public void doGet()

in core/src/main/java/org/apache/oozie/servlet/BaseJobServlet.java [284:384]
94 lines of code
17 McCabe index (conditional complexity)

    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String jobId = getResourceName(request);
        String show = request.getParameter(RestConstants.JOB_SHOW_PARAM);
        String timeZoneId = request.getParameter(RestConstants.TIME_ZONE_PARAM) == null
                ? "GMT" : request.getParameter(RestConstants.TIME_ZONE_PARAM);

        try {
            AuthorizationService auth = Services.get().get(AuthorizationService.class);
            auth.authorizeForJob(getUser(request), jobId, false);
        }
        catch (AuthorizationException ex) {
            throw new XServletException(HttpServletResponse.SC_UNAUTHORIZED, ex);
        }

        if (show == null || show.equals(RestConstants.JOB_SHOW_INFO)) {
            stopCron();
            JsonBean job = null;
            try {
                job = getJob(request, response);
            }
            catch (BaseEngineException e) {
                // TODO Auto-generated catch block
                // e.printStackTrace();

                throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, e);
            }
            startCron();
            sendJsonResponse(response, HttpServletResponse.SC_OK, job, timeZoneId);
        }
        else if (show.equals(RestConstants.ALL_WORKFLOWS_FOR_COORD_ACTION)) {
            stopCron();
            JSONObject json = getJobsByParentId(request, response);
            startCron();
            sendJsonResponse(response, HttpServletResponse.SC_OK, json);
        }
        else if (show.equals(RestConstants.JOB_SHOW_JMS_TOPIC)) {
            stopCron();
            String jmsTopicName = getJMSTopicName(request, response);
            JSONObject json = new JSONObject();
            json.put(JsonTags.JMS_TOPIC_NAME, jmsTopicName);
            startCron();
            sendJsonResponse(response, HttpServletResponse.SC_OK, json);
        }

        else if (show.equals(RestConstants.JOB_SHOW_LOG)) {
            response.setContentType(TEXT_UTF8);
            streamJobLog(request, response);
        }
        else if (show.equals(RestConstants.JOB_SHOW_ERROR_LOG)) {
            response.setContentType(TEXT_UTF8);
            streamJobErrorLog(request, response);
        }
        else if (show.equals(RestConstants.JOB_SHOW_AUDIT_LOG)) {
            response.setContentType(TEXT_UTF8);
            streamJobAuditLog(request, response);
        }

        else if (show.equals(RestConstants.JOB_SHOW_DEFINITION)) {
            stopCron();
            response.setContentType(XML_UTF8);
            String wfDefinition = getJobDefinition(request, response);
            startCron();
            response.setStatus(HttpServletResponse.SC_OK);
            response.getWriter().write(wfDefinition);
        }
        else if (show.equals(RestConstants.JOB_SHOW_GRAPH)) {
            stopCron();
            streamJobGraph(request, response);
            startCron(); // -- should happen before you stream anything in response?
        } else if (show.equals(RestConstants.JOB_SHOW_STATUS)) {
            stopCron();
            String status = getJobStatus(request, response);
            JSONObject json = new JSONObject();
            json.put(JsonTags.STATUS, status);
            startCron();
            sendJsonResponse(response, HttpServletResponse.SC_OK, json);
        } else if (show.equals(RestConstants.JOB_SHOW_ACTION_RETRIES_PARAM)) {
            stopCron();
            JSONArray retries = getActionRetries(request, response);
            JSONObject json = new JSONObject();
            json.put(JsonTags.WORKFLOW_ACTION_RETRIES, retries);
            startCron();
            sendJsonResponse(response, HttpServletResponse.SC_OK, json);
        }
        else if (show.equals(RestConstants.COORD_ACTION_MISSING_DEPENDENCIES)) {
            stopCron();
            JSONObject json = getCoordActionMissingDependencies(request, response);
            startCron();
            sendJsonResponse(response, HttpServletResponse.SC_OK, json);
        }
        else if (show.equals(RestConstants.JOB_SHOW_WF_ACTIONS_IN_COORD)) {
            stopCron();
            JSONObject json = getWfActionByJobIdAndName(request, response);
            startCron();
            sendJsonResponse(response, HttpServletResponse.SC_OK, json);
        }
        else {
            throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0303,
                    RestConstants.JOB_SHOW_PARAM, show);
        }
    }