public Files updateFiles(String fileID, String projectID, String format, String fileName, String location) {
    	 Files file = manager.find(Files.class, fileID);
    	 if (file != null) {
    		 file.setProjectID(projectID);
    	    	file.setFileID(fileID);
    	    	file.setFormat(format);
    	    	file.setFileName(fileName);
    	    	file.setLocation(location);
    	 }
    	 return file;
     }