public synchronized XMLContext getXmlContext() {
if (xmlContext == null) {
xmlContext = new XMLContext(getTopLinkProject());
XMLConversionManager xmlConversionManager = getXmlConversionManager();
xmlConversionManager.setLoader(this.loader);
xmlConversionManager.setTimeZone(TimeZone.getTimeZone("GMT"));
xmlConversionManager.setTimeZoneQualified(true);
}
return xmlContext;
}
public XMLConversionManager getXmlConversionManager() {
XMLConversionManager xcm =
(XMLConversionManager)
getXmlContext()
.getSession(0)
.getDatasourceLogin()
.getDatasourcePlatform()
.getConversionManager();
xcm.setTrimGMonth(true);
return xcm;
}
/**
* INTERNAL: Extract the primary key values from the row, then create an
* org.eclipse.persistence.internal.oxm.Reference instance and stored it on the session's
* org.eclipse.persistence.internal.oxm.ReferenceResolver.
*/
public Object readFromRowIntoObject(
AbstractRecord databaseRow,
JoinedAttributeManager joinManager,
Object targetObject,
ObjectBuildingQuery sourceQuery,
AbstractSession executionSession)
throws DatabaseException {
ClassDescriptor descriptor = sourceQuery.getSession().getClassDescriptor(getReferenceClass());
ContainerPolicy cp = this.getContainerPolicy();
Vector pkFieldNames = referenceDescriptor.getPrimaryKeyFieldNames();
Vector primaryKeyValues = new Vector();
primaryKeyValues.setSize(pkFieldNames.size());
HashMap primaryKeyMap = new HashMap();
// for each source xmlField, get the value from the row and store
for (Iterator fieldIt = getFields().iterator(); fieldIt.hasNext(); ) {
XMLField fld = (XMLField) fieldIt.next();
XMLField tgtFld = (XMLField) getSourceToTargetKeyFieldAssociations().get(fld);
Object fieldValue = databaseRow.getValues(fld);
if ((fieldValue == null)
|| (fieldValue instanceof String)
|| !(fieldValue instanceof Vector)) {
return cp.containerInstance();
}
// fix for bug# 5687430
// need to get the actual type of the target (i.e. int, String, etc.)
// and use the converted value when checking the cache.
XMLConversionManager xmlConversionManager =
(XMLConversionManager) executionSession.getDatasourcePlatform().getConversionManager();
Vector newValues = new Vector();
for (Iterator valIt = ((Vector) fieldValue).iterator(); valIt.hasNext(); ) {
for (StringTokenizer stok = new StringTokenizer((String) valIt.next());
stok.hasMoreTokens(); ) {
Object value =
xmlConversionManager.convertObject(
stok.nextToken(), descriptor.getTypedField(tgtFld).getType());
if (value != null) {
newValues.add(value);
}
}
}
primaryKeyMap.put(tgtFld.getXPath(), newValues);
}
// store the Reference instance on the resolver for use during mapping resolution phase
ReferenceResolver resolver = ReferenceResolver.getInstance(sourceQuery.getSession());
if (resolver != null) {
resolver.addReference(new Reference(this, targetObject, referenceClass, primaryKeyMap));
}
return null;
}
/** INTERNAL: Add the field-value pair to the document. */
public void add(DatabaseField key, Object value) {
if (null == value) {
return;
}
XMLField xmlField = convertToXMLField(key);
XPathFragment lastFragment = xmlField.getLastXPathFragment();
XMLConversionManager xcm =
(XMLConversionManager) session.getDatasourcePlatform().getConversionManager();
if (lastFragment.nameIsText()) {
String stringValue = (String) xcm.convertObject(value, String.class);
characters(stringValue);
} else if (lastFragment.isAttribute()) {
String stringValue = (String) xcm.convertObject(value, String.class);
attribute(lastFragment, xmlField.getNamespaceResolver(), stringValue);
} else {
element(lastFragment);
}
}
/**
* INTERNAL: Create (if necessary) and populate a reference object that will be used during the
* mapping reference resolution phase after unmarshalling is complete.
*
* @param record
* @param xmlField
* @param object
* @param session
* @return
*/
public void buildReference(
UnmarshalRecord record, XMLField xmlField, Object object, AbstractSession session) {
ReferenceResolver resolver = ReferenceResolver.getInstance(session);
if (resolver == null) {
return;
}
Object srcObject = record.getCurrentObject();
Reference reference = resolver.getReference(this, srcObject);
// if reference is null, create a new instance and set it on the resolver
if (reference == null) {
reference = new Reference(this, srcObject, getReferenceClass(), new HashMap());
resolver.addReference(reference);
}
XMLField tgtFld = (XMLField) getSourceToTargetKeyFieldAssociations().get(xmlField);
String tgtXPath = tgtFld.getXPath();
Vector pks;
HashMap primaryKeyMap = reference.getPrimaryKeyMap();
if (primaryKeyMap.containsKey(tgtXPath)) {
pks = (Vector) primaryKeyMap.get(tgtXPath);
} else {
pks = new Vector();
primaryKeyMap.put(tgtXPath, pks);
}
ClassDescriptor descriptor = session.getClassDescriptor(getReferenceClass());
Class type = descriptor.getTypedField(tgtFld).getType();
XMLConversionManager xmlConversionManager =
(XMLConversionManager) session.getDatasourcePlatform().getConversionManager();
for (StringTokenizer stok = new StringTokenizer((String) object); stok.hasMoreTokens(); ) {
Object value = xmlConversionManager.convertObject(stok.nextToken(), type);
if (value != null) {
pks.add(value);
}
}
}
@SuppressWarnings("unchecked")
@Override
public void handleSqlType(String sqlTypeName, int typecode, String targetTypeName) {
if (!stac.isEmpty()) {
ListenerHelper listenerHelper = stac.pop();
if (listenerHelper.isAttribute()) {
AttributeFieldHelper attributeFieldHelper = (AttributeFieldHelper) listenerHelper;
attributeFieldHelper.setSqlTypeName(sqlTypeName);
String fieldName = attributeFieldHelper.attributeFieldName();
String attributeName = fieldName.toLowerCase();
ListenerHelper listenerHelper2 = stac.peek();
if (listenerHelper2.isObject()) {
ObjectTypeHelper objectTypeHelper = (ObjectTypeHelper) listenerHelper2;
XMLDescriptor xdesc = descriptorMap.get(objectTypeHelper.objectTypename());
DatabaseMapping dm = xdesc.getMappingForAttributeName(attributeName);
if (dm == null) {
XMLDirectMapping fieldMapping = new XMLDirectMapping();
fieldMapping.setAttributeName(attributeName);
XMLField xField = new XMLField(attributeName + "/text()");
xField.setRequired(true);
QName qnameFromDatabaseType = qnameFromDatabaseType(listenerHelper);
xField.setSchemaType(qnameFromDatabaseType);
// special case to avoid Calendar problems
if (qnameFromDatabaseType == DATE_QNAME) {
fieldMapping.setAttributeClassification(java.sql.Date.class);
xField.addXMLConversion(DATE_QNAME, java.sql.Date.class);
xField.addJavaConversion(java.sql.Date.class, DATE_QNAME);
xdesc.getNamespaceResolver().put(SCHEMA_PREFIX, W3C_XML_SCHEMA_NS_URI);
} else {
Class attributeClass =
(Class) XMLConversionManager.getDefaultXMLTypes().get(qnameFromDatabaseType);
if (attributeClass == null) {
attributeClass = Object_Class;
}
fieldMapping.setAttributeClassification(attributeClass);
}
fieldMapping.setField(xField);
AbstractNullPolicy nullPolicy = fieldMapping.getNullPolicy();
nullPolicy.setNullRepresentedByEmptyNode(false);
nullPolicy.setMarshalNullRepresentation(XSI_NIL);
nullPolicy.setNullRepresentedByXsiNil(true);
fieldMapping.setNullPolicy(nullPolicy);
xdesc
.getNamespaceResolver()
.put(
SCHEMA_INSTANCE_PREFIX,
W3C_XML_SCHEMA_INSTANCE_NS_URI); // to support xsi:nil policy
xdesc.addMapping(fieldMapping);
}
// last attribute, pop ObjectTypeHelper off stack
int numAttributes = objectTypeHelper.decrNumAttributes();
if (numAttributes == 0) {
stac.pop();
}
} else if (listenerHelper2.isArray()) {
SqlArrayTypeHelper sqlArrayTypeHelper = (SqlArrayTypeHelper) listenerHelper2;
XMLDescriptor xdesc = descriptorMap.get(sqlArrayTypeHelper.arrayTypename());
DatabaseMapping dm = xdesc.getMappingForAttributeName(attributeName);
if (dm == null) {
XMLCompositeDirectCollectionMapping dirCollectMapping =
new XMLCompositeDirectCollectionMapping();
SqltypeHelper componentType = new SqltypeHelper(sqlTypeName);
dirCollectMapping.setAttributeElementClass(
attributeClassFromDatabaseType((DefaultListenerHelper) componentType));
dirCollectMapping.setAttributeName(attributeName);
dirCollectMapping.setUsesSingleNode(true);
dirCollectMapping.setXPath(attributeName + "/text()");
XMLField xField = (XMLField) dirCollectMapping.getField();
xField.setRequired(true);
xField.setSchemaType(qnameFromDatabaseType(componentType));
dirCollectMapping.useCollectionClassName("java.util.ArrayList");
AbstractNullPolicy nullPolicy = dirCollectMapping.getNullPolicy();
nullPolicy.setNullRepresentedByEmptyNode(false);
nullPolicy.setMarshalNullRepresentation(XSI_NIL);
nullPolicy.setNullRepresentedByXsiNil(true);
dirCollectMapping.setNullPolicy(nullPolicy);
xdesc
.getNamespaceResolver()
.put(
SCHEMA_INSTANCE_PREFIX,
W3C_XML_SCHEMA_INSTANCE_NS_URI); // to support xsi:nil policy
xdesc.addMapping(dirCollectMapping);
}
}
} else if (listenerHelper.isArray()) {
SqlArrayTypeHelper sqlArrayTypeHelper2 = (SqlArrayTypeHelper) listenerHelper;
XMLDescriptor xdesc = descriptorMap.get(sqlArrayTypeHelper2.arrayTypename());
DatabaseMapping dm = xdesc.getMappingForAttributeName(ITEMS_MAPPING_ATTRIBUTE_NAME);
if (dm == null) {
XMLCompositeDirectCollectionMapping itemsMapping =
new XMLCompositeDirectCollectionMapping();
SqltypeHelper componentType = new SqltypeHelper(sqlTypeName);
itemsMapping.setAttributeElementClass(
attributeClassFromDatabaseType((DefaultListenerHelper) componentType));
itemsMapping.setAttributeName(ITEMS_MAPPING_ATTRIBUTE_NAME);
itemsMapping.setUsesSingleNode(true);
itemsMapping.setXPath(ITEM_MAPPING_NAME + "/text()");
XMLField xField = (XMLField) itemsMapping.getField();
xField.setRequired(true);
xField.setSchemaType(qnameFromDatabaseType(componentType));
itemsMapping.useCollectionClassName("java.util.ArrayList");
AbstractNullPolicy nullPolicy = itemsMapping.getNullPolicy();
nullPolicy.setNullRepresentedByEmptyNode(false);
nullPolicy.setMarshalNullRepresentation(XSI_NIL);
nullPolicy.setNullRepresentedByXsiNil(true);
itemsMapping.setNullPolicy(nullPolicy);
xdesc
.getNamespaceResolver()
.put(
SCHEMA_INSTANCE_PREFIX,
W3C_XML_SCHEMA_INSTANCE_NS_URI); // to support xsi:nil policy
xdesc.addMapping(itemsMapping);
}
ListenerHelper listenerHelper2 = stac.peek();
if (listenerHelper2.isAttribute()) {
// type built above used in field definition of object further up stack
stac.pop();
AttributeFieldHelper fieldHelper = (AttributeFieldHelper) listenerHelper2;
ListenerHelper listenerHelper3 = stac.peek();
if (listenerHelper3.isObject()) {
ObjectTypeHelper objectTypeHelper = (ObjectTypeHelper) listenerHelper3;
XMLDescriptor xdesc2 = descriptorMap.get(objectTypeHelper.objectTypename());
String fieldName = fieldHelper.attributeFieldName();
DatabaseMapping dm2 = xdesc2.getMappingForAttributeName(fieldName.toLowerCase());
if (dm2 == null) {
XMLCompositeDirectCollectionMapping fieldMapping =
new XMLCompositeDirectCollectionMapping();
SqltypeHelper componentType = new SqltypeHelper(sqlTypeName);
fieldMapping.setAttributeElementClass(
attributeClassFromDatabaseType((DefaultListenerHelper) componentType));
fieldMapping.setAttributeName(fieldName.toLowerCase());
XMLField field =
new XMLField(fieldName.toLowerCase() + "/" + ITEM_MAPPING_NAME + "/text()");
field.setRequired(true);
fieldMapping.setField(field);
field.setSchemaType(qnameFromDatabaseType(componentType));
fieldMapping.useCollectionClassName("java.util.ArrayList");
AbstractNullPolicy nullPolicy = fieldMapping.getNullPolicy();
nullPolicy.setNullRepresentedByEmptyNode(false);
nullPolicy.setMarshalNullRepresentation(XSI_NIL);
nullPolicy.setNullRepresentedByXsiNil(true);
fieldMapping.setNullPolicy(nullPolicy);
xdesc2
.getNamespaceResolver()
.put(
SCHEMA_INSTANCE_PREFIX,
W3C_XML_SCHEMA_INSTANCE_NS_URI); // to support xsi:nil policy
xdesc2.addMapping(fieldMapping);
}
// last attribute, pop ObjectTypeHelper off stack
int numAttributes = objectTypeHelper.decrNumAttributes();
if (numAttributes == 0) {
stac.pop();
}
}
}
}
}
}
/**
* Access the DataObject value by using the fragment containing query informations.
*
* @param frag one string fragment in the path
* @param openBracketIndex the index of open bracket in a fragment
* @param closeBracketIndex the index of close bracket in a fragment
* @param equalsignIndex the index of equalsign in string fragment quoted by brackets
* @param caller the DataObject that passes the path information in
* @param callerProperty the name of the property
* @return the DataObject as value of the property having name as the above callerProperty
*/
private DataObject getDataObjectFromQuery(
String frag,
int openBracketIndex,
int closeBracketIndex,
int equalsignIndex,
DataObject caller,
String callerProperty) {
try {
// trim off any whitespace for property names
String propertyNameOfQryDataObject =
frag.substring(openBracketIndex + 1, equalsignIndex + openBracketIndex).trim();
List objects = caller.getList(caller.getInstanceProperty(callerProperty));
String query = frag.substring(equalsignIndex + openBracketIndex + 1, closeBracketIndex);
String value = null;
int firstQuoteIndex = query.indexOf('\'');
int lastQuoteIndex = query.lastIndexOf('\'');
if ((firstQuoteIndex == -1)
&& (lastQuoteIndex == -1)) { // !! note: case: [number=1'23'] is assume not to happen !!
firstQuoteIndex = query.indexOf("\"");
lastQuoteIndex = query.lastIndexOf("\"");
}
if ((firstQuoteIndex != -1)
&& (lastQuoteIndex != -1)
&& (firstQuoteIndex < lastQuoteIndex)) { // quoted string existed
value = query.substring(firstQuoteIndex + 1, lastQuoteIndex);
} else {
// if the value is not enclosed on quotes, trim off any whitespace
value = query.trim();
}
Iterator iterObjects = objects.iterator();
Object queryValue = value;
Object actualValue = null;
while (iterObjects.hasNext()) {
DataObject cur = (DataObject) iterObjects.next();
Property p = cur.getInstanceProperty(propertyNameOfQryDataObject);
if (p != null) {
try {
queryValue =
XMLConversionManager.getDefaultXMLManager()
.convertObject(queryValue, p.getType().getInstanceClass());
} catch (ConversionException e) {
// do nothing, skip
}
if (!p.isMany()) {
actualValue = cur.get(p);
if (actualValue.equals(queryValue)) {
return cur;
}
} else { // case p is many type
List values = cur.getList(p);
Iterator iterValues = values.iterator();
while (iterValues.hasNext()) {
actualValue = iterValues.next();
if (actualValue.equals(queryValue)) {
return cur;
}
}
}
}
}
return null;
} catch (IllegalArgumentException e) {
return null;
}
}
/**
* Create an instance of XMLRoot populated from the contents of the provided JAXBElement. XMLRoot
* will be used to hold the contents of the JAXBElement while the marshal operation is performed
* by TopLink OXM. This will avoid adding any runtime dependencies to TopLink.
*
* @param elt
* @return
*/
private Root createXMLRootFromJAXBElement(JAXBElement elt) {
// create an XMLRoot to hand into the marshaller
Root xmlroot = new Root();
Object objectValue = elt.getValue();
xmlroot.setObject(objectValue);
QName qname = elt.getName();
xmlroot.setLocalName(qname.getLocalPart());
xmlroot.setNamespaceURI(qname.getNamespaceURI());
xmlroot.setDeclaredType(elt.getDeclaredType());
xmlroot.setNil(elt.isNil());
if (elt.getDeclaredType() == CoreClassConstants.ABYTE
|| elt.getDeclaredType() == CoreClassConstants.APBYTE
|| elt.getDeclaredType().getCanonicalName().equals("javax.activation.DataHandler")
|| elt.getDeclaredType().isEnum()) {
// need a binary data mapping so need to wrap
Class generatedClass =
getClassToGeneratedClasses().get(elt.getDeclaredType().getCanonicalName());
if (!elt.getDeclaredType().isEnum()) {
xmlroot.setSchemaType(Constants.BASE_64_BINARY_QNAME);
}
if (generatedClass != null && WrappedValue.class.isAssignableFrom(generatedClass)) {
ClassDescriptor desc =
xmlMarshaller.getXMLContext().getSession(generatedClass).getDescriptor(generatedClass);
Object newObject = desc.getInstantiationPolicy().buildNewInstance();
((WrappedValue) newObject).setValue(objectValue);
xmlroot.setObject(newObject);
return xmlroot;
}
} else {
xmlroot.setSchemaType(
(QName)
org.eclipse.persistence.internal.oxm.XMLConversionManager.getDefaultJavaTypes()
.get(elt.getDeclaredType()));
}
if (elt instanceof WrappedValue) {
xmlroot.setObject(elt);
return xmlroot;
}
Map<QName, Class> qNameToGeneratedClasses = jaxbContext.getQNameToGeneratedClasses();
if (qNameToGeneratedClasses != null) {
Class theClass = qNameToGeneratedClasses.get(qname);
if (theClass != null && WrappedValue.class.isAssignableFrom(theClass)) {
ClassDescriptor desc =
xmlMarshaller.getXMLContext().getSession(theClass).getDescriptor(theClass);
Object newObject = desc.getInstantiationPolicy().buildNewInstance();
((WrappedValue) newObject).setValue(objectValue);
xmlroot.setObject(newObject);
return xmlroot;
}
}
Class generatedClass = null;
if (jaxbContext.getTypeMappingInfoToGeneratedType() != null) {
if (jaxbContext.getTypeToTypeMappingInfo() != null) {
if (elt.getDeclaredType() != null && elt.getDeclaredType().isArray()) {
TypeMappingInfo tmi = jaxbContext.getTypeToTypeMappingInfo().get(elt.getDeclaredType());
generatedClass = jaxbContext.getTypeMappingInfoToGeneratedType().get(tmi);
} else if (elt instanceof JAXBTypeElement) {
Type objectType = ((JAXBTypeElement) elt).getType();
TypeMappingInfo tmi = jaxbContext.getTypeToTypeMappingInfo().get(objectType);
generatedClass = jaxbContext.getTypeMappingInfoToGeneratedType().get(tmi);
}
}
} else {
if (elt.getDeclaredType() != null && elt.getDeclaredType().isArray()) {
if (jaxbContext.getArrayClassesToGeneratedClasses() != null) {
generatedClass =
jaxbContext
.getArrayClassesToGeneratedClasses()
.get(elt.getDeclaredType().getCanonicalName());
}
} else if (elt instanceof JAXBTypeElement) {
Type objectType = ((JAXBTypeElement) elt).getType();
generatedClass = jaxbContext.getCollectionClassesToGeneratedClasses().get(objectType);
}
}
if (generatedClass != null) {
ClassDescriptor desc =
xmlMarshaller.getXMLContext().getSession(generatedClass).getDescriptor(generatedClass);
Object newObject = desc.getInstantiationPolicy().buildNewInstance();
((ManyValue) newObject).setItem(objectValue);
xmlroot.setObject(newObject);
}
return xmlroot;
}
