Exemplo n.º 1
0
        /// <exception cref="System.IO.IOException"/>
        protected override void DoGet(HttpServletRequest req, HttpServletResponse resp)
        {
            resp.SetContentType("application/json; charset=UTF-8");
            StartupProgress prog = NameNodeHttpServer.GetStartupProgressFromContext(GetServletContext
                                                                                        ());
            StartupProgressView view = prog.CreateView();
            JsonGenerator       json = new JsonFactory().CreateJsonGenerator(resp.GetWriter());

            try
            {
                json.WriteStartObject();
                json.WriteNumberField(ElapsedTime, view.GetElapsedTime());
                json.WriteNumberField(PercentComplete, view.GetPercentComplete());
                json.WriteArrayFieldStart(Phases);
                foreach (Phase phase in view.GetPhases())
                {
                    json.WriteStartObject();
                    json.WriteStringField(Name, phase.GetName());
                    json.WriteStringField(Desc, phase.GetDescription());
                    json.WriteStringField(Status, view.GetStatus(phase).ToString());
                    json.WriteNumberField(PercentComplete, view.GetPercentComplete(phase));
                    json.WriteNumberField(ElapsedTime, view.GetElapsedTime(phase));
                    WriteStringFieldIfNotNull(json, File, view.GetFile(phase));
                    WriteNumberFieldIfDefined(json, Size, view.GetSize(phase));
                    json.WriteArrayFieldStart(Steps);
                    foreach (Step step in view.GetSteps(phase))
                    {
                        json.WriteStartObject();
                        StepType type = step.GetType();
                        if (type != null)
                        {
                            json.WriteStringField(Name, type.GetName());
                            json.WriteStringField(Desc, type.GetDescription());
                        }
                        json.WriteNumberField(Count, view.GetCount(phase, step));
                        WriteStringFieldIfNotNull(json, File, step.GetFile());
                        WriteNumberFieldIfDefined(json, Size, step.GetSize());
                        json.WriteNumberField(Total, view.GetTotal(phase, step));
                        json.WriteNumberField(PercentComplete, view.GetPercentComplete(phase, step));
                        json.WriteNumberField(ElapsedTime, view.GetElapsedTime(phase, step));
                        json.WriteEndObject();
                    }
                    json.WriteEndArray();
                    json.WriteEndObject();
                }
                json.WriteEndArray();
                json.WriteEndObject();
            }
            finally
            {
                IOUtils.Cleanup(Log, json);
            }
        }