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/*
* Copyright (c) 2011, 2018 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;
public 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: 10 where 10=text() or id mapping
createEmptyObject();
executeEvents(getParent().getChildRecord());
}
}