public Path copyJar()

in source/benchmark-sample/tpcds-gen/src/main/java/org/notmysock/tpcds/GenTable.java [113:130]

• 17 lines of code
• 1 McCabe index (conditional complexity)

    public Path copyJar(File jar) throws Exception {
      MessageDigest md = MessageDigest.getInstance("MD5");
      InputStream is = new FileInputStream(jar);
      try {
        is = new DigestInputStream(is, md);
        // read stream to EOF as normal...
      }
      finally {
        is.close();
      }
      BigInteger md5 = new BigInteger(md.digest()); 
      String md5hex = md5.toString(16);
      Path dst = new Path(String.format("/tmp/%s.jar",md5hex));
      Path src = new Path(jar.toURI());
      FileSystem fs = FileSystem.get(getConf());
      fs.copyFromLocalFile(false, /*overwrite*/true, src, dst);
      return dst; 
    }