private EntitySearchFilter[] getEntitySearchFilter(Channel channel, String langCode) {
String contentType = channel.getContentType();
String showletParam = channel.getFilters();
EntitySearchFilter[] entitySearchFilters = null;
if (null!=showletParam && showletParam.trim().length()>0) {
EntitySearchFilterDOM dom = new EntitySearchFilterDOM();
entitySearchFilters = dom.getFilters(contentType, showletParam,this.getContentManager(), langCode);
} else {
entitySearchFilters = new EntitySearchFilter[0];
}
return entitySearchFilters;
}