public void render()

in birt/src/main/java/org/apache/ofbiz/birt/webapp/view/BirtViewHandler.java [76:164]
74 lines of code
18 McCabe index (conditional complexity)

    public void render(String name, String page, String info,
            String contentType, String encoding, HttpServletRequest request,
            HttpServletResponse response) throws ViewHandlerException {

        try {
            IReportEngine engine = org.apache.ofbiz.birt.BirtFactory.getReportEngine();
            // open report design
            IReportRunnable design = null;

            // add dynamic parameter for page
            if (UtilValidate.isEmpty(page) || "ExecuteFlexibleReport".equals(page)) {
                page = request.getParameter("rptDesignFile");
            }
            if (UtilValidate.isEmpty(page)) {
                Locale locale = request.getLocale();
                throw new ViewHandlerException(UtilProperties.getMessage(RES_ERROR, "BirtErrorNotPublishedReport", locale));
            }
            if (page.startsWith("component://")) {
                InputStream reportInputStream = BirtFactory.getReportInputStreamFromLocation(page);
                design = engine.openReportDesign(reportInputStream);
            } else {
                design = engine.openReportDesign(page);
            }

            Map<String, Object> appContext = UtilGenerics.cast(engine.getConfig().getAppContext());
            BirtWorker.setWebContextObjects(appContext, request, response);

            Map<String, Object> context = new HashMap<>();
            // set parameters from request
            Map<String, Object> parameters = UtilGenerics.cast(request.getAttribute(BirtWorker.getBirtParameters()));
            if (parameters != null) {
                context.put(BirtWorker.getBirtParameters(), parameters);
            } else {
                context.put(BirtWorker.getBirtParameters(), UtilHttp.getParameterMap(request));
            }
            // set locale from request
            Locale locale = (Locale) request.getAttribute(BirtWorker.getBirtLocale());
            if (locale == null) {
                locale = UtilHttp.getLocale(request);
            }

            // set override content type
            String overrideContentType = request.getParameter(BirtWorker.getBirtContentType());
            if (UtilValidate.isNotEmpty(overrideContentType)) {
                contentType = overrideContentType;
            }

            // set output file name to get also file extension
            String outputFileName = request.getParameter(BirtWorker.getBirtOutputFileName());
            if (UtilValidate.isNotEmpty(outputFileName)) {
                outputFileName = BirtUtil.encodeReportName(outputFileName);
                String format = BirtUtil.getMimeTypeFileExtension(contentType);
                if (!outputFileName.endsWith(format)) {
                    outputFileName = outputFileName.concat(format);
                }
                outputFileName = UtilHttp.canonicalizeParameter(outputFileName);
                response.setHeader("Content-Disposition", "attachment; filename=" + outputFileName);
            }

            // checking consistency between Birt content type and response content type
            if (!contentType.equals(response.getContentType())) {
                response.setContentType(contentType);
            }

            context.put(BirtWorker.getBirtLocale(), locale);
            Delegator delegator = (Delegator) request.getAttribute("delegator");
            String birtImageDirectory = EntityUtilProperties.getPropertyValue("birt", "birt.html.image.directory", delegator);
            context.put(BirtWorker.getBirtImageDirectory(), birtImageDirectory);
            BirtWorker.exportReport(design, context, contentType, response.getOutputStream());
        } catch (BirtException e) {
            throw new ViewHandlerException("Birt Error create engine: " + e.toString(), e);
        } catch (IOException e) {
            throw new ViewHandlerException("Error in the response writer/output stream: " + e.toString(), e);
        } catch (SQLException e) {
            throw new ViewHandlerException("get connection error: " + e.toString(), e);
        } catch (GenericEntityException e) {
            throw new ViewHandlerException("generic entity error: " + e.toString(), e);
        } catch (GeneralException e) {
            throw new ViewHandlerException("general error: " + e.toString(), e);
        } catch (SAXException se) {
            String errMsg = "Error SAX rendering " + page + " view handler: " + se.toString();
            Debug.logError(se, errMsg, MODULE);
            throw new ViewHandlerException(errMsg, se);
        } catch (ParserConfigurationException pe) {
            String errMsg = "Error parser rendering " + page + " view handler: " + pe.toString();
            Debug.logError(pe, errMsg, MODULE);
            throw new ViewHandlerException(errMsg, pe);
        }
    }