public StreamingOutput getStreamingOutput()

in rest-api/src/jetbrains/buildServer/server/rest/data/ArchiveElement.java [79:141]
59 lines of code
13 McCabe index (conditional complexity)

  public StreamingOutput getStreamingOutput(@Nullable final Long startOffset, @Nullable final Long length, final Supplier<String> detailsForLog) {
    if (startOffset != null || length != null){
      throw new IllegalStateException("Partial streaming is not yet supported");
    }

    return out -> {
        final ZipArchiveOutputStream resultOutput = new ZipArchiveOutputStream(new BufferedOutputStream(out));
        resultOutput.setEncoding(null); // TW-12815
        int errorsCount = 0;
        try {
          for (ArtifactTreeElement artifact : myArtifacts) { //todo: need to read-lock artifacts???
            if (!artifact.isLeaf()){
              //process a directory
              String directoryFullName = artifact.getFullName();
              if (!directoryFullName.endsWith("/")){
                directoryFullName += "/";
              }
              ZipArchiveEntry entry = new ZipArchiveEntry(directoryFullName);
              final Long lastModified = artifact.getLastModified();
              if (lastModified != null) entry.setTime(lastModified);
              try {
                resultOutput.putArchiveEntry(entry);
                resultOutput.closeArchiveEntry();
              } catch (IOException e) {
                errorsCount++;
                LOG.warnAndDebugDetails("Error packing directory, ignoring. Directory: '" + artifact.getFullName() + "'", e);
              }
            }

            if (!artifact.isContentAvailable()) continue;

            try {
              InputStream stream = artifact.getInputStream();
              try {
                ZipArchiveEntry entry = new ZipArchiveEntry(artifact.getFullName());
                final Long lastModified = artifact.getLastModified();
                if (lastModified != null) entry.setTime(lastModified); //might need to add more, see com.intellij.util.io.ZipUtil.addFileToZip()
                resultOutput.putArchiveEntry(entry);
                try {
                  FileUtil.copyStreams(stream, resultOutput);
                } finally {
                  resultOutput.closeArchiveEntry();
                }
              } finally {
                FileUtil.close(stream);
              }
            } catch (IOException e) {
              errorsCount++;
              LOG.warnAndDebugDetails("Error packing artifact, ignoring. File: '" + artifact.getFullName() + "'", e);
            }
          }
        } finally {
          if (errorsCount > 0) {
            LOG.warn("Encountered " + errorsCount + " errors while processing " + detailsForLog.get());
          }
          try {
            resultOutput.close();
          } catch (Exception e) {
            LOG.warnAndDebugDetails("Error closing archived stream", e);
        }
      }
    };
  }