protected void generateClassToQnameMapping(Data extData, ServiceInformation info)
throws CodegenExtensionException {
try {
Mappings mappings = new Mappings();
List<ClassToQname> classMappings = new LinkedList<ClassToQname>();
// the first place to look for mappings is in the model information, which
// is derived from the data service Domain Model. If no domain model is to be used,
// the mappings are still required to do anything with caCORE SDK beans.
ModelInformation modelInfo = extData.getModelInformation();
if (modelInfo != null
&& !ModelSourceType.none.equals(modelInfo.getSource())
&& modelInfo.getModelPackage() != null) {
logger.debug("Model information / domain model found in service model.");
logger.debug("Generating class to qname mapping from the information");
logger.debug("stored in the service model");
// walk packages in the model
for (ModelPackage pack : modelInfo.getModelPackage()) {
// locate a NamsepaceType in the service model mapped to this package
NamespaceType mappedNamespace = null;
for (NamespaceType nsType : info.getServiceDescriptor().getNamespaces().getNamespace()) {
if (pack.getPackageName().equals(nsType.getPackageName())) {
mappedNamespace = nsType;
break;
}
}
if (mappedNamespace != null && pack.getModelClass() != null) {
// walk classes in this package, if any exist
for (ModelClass clazz : pack.getModelClass()) {
if (clazz.isTargetable()) {
// find a schema element type mapped to this class
for (SchemaElementType element : mappedNamespace.getSchemaElement()) {
if (clazz.getShortClassName().equals(element.getClassName())) {
// found it! Create a mapping
QName qname = new QName(mappedNamespace.getNamespace(), element.getType());
String fullClassname = pack.getPackageName() + "." + clazz.getShortClassName();
ClassToQname map = new ClassToQname(fullClassname, qname.toString());
classMappings.add(map);
break;
}
}
}
}
} else {
logger.warn(
"Model package " + pack.getPackageName() + " is not mapped to any namespace!");
}
}
ClassToQname[] mapArray = new ClassToQname[classMappings.size()];
classMappings.toArray(mapArray);
mappings.setMapping(mapArray);
} else {
logger.warn("No model information / domain model found in service model.");
logger.warn("Falling back to schema information for class to qname mapping.");
NamespaceType[] namespaces = info.getNamespaces().getNamespace();
// a set of namespaces to ignore
Set<String> nsIgnores = new HashSet<String>();
nsIgnores.add(IntroduceConstants.W3CNAMESPACE);
nsIgnores.add(info.getServices().getService(0).getNamespace());
nsIgnores.add(DataServiceConstants.ENUMERATION_DATA_SERVICE_NAMESPACE);
nsIgnores.add(DataServiceConstants.DATA_SERVICE_NAMESPACE);
nsIgnores.add(DataServiceConstants.CQL_QUERY_URI);
nsIgnores.add(DataServiceConstants.CQL_RESULT_SET_URI);
for (int nsIndex = 0; nsIndex < namespaces.length; nsIndex++) {
NamespaceType currentNs = namespaces[nsIndex];
// ignore any unneeded namespaces
if (!nsIgnores.contains(currentNs.getNamespace())) {
SchemaElementType[] schemaElements = currentNs.getSchemaElement();
for (int elemIndex = 0;
schemaElements != null && elemIndex < schemaElements.length;
elemIndex++) {
SchemaElementType currentElement = schemaElements[elemIndex];
ClassToQname toQname = new ClassToQname();
QName qname = new QName(currentNs.getNamespace(), currentElement.getType());
String shortClassName = currentElement.getClassName();
if (shortClassName == null) {
shortClassName = currentElement.getType();
}
String fullClassName = currentNs.getPackageName() + "." + shortClassName;
toQname.setQname(qname.toString());
toQname.setClassName(fullClassName);
classMappings.add(toQname);
}
}
}
}
ClassToQname[] mapArray = new ClassToQname[classMappings.size()];
classMappings.toArray(mapArray);
mappings.setMapping(mapArray);
// create the filename where the mapping will be stored
String mappingFilename =
new File(
info.getBaseDirectory(),
"etc" + File.separator + DataServiceConstants.CLASS_TO_QNAME_XML)
.getAbsolutePath();
// serialize the mapping to that file
Utils.serializeDocument(mappingFilename, mappings, DataServiceConstants.MAPPING_QNAME);
} catch (Exception ex) {
ex.printStackTrace();
throw new CodegenExtensionException(
"Error generating class to QName mapping: " + ex.getMessage(), ex);
}
}
