@Override public void start() throws Exception { FileMetaData metaDatas[] = srm.getFileMetaData(surl_strings); if (metaDatas == null || metaDatas.length == 0) { throw new Exception("received empty set of FileMetaData"); } for (FileMetaData metaData : metaDatas) { System.out.println("FileMetaData(" + metaData.SURL + ")=\n" + metaData.toString()); } }