public List getSplits()

in src/main/java/com/hadoop/mapreduce/LzoTextInputFormat.java [100:143]
30 lines of code
7 McCabe index (conditional complexity)

  public List<InputSplit> getSplits(JobContext job) throws IOException {
    List<InputSplit> splits = super.getSplits(job);
    Configuration conf = CompatibilityUtil.getConfiguration(job);
    // find new start/ends of the filesplit that aligns
    // with the lzo blocks

    List<InputSplit> result = new ArrayList<InputSplit>();

    for (InputSplit genericSplit : splits) {
      FileSplit fileSplit = (FileSplit) genericSplit;
      Path file = fileSplit.getPath();
      FileSystem fs = file.getFileSystem(conf);

      if (!LzoInputFormatCommon.isLzoFile(file.toString())) {
        // non-LZO file, keep the input split as is.
        result.add(fileSplit);
        continue;
      }

      // LZO file, try to split if the .index file was found
      LzoIndex index = indexes.get(file);
      if (index == null) {
        throw new IOException("Index not found for " + file);
      }

      if (index.isEmpty()) {
        // empty index, keep as is
        result.add(fileSplit);
        continue;
      }

      long start = fileSplit.getStart();
      long end = start + fileSplit.getLength();

      long lzoStart = index.alignSliceStartToIndex(start, end);
      long lzoEnd = index.alignSliceEndToIndex(end, fs.getFileStatus(file).getLen());

      if (lzoStart != LzoIndex.NOT_FOUND  && lzoEnd != LzoIndex.NOT_FOUND) {
        result.add(new FileSplit(file, lzoStart, lzoEnd - lzoStart, fileSplit.getLocations()));
      }
    }

    return result;
  }