
    } catch (final JAXBException e) {
        throw new RuntimeException(String.format("Can't load unmarschal '%s'", aClass), e);
    } catch (final XMLStreamException e) {
        throw new RuntimeException(String.format("Can't load unmarschal '%s'", aClass), e);
    }
}

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From source file:Main.java

public static <T> T unmarshal(Reader r, Class<T> clazz)
        throws JAXBException, XMLStreamException, FactoryConfigurationError {
    JAXBContext context = s_contexts.get(clazz);
    if (context == null) {
        context = JAXBContext.newInstance(clazz);
        s_contexts.put(clazz, context);//from  w  w  w .j  a  va  2  s.  co  m
    }

    ValidationEventCollector valEventHndlr = new ValidationEventCollector();
    XMLStreamReader xmlsr = XMLInputFactory.newFactory().createXMLStreamReader(r);
    Unmarshaller unmarshaller = context.createUnmarshaller();
    unmarshaller.setSchema(null);
    unmarshaller.setEventHandler(valEventHndlr);

    JAXBElement<T> elem = null;
    try {
        elem = unmarshaller.unmarshal(xmlsr, clazz);
    } catch (Exception e) {
        if (e instanceof JAXBException) {
            throw (JAXBException) e;
        } else {
            throw new UnmarshalException(e.getMessage(), e);
        }
    }

    if (valEventHndlr.hasEvents()) {
        for (ValidationEvent valEvent : valEventHndlr.getEvents()) {
            if (valEvent.getSeverity() != ValidationEvent.WARNING) {
                // throw a new Unmarshall Exception if there is a parsing error
                String msg = MessageFormat.format("Line {0}, Col: {1}: {2}",
                        valEvent.getLocator().getLineNumber(), valEvent.getLocator().getColumnNumber(),
                        valEvent.getLinkedException().getMessage());
                throw new UnmarshalException(msg, valEvent.getLinkedException());
            }
        }
    }
    return elem.getValue();
}

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From source file:com.netflix.subtitles.ttml.TtmlParagraphResolver.java

private static <T> T deepCopy(T object, Class<T> clazz, String packages) {
    try {/*from w  ww  . j  a v a  2 s  .  com*/
        JAXBContext jaxbContext = JAXBContext.newInstance(packages);

        //  create marshaller which disable validation step
        Marshaller marshaller = jaxbContext.createMarshaller();
        marshaller.setEventHandler(event -> true);

        //  create unmarshaller which disable validation step
        Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
        unmarshaller.setEventHandler(event -> true);

        JAXBElement<T> contentObject = new JAXBElement<>(new QName(clazz.getName()), clazz, object);
        return unmarshaller.unmarshal(new JAXBSource(marshaller, contentObject), clazz).getValue();
    } catch (JAXBException e) {
        throw new ParseException("Time overlaps in <p> cannot be resolved.", e);
    }
}

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From source file:ee.ria.xroad.opmonitordaemon.QueryRequestHandler.java

private static Unmarshaller createUnmarshaller(Class<?> clazz) throws Exception {
    Unmarshaller unmarshaller = JaxbUtils.createUnmarshaller(clazz);
    unmarshaller.setEventHandler(QueryRequestHandler::validationFailed);
    unmarshaller.setSchema(OP_MONITORING_SCHEMA);

    return unmarshaller;
}

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From source file:ee.ria.xroad.common.message.SoapParserImpl.java

@SuppressWarnings("unchecked")
static <T> T unmarshalHeader(Class<?> clazz, SOAPHeader soapHeader, boolean checkRequiredFields)
        throws Exception {
    Unmarshaller unmarshaller = JaxbUtils.createUnmarshaller(clazz);

    if (checkRequiredFields) {
        unmarshaller.setListener(new RequiredHeaderFieldsChecker(clazz));
    }/*from ww  w.j av a 2 s .c o m*/

    unmarshaller.setEventHandler(event -> {
        switch (event.getSeverity()) {
        case ValidationEvent.WARNING:
            return true;
        case ValidationEvent.ERROR:
            Throwable t = event.getLinkedException();

            return !(t instanceof AccessorException && t.getCause() instanceof CodedException);
        case ValidationEvent.FATAL_ERROR:
            return false;
        default:
            return true;
        }
    });

    JAXBElement<T> jaxbElement = (JAXBElement<T>) unmarshaller.unmarshal(soapHeader, clazz);
    return jaxbElement.getValue();
}

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