public FileInfo getNext()

in agent/src/jetbrains/buildServer/swabra/snapshots/iteration/FileSystemFilesIterator.java [37:91]
54 lines of code
16 McCabe index (conditional complexity)

  public FileInfo getNext() throws IOException {
    boolean postProcess = true;
    while (true) {
      if (myIterators == null) {
        myIterators = new Stack<Iterator<File>>();
        return processFolder(myRootFolder, myRules.shouldInclude(myRootFolder.getPath()));
      }
      if (myIterators.size() > MAX_DEPTH) {
        final StringBuilder builder = new StringBuilder();
        int iteratorsCount = myIterators.size();
        for (int i=0; i<iteratorsCount; i++){
          final Iterator<File> iterator = myIterators.get(i);
          if (iterator.hasNext()) {
            builder.append(iterator.next().getAbsolutePath());
          } else {
            builder.append("<Empty iterator>");
          }
          builder.append("\n");
        }
        LOG.warn("Too many entries in depth (" + iteratorsCount + "). Printing the list: \n" + builder.toString());
        throw new IOException("Too many entries in depth. Is there a loop. Current folder depth is more than " + MAX_DEPTH);
      }
      if (myIterators.isEmpty()) {
        return null;
      }
      final Iterator<File> it = myIterators.peek();
      while (it.hasNext()) {
        final File next = it.next();
        boolean shouldInclude = myRules.shouldInclude(next.getPath());
        if ((next.isDirectory() && myRequiresListing) || shouldInclude) {
          if (next.isFile()) {
            return createFileInfo(next);
          } else if (next.isDirectory()) {
            FileInfo processResult = processFolder(next, shouldInclude);
            if (processResult != null)
              return processResult;
            else {
              //return getNext();
              postProcess = false;
              break;
            }
          } else {
            throw new IOException("Failed to read " + next);
          }
        }
      }
      if (postProcess) {
        myIterators.pop();
        if (myIterators.isEmpty()) {
          return null;
        }
      }
      postProcess = true;
    }
  }