private Collection findCommand()

in command.line/java/com/jetbrains/teamcity/command/CommandRegistry.java [53:97]
43 lines of code
12 McCabe index (conditional complexity)

  private Collection<ICommand> findCommand() {
    final HashSet<ICommand> result = new HashSet<ICommand>();
    if (getClass().getClassLoader() instanceof URLClassLoader) {
      final URLClassLoader loader = (URLClassLoader) getClass().getClassLoader();
      for (URL url : loader.getURLs()) {
        final File file = new File(url.getFile());
        if (file.isDirectory()) {
          final ArrayList<File> children = new ArrayList<File>();
          FileUtil.collectMatchedFiles(file, Pattern.compile(".*\\.class"), children);
          for (File child : children) {
            if (isSimpleClass(child.getPath())) {// do not touch inner classes
              final String classFilePath = FileUtil.getRelativePath(file, child);
              final String className = getClassName(classFilePath);
              final ICommand instance = createCommand(className);
              if (instance != null) {
                result.add(instance);
              }
            }
          }
        } else {
          // jars
          try {
            final JarFile jar = new JarFile(file);
            if (!isCommandExtensionJar(jar.getName())) {
              Debug.getInstance().debug(CommandRegistry.class, MessageFormat.format("New commans jar found: {0}", jar.getName()));
              final Enumeration<JarEntry> entries = jar.entries();
              while (entries.hasMoreElements()) {
                final String fileName = entries.nextElement().getName();
                if (isSimpleClass(fileName)) {
                  final String className = getClassName(fileName);
                  final ICommand instance = createCommand(className);
                  if (instance != null) {
                    result.add(instance);
                  }
                }
              }
            }
          } catch (IOException e) {
            // do nothing
          }
        }
      }
    }
    return result;
  }