final XmlSchema xmlSchemaAnnotation = modelElementType.getAnnotation( XmlSchema.class );
if( xmlSchemaAnnotation != null )
{
final String xmlSchemaNamespace = xmlSchemaAnnotation.namespace().trim();
final String xmlSchemaLocation = xmlSchemaAnnotation.location().trim();
if( xmlSchemaNamespace.length() != 0 && xmlSchemaLocation.length() != 0 )
{
schemas.put( xmlSchemaNamespace, xmlSchemaLocation );
}