Examples with DescriptorNotFoundContentHandler org.eclipse.persistence.internal.oxm.record.deferred.DescriptorNotFoundContentHandler used on opensource projects

Example 1 with DescriptorNotFoundContentHandler

use of org.eclipse.persistence.internal.oxm.record.deferred.DescriptorNotFoundContentHandler in project eclipselink by eclipse-ee4j.

the class XMLRelationshipMappingNodeValue method processChild.

// Protected to public
public void processChild(XPathFragment xPathFragment, UnmarshalRecord unmarshalRecord, Attributes atts, Descriptor xmlDescriptor, Mapping mapping) throws SAXException {
    if (xmlDescriptor == null) {
        // Use the DescriptorNotFoundContentHandler to "look ahead" and determine if this is a simple or complex element
        // if it is complex the exception should be thrown
        DescriptorNotFoundContentHandler handler = new DescriptorNotFoundContentHandler(unmarshalRecord, mapping);
        String qnameString = xPathFragment.getLocalName();
        if (xPathFragment.getPrefix() != null) {
            qnameString = xPathFragment.getPrefix() + Constants.COLON + qnameString;
        }
        handler.startElement(xPathFragment.getNamespaceURI(), xPathFragment.getLocalName(), qnameString, atts);
        XMLReader xmlReader = unmarshalRecord.getXMLReader();
        xmlReader.setContentHandler(handler);
        xmlReader.setLexicalHandler(handler);
        return;
    }
    if (xmlDescriptor.hasInheritance()) {
        unmarshalRecord.setAttributes(atts);
        CoreAbstractSession session = unmarshalRecord.getSession();
        Class<?> classValue = ((ObjectBuilder) xmlDescriptor.getObjectBuilder()).classFromRow(unmarshalRecord, session);
        if (classValue == null) {
            // no xsi:type attribute - look for type indicator on the default root element
            XPathQName leafElementType = unmarshalRecord.getLeafElementType();
            // if we have a user-set type, try to get the class from the inheritance policy
            if (leafElementType != null) {
                Object indicator = xmlDescriptor.getInheritancePolicy().getClassIndicatorMapping().get(leafElementType);
                if (indicator != null) {
                    classValue = (Class) indicator;
                }
            }
            // if xsi:type is overriden by JSON_TYPE_ATTRIBUTE_NAME unmarshall property
            if (classValue == null && unmarshalRecord.getUnmarshaller().isApplicationJSON() && unmarshalRecord.getUnmarshaller().getJsonTypeConfiguration().getJsonTypeAttributeName() != null && atts.getValue(unmarshalRecord.getUnmarshaller().getJsonTypeConfiguration().getJsonTypeAttributeName()) != null) {
                QName qname = new QName(xmlDescriptor.getSchemaReference().getSchemaContextAsQName().getNamespaceURI(), atts.getValue(unmarshalRecord.getUnmarshaller().getJsonTypeConfiguration().getJsonTypeAttributeName()));
                classValue = (Class) xmlDescriptor.getInheritancePolicy().getClassIndicatorMapping().get(qname);
            }
        }
        if (classValue != null) {
            xmlDescriptor = (Descriptor) session.getDescriptor(classValue);
        } else {
            // on the mapping -  make sure it is non-abstract
            if (Modifier.isAbstract(xmlDescriptor.getJavaClass().getModifiers())) {
                // need to throw an exception here
                throw DescriptorException.missingClassIndicatorField(unmarshalRecord, (org.eclipse.persistence.oxm.XMLDescriptor) xmlDescriptor.getInheritancePolicy().getDescriptor());
            }
        }
    }
    ObjectBuilder targetObjectBuilder = (ObjectBuilder) xmlDescriptor.getObjectBuilder();
    CoreAttributeGroup group = unmarshalRecord.getUnmarshalAttributeGroup();
    CoreAttributeGroup nestedGroup = null;
    if (group == XMLRecord.DEFAULT_ATTRIBUTE_GROUP) {
        nestedGroup = group;
    }
    if (nestedGroup == null) {
        CoreAttributeItem item = group.getItem(getMapping().getAttributeName());
        nestedGroup = item.getGroup(xmlDescriptor.getJavaClass());
        if (nestedGroup == null) {
            if (item.getGroup() == null) {
                nestedGroup = XMLRecord.DEFAULT_ATTRIBUTE_GROUP;
            } else {
                nestedGroup = item.getGroup();
            }
        }
    }
    UnmarshalRecord childRecord = unmarshalRecord.getChildUnmarshalRecord(targetObjectBuilder);
    childRecord.setAttributes(atts);
    childRecord.startDocument();
    childRecord.initializeRecord(null);
    childRecord.setUnmarshalAttributeGroup(nestedGroup);
    childRecord.startElement(xPathFragment.getNamespaceURI(), xPathFragment.getLocalName(), xPathFragment.getShortName(), atts);
    XMLReader xmlReader = unmarshalRecord.getXMLReader();
    xmlReader.setContentHandler(childRecord);
    xmlReader.setLexicalHandler(childRecord);
}