private EdmFunctionImport.Builder parseEdmFunctionImport(
XMLEventReader2 reader, String schemaNamespace, StartElement2 functionImportElement) {
String name = functionImportElement.getAttributeByName("Name").getValue();
String entitySet = getAttributeValueIfExists(functionImportElement, "EntitySet");
Attribute2 returnTypeAttr = functionImportElement.getAttributeByName("ReturnType");
String returnType = returnTypeAttr != null ? returnTypeAttr.getValue() : null;
List<EdmAnnotation<?>> annotElements = new ArrayList<EdmAnnotation<?>>();
// strict parsing
boolean isCollection = returnType != null && returnType.matches("^Collection\\(.*\\)$");
if (isCollection) {
returnType = returnType.substring(11, returnType.length() - 1);
}
String httpMethod =
getAttributeValueIfExists(functionImportElement, new QName2(NS_METADATA, "HttpMethod"));
List<EdmFunctionParameter.Builder> parameters = new ArrayList<EdmFunctionParameter.Builder>();
while (reader.hasNext()) {
XMLEvent2 event = reader.nextEvent();
if (event.isStartElement()) {
if (isElement(
event,
EDM2006_PARAMETER,
EDM2007_PARAMETER,
EDM2008_1_PARAMETER,
EDM2008_9_PARAMETER,
EDM2009_8_PARAMETER,
EDM2009_11_PARAMETER)) {
StartElement2 paramStartElement = event.asStartElement();
EdmFunctionParameter.Builder functionParameter =
parseEdmFunctionParameter(reader, paramStartElement);
parameters.add(functionParameter);
} else {
EdmAnnotation<?> anElement = getAnnotationElements(event, reader);
if (anElement != null) {
annotElements.add(anElement);
}
}
}
if (isEndElement(event, functionImportElement.getName())) {
return EdmFunctionImport.newBuilder()
.setName(name)
.setEntitySetName(entitySet)
.setReturnTypeName(returnType)
.setIsCollection(isCollection)
.setHttpMethod(httpMethod)
.addParameters(parameters)
.setAnnotations(getAnnotations(functionImportElement))
.setAnnotationElements(annotElements);
}
}
throw new UnsupportedOperationException();
}
public static Iterable<OProperty<?>> parseProperties(
XMLEventReader2 reader, StartElement2 propertiesElement) {
List<OProperty<?>> rt = new ArrayList<OProperty<?>>();
while (reader.hasNext()) {
XMLEvent2 event = reader.nextEvent();
if (event.isEndElement()
&& event.asEndElement().getName().equals(propertiesElement.getName())) {
return rt;
}
if (event.isStartElement()
&& event.asStartElement().getName().getNamespaceURI().equals(NS_DATASERVICES)) {
String name = event.asStartElement().getName().getLocalPart();
Attribute2 typeAttribute = event.asStartElement().getAttributeByName(M_TYPE);
Attribute2 nullAttribute = event.asStartElement().getAttributeByName(M_NULL);
boolean isNull = nullAttribute != null && "true".equals(nullAttribute.getValue());
OProperty<?> op = null;
String type = null;
boolean isComplexType = false;
if (typeAttribute != null) {
type = typeAttribute.getValue();
EdmType et = EdmType.get(type);
isComplexType = !et.isSimple();
}
if (isComplexType) {
op =
OProperties.complex(
name,
type,
isNull
? null
: Enumerable.create(parseProperties(reader, event.asStartElement()))
.toList());
} else {
op = OProperties.parse(name, type, isNull ? null : reader.getElementText());
}
rt.add(op);
}
}
throw new RuntimeException();
}
protected List<EdmAnnotation<?>> getAnnotations(StartElement2 element) {
// extract Annotation attributes
try {
Enumerable<Attribute2> atts = element.getAttributes();
List<EdmAnnotation<?>> annots = new ArrayList<EdmAnnotation<?>>();
for (Attribute2 att : atts) {
QName2 q = att.getName();
if (isExtensionNamespace(q.getNamespaceUri())) {
// a user extension
annots.add(
EdmAnnotation.attribute(
q.getNamespaceUri(), q.getPrefix(), q.getLocalPart(), att.getValue()));
}
}
return annots;
} catch (Exception ex) {
// not all of the xml parsing implementations implement getAttributes() yet.
return null;
}
}
private EdmFunctionParameter.Builder parseEdmFunctionParameter(
XMLEventReader2 reader, StartElement2 paramStartElement) {
List<EdmAnnotation<?>> annotElements = new ArrayList<EdmAnnotation<?>>();
Attribute2 modeAttribute = paramStartElement.getAttributeByName("Mode");
String nullableS = getAttributeValueIfExists(paramStartElement, "Nullable");
String maxLength = getAttributeValueIfExists(paramStartElement, "MaxLength");
String precision = getAttributeValueIfExists(paramStartElement, "Precision");
String scale = getAttributeValueIfExists(paramStartElement, "Scale");
while (reader.hasNext()) {
XMLEvent2 event = reader.nextEvent();
if (event.isStartElement()) {
EdmAnnotation<?> anElement = getAnnotationElements(event, reader);
if (anElement != null) {
annotElements.add(anElement);
}
}
if (isEndElement(event, paramStartElement.getName())) {
return EdmFunctionParameter.newBuilder()
.setName(paramStartElement.getAttributeByName("Name").getValue())
.setType(
EdmType.newDeferredBuilder(
paramStartElement.getAttributeByName("Type").getValue(), dataServices))
.setMode(modeAttribute != null ? Mode.valueOf(modeAttribute.getValue()) : null)
.setNullable(nullableS == null ? null : "true".equalsIgnoreCase(nullableS))
.setMaxLength(
maxLength == null
? null
: maxLength.equals("Max") ? Integer.MAX_VALUE : Integer.parseInt(maxLength))
.setPrecision(precision == null ? null : Integer.parseInt(precision))
.setScale(scale == null ? null : Integer.parseInt(scale))
.setAnnotations(getAnnotations(paramStartElement))
.setAnnotationElements(annotElements);
}
}
throw new UnsupportedOperationException();
}
