/*******************************************************************************
* Copyright (c) 1998, 2012 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 v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.internal.oxm;
import java.util.Collection;
import java.util.Map;
import org.eclipse.persistence.internal.oxm.record.MarshalContext;
import org.eclipse.persistence.internal.oxm.record.UnmarshalContext;
import org.eclipse.persistence.internal.sessions.AbstractSession;
import org.eclipse.persistence.oxm.NamespaceResolver;
import org.eclipse.persistence.oxm.XMLField;
import org.eclipse.persistence.oxm.mappings.XMLBinaryDataCollectionMapping;
import org.eclipse.persistence.oxm.mappings.XMLChoiceCollectionMapping;
import org.eclipse.persistence.oxm.mappings.XMLCollectionReferenceMapping;
import org.eclipse.persistence.oxm.mappings.XMLCompositeCollectionMapping;
import org.eclipse.persistence.oxm.mappings.XMLCompositeDirectCollectionMapping;
import org.eclipse.persistence.oxm.mappings.XMLMapping;
import org.eclipse.persistence.oxm.record.MarshalRecord;
import org.eclipse.persistence.oxm.record.UnmarshalRecord;
import org.eclipse.persistence.sessions.Session;
import org.eclipse.persistence.internal.queries.ContainerPolicy;
import org.xml.sax.Attributes;
/**
* INTERNAL:
* <p><b>Purpose</b>: This is how the XML Choice Collection Mapping is
* handled when used with the TreeObjectBuilder.</p>
* @author mmacivor
*/
public class XMLChoiceCollectionMappingUnmarshalNodeValue extends NodeValue implements ContainerValue {
private NodeValue choiceElementNodeValue;
private NodeValue choiceElementMarshalNodeValue;
private XMLChoiceCollectionMapping xmlChoiceCollectionMapping;
private Map<XMLField, NodeValue> fieldToNodeValues;
private XMLField xmlField;
private ContainerValue containerNodeValue;
private boolean isMixedNodeValue;
private int index = -1;
public XMLChoiceCollectionMappingUnmarshalNodeValue(XMLChoiceCollectionMapping mapping, XMLField xmlField) {
this.xmlChoiceCollectionMapping = mapping;
this.xmlField = xmlField;
initializeNodeValue();
}
public boolean isOwningNode(XPathFragment xPathFragment) {
if(isMixedNodeValue) {
if(xPathFragment.nameIsText()) {
return true;
} else {
return false;
}
}
return choiceElementNodeValue.isOwningNode(xPathFragment);
}
private void initializeNodeValue() {
XMLMapping xmlMapping = xmlChoiceCollectionMapping.getChoiceElementMappings().get(xmlField);
if(xmlMapping instanceof XMLBinaryDataCollectionMapping) {
choiceElementNodeValue = new XMLBinaryDataCollectionMappingNodeValue((XMLBinaryDataCollectionMapping)xmlMapping);
choiceElementMarshalNodeValue = choiceElementNodeValue;
} else if(xmlMapping instanceof XMLCompositeDirectCollectionMapping) {
choiceElementNodeValue = new XMLCompositeDirectCollectionMappingNodeValue((XMLCompositeDirectCollectionMapping)xmlMapping);
choiceElementMarshalNodeValue = choiceElementNodeValue;
} else if(xmlMapping instanceof XMLCompositeCollectionMapping){
choiceElementNodeValue = new XMLCompositeCollectionMappingNodeValue((XMLCompositeCollectionMapping)xmlMapping);
choiceElementMarshalNodeValue = choiceElementNodeValue;
} else {
choiceElementNodeValue = new XMLCollectionReferenceMappingNodeValue((XMLCollectionReferenceMapping)xmlMapping, xmlField);
choiceElementMarshalNodeValue = new XMLCollectionReferenceMappingMarshalNodeValue((XMLCollectionReferenceMapping)xmlMapping);
}
}
public void setContainerNodeValue(XMLChoiceCollectionMappingUnmarshalNodeValue nodeValue) {
this.containerNodeValue = nodeValue;
}
public void setNullValue(Object object, Session session) {
xmlChoiceCollectionMapping.setAttributeValueInObject(object, null);
}
public void endElement(XPathFragment xPathFragment, UnmarshalRecord unmarshalRecord) {
Object collection = unmarshalRecord.getContainerInstance(this.containerNodeValue);
if(null != xmlChoiceCollectionMapping.getConverter()) {
UnmarshalContext unmarshalContext = unmarshalRecord.getUnmarshalContext();
unmarshalRecord.setUnmarshalContext(new ChoiceUnmarshalContext(unmarshalContext, xmlChoiceCollectionMapping.getConverter()));
this.choiceElementNodeValue.endElement(xPathFragment, unmarshalRecord, collection);
unmarshalRecord.setUnmarshalContext(unmarshalContext);
} else {
this.choiceElementNodeValue.endElement(xPathFragment, unmarshalRecord, collection);
}
}
public boolean startElement(XPathFragment xPathFragment, UnmarshalRecord unmarshalRecord, Attributes atts) {
return this.choiceElementNodeValue.startElement(xPathFragment, unmarshalRecord, atts);
}
public void setXPathNode(XPathNode xPathNode) {
super.setXPathNode(xPathNode);
this.choiceElementNodeValue.setXPathNode(xPathNode);
}
public Object getContainerInstance() {
return getContainerPolicy().containerInstance();
}
public void setContainerInstance(Object object, Object containerInstance) {
xmlChoiceCollectionMapping.setAttributeValueInObject(object, containerInstance);
}
public ContainerPolicy getContainerPolicy() {
return xmlChoiceCollectionMapping.getContainerPolicy();
}
public boolean isContainerValue() {
return true;
}
public boolean marshalSingleValue(XPathFragment xPathFragment, MarshalRecord marshalRecord, Object object, Object value, AbstractSession session, NamespaceResolver namespaceResolver, MarshalContext marshalContext) {
//empty impl in the unmarshal node value
return false;
}
public boolean marshal(XPathFragment xPathFragment, MarshalRecord marshalRecord, Object object, AbstractSession session, NamespaceResolver namespaceResolver) {
//dummy impl in the unmarshal node value
return false;
}
public NodeValue getChoiceElementNodeValue() {
return this.choiceElementNodeValue;
}
public NodeValue getChoiceElementMarshalNodeValue() {
return this.choiceElementMarshalNodeValue;
}
public boolean isUnmarshalNodeValue() {
return true;
}
public boolean isMarshalNodeValue() {
return false;
}
public XMLChoiceCollectionMapping getMapping() {
return xmlChoiceCollectionMapping;
}
public boolean getReuseContainer() {
return getMapping().getReuseContainer();
}
public void setFieldToNodeValues(Map<XMLField, NodeValue> fieldToNodeValues) {
this.fieldToNodeValues = fieldToNodeValues;
}
public Collection<NodeValue> getAllNodeValues() {
return this.fieldToNodeValues.values();
}
/**
* The underlying choice element node value will handle attributes.
*
*/
public void attribute(UnmarshalRecord unmarshalRecord, String URI, String localName, String value) {
this.choiceElementNodeValue.attribute(unmarshalRecord, URI, localName, value);
}
/**
* INTERNAL:
* Indicates that this is the choice mapping node value that represents the mixed content.
*/
public void setIsMixedNodeValue(boolean isMixed) {
this.isMixedNodeValue = isMixed;
}
/**
* INTERNAL:
* Return true if this is the node value representing mixed content.
*/
public boolean isMixedContentNodeValue() {
return this.isMixedNodeValue;
}
/**
* INTERNAL:
* Used to track the index of the corresponding containerInstance in the containerInstances Object[] on UnmarshalRecord
*/
public void setIndex(int index){
this.index = index;
}
/**
* INTERNAL:
* Set to track the index of the corresponding containerInstance in the containerInstances Object[] on UnmarshalRecord
* Set during TreeObjectBuilder initialization
*/
public int getIndex(){
return index;
}
/**
* INTERNAL
* Return true if an empty container should be set on the object if there
* is no presence of the collection in the XML document.
* @since EclipseLink 2.3.3
*/
public boolean isDefaultEmptyContainer() {
return getMapping().isDefaultEmptyContainer();
}
}