*/
public void engineStart(RuleContext context)
throws EngineException
{
if( ruleNames == null )
throw new EngineException( "Tag <ruleset rules='...'/>, attribute rules is mandatory." );
String names[] = ruleNames.split(",");
for(int i=0; i<names.length; i++)
{
String ruleName = names[i].trim();
Rule rule = context.getTransformation().getRuleSet().getRule(ruleName);
if(rule == null )
throw new EngineException( "Tag <ruleset rules='"+ ruleName
+ "' />. Can't find rule '" + ruleName + "'." );
addRule(rule);
}
super.engineStart(context);
}