How to use

IndexWriter

in

org.jboss.jandex

/**
 * Writes the specified index to the associated output stream. This may be called multiple times in order
 * to write multiple indexes. The default version of index file is used.
 *
 * @param index the index to write to the stream
 * @return the number of bytes written to the stream
 * @throws IOException if the underlying stream fails
 */
public int write(Index index) throws IOException {
  return write(index, IndexWriterV2.MAX_VERSION);
}

private Result indexDirectory(File source, Indexer indexer) throws FileNotFoundException, IOException {
  File outputFile = this.outputFile;
  scanFile(source, indexer);
  if (modify) {
    new File(source, "META-INF").mkdirs();
    outputFile = new File(source, "META-INF/jandex.idx");
  }
  if (outputFile == null) {
    outputFile = new File(source.getName().replace('.', '-') + ".idx");
  }
  FileOutputStream out = new FileOutputStream(outputFile);
  IndexWriter writer = new IndexWriter(out);
  try {
    Index index = indexer.complete();
    int bytes = writer.write(index);
    return new Result(index, outputFile.getPath(), bytes, outputFile);
  } finally {
    out.flush();
    out.close();
  }
}

/**
 * Writes the specified index to the associated output stream. This may be called multiple times in order
 * to write multiple indexes.
 *
 * @param index the index to write to the stream
 * @param version the index file version
 * @return the number of bytes written to the stream
 * @throws IOException if any i/o error occurs
 */
public int write(Index index, int version) throws IOException {
  IndexWriterImpl writer = getWriter(version);
  if (writer == null) {
    throw new UnsupportedVersion("Version: " + version);
  }
  return writer.write(index, version);
}

  IndexWriter writer = new IndexWriter(out);
  Index index = indexer.complete();
  writer.write(index);
  return index;
} catch (IOException e) {

IndexWriter writer = new IndexWriter(out);
Index index = indexer.complete();
int bytes = writer.write(index);

/**
 * Writes the specified index to the associated output stream. This may be called multiple times in order
 * to write multiple indexes.
 *
 * @param index the index to write to the stream
 * @param version the index file version
 * @return the number of bytes written to the stream
 * @throws IOException if any i/o error occurs
 */
@Deprecated
public int write(Index index, byte version) throws IOException {
  return this.write(index, version & 0xFF);
}

IndexWriter writer = new IndexWriter(data);
writer.write(index);