protected void downloadFile()

in src/main/java/com/google/devtools/build/remote/client/AbstractRemoteActionCache.java [178:202]

• 23 lines of code
• 6 McCabe index (conditional complexity)

  protected void downloadFile(
      Path path, Digest digest, boolean isExecutable, @Nullable ByteString content)
      throws IOException {
    Files.createDirectories(path.getParent());
    if (digest.getSizeBytes() == 0) {
      // Handle empty file locally.
      Files.createFile(path);
    } else {
      if (content != null && !content.isEmpty()) {
        try (OutputStream stream = Files.newOutputStream(path)) {
          content.writeTo(stream);
        }
      } else {
        downloadBlob(digest, path);
        Digest receivedDigest = digestUtil.compute(path);
        if (!receivedDigest.equals(digest)) {
          throw new IOException("Digest does not match " + receivedDigest + " != " + digest);
        }
      }
    }
    // setExecutable doesn't work on Windows, nor is it required.
    if (!System.getProperty("os.name").startsWith("Windows")) {
      setExecutable(path, isExecutable);
    }
  }