Examples of javax.xml.bind.Unmarshaller

javax.xml.bind.Unmarshaller

A Unmarshaller is the opposite of the {@link Marshaller}: It takes as input XML in either of several representations (byte or character stream, DOM node, or a series of SAX events) and returns a JAXB object with the same contents.

If the JAXB user demands, the Unmarshaller may also validate the content tree that it sees.
@author JSR-31 @since JAXB1.0 @see JAXBContext @see Marshaller @see Validator

    /** @param in XML stream to parse using the validation-mapping-1.0.xsd */
    private ConstraintMappingsType parseXmlMappings(InputStream in) {
        ConstraintMappingsType mappings;
        try {
            JAXBContext jc = JAXBContext.newInstance(ConstraintMappingsType.class);
            Unmarshaller unmarshaller = jc.createUnmarshaller();
            unmarshaller.setSchema(getSchema());
            StreamSource stream = new StreamSource(in);
            JAXBElement<ConstraintMappingsType> root =
                  unmarshaller.unmarshal(stream, ConstraintMappingsType.class);
            mappings = root.getValue();
        } catch (JAXBException e) {
            throw new ValidationException("Failed to parse XML deployment descriptor file.",
                  e);
        } finally {

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    }
    
    private void doTestMixedContent(String data, boolean ignore, String fileName) throws Exception {
        InputStream is = getClass().getResourceAsStream(fileName);
        JAXBContext context = JAXBContext.newInstance(Books.class);
        Unmarshaller um = context.createUnmarshaller();
        JAXBElement<?> jaxbEl = um.unmarshal(new StreamSource(is), Books.class);
        
        JSONProvider<JAXBElement<?>> p = new JSONProvider<JAXBElement<?>>();
        p.setIgnoreMixedContent(ignore);
        ByteArrayOutputStream os = new ByteArrayOutputStream();

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            }
            boolean isCollection = InjectionUtils.isSupportedCollectionOrArray(type);
            Class<?> theGenericType = isCollection ? InjectionUtils.getActualType(genericType) : type;
            Class<?> theType = getActualType(theGenericType, genericType, anns);
            
            Unmarshaller unmarshaller = createUnmarshaller(theType, genericType, isCollection);
            XMLStreamReader xsr = createReader(type, realStream, isCollection);
            
            Object response = null;
            if (JAXBElement.class.isAssignableFrom(type) 
                || !isCollection && (unmarshalAsJaxbElement
                || jaxbElementClassMap != null && jaxbElementClassMap.containsKey(theType.getName()))) {
                response = unmarshaller.unmarshal(xsr, theType);
            } else {
                response = unmarshaller.unmarshal(xsr);
            }
            if (response instanceof JAXBElement && !JAXBElement.class.isAssignableFrom(type)) {
                response = ((JAXBElement<?>)response).getValue();    
            }
            if (isCollection) {

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            return ((AtomElementReader<Entry, Object>)reader).readFrom(entry);
        }
        String entryContent = entry.getContent();
        if (entryContent != null) {
            try {
                Unmarshaller um = 
                    jaxbProvider.getJAXBContext(cls, cls).createUnmarshaller();
                return cls.cast(um.unmarshal(new StringReader(entryContent)));
            } catch (Exception ex) {
                reportError("Object of type " + cls.getName() + " can not be deserialized from Entry", ex, 400);
            }
        }
        return null;

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    public ExtensibilityElement unmarshall(@SuppressWarnings("rawtypes") Class parent, 
                                           QName qname, Element element, Definition wsdl,
                                           ExtensionRegistry registry) throws WSDLException {
        XMLStreamReader reader = null;
        try {
            Unmarshaller u = getContext().createUnmarshaller();
        
            Object o = null;
            if (namespace == null) {
                o = u.unmarshal(element);
            } else {
                reader = StaxUtils.createXMLStreamReader(element);
                reader = new MappingReaderDelegate(reader);
                o = u.unmarshal(reader);
            }
            if (o instanceof JAXBElement<?>) {
                JAXBElement<?> el = (JAXBElement<?>)o;
                o = el.getValue();
            }

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    public static Object createTLSClientParameters(String s) {
        
        StringReader reader = new StringReader(s);
        XMLStreamReader data = StaxUtils.createXMLStreamReader(reader);
        Unmarshaller u;
        try {
            u = getContext().createUnmarshaller();
            JAXBElement<TLSClientParametersType> type = u.unmarshal(data, TLSClientParametersType.class);
            TLSClientParametersType cpt = type.getValue();
            return createTLSClientParametersFromType(cpt);
        } catch (RuntimeException e) {
            throw e;
        } catch (Exception e) {

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    }
    
    protected Unmarshaller createUnmarshaller(Class<?> cls, Type genericType) 
        throws JAXBException {
        JAXBContext context = getJAXBContext(cls, genericType);
        Unmarshaller unmarshaller = context.createUnmarshaller();
        if (schema != null) {
            unmarshaller.setSchema(schema);
        }
        return unmarshaller;        
    }

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        throws IOException {
        
        try {
            Class<?> theType = getActualType(type, genericType);
            JAXBContext context = getJAXBContext(theType, genericType);
            Unmarshaller unmarshaller = context.createUnmarshaller();
            
            MappedXMLInputFactory factory = new MappedXMLInputFactory(namespaceMap);
            XMLStreamReader xsw = factory.createXMLStreamReader(is);
            Object response = null;
            if (JAXBElement.class.isAssignableFrom(type)) {
                response = unmarshaller.unmarshal(xsw, theType);
            } else {
                response = unmarshaller.unmarshal(xsw);
            }
            return response;
            
        } catch (JAXBException e) {
            throw new WebApplicationException(e);

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                jaxbbean.addConstructorArg(context);
                jaxbbean.addConstructorArg(writer.toString());
                jaxbbean.addConstructorArg(c);
                bean.addPropertyValue(propertyName, jaxbbean.getBeanDefinition());
            } catch (Exception ex) {
                Unmarshaller u = context.createUnmarshaller();
                Object obj;
                if (c != null) {
                    obj = u.unmarshal(data, c);
                } else {
                    obj = u.unmarshal(data);
                }
                if (obj instanceof JAXBElement<?>) {
                    JAXBElement<?> el = (JAXBElement<?>)obj;
                    obj = el.getValue();
                }

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    public Object readFrom(Class<Object> type, Type genericType, Annotation[] annotations, MediaType m, 
        MultivaluedMap<String, String> headers, InputStream is) 
        throws IOException {
        try {
            Class<?> theType = getActualType(type, genericType);
            Unmarshaller unmarshaller = createUnmarshaller(theType, genericType);
            
            if (JAXBElement.class.isAssignableFrom(type)) {
                return unmarshaller.unmarshal(new StreamSource(is), theType);
            } else {
                return unmarshaller.unmarshal(is);
            }
            
        } catch (JAXBException e) {
            throw new WebApplicationException(e);        
        }

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