/**
* Is there an import for a particular namespace in a schema?
*
* @param schema
* @param namespaceUri
*/
public static boolean schemaImportsNamespace(XmlSchema schema, String namespaceUri) {
List<XmlSchemaExternal> externals = schema.getExternals();
for (XmlSchemaExternal what : externals) {
if (what instanceof XmlSchemaImport) {
XmlSchemaImport imp = (XmlSchemaImport) what;
// already there.
if (namespaceUri.equals(imp.getNamespace())) {
return true;
}
}
}
return false;
}
/**
* Assist in managing the required <import namespace='uri'> for imports of peer schemas.
*
* @param schema
* @param namespaceUri
*/
public static void addImportIfNeeded(XmlSchema schema, String namespaceUri) {
// no need to import nothing or the XSD schema, or the schema we are fixing.
if ("".equals(namespaceUri)
|| Constants.URI_2001_SCHEMA_XSD.equals(namespaceUri)
|| schema.getTargetNamespace().equals(namespaceUri)) {
return;
}
List<XmlSchemaExternal> externals = schema.getExternals();
for (XmlSchemaExternal what : externals) {
if (what instanceof XmlSchemaImport) {
XmlSchemaImport imp = (XmlSchemaImport) what;
// already there.
if (namespaceUri.equals(imp.getNamespace())) {
return;
}
}
}
XmlSchemaImport imp = new XmlSchemaImport(schema);
imp.setNamespace(namespaceUri);
}