private static String extension()

in java/com/google/gitiles/BlobSoyData.java [178:202]

• 24 lines of code
• 13 McCabe index (conditional complexity)

  private static String extension(String path, String content) {
    if (content.startsWith("#!/bin/sh") || content.startsWith("#!/bin/bash")) {
      return "sh";
    } else if (content.startsWith("#!/usr/bin/perl")) {
      return "pl";
    } else if (content.startsWith("#!/usr/bin/python")) {
      return "py";
    } else if (path == null) {
      return null;
    }

    int slash = path.lastIndexOf('/');
    int dot = path.lastIndexOf('.');
    String ext = ((0 < dot) && (slash < dot)) ? path.substring(dot + 1) : null;
    if ("txt".equalsIgnoreCase(ext)) {
      return null;
    } else if ("mk".equalsIgnoreCase(ext)) {
      return "sh";
    } else if ("Makefile".equalsIgnoreCase(path)
        || ((0 < slash) && "Makefile".equalsIgnoreCase(path.substring(slash + 1)))) {
      return "sh";
    } else {
      return ext;
    }
  }