code: private Object getComponent(JspContext context) throws JspTagException
  	{
  		int scope = context.getAttributesScope(name);
  
  		if (scope == 0)
  		{
  			throw new JspTagException("Cannot find component: " + name);
  		}
  		
  		return context.getAttribute(name, scope);
  	}
docs: ----------------------------------------------------------------------------------------------------------------