if (!key.startsWith("file:") && !key.startsWith("jar:")) {
XmlSchemaSerializer xser = new XmlSchemaSerializer();
xser.setExtReg(schemaCollection.getExtReg());
Document[] docs;
try {
docs = xser.serializeSchema(schema, false);
} catch (XmlSchemaSerializerException e) {
throw new RuntimeException(e);
}
Element ele = docs[0].getDocumentElement();
ele = removeImportElement(ele, key, catalog, done, notDone);