/*******************************************************************************
* Copyright (c) 1998, 2009 Oracle. 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.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Vector;
import javax.xml.namespace.QName;
import org.eclipse.persistence.descriptors.ClassDescriptor;
import org.eclipse.persistence.exceptions.DatabaseException;
import org.eclipse.persistence.exceptions.DescriptorException;
import org.eclipse.persistence.exceptions.QueryException;
import org.eclipse.persistence.expressions.Expression;
import org.eclipse.persistence.internal.descriptors.Namespace;
import org.eclipse.persistence.internal.descriptors.ObjectBuilder;
import org.eclipse.persistence.internal.helper.DatabaseField;
import org.eclipse.persistence.internal.identitymaps.CacheKey;
import org.eclipse.persistence.internal.oxm.WeakObjectWrapper;
import org.eclipse.persistence.internal.queries.JoinedAttributeManager;
import org.eclipse.persistence.internal.sessions.AbstractRecord;
import org.eclipse.persistence.internal.sessions.AbstractSession;
import org.eclipse.persistence.mappings.DatabaseMapping;
import org.eclipse.persistence.oxm.NamespaceResolver;
import org.eclipse.persistence.oxm.XMLConstants;
import org.eclipse.persistence.oxm.XMLDescriptor;
import org.eclipse.persistence.oxm.XMLField;
import org.eclipse.persistence.oxm.XMLLogin;
import org.eclipse.persistence.oxm.XMLMarshaller;
import org.eclipse.persistence.oxm.XMLUnmarshaller;
import org.eclipse.persistence.oxm.mappings.XMLMapping;
import org.eclipse.persistence.oxm.record.DOMRecord;
import org.eclipse.persistence.oxm.record.XMLRecord;
import org.eclipse.persistence.oxm.documentpreservation.DocumentPreservationPolicy;
import org.eclipse.persistence.oxm.schema.XMLSchemaReference;
import org.eclipse.persistence.queries.ObjectBuildingQuery;
import org.eclipse.persistence.sessions.SessionProfiler;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* INTERNAL:
* <p><b>Purpose</b>: Object-to-XML specific ObjectBuilder.</p>
* @author Rick Barkhouse - rick.barkhouse@oracle.com
* @since TopLink 10<i>i</i>, 03/31/2003 16:29:40
*/
public class XMLObjectBuilder extends ObjectBuilder {
private Boolean isXMLDescriptor;
/**
* Create an XML object builder for the descriptor.
*/
public XMLObjectBuilder(ClassDescriptor descriptor) {
super(descriptor);
}
/**
* Build the nested row into the parent dom.
*/
public AbstractRecord buildRow(Object object, AbstractSession session, DatabaseField xmlField, XMLRecord parentRecord) {
return buildRow(object, session, xmlField, parentRecord, false);
}
/**
* Build the nested row into the parent dom.
*/
public AbstractRecord buildRow(Object object, AbstractSession session, DatabaseField xmlField, XMLRecord parentRecord, boolean addXsiType) {
if (isXmlDescriptor() && ((XMLDescriptor)getDescriptor()).shouldPreserveDocument()) {
Vector pk = extractPrimaryKeyFromObject(object, session);
if ((pk == null) || (pk.size() == 0)) {
pk = new Vector();
pk.addElement(new WeakObjectWrapper(object));
}
CacheKey cacheKey = session.getIdentityMapAccessorInstance().getCacheKeyForObject(pk, getDescriptor().getJavaClass(), getDescriptor());
if ((cacheKey != null) && (cacheKey.getRecord() != null)) {
XMLRecord nestedRecord = (XMLRecord)cacheKey.getRecord();
nestedRecord.setMarshaller(parentRecord.getMarshaller());
nestedRecord.setLeafElementType(parentRecord.getLeafElementType());
parentRecord.setLeafElementType(null);
return buildIntoNestedRow(nestedRecord, object, session, addXsiType);
}
}
Element newNode = XPathEngine.getInstance().createUnownedElement(parentRecord.getDOM(), (XMLField)xmlField);
XMLRecord nestedRecord = new DOMRecord(newNode);
nestedRecord.setNamespaceResolver(parentRecord.getNamespaceResolver());
nestedRecord.setMarshaller(parentRecord.getMarshaller());
nestedRecord.setLeafElementType(parentRecord.getLeafElementType());
parentRecord.setLeafElementType(null);
return buildIntoNestedRow(nestedRecord, object, session, addXsiType);
}
/**
* Create a new row/record for the object builder.
* This allows subclasses to define different record types.
*/
public AbstractRecord createRecord(AbstractSession session) {
return createRecord(getDescriptor().getTableName(), session);
}
/**
* Create a new row/record for the object builder.
* This allows subclasses to define different record types.
*/
public AbstractRecord createRecord(int size, AbstractSession session) {
return createRecord(getDescriptor().getTableName(), session);
}
/**
* Create a new row/record for the object builder with the given name. This
* allows subclasses to define different record types.
*/
public AbstractRecord createRecord(String rootName, AbstractSession session) {
NamespaceResolver namespaceResolver = getNamespaceResolver();
XMLRecord xmlRec = new DOMRecord(rootName, namespaceResolver);
xmlRec.setSession(session);
return xmlRec;
}
/**
* Create a new row/record for the object builder with the given name and
* namespace resolver instead of the namespace resolver from the descriptor.
* This allows subclasses to define different record types.
*/
public AbstractRecord createRecord(String rootName, String rootUri, AbstractSession session) {
XMLRecord xmlRec = new DOMRecord(rootName, rootUri);
xmlRec.setSession(session);
return xmlRec;
}
/**
* Create a new row/record for the object builder with the given name. This
* allows subclasses to define different record types.
*/
public AbstractRecord createRecord(String rootName, Node parent, AbstractSession session) {
NamespaceResolver namespaceResolver = getNamespaceResolver();
XMLRecord xmlRec = new DOMRecord(rootName, namespaceResolver, parent);
xmlRec.setSession(session);
return xmlRec;
}
public AbstractRecord createRecordFor(Object attributeValue, XMLField xmlField, XMLRecord parentRecord, XMLMapping mapping) {
DocumentPreservationPolicy policy = parentRecord.getDocPresPolicy();
Element newNode = null;
if(policy != null) {
newNode = (Element)policy.getNodeForObject(attributeValue);
}
if(newNode == null) {
newNode = XPathEngine.getInstance().createUnownedElement(parentRecord.getDOM(), xmlField);
if(xmlField.isSelfField()) {
policy.addObjectToCache(attributeValue, newNode, mapping);
} else {
policy.addObjectToCache(attributeValue, newNode);
}
}
XMLRecord nestedRecord = new DOMRecord(newNode);
nestedRecord.setMarshaller(parentRecord.getMarshaller());
nestedRecord.setLeafElementType(parentRecord.getLeafElementType());
parentRecord.setLeafElementType(null);
nestedRecord.setDocPresPolicy(policy);
return nestedRecord;
}
public AbstractRecord createRecordFor(Object object, DocumentPreservationPolicy docPresPolicy) {
Element cachedNode = null;
XMLRecord record = null;
if(docPresPolicy != null) {
cachedNode = (Element)docPresPolicy.getNodeForObject(object);
}
if(cachedNode == null) {
record = new DOMRecord(getDescriptor().getTableName(), getNamespaceResolver());
docPresPolicy.addObjectToCache(object, record.getDOM());
} else {
record = new DOMRecord(cachedNode);
}
record.setDocPresPolicy(docPresPolicy);
return record;
}
public AbstractRecord createRecordFor(Object object, DocumentPreservationPolicy docPresPolicy, String rootName, String rootUri) {
Element cachedNode = null;
XMLRecord record = null;
if(docPresPolicy != null) {
cachedNode = (Element)docPresPolicy.getNodeForObject(object);
}
if(cachedNode == null) {
record = new DOMRecord(rootName, rootUri);
docPresPolicy.addObjectToCache(object, record.getDOM());
} else {
record = new DOMRecord(cachedNode);
}
record.setDocPresPolicy(docPresPolicy);
return record;
}
/**
* Create a new row/record for the object builder. This allows subclasses to
* define different record types. This will typically be called when a
* record will be used for temporarily holding on to primary key fields.
*/
protected AbstractRecord createRecordForPKExtraction(int size, AbstractSession session) {
NamespaceResolver namespaceResolver = getNamespaceResolver();
XMLRecord xmlRec = new DOMRecord(getDescriptor().getTableName(), namespaceResolver);
xmlRec.setSession(session);
return xmlRec;
}
/**
* INTERNAL: Override the parent's buildObject to allow for the caching of
* aggregate objects in OX. By caching aggregates along with XML Nodes that
* they were created from, we are able to preserve the structure and
* unmapped content of the document that was used to create these objects.
*/
public Object buildObject(ObjectBuildingQuery query, AbstractRecord databaseRow, JoinedAttributeManager joinManager) throws DatabaseException, QueryException {
XMLRecord row = (XMLRecord)databaseRow;
row.setSession(query.getSession());
XMLUnmarshaller unmarshaller = row.getUnmarshaller();
Object parent = row.getOwningObject();
Vector pk = extractPrimaryKeyFromRow(databaseRow, query.getSession());
if (!(isXmlDescriptor() || getDescriptor().isAggregateDescriptor() || getDescriptor().isAggregateCollectionDescriptor())) {
return super.buildObject(query, databaseRow, joinManager);
}
query.getSession().startOperationProfile(SessionProfiler.OBJECT_BUILDING, query, SessionProfiler.ALL);
ClassDescriptor concreteDescriptor = getDescriptor();
Object domainObject = null;
// only need to check in the root case since the nested case is handled
// in the mapping
if (concreteDescriptor.hasInheritance() && (parent == null)) {
// look for an xsi:type attribute in the xml document
Class classValue = concreteDescriptor.getInheritancePolicy().classFromRow(databaseRow, query.getSession());
if ((classValue == null) && isXmlDescriptor()) {
// no xsi:type attribute - look for type indicator on the
// default root element
QName leafElementType = ((XMLDescriptor)concreteDescriptor).getDefaultRootElementType();
// if we have a user-set type, try to get the class from the
// inheritance policy
if (leafElementType != null) {
Object indicator = concreteDescriptor.getInheritancePolicy().getClassIndicatorMapping().get(leafElementType);
// if the inheritance policy does not contain the user-set
// type, throw an exception
if (indicator == null) {
throw DescriptorException.missingClassForIndicatorFieldValue(leafElementType, concreteDescriptor.getInheritancePolicy().getDescriptor());
}
classValue = (Class)indicator;
}
}
// if we found the class, use it - otherwise, use the descriptor
// class, if non-abstract
if (classValue != null) {
concreteDescriptor = query.getSession().getDescriptor(classValue);
if ((concreteDescriptor == null) && query.hasPartialAttributeExpressions()) {
concreteDescriptor = getDescriptor();
}
if (concreteDescriptor == null) {
throw QueryException.noDescriptorForClassFromInheritancePolicy(query, classValue);
}
} else {
// make sure the class is non-abstract
if (Modifier.isAbstract(concreteDescriptor.getJavaClass().getModifiers())) {
// throw an exception
throw DescriptorException.missingClassIndicatorField(databaseRow, concreteDescriptor.getInheritancePolicy().getDescriptor());
}
}
}
domainObject = concreteDescriptor.getObjectBuilder().buildNewInstance();
row.setCurrentObject(domainObject);
if ((unmarshaller != null) && (unmarshaller.getUnmarshalListener() != null)) {
unmarshaller.getUnmarshalListener().beforeUnmarshal(domainObject, parent);
}
concreteDescriptor.getObjectBuilder().buildAttributesIntoObject(domainObject, databaseRow, query, joinManager, false);
if (isXmlDescriptor() && ((XMLDescriptor)concreteDescriptor).getPrimaryKeyFieldNames().size() > 0) {
if ((pk == null) || (pk.size() == 0)) {
pk = new Vector();
pk.addElement(new WeakObjectWrapper(domainObject));
}
CacheKey key = query.getSession().getIdentityMapAccessorInstance().acquireDeferredLock(pk, concreteDescriptor.getJavaClass(), concreteDescriptor);
if (((XMLDescriptor)concreteDescriptor).shouldPreserveDocument()) {
key.setRecord(databaseRow);
}
key.setObject(domainObject);
key.releaseDeferredLock();
}
DocumentPreservationPolicy docPresPolicy = ((DOMRecord)row).getDocPresPolicy();
if(docPresPolicy != null) {
//EIS XML Cases won't have a doc pres policy set
((DOMRecord)row).getDocPresPolicy().addObjectToCache(domainObject, ((DOMRecord)row).getDOM());
}
query.getSession().endOperationProfile(SessionProfiler.OBJECT_BUILDING, query, SessionProfiler.ALL);
if ((unmarshaller != null) && (unmarshaller.getUnmarshalListener() != null)) {
unmarshaller.getUnmarshalListener().afterUnmarshal(domainObject, parent);
}
return domainObject;
}
public AbstractRecord buildRow(AbstractRecord databaseRow, Object object, AbstractSession session) {
return buildRow(databaseRow, object, session, false);
}
public AbstractRecord buildRow(AbstractRecord databaseRow, Object object, AbstractSession session, boolean wasXMLRoot) {
XMLRecord row = (XMLRecord)databaseRow;
row.setSession(session);
XMLMarshaller marshaller = row.getMarshaller();
if ((marshaller != null) && (marshaller.getMarshalListener() != null)) {
marshaller.getMarshalListener().beforeMarshal(object);
}
writeOutMappings(row, object, session);
// PERF: Avoid synchronized enumerator as is concurrency bottleneck.
// If this descriptor is involved in inheritance add the class type.
if (getDescriptor().hasInheritance()) {
boolean shouldAddClassIndicatorFieldToRow = true;
if (isXmlDescriptor() && !wasXMLRoot) {
XMLDescriptor xmlDescriptor = (XMLDescriptor)getDescriptor();
if ((xmlDescriptor.getDefaultRootElementType() != null) && (xmlDescriptor.getSchemaReference() != null)) {
XMLSchemaReference xmlRef = xmlDescriptor.getSchemaReference();
if ((xmlRef.getType() == 1) && xmlRef.isGlobalDefinition()) {
QName ctx = xmlRef.getSchemaContextAsQName(xmlDescriptor.getNamespaceResolver());
if (ctx != null) {
// at this point we are either writing out the
// schema context or nothing at all
shouldAddClassIndicatorFieldToRow = false;
if (!ctx.equals(xmlDescriptor.getDefaultRootElementType())) {
// need to write out ctx
row.add(xmlDescriptor.getInheritancePolicy().getClassIndicatorField(), xmlRef.getSchemaContext().substring(1));
}
}
}
}
}
if (shouldAddClassIndicatorFieldToRow) {
getDescriptor().getInheritancePolicy().addClassIndicatorFieldToRow(row);
}
}
// If this descriptor has multiple tables then we need to append the
// primary keys for
// the non default tables.
if (!getDescriptor().isAggregateDescriptor()) {
addPrimaryKeyForNonDefaultTable(row);
}
addNamespaceDeclarations((row).getDocument());
if ((marshaller != null) && (marshaller.getMarshalListener() != null)) {
marshaller.getMarshalListener().afterMarshal(object);
}
return row;
}
public void writeOutMappings(XMLRecord row, Object object, AbstractSession session) {
Vector mappings = getDescriptor().getMappings();
for (int index = 0; index < mappings.size(); index++) {
DatabaseMapping mapping = (DatabaseMapping)mappings.get(index);
mapping.writeFromObjectIntoRow(object, row, session);
}
}
public void addNamespaceDeclarations(Document document) {
NamespaceResolver namespaceResolver = getNamespaceResolver();
if (namespaceResolver == null) {
return;
}
Element docElement = document.getDocumentElement();
if(namespaceResolver.getDefaultNamespaceURI() != null) {
docElement.setAttributeNS(XMLConstants.XMLNS_URL, XMLConstants.XMLNS, namespaceResolver.getDefaultNamespaceURI());
}
Enumeration prefixes = namespaceResolver.getPrefixes();
String prefix;
String namespace;
while (prefixes.hasMoreElements()) {
prefix = (String)prefixes.nextElement();
namespace = namespaceResolver.resolveNamespacePrefix(prefix);
docElement.setAttributeNS(XMLConstants.XMLNS_URL, XMLConstants.XMLNS + ":" + prefix, namespace);
}
}
/**
* Override method in superclass in order to set the session on the record.
* Each mapping is recursed to assign values from the Record to the attributes in the domain object.
*/
public void buildAttributesIntoObject(Object domainObject, AbstractRecord databaseRow, ObjectBuildingQuery query, JoinedAttributeManager joinManager, boolean forRefresh) throws DatabaseException {
((XMLRecord)databaseRow).setSession(query.getSession().getExecutionSession(query));
super.buildAttributesIntoObject(domainObject, databaseRow, query, joinManager, forRefresh);
}
/**
* Override method in superclass in order to set the session on the record.
* Return the row with primary keys and their values from the given expression.
*/
public AbstractRecord extractPrimaryKeyRowFromExpression(Expression expression, AbstractRecord translationRow, AbstractSession session) {
AbstractRecord primaryKeyRow = createRecord(getPrimaryKeyMappings().size(), session);
expression.getBuilder().setSession(session.getRootSession(null));
// Get all the field & values from expression
boolean isValid = expression.extractPrimaryKeyValues(true, getDescriptor(), primaryKeyRow, translationRow);
if (!isValid) {
return null;
}
// Check that the sizes match up
if (primaryKeyRow.size() != getDescriptor().getPrimaryKeyFields().size()) {
return null;
}
return primaryKeyRow;
}
/**
* Override method in superclass in order to set the session on the record.
* Return the row with primary keys and their values from the given expression.
*/
public Vector extractPrimaryKeyFromExpression(boolean requiresExactMatch, Expression expression, AbstractRecord translationRow, AbstractSession session) {
AbstractRecord primaryKeyRow = createRecord(getPrimaryKeyMappings().size(), session);
expression.getBuilder().setSession(session.getRootSession(null));
// Get all the field & values from expression.
boolean isValid = expression.extractPrimaryKeyValues(requiresExactMatch, getDescriptor(), primaryKeyRow, translationRow);
if (requiresExactMatch && (!isValid)) {
return null;
}
// Check that the sizes match.
if (primaryKeyRow.size() != getDescriptor().getPrimaryKeyFields().size()) {
return null;
}
return extractPrimaryKeyFromRow(primaryKeyRow, session);
}
public Vector extractPrimaryKeyFromObject(Object domainObject, AbstractSession session) {
if (getDescriptor().hasInheritance() && (domainObject.getClass() != getDescriptor().getJavaClass()) && (!domainObject.getClass().getSuperclass().equals(getDescriptor().getJavaClass()))) {
return session.getDescriptor(domainObject).getObjectBuilder().extractPrimaryKeyFromObject(domainObject, session);
}
if (getDescriptor().getPrimaryKeyFields().size() == 0) {
return null;
}
return super.extractPrimaryKeyFromObject(domainObject, session);
}
public AbstractRecord buildIntoNestedRow(AbstractRecord row, Object object, AbstractSession session) {
return buildIntoNestedRow(row, object, session, false);
}
public AbstractRecord buildIntoNestedRow(AbstractRecord row, Object object, AbstractSession session, boolean shouldWriteXsiType) {
// PERF: Avoid synchronized enumerator as is concurrency bottleneck.
XMLRecord record = (XMLRecord)row;
record.setSession(session);
XMLMarshaller marshaller = record.getMarshaller();
if ((marshaller != null) && (marshaller.getMarshalListener() != null)) {
marshaller.getMarshalListener().beforeMarshal(object);
}
List extraNamespaces = null;
if (isXmlDescriptor()) {
XMLDescriptor xmlDescriptor = (XMLDescriptor)getDescriptor();
extraNamespaces = addExtraNamespacesToNamespaceResolver(xmlDescriptor, record, session);
writeExtraNamespaces(extraNamespaces, record);
}
writeOutMappings(record, object, session);
// If this descriptor is involved in inheritance add the class type.
if (isXmlDescriptor()) {
XMLDescriptor xmlDescriptor = (XMLDescriptor)getDescriptor();
XMLSchemaReference xmlRef = xmlDescriptor.getSchemaReference();
if (shouldWriteXsiType) {
writeXsiTypeAttribute(xmlDescriptor, (DOMRecord)record, xmlRef.getSchemaContext().substring(1));
}
if (getDescriptor().hasInheritance()) {
if ((record.getLeafElementType() != null) && ((xmlRef.getType() == 1) && xmlRef.isGlobalDefinition())) {
// only interested in global COMPLEX_TYPE
QName ctxQName = xmlRef.getSchemaContextAsQName(xmlDescriptor.getNamespaceResolver());
if (ctxQName.equals(record.getLeafElementType())) {
// don't write out xsi:type attribute
} else {
// write out the target descriptor's schema context as xsi:type
XMLField xmlField = (XMLField)xmlDescriptor.getInheritancePolicy().getClassIndicatorField();
if (xmlField.getLastXPathFragment().isAttribute()) {
writeXsiTypeAttribute(xmlDescriptor, (DOMRecord)record, xmlRef.getSchemaContext().substring(1));
} else {
writeXsiTypeAttribute(xmlDescriptor, (DOMRecord)record, xmlRef.getSchemaContext().substring(1));
}
}
// if the user has set the element type, but the target descriptor's
// schema context in not a global complex type or is null, delegate
// the work to the inheritance policy
} else {
// no user-set element type, so proceed via inheritance policy
if (!xmlDescriptor.getInheritancePolicy().hasClassExtractor()) {
XMLField xmlField = (XMLField)xmlDescriptor.getInheritancePolicy().getClassIndicatorField();
if (xmlField.getLastXPathFragment().isAttribute()) {
getDescriptor().getInheritancePolicy().addClassIndicatorFieldToRow(row);
} else {
getDescriptor().getInheritancePolicy().addClassIndicatorFieldToRow(row);
}
}
}
}
removeExtraNamespacesFromNamespaceResolver(record, extraNamespaces, session);
}
// If this descriptor has multiple tables then we need to append the
// primary keys for
// the non default tables.
if (!getDescriptor().isAggregateDescriptor()) {
addPrimaryKeyForNonDefaultTable(row);
}
if ((marshaller != null) && (marshaller.getMarshalListener() != null)) {
marshaller.getMarshalListener().afterMarshal(object);
}
return row;
}
private void writeXsiTypeAttribute(XMLDescriptor xmlDescriptor, DOMRecord row, String typeValue) {
String xsiPrefix = null;
boolean generated = false;
xsiPrefix = row.getNamespaceResolver().resolveNamespaceURI(XMLConstants.SCHEMA_INSTANCE_URL);
if (xsiPrefix == null) {
xsiPrefix = xmlDescriptor.getNonNullNamespaceResolver().generatePrefix(XMLConstants.SCHEMA_INSTANCE_PREFIX);
generated = true;
writeXsiNamespace(row, xsiPrefix);
}
XMLField xmlField = (XMLField)xmlDescriptor.buildField("@" + xsiPrefix + ":" + XMLConstants.SCHEMA_TYPE_ATTRIBUTE);
if (generated) {
xmlField.getLastXPathFragment().setGeneratedPrefix(true);
}
xmlField.getLastXPathFragment().setNamespaceURI(XMLConstants.SCHEMA_INSTANCE_URL);
row.add(xmlField, typeValue);
}
private void writeXsiNamespace(DOMRecord nestedRecord, String xsiPrefix) {
if(nestedRecord.getDOM().getNodeType() == Node.ELEMENT_NODE) {
((Element)nestedRecord.getDOM()).setAttributeNS(XMLConstants.XMLNS_URL, XMLConstants.XMLNS + ":" + xsiPrefix, XMLConstants.SCHEMA_INSTANCE_URL);
}
}
public NamespaceResolver getNamespaceResolver() {
NamespaceResolver namespaceResolver = null;
if (isXmlDescriptor()) {
namespaceResolver = ((XMLDescriptor)getDescriptor()).getNamespaceResolver();
} else if (getDescriptor() instanceof org.eclipse.persistence.eis.EISDescriptor) {
namespaceResolver = ((org.eclipse.persistence.eis.EISDescriptor)getDescriptor()).getNamespaceResolver();
}
return namespaceResolver;
}
/**
* Indicates if the object builder's descriptor is an XMLDescriptor.
* The value is lazily initialized.
*
* @return
*/
protected boolean isXmlDescriptor() {
if (isXMLDescriptor == null) {
isXMLDescriptor = getDescriptor() instanceof XMLDescriptor;
}
return isXMLDescriptor.booleanValue();
}
/**
* Set the descriptor. This method is overridden so the
* isXMLDescriptor Boolean can be reset.
*/
public void setDescriptor(ClassDescriptor aDescriptor) {
super.setDescriptor(aDescriptor);
isXMLDescriptor = null;
}
protected List addExtraNamespacesToNamespaceResolver(XMLDescriptor desc, XMLRecord marshalRecord, AbstractSession session) {
if (((XMLLogin)session.getDatasourceLogin()).hasEqualNamespaceResolvers()) {
return null;
}
List returnList = new ArrayList();
List namespaces = desc.getNonNullNamespaceResolver().getNamespaces();
for (int i = 0; i < namespaces.size(); i++) {
Namespace next = (Namespace)namespaces.get(i);
//if isn't already on a parentadd namespace to this element
// marshalRecord.resolveNamespacePrefix(next.getNamespaceURI());
String prefix = marshalRecord.getNamespaceResolver().resolveNamespaceURI(next.getNamespaceURI());
if ((prefix == null) || prefix.equals("")) {
//if there is no prefix already declared for this uri in the nr add this one
//marshalRecord.attribute(XMLConstants.XMLNS_URL, XMLConstants.XMLNS_URL, XMLConstants.XMLNS + ":" + next.getPrefix(), next.getNamespaceURI());
marshalRecord.getNamespaceResolver().put(next.getPrefix(), next.getNamespaceURI());
returnList.add(next);
} else {
//if prefix is the same do nothing
if (!prefix.equals(next.getPrefix())) {
//if prefix exists for uri but is different then add this
//marshalRecord.attribute(XMLConstants.XMLNS_URL, XMLConstants.XMLNS_URL, XMLConstants.XMLNS + ":" + next.getPrefix(), next.getNamespaceURI());
marshalRecord.getNamespaceResolver().put(next.getPrefix(), next.getNamespaceURI());
returnList.add(next);
}
}
}
return returnList;
}
public void writeExtraNamespaces(List extraNamespaces, XMLRecord xmlRecord) {
if(extraNamespaces == null){
return;
}
if(xmlRecord.getDOM().getNodeType() != Node.ELEMENT_NODE) {
return;
}
for (int i = 0; i < extraNamespaces.size(); i++) {
Namespace next = (Namespace)extraNamespaces.get(i);
((Element)xmlRecord.getDOM()).setAttributeNS(XMLConstants.XMLNS_URL, XMLConstants.XMLNS + ":" + next.getPrefix(), next.getNamespaceURI());
}
}
public void removeExtraNamespacesFromNamespaceResolver(XMLRecord marshalRecord, List extraNamespaces, AbstractSession session) {
if (extraNamespaces == null){
return;
}
for (int i = 0; i < extraNamespaces.size(); i++) {
Namespace nextExtraNamespace = (Namespace)extraNamespaces.get(i);
String uri = marshalRecord.getNamespaceResolver().resolveNamespacePrefix(nextExtraNamespace.getPrefix());
if ((uri != null) && uri.equals(nextExtraNamespace.getNamespaceURI())) {
marshalRecord.getNamespaceResolver().removeNamespace(nextExtraNamespace.getPrefix());
}
}
}
}