/**
* Load schema.
*
* @param schema the schema
* @param schemaElement the schema element
* @return the map
* @throws Exception the exception
*/
@SuppressWarnings("unchecked")
private static Map<String, Object> loadSchema(
Schema schema, org.dom4j.Element schemaElement, ServiceContext ctx) throws Exception {
String schemaName1 =
schemaElement.attributeValue(
ExportConstants.NAME_ATTR); // FIXME: Do we need this local var?
String schemaName = schema.getName();
Map<String, Object> data = new HashMap<String, Object>();
Iterator<org.dom4j.Element> it = schemaElement.elementIterator();
while (it.hasNext()) {
org.dom4j.Element element = it.next();
String name = element.getName();
Field field = schema.getField(name);
if (field != null) {
Object value = getElementData(element, field.getType(), ctx);
data.put(name, value);
} else {
// FIXME: substitute an appropriate constant for "csid" below.
// One potential class to which to add that constant, if it is not already
// declared, might be AbstractCollectionSpaceResourceImpl - ADR 2012-09-24
if (!name.equals("csid")) { // 'csid' elements in input payloads can be safely ignored.
logger.warn(
"Invalid input document. No such property was found ["
+ name
+ "] in schema "
+ schemaName);
}
}
}
return data;
}
/**
* Builds the document.
*
* @param document the document
* @param e the e
* @param objectProps the object props
* @throws Exception the exception
*/
public static void buildDocument(
Document document, Element parent, Map<String, Object> objectProps, Schema schema)
throws Exception {
for (String prop : objectProps.keySet()) {
Object value = objectProps.get(prop);
if (value != null) {
Field field = schema.getField(prop);
// If there is no field, then we added this property to the properties,
// and it must be a String (e.g., CSID)
// TODO - infer the type from the type of Object, if we need more than String
if (field == null) {
field = new FieldImpl(new QName(prop), schema, StringType.INSTANCE);
}
buildProperty(document, parent, field, value);
}
}
}
@Override
public Field getField(String xpath) {
checkDirty();
Field field = null;
if (xpath != null && xpath.contains("/")) {
// need to resolve subfields
String[] properties = xpath.split("/");
Field resolvedField = getField(properties[0]);
for (int x = 1; x < properties.length; x++) {
if (resolvedField == null) {
break;
}
resolvedField = getField(resolvedField, properties[x], x == properties.length - 1);
}
if (resolvedField != null) {
field = resolvedField;
}
} else {
field = fields.get(xpath);
if (field == null) {
QName qname = QName.valueOf(xpath);
String prefix = qname.getPrefix();
Schema schema = getSchemaFromPrefix(prefix);
if (schema == null) {
// try using the name
schema = getSchema(prefix);
}
if (schema != null) {
field = schema.getField(qname.getLocalName());
if (field != null) {
// map is concurrent so parallelism is ok
fields.put(xpath, field);
}
}
}
}
return field;
}
/** Sets a value (may be complex/list) into the document at the given xpath. */
protected void setValueObject(T state, String xpath, Object value) throws PropertyException {
xpath = canonicalXPath(xpath);
String[] segments = xpath.split("/");
ComplexType parentType = getType();
for (int i = 0; i < segments.length; i++) {
String segment = segments[i];
Field field = parentType.getField(segment);
if (field == null && i == 0) {
// check facets
SchemaManager schemaManager = Framework.getService(SchemaManager.class);
for (String facet : getFacets()) {
CompositeType facetType = schemaManager.getFacet(facet);
field = facetType.getField(segment);
if (field != null) {
break;
}
}
}
if (field == null && i == 0 && getProxySchemas() != null) {
// check proxy schemas
for (Schema schema : getProxySchemas()) {
field = schema.getField(segment);
if (field != null) {
break;
}
}
}
if (field == null) {
throw new PropertyNotFoundException(xpath, i == 0 ? null : "Unknown segment: " + segment);
}
String name = field.getName().getPrefixedName(); // normalize from segment
Type type = field.getType();
// check if we have a complex list index in the next position
if (i < segments.length - 1 && StringUtils.isNumeric(segments[i + 1])) {
int index = Integer.parseInt(segments[i + 1]);
i++;
if (!type.isListType() || ((ListType) type).getFieldType().isSimpleType()) {
throw new PropertyNotFoundException(xpath, "Cannot use index after segment: " + segment);
}
List<T> list = getChildAsList(state, name);
if (index >= list.size()) {
throw new PropertyNotFoundException(xpath, "Index out of bounds: " + index);
}
// find complex list state
state = list.get(index);
field = ((ListType) type).getField();
if (i == segments.length - 1) {
// last segment
setValueComplex(state, field, value);
} else {
// not last segment
parentType = (ComplexType) field.getType();
}
continue;
}
if (i == segments.length - 1) {
// last segment
setValueField(state, field, value);
} else {
// not last segment
if (type.isSimpleType()) {
// scalar
throw new PropertyNotFoundException(xpath, "Segment must be last: " + segment);
} else if (type.isComplexType()) {
// complex property
state = getChildForWrite(state, name, type);
parentType = (ComplexType) type;
} else {
// list
ListType listType = (ListType) type;
if (listType.isArray()) {
// array of scalars
throw new PropertyNotFoundException(xpath, "Segment must be last: " + segment);
} else {
// complex list but next segment was not numeric
throw new PropertyNotFoundException(
xpath, "Missing list index after segment: " + segment);
}
}
}
}
}
/** Gets a value (may be complex/list) from the document at the given xpath. */
protected Object getValueObject(T state, String xpath) throws PropertyException {
xpath = canonicalXPath(xpath);
String[] segments = xpath.split("/");
/*
* During this loop state may become null if we read an uninitialized complex property (DBS), in that case the
* code must treat it as reading uninitialized values for its children.
*/
ComplexType parentType = getType();
for (int i = 0; i < segments.length; i++) {
String segment = segments[i];
Field field = parentType.getField(segment);
if (field == null && i == 0) {
// check facets
SchemaManager schemaManager = Framework.getService(SchemaManager.class);
for (String facet : getFacets()) {
CompositeType facetType = schemaManager.getFacet(facet);
field = facetType.getField(segment);
if (field != null) {
break;
}
}
}
if (field == null && i == 0 && getProxySchemas() != null) {
// check proxy schemas
for (Schema schema : getProxySchemas()) {
field = schema.getField(segment);
if (field != null) {
break;
}
}
}
if (field == null) {
throw new PropertyNotFoundException(xpath, i == 0 ? null : "Unknown segment: " + segment);
}
String name = field.getName().getPrefixedName(); // normalize from segment
Type type = field.getType();
// check if we have a complex list index in the next position
if (i < segments.length - 1 && StringUtils.isNumeric(segments[i + 1])) {
int index = Integer.parseInt(segments[i + 1]);
i++;
if (!type.isListType() || ((ListType) type).getFieldType().isSimpleType()) {
throw new PropertyNotFoundException(xpath, "Cannot use index after segment: " + segment);
}
List<T> list = state == null ? Collections.emptyList() : getChildAsList(state, name);
if (index >= list.size()) {
throw new PropertyNotFoundException(xpath, "Index out of bounds: " + index);
}
// find complex list state
state = list.get(index);
parentType = (ComplexType) ((ListType) type).getFieldType();
if (i == segments.length - 1) {
// last segment
return getValueComplex(state, parentType);
} else {
// not last segment
continue;
}
}
if (i == segments.length - 1) {
// last segment
return state == null ? null : getValueField(state, field);
} else {
// not last segment
if (type.isSimpleType()) {
// scalar
throw new PropertyNotFoundException(xpath, "Segment must be last: " + segment);
} else if (type.isComplexType()) {
// complex property
state = state == null ? null : getChild(state, name, type);
// here state can be null (DBS), continue loop with it, meaning uninitialized for read
parentType = (ComplexType) type;
} else {
// list
ListType listType = (ListType) type;
if (listType.isArray()) {
// array of scalars
throw new PropertyNotFoundException(xpath, "Segment must be last: " + segment);
} else {
// complex list but next segment was not numeric
throw new PropertyNotFoundException(
xpath, "Missing list index after segment: " + segment);
}
}
}
}
throw new AssertionError("not reached");
}
