public _PrivilegedExceptionAction_149(ListPathsServlet _enclosing, XMLOutputter doc
                                       , IDictionary <string, string> root, string filePath, string path, Sharpen.Pattern
                                       exclude, Sharpen.Pattern filter, bool recur)
 {
     this._enclosing = _enclosing;
     this.doc        = doc;
     this.root       = root;
     this.filePath   = filePath;
     this.path       = path;
     this.exclude    = exclude;
     this.filter     = filter;
     this.recur      = recur;
 }
            /// <exception cref="System.IO.IOException"/>
            public Void Run()
            {
                ClientProtocol nn = this._enclosing.CreateNameNodeProxy();

                doc.Declaration();
                doc.StartTag("listing");
                foreach (KeyValuePair <string, string> m in root)
                {
                    doc.Attribute(m.Key, m.Value);
                }
                HdfsFileStatus @base = nn.GetFileInfo(filePath);

                if ((@base != null) && @base.IsDir())
                {
                    ListPathsServlet.WriteInfo(@base.GetFullPath(new Path(path)), @base, doc);
                }
                Stack <string> pathstack = new Stack <string>();

                pathstack.Push(path);
                while (!pathstack.Empty())
                {
                    string p = pathstack.Pop();
                    try
                    {
                        byte[]           lastReturnedName = HdfsFileStatus.EmptyName;
                        DirectoryListing thisListing;
                        do
                        {
                            System.Diagnostics.Debug.Assert(lastReturnedName != null);
                            thisListing = nn.GetListing(p, lastReturnedName, false);
                            if (thisListing == null)
                            {
                                if (lastReturnedName.Length == 0)
                                {
                                    DfsServlet.Log.Warn("ListPathsServlet - Path " + p + " does not exist");
                                }
                                break;
                            }
                            HdfsFileStatus[] listing = thisListing.GetPartialListing();
                            foreach (HdfsFileStatus i in listing)
                            {
                                Path   fullpath  = i.GetFullPath(new Path(p));
                                string localName = fullpath.GetName();
                                if (exclude.Matcher(localName).Matches() || !filter.Matcher(localName).Matches())
                                {
                                    continue;
                                }
                                if (recur && i.IsDir())
                                {
                                    pathstack.Push(new Path(p, localName).ToUri().GetPath());
                                }
                                ListPathsServlet.WriteInfo(fullpath, i, doc);
                            }
                            lastReturnedName = thisListing.GetLastName();
                        }while (thisListing.HasMore());
                    }
                    catch (IOException re)
                    {
                        this._enclosing.WriteXml(re, p, doc);
                    }
                }
                return(null);
            }