static void jar()

in harness/src/main/java/org/apache/geode/perftest/jvms/classpath/JarUtil.java [43:66]

• 22 lines of code
• 2 McCabe index (conditional complexity)

  static void jar(File file, File outputFile) throws IOException {
    Manifest manifest = new Manifest();
    try (FileOutputStream fileOutputStream = new FileOutputStream(outputFile);
        JarOutputStream outputStream = new JarOutputStream(fileOutputStream, manifest)) {
      Path start = file.toPath();

      Files.walkFileTree(start, new SimpleFileVisitor<Path>() {
        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
            throws IOException {
          if (file.toFile().isDirectory()) {
            return FileVisitResult.CONTINUE;
          }

          JarEntry entry = new JarEntry(start.relativize(file).toString());
          outputStream.putNextEntry(entry);
          try (FileInputStream input = new FileInputStream(file.toFile())) {
            IOUtils.copy(input, outputStream);
          }
          return FileVisitResult.CONTINUE;
        }
      });
    }
  }