OpenIDE.Core.Commands.CacheFormatter.FormatFile C# (CSharp) Method

        public string FormatFile(string file)
        {
            return string.Format("file|{0}", file);
        }

        public void Handle(Guid clientID, CommandMessage message)
        {
            Logger.Write("arg count is " + message.Arguments.Count.ToString());
            if (message.Arguments.Count > 2 || message.Arguments.Count == 0)
                return;
            if (clientID == Guid.Empty)
                return;
            var limit = 0;
            if (message.Arguments.Count == 2) {
                Logger.Write("arg is " + message.Arguments[1]);
                int limitParam;
                if (!int.TryParse(message.Arguments[1], out limitParam))
                    return;
                if (limitParam <= 0)
                    return;
                limit = limitParam;
            }
            var sb = new StringBuilder();
            sb.Append(message.CorrelationID);
            var formatter = new CacheFormatter();
            List<IGrouping<string, ICodeReference>> result;
            Logger.Write("Taking " + limit.ToString());
            if (limit > 0)
                result = _cache.Find(message.Arguments[0], limit).GroupBy(x => x.File).ToList();
            else
                result = _cache.Find(message.Arguments[0]).GroupBy(x => x.File).ToList();

            result.ForEach(x => {
                sb.AppendLine(formatter.FormatFile(x.Key));
                x.ToList()
                    .ForEach(y => sb.AppendLine(formatter.Format(y)));
            });
            _endpoint.Send(sb.ToString(), clientID);
        }