/**
* Retrieve the string values for an enumeration.
*
* @param type
*/
public static List<String> enumeratorValues(XmlSchemaSimpleType type) {
XmlSchemaSimpleTypeContent content = type.getContent();
XmlSchemaSimpleTypeRestriction restriction = (XmlSchemaSimpleTypeRestriction) content;
List<XmlSchemaFacet> facets = restriction.getFacets();
List<String> values = new ArrayList<String>();
for (XmlSchemaFacet facet : facets) {
XmlSchemaEnumerationFacet enumFacet = (XmlSchemaEnumerationFacet) facet;
values.add(enumFacet.getValue().toString());
}
return values;
}
private QName getSimpleContentTypeName(XmlSchemaSimpleType schemaSimpleType) {
QName simpleContentTypeName = null;
if (schemaSimpleType.getContent() != null
&& schemaSimpleType.getContent() instanceof XmlSchemaSimpleTypeRestriction) {
XmlSchemaSimpleTypeRestriction simpleContent =
(XmlSchemaSimpleTypeRestriction) schemaSimpleType.getContent();
simpleContentTypeName = simpleContent.getBaseTypeName();
} else {
throw new RuntimeException(
"Unsupported simple content model: "
+ schemaSimpleType.getContent().getClass().getCanonicalName());
}
return simpleContentTypeName;
}
/**
* Return true if a simple type is a straightforward XML Schema representation of an enumeration.
* If we discover schemas that are 'enum-like' with more complex structures, we might make this
* deal with them.
*
* @param type Simple type, possible an enumeration.
* @return true for an enumeration.
*/
public static boolean isEumeration(XmlSchemaSimpleType type) {
XmlSchemaSimpleTypeContent content = type.getContent();
if (!(content instanceof XmlSchemaSimpleTypeRestriction)) {
return false;
}
XmlSchemaSimpleTypeRestriction restriction = (XmlSchemaSimpleTypeRestriction) content;
List<XmlSchemaFacet> facets = restriction.getFacets();
for (XmlSchemaFacet facet : facets) {
if (!(facet instanceof XmlSchemaEnumerationFacet)) {
return false;
}
}
return true;
}
private NeutralSchema recursiveParseSimpleType(
XmlSchemaSimpleType schemaSimpleType, XmlSchema schema) {
NeutralSchema simpleSchema = null;
String simpleTypeName = schemaSimpleType.getName();
if (NeutralSchemaType.isPrimitive(schemaSimpleType.getQName())) {
simpleSchema = getSchemaFactory().createSchema(schemaSimpleType.getQName());
} else if (NeutralSchemaType.exists(schemaSimpleType.getBaseSchemaTypeName())) {
if (NeutralSchemaType.isPrimitive(schemaSimpleType.getBaseSchemaTypeName())) {
simpleSchema = getSchemaFactory().createSchema(schemaSimpleType.getBaseSchemaTypeName());
} else {
XmlSchemaSimpleType simpleBaseType =
getSimpleBaseType(schemaSimpleType.getBaseSchemaTypeName(), schema);
if (simpleBaseType != null) {
if (simpleTypeName == null) {
simpleTypeName = simpleBaseType.getName();
}
simpleSchema = getSchemaFactory().createSchema(simpleTypeName);
}
}
} else if (schemaSimpleType.getContent() != null
&& schemaSimpleType.getContent() instanceof XmlSchemaSimpleTypeList) {
ListSchema listSchema = (ListSchema) getSchemaFactory().createSchema("list");
XmlSchemaSimpleTypeList content = (XmlSchemaSimpleTypeList) schemaSimpleType.getContent();
NeutralSchema listContentSchema = null;
if (content.getItemType() != null) {
listContentSchema = parseSimpleType(content.getItemType(), schema, null);
} else {
QName itemTypeName = content.getItemTypeName();
listContentSchema = getSchemaFactory().createSchema(itemTypeName.getLocalPart());
}
listSchema.getList().add(listContentSchema);
listSchema.updateAnnotations();
return listSchema;
} else if (getSimpleContentTypeName(schemaSimpleType) != null) {
if (NeutralSchemaType.isPrimitive(getSimpleContentTypeName(schemaSimpleType))) {
simpleSchema = getSchemaFactory().createSchema(getSimpleContentTypeName(schemaSimpleType));
} else {
XmlSchemaSimpleType simpleBaseType =
getSimpleBaseType(getSimpleContentTypeName(schemaSimpleType), schema);
simpleSchema = recursiveParseSimpleType(simpleBaseType, schema);
}
}
if (simpleSchema != null && schemaSimpleType.getContent() != null) {
if (schemaSimpleType.getContent() instanceof XmlSchemaSimpleTypeRestriction) {
XmlSchemaSimpleTypeRestriction simpleRestrictedContent =
(XmlSchemaSimpleTypeRestriction) schemaSimpleType.getContent();
XmlSchemaObjectCollection facets = simpleRestrictedContent.getFacets();
List<String> tokens = new ArrayList<String>();
for (int i = 0; i < facets.getCount(); i++) {
XmlSchemaObject facetObject = facets.getItem(i);
if (facetObject instanceof XmlSchemaEnumerationFacet) {
XmlSchemaEnumerationFacet enumerationFacet = (XmlSchemaEnumerationFacet) facetObject;
tokens.add(enumerationFacet.getValue().toString());
} else if (facetObject instanceof XmlSchemaFacet) {
XmlSchemaFacet facet = (XmlSchemaFacet) facetObject;
String facetPropertyName = NeutralSchemaType.lookupPropertyName(facet);
simpleSchema.getProperties().put(facetPropertyName, facet.getValue().toString());
}
}
if (tokens.size() > 0) {
// Token Schema
Collections.sort(tokens); // sort so we can binary search
simpleSchema.getProperties().put(TokenSchema.TOKENS, tokens);
}
}
}
parseAnnotations(simpleSchema, schemaSimpleType);
if ((simpleSchema != null) && (simpleTypeName != null)) {
simpleSchema.setType(simpleTypeName);
}
return simpleSchema;
}