/** Visits all the blobs of this document and calls the passed blob visitor on each one. */
protected void visitBlobs(T state, Consumer<BlobAccessor> blobVisitor, Runnable markDirty)
throws PropertyException {
Visit visit = new Visit(blobVisitor, markDirty);
// structural type
visit.visitBlobsComplex(state, getType());
// dynamic facets
SchemaManager schemaManager = Framework.getService(SchemaManager.class);
for (String facet : getFacets()) {
CompositeType facetType = schemaManager.getFacet(facet);
visit.visitBlobsComplex(state, facetType);
}
// proxy schemas
if (getProxySchemas() != null) {
for (Schema schema : getProxySchemas()) {
visit.visitBlobsComplex(state, schema);
}
}
}
/** 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");
}