[XERCESJ-1149] NPE on getAnnotation() for not present in schema datatype

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.8.0
• Fix Version/s: 2.8.1
• Component/s: XML Schema 1.0 Datatypes
• Environment: All
• Assignee: Michael Glavassevich
• Reporter: Radu Coravu
• Created: 23/Mar/06 00:02
• Updated: 08/Sep/06 18:00
• Resolved: 26/Mar/06 07:09

Description

Run the following code:

String content = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
"<xs:schema xmlns:xs=\"http://www.w3.org/2001/XMLSchema\" targetNamespace='ns'>\n" +
" <xs:element name=\"personnel\"/>\n" +
"</xs:schema>";
XsModelCreator creator = new XsModelCreator();
SymbolTable symbolTable = new SymbolTable();
InputSource src = new InputSource(new StringReader(content));
src.setSystemId("fake");
// Preparser setup.
XMLGrammarPreparser preparser = new XMLGrammarPreparser(symbolTable);
preparser.registerPreparser(XMLGrammarDescription.XML_SCHEMA, null); // Selects the grammar pool.
XMLGrammarPool grammarPool= new XMLGrammarPoolImpl();
preparser.setGrammarPool(grammarPool);
preparser.preparseGrammar(XMLGrammarDescription.XML_SCHEMA, new XMLInputSource(
src.getPublicId(),
src.getSystemId(),
null,
src.getCharacterStream(),
src.getEncoding()));
XSModel xsModel = creator.newXSModel(grammarPool);
XSElementDeclaration elemDecl = xsModel.getElementDeclaration("personnel", "ns");
XSComplexTypeDefinition typeDefinition = (XSComplexTypeDefinition) elemDecl.getTypeDefinition();
XSWildcard attributeWildCard = typeDefinition.getAttributeWildcard();
attributeWildCard.getAnnotation();//This should throw the NPE.

As you can see, the personnel element has no associated data typed but it is mapped by default to anyType in the Xerces structure.
This NPE also happens when getAnnotation() is called for nodes of types XSElementDeclaration, XSWildcard, XSModelGroup which do not actually appear in the schema (they can be obtained by exploring the XSComplexTypeDefinition of the anyType).