private void regenerate()

in java/com/facebook/soloader/UnpackingSoSource.java [320:362]
40 lines of code
11 McCabe index (conditional complexity)

  private void regenerate(byte state, DsoManifest desiredManifest, InputDsoIterator dsoIterator)
      throws IOException {
    Log.v(TAG, "regenerating DSO store " + getClass().getName());
    File manifestFileName = new File(soDirectory, MANIFEST_FILE_NAME);
    try (RandomAccessFile manifestFile = new RandomAccessFile(manifestFileName, "rw")) {
      DsoManifest existingManifest = null;
      if (state == STATE_CLEAN) {
        try {
          existingManifest = DsoManifest.read(manifestFile);
        } catch (Exception ex) {
          Log.i(TAG, "error reading existing DSO manifest", ex);
        }
      }

      if (existingManifest == null) {
        existingManifest = new DsoManifest(new Dso[0]);
      }

      deleteUnmentionedFiles(desiredManifest.dsos);
      byte[] ioBuffer = new byte[32 * 1024];
      while (dsoIterator.hasNext()) {
        try (InputDso iDso = dsoIterator.next()) {
          boolean obsolete = true;
          for (int i = 0; obsolete && i < existingManifest.dsos.length; ++i) {
            String iDsoName = iDso.getDso().name;
            if (existingManifest.dsos[i].name.equals(iDsoName)
                && existingManifest.dsos[i].hash.equals(iDso.getDso().hash)) {
              obsolete = false;
            }
          }
          File dsoFile = new File(soDirectory, iDso.getFileName());
          if (!dsoFile.exists()) {
            // so file exists, but file name changed
            obsolete = true;
          }
          if (obsolete) {
            extractDso(iDso, ioBuffer);
          }
        }
      }
    }
    Log.v(TAG, "Finished regenerating DSO store " + getClass().getName());
  }