protected CmsSubscriptionFilter getSubscriptionFilter(CmsObject cms, String param) throws CmsException {

        return getSubscriptionFilter(cms, getParameters(param));
    }
protected CmsSubscriptionFilter getSubscriptionFilter ( CmsObject cms , String param ) throws CmsException { return getSubscriptionFilter ( cms , getParameters ( param ) ) ; }
Returns the configured subscription filter to use.<p>

@param cms the current users context
@param param an optional collector parameter

@return the configured subscription filter to use

@throws CmsException if something goes wrong