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/*
 * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.internal.oxm;

import java.lang.reflect.Modifier;
import java.util.List;

import javax.xml.namespace.QName;

import org.eclipse.persistence.core.queries.CoreAttributeGroup;
import org.eclipse.persistence.core.queries.CoreAttributeItem;
import org.eclipse.persistence.core.sessions.CoreSession;
import org.eclipse.persistence.exceptions.DescriptorException;
import org.eclipse.persistence.exceptions.XMLMarshalException;
import org.eclipse.persistence.internal.core.sessions.CoreAbstractSession;
import org.eclipse.persistence.internal.oxm.mappings.CompositeObjectMapping;
import org.eclipse.persistence.internal.oxm.mappings.Descriptor;
import org.eclipse.persistence.internal.oxm.mappings.DirectMapping;
import org.eclipse.persistence.internal.oxm.mappings.Field;
import org.eclipse.persistence.internal.oxm.mappings.InverseReferenceMapping;
import org.eclipse.persistence.internal.oxm.mappings.Mapping;
import org.eclipse.persistence.internal.oxm.mappings.UnmarshalKeepAsElementPolicy;
import org.eclipse.persistence.internal.oxm.record.MarshalContext;
import org.eclipse.persistence.internal.oxm.record.MarshalRecord;
import org.eclipse.persistence.internal.oxm.record.ObjectMarshalContext;
import org.eclipse.persistence.internal.oxm.record.UnmarshalRecord;
import org.eclipse.persistence.internal.oxm.record.XMLReader;
import org.eclipse.persistence.internal.oxm.record.XMLRecord;
import org.eclipse.persistence.internal.oxm.record.deferred.CompositeObjectMappingContentHandler;
import org.eclipse.persistence.oxm.XMLRoot;
import org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy;
import org.eclipse.persistence.platform.xml.XMLPlatformFactory;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

/**
 * INTERNAL:
 * 

Purpose: This is how the XML Composite Object Mapping is handled * when used with the TreeObjectBuilder.

*/ public class XMLCompositeObjectMappingNodeValue extends XMLRelationshipMappingNodeValue implements NullCapableValue { private CompositeObjectMapping xmlCompositeObjectMapping; private boolean isInverseReference; public XMLCompositeObjectMappingNodeValue(CompositeObjectMapping xmlCompositeObjectMapping) { this.xmlCompositeObjectMapping = xmlCompositeObjectMapping; } public XMLCompositeObjectMappingNodeValue(CompositeObjectMapping xmlCompositeObjectMapping, boolean isInverse) { this(xmlCompositeObjectMapping); isInverseReference = isInverse; } @Override public void attribute(UnmarshalRecord unmarshalRecord, String namespaceURI, String localName, String value) { unmarshalRecord.removeNullCapableValue(this); Descriptor referenceDescriptor = (Descriptor) getMapping().getReferenceDescriptor(); ObjectBuilder treeObjectBuilder = (ObjectBuilder) referenceDescriptor.getObjectBuilder(); MappingNodeValue textMappingNodeValue = (MappingNodeValue) treeObjectBuilder.getRootXPathNode().getTextNode().getNodeValue(); Mapping textMapping = textMappingNodeValue.getMapping(); Object childObject = referenceDescriptor.getInstantiationPolicy().buildNewInstance(); if(textMapping.isAbstractDirectMapping()) { DirectMapping xmlDirectMapping = (DirectMapping) textMappingNodeValue.getMapping(); Field xmlField = (Field) xmlDirectMapping.getField(); Object realValue = unmarshalRecord.getXMLReader().convertValueBasedOnSchemaType(xmlField, value, (ConversionManager) unmarshalRecord.getSession().getDatasourcePlatform().getConversionManager(), unmarshalRecord); Object convertedValue = xmlDirectMapping.getAttributeValue(realValue, unmarshalRecord.getSession(), unmarshalRecord); xmlDirectMapping.setAttributeValueInObject(childObject, convertedValue); } else { Object oldChildObject = unmarshalRecord.getCurrentObject(); CompositeObjectMapping nestedXMLCompositeObjectMapping = (CompositeObjectMapping) textMappingNodeValue.getMapping(); unmarshalRecord.setCurrentObject(childObject); textMappingNodeValue.attribute(unmarshalRecord, namespaceURI, localName, value); unmarshalRecord.setCurrentObject(oldChildObject); } setAttributeValue(childObject, unmarshalRecord); } /** * Marshal any 'self' mapped attributes. * * @param xPathFragment * @param marshalRecord * @param object * @param session * @param namespaceResolver * @param marshaller * @return */ @Override public boolean marshalSelfAttributes(XPathFragment xPathFragment, MarshalRecord marshalRecord, Object object, CoreAbstractSession session, NamespaceResolver namespaceResolver, Marshaller marshaller) { Object objectValue = xmlCompositeObjectMapping.getAttributeValueFromObject(object); objectValue = xmlCompositeObjectMapping.convertObjectValueToDataValue(objectValue, session, marshaller); Descriptor descriptor = (Descriptor)session.getDescriptor(objectValue); if(descriptor != null){ ObjectBuilder objectBuilder = (ObjectBuilder)descriptor.getObjectBuilder(); return objectBuilder.marshalAttributes(marshalRecord, objectValue, session); } else { UnmarshalKeepAsElementPolicy keepAsElementPolicy = getMapping().getKeepAsElementPolicy(); if(null != keepAsElementPolicy && (keepAsElementPolicy.isKeepAllAsElement() || keepAsElementPolicy.isKeepUnknownAsElement())) { if(objectValue instanceof Node) { Node rootNode = (Node)objectValue; NamedNodeMap attributes = rootNode.getAttributes(); for(int i = 0; i < attributes.getLength(); i++) { Attr next = (Attr)attributes.item(i); if(!(javax.xml.XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(next.getNamespaceURI()))) { marshalRecord.node(next, namespaceResolver); } } } } } return false; } @Override public boolean marshal(XPathFragment xPathFragment, MarshalRecord marshalRecord, Object object, CoreAbstractSession session, NamespaceResolver namespaceResolver) { return marshal(xPathFragment, marshalRecord, object, session, namespaceResolver, ObjectMarshalContext.getInstance()); } @Override public boolean marshal(XPathFragment xPathFragment, MarshalRecord marshalRecord, Object object, CoreAbstractSession session, NamespaceResolver namespaceResolver, MarshalContext marshalContext) { if (xmlCompositeObjectMapping.isReadOnly()) { return false; } int size =marshalRecord.getCycleDetectionStack().size(); Object objectValue = marshalContext.getAttributeValue(object, xmlCompositeObjectMapping); if ((isInverseReference || xmlCompositeObjectMapping.getInverseReferenceMapping() != null) && objectValue != null && size >= 2) { Object owner = marshalRecord.getCycleDetectionStack().get(size - 2); if (objectValue.equals(owner)) { return false; } } return this.marshalSingleValue(xPathFragment, marshalRecord, object, objectValue, session, namespaceResolver, marshalContext); } private boolean isNil(Object value) { if (value instanceof XMLRoot) { return ((XMLRoot)value).isNil(); } return false; } @Override public boolean marshalSingleValue(XPathFragment xPathFragment, MarshalRecord marshalRecord, Object object, Object objectValue, CoreAbstractSession session, NamespaceResolver namespaceResolver, MarshalContext marshalContext) { boolean isNilFlag = isNil(objectValue); objectValue = xmlCompositeObjectMapping.convertObjectValueToDataValue(objectValue, session, marshalRecord.getMarshaller()); if (null == objectValue) { return xmlCompositeObjectMapping.getNullPolicy().compositeObjectMarshal(xPathFragment, marshalRecord, object, session, namespaceResolver); } XPathFragment groupingFragment = marshalRecord.openStartGroupingElements(namespaceResolver); if(xPathFragment.hasAttribute) { ObjectBuilder tob = (ObjectBuilder) xmlCompositeObjectMapping.getReferenceDescriptor().getObjectBuilder(); MappingNodeValue textMappingNodeValue = (MappingNodeValue) tob.getRootXPathNode().getTextNode().getMarshalNodeValue(); Mapping textMapping = textMappingNodeValue.getMapping(); if(textMapping.isAbstractDirectMapping()) { DirectMapping xmlDirectMapping = (DirectMapping) textMapping; Object fieldValue = xmlDirectMapping.getFieldValue(xmlDirectMapping.valueFromObject(objectValue, xmlDirectMapping.getField(), session), session, marshalRecord); QName schemaType = ((Field) xmlDirectMapping.getField()).getSchemaTypeForValue(fieldValue, session); if(fieldValue != null) { marshalRecord.attribute(xPathFragment, namespaceResolver, fieldValue, schemaType); } else { XMLMarshalException ex = XMLMarshalException.nullValueNotAllowed(this.xmlCompositeObjectMapping.getAttributeName(), this.xmlCompositeObjectMapping.getDescriptor().getJavaClass().getName()); try { marshalRecord.getMarshaller().getErrorHandler().warning(new SAXParseException(null, null, ex)); } catch(Exception saxException) { throw ex; } } marshalRecord.closeStartGroupingElements(groupingFragment); return true; } else { return textMappingNodeValue.marshalSingleValue(xPathFragment, marshalRecord, objectValue, textMapping.getAttributeValueFromObject(objectValue), session, namespaceResolver, marshalContext); } } boolean isSelfFragment = xPathFragment.isSelfFragment; marshalRecord.closeStartGroupingElements(groupingFragment); UnmarshalKeepAsElementPolicy keepAsElementPolicy = xmlCompositeObjectMapping.getKeepAsElementPolicy(); if (null != keepAsElementPolicy && (keepAsElementPolicy.isKeepUnknownAsElement() || keepAsElementPolicy.isKeepAllAsElement()) && objectValue instanceof Node) { if (isSelfFragment) { NodeList children = ((org.w3c.dom.Element) objectValue).getChildNodes(); for (int i = 0, childrenLength = children.getLength(); i < childrenLength ; i++) { Node next = children.item(i); short nodeType = next.getNodeType(); if (nodeType == Node.ELEMENT_NODE) { marshalRecord.node(next, marshalRecord.getNamespaceResolver()); return true; } else if (nodeType == Node.TEXT_NODE) { marshalRecord.characters(next.getNodeValue()); return true; } } return false; } else { marshalRecord.node((Node) objectValue, marshalRecord.getNamespaceResolver()); return true; } } Descriptor descriptor = (Descriptor)xmlCompositeObjectMapping.getReferenceDescriptor(); if(descriptor == null){ descriptor = (Descriptor) session.getDescriptor(objectValue.getClass()); }else if(descriptor.hasInheritance()){ Class objectValueClass = objectValue.getClass(); if(!(objectValueClass == descriptor.getJavaClass())){ descriptor = (Descriptor) session.getDescriptor(objectValueClass); } } if(descriptor != null){ marshalRecord.beforeContainmentMarshal(objectValue); ObjectBuilder objectBuilder = (ObjectBuilder)descriptor.getObjectBuilder(); CoreAttributeGroup group = marshalRecord.getCurrentAttributeGroup(); CoreAttributeItem item = group.getItem(getMapping().getAttributeName()); CoreAttributeGroup nestedGroup = XMLRecord.DEFAULT_ATTRIBUTE_GROUP; if(item != null) { if(item.getGroups() != null) { nestedGroup = item.getGroup(descriptor.getJavaClass()); } if(nestedGroup == null) { nestedGroup = item.getGroup() == null?XMLRecord.DEFAULT_ATTRIBUTE_GROUP:item.getGroup(); } } marshalRecord.pushAttributeGroup(nestedGroup); if (!(isSelfFragment || xPathFragment.nameIsText)) { xPathNode.startElement(marshalRecord, xPathFragment, object, session, namespaceResolver, objectBuilder, objectValue); if (isNilFlag) { marshalRecord.nilSimple(namespaceResolver); } } List extraNamespaces = null; if (marshalRecord.getNamespaceResolver() != null && descriptor.getNamespaceResolver() != null) { for (String prefix: descriptor.getNamespaceResolver().getPrefixesToNamespaces().keySet()) { if (!marshalRecord.getNamespaceResolver().hasPrefix(prefix)) { marshalRecord.setEqualNamespaceResolvers(false); break; } } } if (!marshalRecord.hasEqualNamespaceResolvers()) { extraNamespaces = objectBuilder.addExtraNamespacesToNamespaceResolver(descriptor, marshalRecord, session, true, false); writeExtraNamespaces(extraNamespaces, marshalRecord, session); } if(!isSelfFragment) { marshalRecord.addXsiTypeAndClassIndicatorIfRequired(descriptor, (Descriptor) xmlCompositeObjectMapping.getReferenceDescriptor(), (Field)xmlCompositeObjectMapping.getField(), false); } objectBuilder.buildRow(marshalRecord, objectValue, session, marshalRecord.getMarshaller(), xPathFragment); marshalRecord.afterContainmentMarshal(object, objectValue); marshalRecord.popAttributeGroup(); if (!(isSelfFragment || xPathFragment.nameIsText())) { marshalRecord.endElement(xPathFragment, namespaceResolver); } marshalRecord.removeExtraNamespacesFromNamespaceResolver(extraNamespaces, session); } else { if(Constants.UNKNOWN_OR_TRANSIENT_CLASS.equals(xmlCompositeObjectMapping.getReferenceClassName())){ throw XMLMarshalException.descriptorNotFoundInProject(objectValue.getClass().getName()); } if (!(isSelfFragment || xPathFragment.nameIsText())) { xPathNode.startElement(marshalRecord, xPathFragment, object, session, namespaceResolver, null, objectValue); } QName schemaType = ((Field) xmlCompositeObjectMapping.getField()).getSchemaTypeForValue(objectValue,session); updateNamespaces(schemaType, marshalRecord,((Field)xmlCompositeObjectMapping.getField())); marshalRecord.characters(schemaType, objectValue, null, false); if (!(isSelfFragment || xPathFragment.nameIsText())) { marshalRecord.endElement(xPathFragment, namespaceResolver); } } return true; } @Override public boolean startElement(XPathFragment xPathFragment, UnmarshalRecord unmarshalRecord, Attributes atts) { try { unmarshalRecord.removeNullCapableValue(this); Descriptor xmlDescriptor = (Descriptor)xmlCompositeObjectMapping.getReferenceDescriptor(); if (null == xmlDescriptor) { xmlDescriptor = findReferenceDescriptor(xPathFragment, unmarshalRecord, atts, xmlCompositeObjectMapping,xmlCompositeObjectMapping.getKeepAsElementPolicy()); if(xmlDescriptor == null){ if(xmlCompositeObjectMapping.getField() != null){ //try leaf element type QName leafType = ((Field)xmlCompositeObjectMapping.getField()).getLastXPathFragment().getLeafElementType(); if (leafType != null) { XPathFragment frag = new XPathFragment(); frag.setNamespaceAware(unmarshalRecord.isNamespaceAware()); String xpath = leafType.getLocalPart(); String uri = leafType.getNamespaceURI(); if (uri != null && uri.length() > 0) { frag.setNamespaceURI(uri); String prefix = ((Descriptor)xmlCompositeObjectMapping.getDescriptor()).getNonNullNamespaceResolver().resolveNamespaceURI(uri); if (prefix != null && prefix.length() > 0) { xpath = prefix + Constants.COLON + xpath; } } frag.setXPath(xpath); Context xmlContext = unmarshalRecord.getUnmarshaller().getContext(); xmlDescriptor = xmlContext.getDescriptorByGlobalType(frag); } } } UnmarshalKeepAsElementPolicy policy = xmlCompositeObjectMapping.getKeepAsElementPolicy(); if (null != policy && ((xmlDescriptor == null && policy.isKeepUnknownAsElement()) || policy.isKeepAllAsElement())) { QName schemaType = unmarshalRecord.getTypeQName(); if(schemaType == null){ schemaType = ((Field)xmlCompositeObjectMapping.getField()).getSchemaType(); unmarshalRecord.setTypeQName(schemaType); } if(schemaType != null){ Class theClass = unmarshalRecord.getConversionManager().javaType(schemaType); if(theClass == null){ setupHandlerForKeepAsElementPolicy(unmarshalRecord, xPathFragment, atts); return true; } }else{ setupHandlerForKeepAsElementPolicy(unmarshalRecord, xPathFragment, atts); return true; } } } // // Null Composite Objects are marshalled in 2 ways when the input XML node is empty. // (1) as null // - isNullRepresentedByEmptyNode = true // (2) as empty object // - isNullRepresentedByEmptyNode = false // A deferred contentHandler is used to queue events until we are able to determine // whether we are in one of empty/simple/complex state. // Control is returned to the UnmarshalHandler after creation of (1) or (2) above is started. // Object creation was deferred to the DeferredContentHandler // // Check if we need to create the DeferredContentHandler based on policy state AbstractNullPolicy nullPolicy = xmlCompositeObjectMapping.getNullPolicy(); if(nullPolicy.isNullRepresentedByEmptyNode()) { String qnameString = xPathFragment.getLocalName(); if(xPathFragment.getPrefix() != null) { qnameString = xPathFragment.getPrefix() + Constants.COLON + qnameString; } if(null != xmlDescriptor) { // Process null capable value CompositeObjectMappingContentHandler aHandler = new CompositeObjectMappingContentHandler(// unmarshalRecord, this, xmlCompositeObjectMapping, atts, xPathFragment, xmlDescriptor); // Send control to the handler aHandler.startElement(xPathFragment.getNamespaceURI(), xPathFragment.getLocalName(), qnameString, atts); XMLReader xmlReader = unmarshalRecord.getXMLReader(); xmlReader.setContentHandler(aHandler); xmlReader.setLexicalHandler(aHandler); } } else { if(unmarshalRecord.getXMLReader().isNullRecord(nullPolicy, atts, unmarshalRecord) && nullPolicy.ignoreAttributesForNil()){ xmlCompositeObjectMapping.setAttributeValueInObject(unmarshalRecord.getCurrentObject(), null); } else { Field xmlFld = (Field)this.xmlCompositeObjectMapping.getField(); if (xmlFld.hasLastXPathFragment()) { unmarshalRecord.setLeafElementType(xmlFld.getLastXPathFragment().getLeafElementType()); } processChild(xPathFragment, unmarshalRecord, atts, xmlDescriptor, xmlCompositeObjectMapping); } } } catch (SAXException e) { throw XMLMarshalException.unmarshalException(e); } return true; } @Override public void endElement(XPathFragment xPathFragment, UnmarshalRecord unmarshalRecord) { if(unmarshalRecord.isNil() && xmlCompositeObjectMapping.getNullPolicy().isNullRepresentedByXsiNil() && (unmarshalRecord.getChildRecord() == null)){ unmarshalRecord.resetStringBuffer(); return; } if (null == unmarshalRecord.getChildRecord()) { SAXFragmentBuilder builder = unmarshalRecord.getFragmentBuilder(); UnmarshalKeepAsElementPolicy keepAsElementPolicy = xmlCompositeObjectMapping.getKeepAsElementPolicy(); if (null != keepAsElementPolicy && (keepAsElementPolicy.isKeepUnknownAsElement() || keepAsElementPolicy.isKeepAllAsElement()) && builder.getNodes().size() != 0) { if(unmarshalRecord.getTypeQName() != null){ Class theClass = unmarshalRecord.getConversionManager().javaType(unmarshalRecord.getTypeQName()); if(theClass != null){ //handle simple text endElementProcessText(unmarshalRecord, xmlCompositeObjectMapping, xPathFragment, null); return; } } if (builder.getDocument() != null) { setOrAddAttributeValueForKeepAsElement(builder, xmlCompositeObjectMapping, xmlCompositeObjectMapping, unmarshalRecord, false, null); return; } }else{ //handle simple text endElementProcessText(unmarshalRecord, xmlCompositeObjectMapping, xPathFragment, null); return; } } else { Object object = unmarshalRecord.getChildRecord().getCurrentObject(); setAttributeValue(object, unmarshalRecord); unmarshalRecord.setChildRecord(null); } } private void setAttributeValue(Object object, UnmarshalRecord unmarshalRecord) { InverseReferenceMapping inverseReferenceMapping = xmlCompositeObjectMapping.getInverseReferenceMapping(); //If isInverseReference then this mapping is an inlineMapping of an InverseReference if(null != inverseReferenceMapping){ if(inverseReferenceMapping.getContainerPolicy() == null) { Object currentValue = inverseReferenceMapping.getAttributeAccessor().getAttributeValueFromObject(object); if( !isInverseReference || (currentValue == null && isInverseReference)) { inverseReferenceMapping.getAttributeAccessor().setAttributeValueInObject(object, unmarshalRecord.getCurrentObject()); } } else { Object backpointerContainer = inverseReferenceMapping.getAttributeAccessor().getAttributeValueFromObject(object); if(backpointerContainer == null) { backpointerContainer = inverseReferenceMapping.getContainerPolicy().containerInstance(); inverseReferenceMapping.getAttributeAccessor().setAttributeValueInObject(object, backpointerContainer); } inverseReferenceMapping.getContainerPolicy().addInto(unmarshalRecord.getCurrentObject(), backpointerContainer, unmarshalRecord.getSession()); } } object = xmlCompositeObjectMapping.convertDataValueToObjectValue(object, unmarshalRecord.getSession(), unmarshalRecord.getUnmarshaller()); // Set the child object on the parent unmarshalRecord.setAttributeValue(object, xmlCompositeObjectMapping); } @Override public void endSelfNodeValue(UnmarshalRecord unmarshalRecord, UnmarshalRecord selfRecord, Attributes attributes) { if(xmlCompositeObjectMapping.getNullPolicy().valueIsNull(attributes)){ xmlCompositeObjectMapping.setAttributeValueInObject(unmarshalRecord.getCurrentObject(), null); return; } unmarshalRecord.removeNullCapableValue(this); if (unmarshalRecord.getFragmentBuilder().getDocument() != null) { UnmarshalKeepAsElementPolicy keepAsElementPolicy = xmlCompositeObjectMapping.getKeepAsElementPolicy(); SAXFragmentBuilder builder = unmarshalRecord.getFragmentBuilder(); if ((((keepAsElementPolicy.isKeepUnknownAsElement()) || (keepAsElementPolicy.isKeepAllAsElement())))&& (builder.getNodes().size() != 0) ) { if(unmarshalRecord.getTypeQName() != null){ Class theClass = unmarshalRecord.getConversionManager().javaType(unmarshalRecord.getTypeQName()); if(theClass != null){ //handle simple text endElementProcessText(unmarshalRecord, xmlCompositeObjectMapping, null, null); return; } } Element element = (Element) builder.getNodes().remove(builder.getNodes().size() -1); String xsiType = null; if(null != element) { if(unmarshalRecord.isNamespaceAware()){ xsiType = element.getAttributeNS(javax.xml.XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI, Constants.SCHEMA_TYPE_ATTRIBUTE); }else{ xsiType = element.getAttribute(Constants.SCHEMA_TYPE_ATTRIBUTE); } } if(null != xsiType) { xsiType = xsiType.trim(); Object value = element; String namespace = null; int colonIndex = xsiType.indexOf(unmarshalRecord.getNamespaceSeparator()); if (colonIndex > -1) { String prefix = xsiType.substring(0, colonIndex); namespace = unmarshalRecord.resolveNamespacePrefix(prefix); if(null == namespace) { namespace = XMLPlatformFactory.getInstance().getXMLPlatform().resolveNamespacePrefix(element, prefix); } QName qName = new QName(namespace, xsiType.substring(colonIndex + 1)); ConversionManager conversionManager = unmarshalRecord.getConversionManager(); Class theClass = conversionManager.javaType(qName); if (theClass != null) { value = conversionManager.convertObject(element.getTextContent(), theClass, qName); } }else{ if(!unmarshalRecord.isNamespaceAware() || !unmarshalRecord.getUnmarshaller().getJsonTypeConfiguration().useXsdTypesWithPrefix()){ QName qName = new QName(javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI, xsiType); ConversionManager conversionManager = unmarshalRecord.getConversionManager(); Class theClass = conversionManager.javaType(qName); if (theClass != null) { value = conversionManager.convertObject(element.getTextContent(), theClass, qName); } } } xmlCompositeObjectMapping.setAttributeValueInObject(unmarshalRecord.getCurrentObject(), value); } else { xmlCompositeObjectMapping.setAttributeValueInObject(unmarshalRecord.getCurrentObject(), element); } } } else { Object valueToSet = selfRecord.getCurrentObject(); valueToSet = xmlCompositeObjectMapping.convertDataValueToObjectValue(valueToSet, unmarshalRecord.getSession(), unmarshalRecord.getUnmarshaller()); xmlCompositeObjectMapping.setAttributeValueInObject(unmarshalRecord.getCurrentObject(), valueToSet); InverseReferenceMapping inverseReferenceMapping = xmlCompositeObjectMapping.getInverseReferenceMapping(); if (null != inverseReferenceMapping) { inverseReferenceMapping.getAttributeAccessor().setAttributeValueInObject(valueToSet, unmarshalRecord.getCurrentObject()); } } } @Override public UnmarshalRecord buildSelfRecord(UnmarshalRecord unmarshalRecord, Attributes atts) { try { Descriptor xmlDescriptor = (Descriptor)xmlCompositeObjectMapping.getReferenceDescriptor(); if (null == xmlDescriptor) { xmlDescriptor = findReferenceDescriptor(null, unmarshalRecord, atts, xmlCompositeObjectMapping,xmlCompositeObjectMapping.getKeepAsElementPolicy()); } if(xmlDescriptor != null){ if (xmlDescriptor.hasInheritance()) { unmarshalRecord.setAttributes(atts); Class clazz = ((ObjectBuilder)xmlDescriptor.getObjectBuilder()).classFromRow(unmarshalRecord, unmarshalRecord.getSession()); if (clazz == 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) { clazz = (Class)indicator; } } } if (clazz != null) { xmlDescriptor = (Descriptor)unmarshalRecord.getSession().getDescriptor(clazz); } else { // since there is no xsi:type attribute, use the reference descriptor set // 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()); } } } UnmarshalRecord childRecord = unmarshalRecord.getChildUnmarshalRecord((ObjectBuilder) xmlDescriptor.getObjectBuilder()); childRecord.setSelfRecord(true); unmarshalRecord.setChildRecord(childRecord); childRecord.startDocument(); childRecord.initializeRecord(this.xmlCompositeObjectMapping); return childRecord; } else{ return null; } } catch (SAXException e) { throw XMLMarshalException.unmarshalException(e); } } @Override public void setNullValue(Object object, CoreSession session) { xmlCompositeObjectMapping.setAttributeValueInObject(object, null); } @Override public boolean isNullCapableValue() { if(xmlCompositeObjectMapping.getAttributeAccessor().isInstanceVariableAttributeAccessor() && !xmlCompositeObjectMapping.hasConverter()) { return false; } Field xmlField = (Field)xmlCompositeObjectMapping.getField(); if (xmlField.getLastXPathFragment().isSelfFragment) { return false; } return xmlCompositeObjectMapping.getNullPolicy().getIsSetPerformedForAbsentNode(); } @Override public CompositeObjectMapping getMapping() { return xmlCompositeObjectMapping; } @Override protected void setOrAddAttributeValue(UnmarshalRecord unmarshalRecord, Object value, XPathFragment xPathFragment, Object collection){ unmarshalRecord.setAttributeValue(value, xmlCompositeObjectMapping); } }




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