public void execute()

in src/main/java/com/netflix/bdp/s3mper/cli/FileSystemVerifyCommand.java [59:97]
29 lines of code
4 McCabe index (conditional complexity)

    public void execute(Configuration conf, String[] args) throws Exception {
        CmdLineParser parser = new CmdLineParser(this);
        
        String keyId = conf.get("fs.s3n.awsAccessKeyId");
        String keySecret = conf.get("fs.s3n.awsSecretAccessKey");
        
        s3 = new AmazonS3Client(new BasicAWSCredentials(keyId, keySecret));
        
        try {
            parser.parseArgument(args);
            
            ExecutorService executor = Executors.newFixedThreadPool(threads);
            List<Future> futures = new ArrayList<Future>();
            
            BufferedReader fin = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF8"));
            
            try {
                for(String line = fin.readLine(); line != null; line = fin.readLine()) {
                    futures.add(executor.submit(new FileCheckTask(new Path(line.trim()))));
                }
            } finally {
                fin.close();
            }
            
            for(Future f : futures) {
                f.get();
            }
            
            executor.shutdown();
        } catch (CmdLineException e) {
            System.err.println(e.getMessage());
            System.err.println("s3mper fs verify [options]");
            // print the list of available options
            parser.printUsage(System.err);
            System.err.println();

            System.err.println(" Example: s3mper fs verify "+parser.printExample(OptionHandlerFilter.ALL));
        }
    }