[Jboss-dev-forums] [Design of JBossXB] - XSD parsing and annotations

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  | 1 DEBUG [JbxbPojoServerUnitTestCase] ==== Starting testSimpleCollection ====
  | 1 DEBUG [JbxbPojoServerUnitTestCase] ================ Getting Schema Binding
  | 66 TRACE [Util] loading xsd: /home/adrian/jboss-head/workspace/testsuite/src/resources/xml/jbxb-bean-deployer_1_0.xsd
  | 700 TRACE [Util] Loaded xsd: /home/adrian/jboss-head/workspace/testsuite/src/resources/xml/jbxb-bean-deployer_1_0.xsd in 634ms
  | ...
  | 2398 DEBUG [JbxbPojoServerUnitTestCase] ================ Got Schema Binding in 2397ms
  | ...
  | 3036 DEBUG [JbxbPojoServerUnitTestCase] testSimpleCollection took 3035ms
  | 

The schema/annotation parsing seems to be taking a long time, admittedly I have TRACE logging enabled. Without TRACE logging:


  | 0 DEBUG [JbxbPojoServerUnitTestCase] ==== Starting testSimpleCollection ====
  | 0 DEBUG [JbxbPojoServerUnitTestCase] ================ Getting Schema Binding
  | 1607 DEBUG [JbxbPojoServerUnitTestCase] ================ Got Schema Binding in 1606ms
  | ...
  | 2189 DEBUG [JbxbPojoServerUnitTestCase] testSimpleCollection took 2189ms
  | 2189 DEBUG [JbxbPojoServerUnitTestCase] ==== Stopping testSimpleCollection ====
  | 

The problem appears to be that it does a first pass of the parsing
using Xerces to load the model

  | Util.loadSchema
  |       XSModel model = schemaLoader.loadURI(xsdURL);
  | 
then it parses each annotation individually using a new parser for each.

Are there any plans to improve this?
Wouldn't it be better to just write our own XSD model/parser and remove the dependency
on Xerces altogether? i.e. any SAX parser could be used.

The only related issue I can find is a (bad in my opinion) request from the WS team
to get a hold of the Xerces model from JBossXB.
http://jira.jboss.com/jira/browse/JBXB-33

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