public WebfileInfo writeWebfile()

in java/io/bazel/rules/closure/webfiles/WebfilesWriter.java [121:169]
45 lines of code
3 McCabe index (conditional complexity)

  public WebfileInfo writeWebfile(WebfileInfo webfile, @WillNotClose InputStream input)
      throws IOException {
    checkNotNull(input, "input");
    String name = WebfilesUtils.getZipEntryName(webfile);
    createEntriesForParentDirectories(name);
    ZipEntry entry = new ZipEntry(name);
    entry.setComment(webfile.getRunpath());
    // Build outputs need to be deterministic. Bazel also doesn't care about modified times because
    // it uses the file digest to determine if a file is invalidated. So even if we did copy the
    // time information from the original file, it still might not be a good idea.
    entry.setCreationTime(EPOCH);
    entry.setLastModifiedTime(EPOCH);
    entry.setLastAccessTime(EPOCH);
    if (isAlreadyCompressed(webfile.getWebpath())) {
      // When opting out of compression, ZipOutputStream expects us to do ALL THIS
      entry.setMethod(ZipEntry.STORED);
      if (input instanceof ByteArrayInputStream) {
        entry.setSize(input.available());
        Hasher hasher = Hashing.crc32().newHasher();
        input.mark(-1);
        ByteStreams.copy(input, Funnels.asOutputStream(hasher));
        input.reset();
        entry.setCrc(hasher.hash().padToLong());
      } else {
        byte[] data = ByteStreams.toByteArray(input);
        entry.setSize(data.length);
        entry.setCrc(Hashing.crc32().hashBytes(data).padToLong());
        input = new ByteArrayInputStream(data);
      }
    } else {
      entry.setMethod(ZipEntry.DEFLATED);
    }
    HasherInputStream source = new HasherInputStream(input, Hashing.sha256().newHasher());
    long offset = channel.position();
    zip.putNextEntry(entry);
    ByteStreams.copy(source, zip);
    zip.closeEntry();
    buffer.flush();
    WebfileInfo result =
        webfile
            .toBuilder()
            .clearPath() // Now that it's in the zip, we don't need the ctx.action execroot path.
            .setInZip(true)
            .setOffset(offset)
            .setDigest(ByteString.copyFrom(source.hasher.hash().asBytes()))
            .build();
    webfiles.add(result);
    return result;
  }