* @param mgr the PluginManager
* @param clr the ClassLoaderResolver
*/
private void loadUserTypes(PluginManager mgr, ClassLoaderResolver clr)
{
ExtensionPoint exPoint = mgr.getExtensionPoint("org.jpox.store_mapping");
for (int i = 0; i < exPoint.getExtensions().length; i++)
{
ConfigurationElement[] elms = exPoint.getExtensions()[i].getConfigurationElements();
for (int e = 0; e < elms.length; e++)
{
String javaName = elms[e].getAttribute("java-type").trim();
String mappingClassName = elms[e].getAttribute("mapping-class");
String fullWrapperClassName = elms[e].getAttribute("sco-wrapper");