This code parses directories into Java package structure. Its even recursive!

code_package_view_shame.rb

# from https://github.com/kattrali/redcar-code-package-view/blob/master/lib/code_package_view.rb#L43

def self.package_directory(adapter,base_path,path,nodes=[],path_name=File.basename(path))
      has_excluded_dirs = false
      has_files = false
      Dir["#{path.to_s}/*/"].map do |a|
        unless File.basename(a) =~ /^\./ # exclude hidden dirs from being packaged
          excluded = false
          Preferences.excluded_patterns.each do |ex|
            if a =~ /#{ex}/ and not excluded
              excluded = true
              has_excluded_dirs = true
              nodes << TreeMirror::Node.new(adapter,a,:dir,false) if path == base_path
            end
          end
          if path == base_path
            a_path_name = File.basename(a)
          else
            a_path_name = path_name+"."+File.basename(a)
          end
          unless excluded
            CodePackageView.package_directory(adapter,base_path,a,nodes,a_path_name)
          end
        end
      end
      Dir.glob(File.join(path, "*")).each do |file_path|
        if File.file?(file_path)
          has_files = true
          if path == base_path
            nodes << TreeMirror::Node.new(adapter,file_path,:file,false)
          end
        end
      end
      nodes << TreeMirror::PackageNode.new(adapter,path_name,path) if (has_files or has_excluded_dirs) and not path == base_path
    end