code: public List<ESIndice> getIndexes() throws ElasticSearchException{
  		 String data = this.client.executeHttp("_cat/indices?v",HTTP_GET);
           logger.debug(data);
  
           if(SimpleStringUtil.isNotEmpty(data)){
  			try {
  				List<ESIndice> indices = extractIndice(data);
  				 return indices;
  			} catch (IOException e) {
  				throw new ElasticSearchException(e);
  			}
          	
           }
           return null;
  	 }
docs: health status index                         uuid                   pri rep docs.count docs.deleted store.size pri.store.size
  获取elasticsearch索引监控数据
  @return
  @throws ElasticSearchException