private JSONObject build() {
this.typeMap = new HashMap<String, String>();
this.result = new JSONObject();
this.result.put("$schema", "http://json-schema.org/draft-04/schema#");
this.definitions = new JSONObject();
buildTypeDefinition(baseObject);
if (hasReferenceToRoot) this.result.put("$ref", "#/definitions/type1");
else {
JSONObject roottype = (JSONObject) this.definitions.remove("type1");
for (String key : JSONObject.getNames(roottype)) result.put(key, roottype.get(key));
}
// only add definitions if there are any types left.
if (definitions.keys().hasNext()) this.result.put("definitions", definitions);
return result;
}
private JSONObject associationToJSONType(IMetaAssociation assoc) {
IMetaObject child = assoc.getChild();
JSONObject type = null;
// some kind of foreign key
if (child.isPersistable()) {
// only if there is a service available for that type;
if (RestServices.getServiceForEntity(child.getName()) != null) {
type =
new JSONObject()
.put("type", "string")
.put("title", String.format("Reference to a(n) '%s'", child.getName()));
}
}
// persistent object, describe this object in the service as well
else {
buildTypeDefinition(child); // make sure the type is available in the schema
String targetType = typeMap.get(child.getName());
type = new JSONObject().put("$ref", "#/definitions/" + targetType);
if ("type1".equals(targetType)) hasReferenceToRoot = true;
}
// assoc should be included?
if (type == null) return null;
// make sure referencesets require arrays
if (assoc.getType() == AssociationType.REFERENCESET)
type = new JSONObject().put("type", "array").put("items", type);
// make sure null refs are supported
else /* not a refset */ type = orNull(type);
return type;
}