[ http://issues.apache.org/jira/browse/XERCESJ-1149?page=all ]
Michael Glavassevich resolved XERCESJ-1149:
-------------------------------------------
Resolution: Fixed
The enhancements made to the annotation support in Xerces 2.8.0 made it
possible for NPEs to be thrown from the various XSObjects when a
component has no annotations. In all getAnnotation() methods we now check if
the list is null before accessing it. That should fix all of the NPEs.
> NPE on getAnnotation() for not present in schema datatype
> ---------------------------------------------------------
>
> Key: XERCESJ-1149
> URL: http://issues.apache.org/jira/browse/XERCESJ-1149
> Project: Xerces2-J
> Type: Bug
> Components: XML Schema datatypes
> Versions: 2.8.0
> Environment: All
> Reporter: Radu Coravu
> Assignee: Michael Glavassevich
> Priority: Minor
>
> 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).
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