| /* |
| * Copyright (c) 2011, 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: |
| // Blaise Doughan - 2.2 - initial implementation |
| package org.eclipse.persistence.internal.oxm.record.deferred; |
| |
| import org.eclipse.persistence.exceptions.XMLMarshalException; |
| import org.eclipse.persistence.internal.oxm.XMLRelationshipMappingNodeValue; |
| import org.eclipse.persistence.internal.oxm.XPathFragment; |
| import org.eclipse.persistence.internal.oxm.mappings.Descriptor; |
| import org.eclipse.persistence.internal.oxm.mappings.Field; |
| import org.eclipse.persistence.internal.oxm.mappings.Mapping; |
| import org.eclipse.persistence.internal.oxm.record.UnmarshalRecord; |
| import org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| |
| public abstract class CompositeMappingContentHandler extends DeferredContentHandler { |
| |
| /** The AbstractNullPolicy associated with the mapping using this handler */ |
| protected AbstractNullPolicy nullPolicy; |
| protected Attributes attributes; |
| protected Mapping mapping; |
| protected XPathFragment xPathFragment; |
| protected Descriptor xmlDescriptor; |
| |
| protected CompositeMappingContentHandler(UnmarshalRecord parentRecord, Mapping aMapping, Attributes atts, AbstractNullPolicy aNullPolicy, XPathFragment aFragment, Descriptor aDescriptor) { |
| super(parentRecord); |
| mapping = aMapping; |
| nullPolicy = aNullPolicy; |
| xPathFragment = aFragment; |
| xmlDescriptor = aDescriptor; |
| try { |
| attributes = buildAttributeList(atts); |
| } catch(SAXException e) { |
| } |
| } |
| |
| protected abstract XMLRelationshipMappingNodeValue getNodeValue(); |
| |
| /** |
| * INTERNAL: |
| * Create an empty object to be used by empty, complex or simple events. |
| * A childRecord is created on the parent UnmarshalRecord. |
| */ |
| protected void createEmptyObject() { |
| try { |
| // Instantiate a new object |
| Field xmlFld = (Field)mapping.getField(); |
| if (xmlFld.hasLastXPathFragment()) { |
| getParent().setLeafElementType(xmlFld.getLastXPathFragment().getLeafElementType()); |
| } |
| // Create a childRecord on the parent UnmarshalRecord |
| getNodeValue().processChild(xPathFragment, getParent(), attributes, xmlDescriptor, mapping); |
| } catch (SAXException e) { |
| throw XMLMarshalException.unmarshalException(e); |
| } |
| } |
| |
| @Override |
| protected void processEmptyElementWithAttributes() throws SAXException { |
| processComplexElement(); |
| } |
| |
| @Override |
| protected void processComplexElement() throws SAXException { |
| // Remove original startElement event as it has been precluded by the startElement call below |
| getEvents().remove(0); |
| createEmptyObject(); |
| // execute events on the child |
| executeEvents(getParent().getChildRecord()); |
| } |
| |
| @Override |
| protected void processSimpleElement() throws SAXException { |
| // Remove original startElement event as it has been precluded by the startElement call below |
| getEvents().remove(0); |
| // testcase: <team><manager>10</manager></team> where 10=text() or id mapping |
| createEmptyObject(); |
| executeEvents(getParent().getChildRecord()); |
| } |
| |
| } |