code: public String getELExpression()
     {
  
        // build the expression if not already done
        if (expression == null)
        {
  
           /*
            * Build the expression. Note that findBeanName() will either
            * return the resolved bean name or throw a runtime exception
            */
           expression = "#{" + finder.findBeanName(beanClass) + "." + component + "}";
  
           // log the resolved expression on trace level
           if (log.isTraceEnabled())
           {
              log.trace("Lazy expression resolved to: " + expression);
           }
  
        }
        return expression;
     }
docs: /*
  @see com.ocpsoft.pretty.faces.expression.PrettyExpression#getELExpression()