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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=20525 Invlalid ELEMENT_DECLARATION returned after printing the length of the components list Summary: Invlalid ELEMENT_DECLARATION returned after printing the length of the components list Product: Xerces2-J Version: 2.4.0 Platform: PC OS/Version: Windows NT/2K Status: NEW Severity: Normal Priority: Other Component: XML Schema Structures AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] CC: [EMAIL PROTECTED] Product version: Xerces-J 2.4.0 OS version: Microsoft Windows 2000 [Version 5.00.2195] JDK version: java version "1.4.2-beta" Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2-beta-b19) Java HotSpot(TM) Client VM (build 1.4.2-beta-b19, mixed mode) This seems to be a problem with the latest Xerces (2.4.0) as well as the one I was using last fall (2.2.0). Basically just calling getComponents (...).getLength method on an XSModel object causes a future call for components of ELEMENT_DECLARATION (there are possibly more variations for failure as well) to fail. I have a test schema (see below) and when I query the grammar object (AFTER printing out the length of the components) for the ELEMENT_DECLARATION's, in one case I get an exception thrown from Xerces and in another case I get the ATTRIBUTE_DECLARATION's instead! Here is the code snippet: XMLSchemaLoader xmlSchemaLoader = new XMLSchemaLoader(); XMLInputSource xmlInputSource = new XMLInputSource (null, schemaFile. getName (), schemaFile.toURI ().getPath ()); FileInputStream inputStream = null; try { inputStream = new FileInputStream (schemaFile); } catch (Exception pException) { pException.printStackTrace (); } xmlInputSource.setByteStream (inputStream); // *********************************************************** // Variation 1 begin // *********************************************************** // Causes following exception: //java.lang.ArrayIndexOutOfBoundsException: 2 // at org.apache.xerces.util.SymbolHash.getValues(Unknown // Source) // at org.apache.xerces.impl.xs.util.XSNamedMapImpl.item( // Unknown Source) XSGrammar schemaGrammar = null; try { schemaGrammar = (XSGrammar) xmlSchemaLoader.loadGrammar ( xmlInputSource); XSModel schemaModel = schemaGrammar.toXSModel(); System.out.println ("Number of element components: " + schemaModel. getComponents (XSConstants.ELEMENT_DECLARATION).getLength ()); System.out.println ("Complex components begin:"); XSNamedMap complexComponents = schemaModel.getComponents ( XSTypeDefinition.COMPLEX_TYPE); for (int i = 0; i < complexComponents.getLength (); i++) { System.out.println ("\tNamespace:Name: " + complexComponents. item (i).getNamespace () + ":" + complexComponents.item (i). getName ()); } System.out.println ("Complex components end...\n\n"); XSNamedMap elementComponents = schemaModel.getComponents ( XSConstants.ELEMENT_DECLARATION); System.out.println ("Element components begin (" + elementComponents. getLength () + ")"); for (int i = 0; i < elementComponents.getLength (); i++) { // Exception thrown here ==> Buglet!!! System.out.println ("\tNamespace:Name: " + elementComponents. item (i).getNamespace () + ":" + elementComponents.item (i). getName ()); } System.out.println ("Element components end...\n"); System.out.println ("Attribute components begin:"); XSNamedMap attributeComponents = schemaModel.getComponents ( XSConstants.ATTRIBUTE_DECLARATION); for (int i = 0; i < attributeComponents.getLength (); i++) { System.out.println ("\tNamespace:Name: " + attributeComponents. item (i).getNamespace () + ":" + attributeComponents.item (i). getName ()); } System.out.println ("Attribute components end...\n"); } catch (Exception pException) { pException.printStackTrace (); } // *********************************************************** // Variation 1 end // *********************************************************** // *********************************************************** // Variation 2 begin // *********************************************************** // Seems to cause the ATTRIBUTE_DECLARATION components to be // returned instead of ELEMENT_DECLARATION XSGrammar schemaGrammar = null; try { schemaGrammar = (XSGrammar) xmlSchemaLoader.loadGrammar ( xmlInputSource); XSModel schemaModel = schemaGrammar.toXSModel(); System.out.println ("Number of complex components: " + schemaModel. getComponents (XSTypeDefinition.COMPLEX_TYPE).getLength ()); System.out.println ("Number of simple components: " + schemaModel. getComponents (XSTypeDefinition.SIMPLE_TYPE).getLength ()); System.out.println ("Number of element components: " + schemaModel. getComponents (XSConstants.ELEMENT_DECLARATION).getLength ()); System.out.println ("Number of attribute components: " + schemaModel. getComponents (XSConstants.ATTRIBUTE_DECLARATION).getLength ()); System.out.println ("Complex components begin:"); XSNamedMap complexComponents = schemaModel.getComponents ( XSTypeDefinition.COMPLEX_TYPE); for (int i = 0; i < complexComponents.getLength (); i++) { System.out.println ("\tNamespace:Name: " + complexComponents. item (i).getNamespace () + ":" + complexComponents.item (i). getName ()); } System.out.println ("Complex components end...\n\n"); XSNamedMap elementComponents = schemaModel.getComponents ( XSConstants.ELEMENT_DECLARATION); System.out.println ("Element components begin (" + elementComponents. getLength () + ")"); for (int i = 0; i < elementComponents.getLength (); i++) { // Note: this shouldn't be null but it is!!! ==> buglet!!! if (elementComponents.item (i) == null) { System.out.println ("Element was null..."); continue; } System.out.println ("\tNamespace:Name: " + elementComponents. item (i).getNamespace () + ":" + elementComponents.item (i). getName ()); } System.out.println ("Element components end...\n"); System.out.println ("Attribute components begin:"); XSNamedMap attributeComponents = schemaModel.getComponents ( XSConstants.ATTRIBUTE_DECLARATION); for (int i = 0; i < attributeComponents.getLength (); i++) { System.out.println ("\tNamespace:Name: " + attributeComponents. item (i).getNamespace () + ":" + attributeComponents.item (i). getName ()); } System.out.println ("Attribute components end...\n"); } catch (Exception pException) { pException.printStackTrace (); } // *********************************************************** // Variation 2 end // *********************************************************** <<< Test schema begin >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> <?xml version = "1.0" ?> <schema xmlns = "http://www.w3.org/2001/XMLSchema";> <element name = "Customer"> <complexType> <sequence> <element name = "FirstName" type = "string" /> <element name = "MiddleInitial" type = "string" /> <element name = "LastName" type = "string" /> </sequence> </complexType> </element> <element name = "SimpleElement" type = "string" /> <complexType name = "TestComplexType"> <attribute name = "testAttribute" type = "string"/> </complexType> <attribute name = "languageUsed" type = "language"/> </schema> <<< Test schema end >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
