public void doPost(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException { String result = ""; try { String action = req.getParameter("action"); if (action == null) { result = "<html><head>" + "<title>Worklet Dynamic Process Selection and Exception Service</title>" + "</head><body>" + "<H3>Welcome to the Worklet Dynamic Process Selection and " + "Exception Service \"Gateway\"</H3>" + "<p> The Worklet Gateway acts as a bridge between the Worklet " + "Service and the external RDREditor (it isn't meant to be browsed " + " to directly). It provides the " + "functionality to trigger a running worklet replacement " + "due to an addtion to the ruleset (by the editor).</p>" + "</body></html>"; } else if (action.equalsIgnoreCase("replace")) { _log.info("Received a request from the Rules Editor to replace " + "a running worklet."); String itemID = req.getParameter("itemID"); int exType = Integer.parseInt(req.getParameter("exType")); // get the service instance and call replace if (exType == WorkletService.XTYPE_SELECTION) { WorkletService ws = WorkletService.getInstance(); result = ws.replaceWorklet(itemID); } else { String caseID = req.getParameter("caseID"); String trigger = req.getParameter("trigger"); ExceptionService ex = ExceptionService.getInst(); result = ex.replaceWorklet(exType, caseID, itemID, trigger); } } else if (action.equalsIgnoreCase("refresh")) { String specID = req.getParameter("specid"); String specVersion = req.getParameter("specversion"); String specURI = req.getParameter("specuri"); WorkletService ws = WorkletService.getInstance(); ws.refreshRuleSet(new YSpecificationID(specID, specVersion, specURI)); } // generate the output OutputStreamWriter outputWriter = ServletUtils.prepareResponse(res); ServletUtils.finalizeResponse(outputWriter, result); } catch (Exception e) { _log.error("Exception in doPost()", e); } }
public void init() { if (!Library.wsInitialised) { try { ServletContext context = getServletContext(); Library.setHomeDir(context.getRealPath("/")); Library.setRepositoryDir(context.getInitParameter("Repository")); String persistStr = context.getInitParameter("EnablePersistence"); Library.setPersist(persistStr.equalsIgnoreCase("TRUE")); String engineURI = context.getInitParameter("InterfaceB_BackEnd"); WorkletService.getInstance().initEngineURI(engineURI); WorkletService.getInstance().completeInitialisation(); ExceptionService.getInst().completeInitialisation(); } catch (Exception e) { _log.error("Gateway Initialisation Exception", e); } finally { Library.setServicetInitialised(); } } }